Earth's Busy Neighborhood

ACC's Small Object Report for 2-8 January 2006

A semi-automated report compiled on 8 January 2006 at 2359 UTC

There are 24 small objects reported in the last 168 hours, during which 8 were newly discovered.
Currently 942 NEAs are listed with H>22.0 by JPL and/or the Minor Planet Center (767 are listed as such by both).

[ Small Object News | Objects (by size) | Object Index (alpha/xref) | 48 Hours | viewing | Weekly ]

Editor's note: "Small" is defined by an asteroid having an absolute magnitude (brightness) calculated at greater than H=22.0, or very roughly 135 meters in diameter. Larger H means lower size and the astronomical community does not classify such objects as "potentially hazardous" no matter how close they may come to the Earth. However, as demonstrated by the mile wide (1.6 km.) Barringer Crater in Arizona, blasted out by a "small" asteroid some 50,000 years ago, some asteroids too small to be labeled potentially hazardous could still cause severe local damage. These are sometimes called "Tunguska-class objects" (TCOs), after the 1908 event that was probably caused by a comet remnant or asteroid too small to be classified today as hazardous but packing enough wallop to flatten a Siberian forest area the size of a large city.
NEODyS recently changed its main Risk page to qualify "Objects too small to result in heavy damage on the ground" as having "absolute magnitude > 25," which roughly corresponds to 35 meters wide. And JPL in October started flagging (with a blue background) risk-listed objects of "Estimated diameter 50 meters or less" as "not likely to cause significant damage in the event of an impact, although impact damage does depend heavily upon the specific (and usually unknown) physical properties of the object in question."
The discovery and follow-up tracking of asteroids with H>22.0 represents some of the most difficult and very best observing work being done today by amateur and professional astronomers around the world, and the page you are reading is dedicated to recognizing their current successes.

Small Object News (newest items first) [ object listings | index | 48 Hours | viewing | top ]

Jan. 8 #2: Discoveries have been announced today of four small objects: 2006 AP3, 2006 AS3, 2006 AT3, and 2006 AU3. Two of them were discovered by volunteers with the FMO Project reviewing images online from the Spacewatch 0.9m telescope in Arizona yesterday morning, both "Added Jan. 7.70 UT" to the MPC's NEO Confirmation Page (NEOCP). The first (temporary designation SW40V3) was found by P. Lau (no other details presently available) and has been designated 2006 AS3, and the next (SW40V5) was found by H.W. McGee (also no details) and now designated 2006 AT3. Confirmation came in parallel for both discoveries, from the Spacewatch 1.8m telescope yesterday and this morning, last night from Golden Hill Observatory in England, Modra Observatory in Slovakia, and Gnosca Observatory in Switzerland, and this morning from Table Mountain Observatory in southern California, Farpoint Observatory in Kansas, and the Mt. Lemmon Survey (MLS) in Arizona.
2006 AP3 was discovered by LINEAR on the morning of Jan. 6th and was confirmed yesterday morning by LINEAR, Schiaparelli Observatory in Italy, and Farpoint, and this morning from Table Mountain and MLS.
The Mt. Lemmon Survey discovered and pursued 2006 AU3 yesterday morning and confirmed it again this morning along with Table Mountain. From its brightness, this object is roughly estimated to be less than 20 meters in diameter, and JPL reports that it passed Earth at 5.6 lunar distances (LD) a little more than 26 hours before discovery. It is presently calculated to go out of view for most NEO observers in about a week.
The other three discoveries are larger (37-70m), are passing at greater distances (16.9-38.5 LD), and will be in view for the next two to three weeks (22-29 Jan.).
Jan. 8 #1: The Sunday DOU MPEC 2006-A31 reports continuing follow-up for five small objects: 2005 YR3, 2005 YU8, 2006 AC3, 2006 AN, and 2006 AX. Participating observing facilities, in the same order, were Suno Observatory in Italy, the Spacewatch 1.8m telescope in Arizona, Junk Bond Observatory in Arizona, and two from the Mt. Lemmon Survey in Arizona.
Jan. 7 #2: Two new small object discoveries were announced today. 2006 AB3 was discovered on 4 Jan. with the Japanese 8.2m Subaru Telescope on Mauna Kea in Hawaii, which was also used to confirm this discovery over the next two days. This work is coded to Scott Sheppard, who, however, takes second billing in the MPEC's observer details after David Jewitt. Confirmation also came from the Mt. Lemmon Survey (MLS) in Arizona this morning.
From JPL's absolute magnitude calculation, 2005 AB3's diameter is very roughly estimated at 13 meters, or about half again wider than the telescope that found it a little more than three hours before it passed Earth at 13.5 lunar distances.
2006 AC3 was discovered by Terry Bressi with the Spacewatch 0.9m telescope yesterday morning and confirmed yesterday and this morning by MLS as well as last night by Gnosca Observatory in Switzerland and this morning by the Spacewatch 1.8m telescope and by Kanab Observatory in Utah. It is presently calculated to be in view for most NEO observers until Feb. 3rd, but 2005 AB3 goes out of view on Jan. 12th.
Jan. 7 #1: Today's Daily Orbit Update MPEC 2006-A27, which includes data that would have been in yesterday's DOU, reports observations of eleven small objects: 2005 UR64, 2005 VH1, 2005 WC2, 2005 XC, 2005 XO4, 2005 YA37, 2005 YO3, 2005 YR3, 2005 YN128, 2005 YU55, and 2006 AN.
Observations coded to Tim Spahr with the Whipple Observatory 1.2m telescope in Arizona on Dec. 28th added 22.088 days to what had been a 33.002-day observing arc for 2005 VH1. The Spacewatch 1.8m telescope in Arizona yesterday morning added 15.841 days to the former 29.212-day arc for 2005 WC2, and on the morning of the 5th added 12.882 days to 2005 YO3's 4.838-day arc. Positions were also reported from Spahr/Whipple on Dec. 28th for 2005 YO3, which is now going out of view of most NEO observers. The Mt. Lemmon Survey in Arizona yesterday morning kept after its discovery, 2005 YN128, extending a 1.019-day arc by another 7.000 days, and the MLS also added 1.923 days to 2006 AN's 1.018-day discovery arc.
A couple of days were added to the observational arcs of each of two risk-listed objects, 2005 YR3 and 2005 YU55, both reported by UKAPP in Northern Ireland using the Faulkes North Telescope in Hawaii. 2005 YU55, which was also reported by David Tholen's team on Mauna Kea in Hawaii Jan. 4th and by the Spacewatch 1.8m yesterday and this morning, is now going out of view for most NEO observers.
Spahr/Whipple on 28 Dec. boosted 2005 XO4's 21.647-day observing arc by another 1.287 days just before this object went out of view (it comes back in mid-Jan.), and on the 28th or 29th also reported three other small objects within their current observational arcs: 2005 UR64, 2005 XC, and 2005 YA37.
Jan. 6: There won't be any general updating today of small object data. The MPC Status Page, time-stamped "2006 January 6: 08:30" EST, states that "Last night's DOU MPEC has been abandoned. Any files that get updated as a result of DOU issuance will not be updated. Normal schedule should be resumed tonight."
JPL has more than once today UTC (overnight local time) revised its 2005 YR3 risk assessment using data available since Jan. 4th.
Jan. 5 #2: The discovery of small object 2006 AX was announced today. It was discovered by the Mt. Lemmon Survey (MLS) in Arizona on the morning of Jan. 2nd, and was confirmed last night by Great Shefford Observatory in England and by MLS this morning.
Jan. 5 #1: The Daily Orbit Update MPEC 2006-A17 for the 5th of January reports observations of five small objects: 2005 YA37, 2005 YM128, 2005 YO128, 2005 YU55, and 2005 YY1.
2005 YU55 was discovered on the morning of Dec. 28th with the Spacewatch 0.9m telescope and was last reported observed the next morning, which is when the discovery was announced and JPL posted this object with 1,111 impact solutions. It is reported today that Tim Spahr using the Whipple Observatory 1.2m telescope on Mt. Hopkins in Arizona tracked 2005 YU55 on each of the two following mornings (Dec. 30th and 31st), and that the Spacewatch 1.8m telescope caught it yesterday morning and this morning, adding a total of 7.928 days to the 0.971-day discovery arc. Due to future encounters with Earth and Venus, according to current calculations, this object's orbit is a calculational challenge for impact risk monitoring software, and it is taking awhile today for the results to be posted. This object is now predicted to go out of view for most NEO observers after tomorrow.
The Spacewatch 1.8m telescope added 5.012 days to what had been a 4.847-day observing arc for 2005 YA37. Observations from Great Shefford Observatory in England last night and Jornada Observatory in New Mexico this morning added 5.998 days to 2005 YM128's 0.985-day arc, and Jornada tacked 7.766 days onto the 6.091-day arc for 2005 YY1. Great Shefford also kept tabs on 2005 YO128.
Jan. 4: The year's first small asterod discovery announcement was made today, for 2006 AN. It was discovered yesterday morning by LINEAR in New Mexico and will pass Earth at 18.5 lunar distances on Jan. 13th. The discovery was confirmed by JPL's Table Mountain Observatory in southern California, Farpoint Observatory in Kansas, and Sabino Canyon Observatory in Arizona.
Today's DOU MPEC 2006-A12 reports observation of five small objects: 2005 YD, 2005 YO128, 2005 YR3, 2005 YU8, and 2005 YU128.
Desert Moon Observory in New Mexico added 9.252 days to what had been a 4.043-day observing arc for 2005 YD. Gnosca Observatory in Switzerland added 3.524 days to the 0.9789-day arc for 2005 YU128. Risk-rated 2005 YR3 was reported from Suno Observatory in Italy last night and from Farpoint this morning, adding 3.759 days to its former 8.991-day arc. Also tracked were 2005 YO128 by Petit Jean Mountain South Observatory in Arkansas and 2005 YU8 by LINEAR.
Jan. 3: Today's DOU MPEC 2006-A08 reports observation of two small objects: 2005 YO128 and 2005 YU8. The Mt. Lemmon Survey in Arizona added 4.116 days to what had been an observing arc of 4.937 days for 2005 YU8, and Marxuquera Observatory in Spain added 1.519 days to the 2.138-day arc of 2005 YO128, which is passing Earth today inside of seven lunar distances.
JPL today removed 2005 YA37 as an impact risk based on observations reported from Farpoint Observatory in the DOUs of Dec. 30th and Jan. 1st.
By A/CC's count, the Minor Planet Center set a new record in 2005 for the number of Minor Planet Electronic Circulars, with 1,708 issued -- 49 more than the previous high of 1,659 for 2004 (see last year's news report about MPEC counts since 1993). A new feature beginning Dec. 31st in MPECs issued for individual near-Earth asteroids is stating the MPC's calculation of that object's Earth MOID (minimum orbit intersection distance).
Update: The MPC briefly suspended inclusion of MOIDs, as noted in a report time-stamped "2006 January 4: 20:08" EST, but began again on the Jan. 6th.
Jan. 2: DOU MPEC 2006-A05 today reports observation of one small object. The Mt. Lemmon Survey added 1.481 days to what had been a 0.657-day observing arc for its discovery, 2005 YO128, which passes Earth late tomorrow at 6.5 lunar distances.
See more news, from the week of 26 December-1 January and other weeks.


  Object Listings -- smallest objects first [ Alpha Index | 48 Hours | top ]


  2006 AB3 (K06A03B) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 13 meters per JPL H=27.13, MPC H=26.8
  JPL classifies 2006 AB3 as an Apollo and calculates an Earth MOID of 0.029669 AU (11.54 LD),
    and reports this object passed Earth at 13.5 lunar distances (LD) on 4 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A29:
    Mauna Kea [568{5}] coded to Scott Sheppard
      2006-01-04 1435-1548, 9 pos in MPEC 2006-A29, discovery
      2006-01-05 1213-1217, 3 pos in MPEC 2006-A29, confirmation
      2006-01-06 1215-1218, 5 pos in MPEC 2006-A29, confirmation
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-07 1024-1025, 3 pos in MPEC 2006-A29, confirmation


  2006 AU3 (K06A03U) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 18 meters per JPL H=26.33, MPC H=26.3
  JPL classifies 2006 AU3 as an Apollo and calculates an Earth MOID of 0.008237 AU (3.21 LD),
    and reports this object passed Earth at 5.6 LD on 6 Jan. 2006 at 0707 UT.
  Observations are reported from the following observatories in MPEC 2006-A39:
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-07 0937-0938, 3 pos in MPEC 2006-A39, discovery
      2006-01-07 1113-1114, 4 pos in MPEC 2006-A39, confirmation
      2006-01-07 1255-1326, 7 pos in MPEC 2006-A39, confirmation
      2006-01-08 0834-0834, 3 pos in MPEC 2006-A39, confirmation
      2006-01-08 1124-1144, 4 pos in MPEC 2006-A39, confirmation
      2006-01-08 1310-1310, 3 pos in MPEC 2006-A39, confirmation
    Table Mountain Obs. [673{5}] coded to Jim Young
      2006-01-08 0902-0946, 6 pos in MPEC 2006-A39, confirmation


  2005 YU128 (K05YC8U) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 31 meters per JPL H=25.16, MPC H=25.3
  JPL classifies 2005 YU128 as an Aten and calculates an Earth MOID of 0.022503 AU (8.76 LD),
    and reports this object passed Earth at 10.9 LD on 30 Dec.
  Observations are reported from the following observatories in MPEC 2006-A12:
    Gnosca Obs. [143]
      2006-01-03 2003-2016, 3 pos in MPEC 2006-A12, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 YO3 (K05Y03O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 32 meters per JPL H=25.10, MPC H=25.1
  JPL classifies 2005 YO3 as an Aten and calculates an Earth MOID of 0.016511 AU (6.42 LD),
    and reports this object passed Earth at 7.8 LD on 24 Dec. at 0418 UT.
  Lowell Observatory reports 2005 YO3 has an MOID of 0.03419 AU (13.3 LD) with Mercury.
  Observations are reported from the following observatories in MPEC 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-28 0533-0534, 2 pos in MPEC 2006-A27, follow-up
    Spacewatch 1.8m telescope [291]
      2006-01-05 0621-0638, 3 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2006 AS3 (K06A03S) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 37 meters per JPL H=24.79, MPC H=24.8
  JPL classifies 2006 AS3 as an Apollo and calculates an Earth MOID of 0.042986 AU (16.73 LD),
    and reports this object will pass Earth at 16.9 LD on 17 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A37:
    Spacewatch 0.9m telescope [691]
      2006-01-07 0434-0524, 3 pos in MPEC 2006-A37, discovery
    Spacewatch 1.8m telescope [291]
      2006-01-07 0702-0720, 3 pos in MPEC 2006-A37, confirmation
      2006-01-07 1008-1021, 3 pos in MPEC 2006-A37, confirmation
      2006-01-08 0855-0907, 3 pos in MPEC 2006-A37, confirmation
    Golden Hill Obs. [J77]
      2006-01-07 1959-2103, 2 pos in MPEC 2006-A37, confirmation
    Modra Obs. [118]
      2006-01-07 2005-2027, 4 pos in MPEC 2006-A37, confirmation
    Gnosca Obs. [143]
      2006-01-07 2035-2045, 2 pos in MPEC 2006-A37, confirmation
    Table Mountain Obs. [673{5}] coded to Jim Young
      2006-01-08 0535-0603, 4 pos in MPEC 2006-A37, confirmation
    Farpoint Obs. [734]
      2006-01-08 0807-0814, 3 pos in MPEC 2006-A37, confirmation
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-08 0846-0905, 4 pos in MPEC 2006-A37, confirmation


  2005 YO128 (K05YC8O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 40 meters per JPL H=24.62, MPC H=24.6
  JPL classifies 2005 YO128 as an Aten and calculates an Earth MOID of 0.014165 AU (5.51 LD),
    and reports this object passed Earth at 6.5 LD on 3 Jan. 2006 at 2251 UT.
  Observations are reported from the following observatories in MPECs 2006-A05, 2006-A08,
  2006-A12, and 2006-A17:
    Catalina Sky Survey (CSS) [703]
      2006-01-01 1026-1028, 4 pos in MPEC 2006-A05, follow-up
    Marxuquera Obs. [952]
      2006-01-02 2237-2255, 3 pos in MPEC 2006-A08, follow-up
    Petit Jean Mountain South Obs. [H45]
      2006-01-03 0840-0857, 8 pos in MPEC 2006-A12, follow-up
    Great Shefford Obs. [J95]
      2006-01-04 2025-2029, 3 pos in MPEC 2006-A17, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 YD (K05Y00D) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 41 meters per JPL H=24.57, MPC H=24.5
  JPL classifies 2005 YD as an Apollo and calculates an Earth MOID of 0.021861 AU (8.51 LD),
    and reports this object passed Earth at 14.9 LD on 14 Dec.
  Lowell Observatory reports 2005 YD has an MOID of 0.03004 AU (11.69 LD) with Mars.
  Observations are reported from the following observatories in MPEC 2006-A12:
    Desert Moon Obs. [448]
      2006-01-03 0908-1019, 3 pos in MPEC 2006-A12, follow-up
  See also information from the week ending 25 Dec. 2005.


  2006 AN (K06A00N) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 42 meters per JPL H=24.53, MPC H=24.7
  JPL classifies 2006 AN as an Apollo and calculates an Earth MOID of 0.004683 AU (1.82 LD),
    and reports this object will pass Earth at 18.6 LD on 12 Jan. 2006
  Observations are reported from the following observatories in MPECs 2006-A15, 2006-A27,
  and 2006-A31:
    LINEAR [704]
      2006-01-03 0627-0724, 4 pos in MPEC 2006-A15, discovery
    Table Mountain Obs. [673{5}] coded to Jim Young
      2006-01-04 0349-0409, 4 pos in MPEC 2006-A15, confirmation
    Farpoint Obs. [734]
      2006-01-04 0412-0452, 5 pos in MPEC 2006-A15, confirmation
    Sabino Canyon Obs. [854]
      2006-01-04 0643-0653, 3 pos in MPEC 2006-A15, confirmation
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-06 0445-0503, 3 pos in MPEC 2006-A27, follow-up
      2006-01-07 0529-0531, 3 pos in MPEC 2006-A31, follow-up


  2006 AT3 (K06A03T) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 45 meters per JPL H=24.40, MPC H=24.4
  JPL classifies 2006 AT3 as an Amor and calculates an Earth MOID of 0.085093 AU (33.11 LD),
    and reports this object passes Earth at 33.1 LD on 8 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A38:
    Spacewatch 0.9m telescope [691]
      2006-01-07 0448-0538, 3 pos in MPEC 2006-A38, discovery
    Spacewatch 1.8m telescope [291]
      2006-01-07 0806-0819, 3 pos in MPEC 2006-A38, confirmation
      2006-01-07 0948-1001, 3 pos in MPEC 2006-A38, confirmation
      2006-01-08 0715-0727, 3 pos in MPEC 2006-A38, confirmation
    Golden Hill Obs. [J77]
      2006-01-07 2030-2141, 2 pos in MPEC 2006-A38, confirmation
    Modra Obs. [118]
      2006-01-07 2059-2111, 3 pos in MPEC 2006-A38, confirmation
    Gnosca Obs. [143]
      2006-01-07 2059-2107, 2 pos in MPEC 2006-A38, confirmation
    Table Mountain Obs. [673{5}] coded to Jim Young
      2006-01-08 0609-0636, 4 pos in MPEC 2006-A38, confirmation
    Farpoint Obs. [734]
      2006-01-08 0820-0826, 3 pos in MPEC 2006-A38, confirmation
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-08 0845-0904, 4 pos in MPEC 2006-A38, confirmation


  2006 AC3 (K06A03C) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 48 meters per JPL H=24.25, MPC H=24.1
  JPL classifies 2006 AC3 as an Apollo and calculates an Earth MOID of 0.033058 AU (12.86 LD),
    and reports this object passed Earth at 17.5 LD on 22 Dec.
  Observations are reported from the following observatories in MPECs 2006-A30 and 2006-A31:
    Spacewatch 0.9m telescope [691]
      2006-01-06 0553-0644, 3 pos in MPEC 2006-A30, discovery
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-06 0651-0826, 8 pos in MPEC 2006-A30, confirmation
      2006-01-06 1043-1045, 4 pos in MPEC 2006-A30, confirmation
      2006-01-07 0704-0742, 4 pos in MPEC 2006-A30, confirmation
    Gnosca Obs. [143]
      2006-01-06 2029-2043, 2 pos in MPEC 2006-A30, confirmation
    Spacewatch 1.8m telescope [291]
      2006-01-07 0411-0426, 3 pos in MPEC 2006-A30, confirmation
    Junk Bond Obs. [701]
      2006-01-07 0546-0616, 3 pos in MPEC 2006-A31, follow-up
    Kanab Obs. [682]
      2006-01-07 0626-0657, 2 pos in MPEC 2006-A30, confirmation


  2005 YN128 (K05YC8N) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 50 meters per JPL H=24.15, MPC H=24.1
  JPL classifies 2005 YN128 as an Apollo and calculates an Earth MOID of 0.018998 AU (7.39 LD),
    and reports this object passed Earth at 21.5 LD on 19 Dec.
  Observations are reported from the following observatories in MPEC 2006-A27:
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-06 0515-0550, 4 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2006 AX (K06A00X) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 55 meters per JPL H=23.96, MPC H=24.0
  JPL classifies 2006 AX as an Amor and calculates an Earth MOID of 0.162821 AU (63.35 LD).
  Observations are reported from the following observatories in MPECs 2006-A20 and 2006-A31:
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-02 0754-0824, 4 pos in MPEC 2006-A20, discovery
      2006-01-05 0654-0714, 3 pos in MPEC 2006-A20, confirmation
      2006-01-07 0705-0743, 4 pos in MPEC 2006-A31, follow-up
    Great Shefford Obs. [J95]
      2006-01-04 2222-2232, 2 pos in MPEC 2006-A20, confirmation


  2005 YM128 (K05YC8M) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 57 meters per JPL H=23.88, MPC H=23.9
  JPL classifies 2005 YM128 as an Apollo and calculates an Earth MOID of 0.029704 AU (11.56 LD),
    and reports this object passed Earth at 19.8 LD on 1 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A17:
    Great Shefford Obs. [J95]
      2006-01-04 2036-2051, 3 pos in MPEC 2006-A17, follow-up
    Jornada Obs. [715]
      2006-01-05 0118-0136, 3 pos in MPEC 2006-A17, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 YU8 (K05Y08U) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 62 meters per JPL H=23.67, MPC H=23.7
  JPL classifies 2005 YU8 as an Apollo and calculates an Earth MOID of 0.024936 AU (9.70 LD),
    and reports this object will pass Earth at 19.3 LD on 13 Jan. 2006
  Lowell Observatory reports 2005 YU8 has an MOID of 0.02954 AU (11.49 LD) with Mars.
  Observations are reported from the following observatories in MPECs 2006-A08, 2006-A12,
  and 2006-A31:
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-02 0752-0822, 4 pos in MPEC 2006-A08, follow-up
    LINEAR [704]
      2006-01-03 0828-0925, 4 pos in MPEC 2006-A12, follow-up
    Spacewatch 1.8m telescope [291]
      2006-01-07 0609-0621, 3 pos in MPEC 2006-A31, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 UR64 (K05U64R) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 63 meters per JPL H=23.64, MPC H=23.6
  JPL classifies 2005 UR64 as an Amor and calculates an Earth MOID of 0.090636 AU (35.27 LD),
    and reports this object passed Earth at 37.8 LD on 2 Dec.
  Lowell Observatory reports 2005 UR64 has an MOID of 0.02925 AU (11.38 LD) with Mars.
  Observations are reported from the following observatories in MPEC 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-28 0540-0542, 2 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2006 AP3 (K06A03P) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 70 meters per JPL H=23.43, MPC H=23.7
  JPL classifies 2006 AP3 as an Amor and calculates an Earth MOID of 0.097431 AU (37.91 LD),
    and reports this object passed Earth at 38.5 LD on 6 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A34:
    LINEAR [704]
      2006-01-06 0810-0925, 5 pos in MPEC 2006-A34, discovery
      2006-01-07 0813-0909, 7 pos in MPEC 2006-A34, confirmation
    Schiaparelli Obs. [204]
      2006-01-07 0123-0140, 4 pos in MPEC 2006-A34, confirmation
    Farpoint Obs. [734]
      2006-01-07 1145-1204, 3 pos in MPEC 2006-A34, confirmation
    Table Mountain Obs. [673{5}] coded to Jim Young
      2006-01-08 0728-0755, 4 pos in MPEC 2006-A34, confirmation
    Mt. Lemmon Survey (MLS) [G96]
      2006-01-08 0843-0902, 3 pos in MPEC 2006-A34, confirmation


  2005 YR3 (K05Y03R) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 70 meters per JPL H=23.42, MPC H=23.6
  This object has been listed as an impact risk since 24 Dec. 2005.
  JPL classifies 2005 YR3 as an Aten and calculates an Earth MOID of 0.010610 AU (4.13 LD),
    and reports this object passed Earth at 18.9 LD on 23 Dec.
  Lowell Observatory reports 2005 YR3 has an MOID of 0.00039 AU (0.15 LD) with Venus.
  Observations are reported from the following observatories in MPECs 2006-A12, 2006-A27,
  and 2006-A31:
    Suno Obs. [147]
      2005-12-29 2308-2315, 3 pos in MPEC 2006-A12, follow-up
      2006-01-03 2206-2210, 2 pos in MPEC 2006-A12, follow-up
      2006-01-06 2350-2354, 3 pos in MPEC 2006-A31, follow-up
    Farpoint Obs. [734]
      2006-01-04 0354-0358, 2 pos in MPEC 2006-A12, follow-up
    Faulkes Telescope North [F65{1}] coded to UKAPP
      2006-01-06 1129-1135, 3 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 YY1 (K05Y01Y) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 77 meters per JPL H=23.23, MPC H=23.2
  JPL classifies 2005 YY1 as an Apollo and calculates an Earth MOID of 0.032267 AU (12.56 LD),
    and reports this object passed Earth at 12.7 LD on 5 Dec.
  Observations are reported from the following observatories in MPEC 2006-A17:
    Jornada Obs. [715]
      2006-01-05 0235-0303, 3 pos in MPEC 2006-A17, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 VH1 (K05V01H) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 83 meters per JPL H=23.05, MPC H=23.0
  JPL classifies 2005 VH1 as an Amor and calculates an Earth MOID of 0.135380 AU (52.68 LD).
  Lowell Observatory reports 2005 VH1 has an MOID of 0.6486 AU (252.4 LD) with Jupiter.
  Observations are reported from the following observatories in MPEC 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-28 0638-0642, 2 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 11 Dec. 2005.


  2005 XC (K05X00C) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 94 meters per JPL H=22.79, MPC H=22.7
  JPL classifies 2005 XC as an Apollo and calculates an Earth MOID of 0.007944 AU (3.09 LD),
    and reports this object passed Earth at 16.9 LD on 23 Nov.
  Observations are reported from the following observatories in MPEC 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-28 0633-0644, 2 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 WC2 (K05W02C) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 111 meters per JPL H=22.42, MPC H=22.4
  JPL classifies 2005 WC2 as an Amor and calculates an Earth MOID of 0.247757 AU (96.40 LD).
  Observations are reported from the following observatories in MPEC 2006-A27:
    Spacewatch 1.8m telescope [291]
      2006-01-06 0321-0333, 3 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 25 Dec. 2005.


  2005 YA37 (K05Y37A) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 116 meters per JPL H=22.32, MPC H=22.3
  This object was listed from 28 Dec. 2005 until 3 Jan. 2006 as an impact risk.
  JPL classifies 2005 YA37 as an Apollo and calculates an Earth MOID of 0.035638 AU (13.87 LD).
  Lowell Observatory reports 2005 YA37 has an MOID of 0.01359 AU (5.29 LD) with Mars.
  Observations are reported from the following observatories in MPECs 2006-A17 and 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-29 0607-0612, 2 pos in MPEC 2006-A27, follow-up
    Spacewatch 1.8m telescope [291]
      2006-01-05 0319-0330, 6 pos in MPEC 2006-A17, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 XO4 (K05X04O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 126 meters per JPL H=22.14, MPC H=22.2
  JPL classifies 2005 XO4 as an Apollo and calculates an Earth MOID of 0.021856 AU (8.50 LD),
    and reports this object passed Earth at 18.6 LD on 1 Jan. 2006
  Observations are reported from the following observatories in MPEC 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-28 0205-0215, 2 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.


  2005 YU55 (K05Y55U) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]

  Size estimate: 133 meters per JPL H=22.03
  This object has been listed as an impact risk since 29 Dec. 2005.
  JPL classifies 2005 YU55 as an Apollo and calculates an Earth MOID of 0.001027 AU (0.40 LD).
  Lowell Observatory reports 2005 YU55 has significant MOIDs with planets Venus (0.00098 AU =
    0.38 LD) and Mars (0.04182 AU = 16.27 LD).
  Observations are reported from the following observatories in MPECs 2006-A17 and 2006-A27:
    Whipple Obs. [696{7}] coded to Tim Spahr
      2005-12-30 0612-0627, 2 pos in MPEC 2006-A17, follow-up
      2005-12-31 0735-0750, 2 pos in MPEC 2006-A17, follow-up
    Spacewatch 1.8m telescope [291]
      2006-01-04 0539-0553, 2 pos in MPEC 2006-A17, follow-up
      2006-01-05 0405-0417, 3 pos in MPEC 2006-A17, follow-up
      2006-01-06 0435-0447, 3 pos in MPEC 2006-A27, follow-up
      2006-01-07 0251-0303, 3 pos in MPEC 2006-A27, follow-up
    Mauna Kea [568{2}] coded to David Tholen et al.
      2006-01-04 0611-0619, 3 pos in MPEC 2006-A27, follow-up
    Faulkes Telescope North [F65{1}] coded to UKAPP
      2006-01-05 1344-1349, 3 pos in MPEC 2006-A27, follow-up
  See also information from the week ending 1 Jan. 2006.



  48 Hours [ Objects Listings (size order) | Object Index (alpha/xref) | top ]
  Observations of 19 small objects were reported during the last 48 hours:
    2005 UR64, 2005 VH1, 2005 WC2, 2005 XC, 2005 XO4, 2005 YA37, 2005 YN128, 2005 YO3,
    2005 YR3, 2005 YU8, 2005 YU55, 2006 AB3, 2006 AC3, 2006 AN, 2006 AP3, 2006 AS3,
    2006 AT3, 2006 AU3 & 2006 AX
  in MPECs:
    2006-A27 time-stamped 2006 Jan. 7, 07:21 UT - Daily Orbit Update
    2006-A29 time-stamped 2006 Jan. 7, 18:38 UT - 2006 AB3
    2006-A30 time-stamped 2006 Jan. 7, 18:40 UT - 2006 AC3
    2006-A31 time-stamped 2006 Jan. 8, 07:19 UT - Daily Orbit Update
    2006-A34 time-stamped 2006 Jan. 8, 16:56 UT - 2006 AP3
    2006-A37 time-stamped 2006 Jan. 8, 17:10 UT - 2006 AS3
    2006-A38 time-stamped 2006 Jan. 8, 17:12 UT - 2006 AT3
    2006-A39 time-stamped 2006 Jan. 8, 17:13 UT - 2006 AU3
  Date & times for other sources that were parsed to compile this page:
    JPL Close Approaches, downloaded at 2006 Jan. 8, 2058 UTC
    JPL NEO Orbital Elements, downloaded at 2006 Jan. 8, 2101 UTC
    Lowell Observatory Orbit intersections, time-stamped 2006 Jan 07 19:15:28 UTC
    MPC NEA.DAT from MPC mirror, downloaded at 2006 Jan. 8, 1614 UTC
    Risk monitoring sites, as of A/CC's check at 2006 Jan. 8, 2359 UTC (see CRT page)



  Viewing Opportunities for Small Objects [ news | size order | alpha order | top ]
  Some objects still in view may be missing from this compilation, which shows 35 small
    objects as being currently in view, including 12 not reported in the last seven days.
  Viewing by date order - see this list also by designation order
  Object     View until MOID AU  Dia H     Arc   Notes       (calc date)
  ---------- ---------- -------- --- ----- --- - -----------------------
  2005 YO3   2006-01-09 0.016511  32 25.10  13 - (7 Jan.)
  2005 WP57  2006-01-11 0.110490  74 23.30  24 - recent info - (25 Dec.)
  2001 WW1   2006-01-11 0.108251 142 21.89 2op - MPC H=22.1 - (28 Dec.)
  2005 YO128 2006-01-12 0.014165  40 24.62   6 - (5 Jan.)
  2006 AB3   2006-01-12 0.029669  13 27.13   3 - (7 Jan.)
  2003 WP25  2006-01-13 0.023076  45 24.38 3op - (28 Dec.)
  2005 YD    2006-01-15 0.021861  41 24.57  13 - (4 Jan.)
  2006 AU3   2006-01-16 0.008237  18 26.33   1 - (8 Jan.)
  2005 YU128 2006-01-17 0.022503  31 25.16   5 - (4 Jan.)
  2005 ST4   2006-01-18 0.075147 114 22.36  89 - recent info - (24 Dec.)
  2005 VS    2006-01-19 0.016823 122 22.21  48 - recent info - (22 Dec.)
  2005 XL4   2006-01-19 0.213508  94 22.79  24 - recent info - (29 Dec.)
  2005 YN128 2006-01-19 0.018998  50 24.15   7 - (7 Jan.)
  2005 YY1   2006-01-20 0.032267  77 23.23  14 - (5 Jan.)
  2005 XX77  2006-01-21 0.031635  58 23.85  20 - recent info - (31 Dec.)
  2006 AN    2006-01-22 0.004683  42 24.53   4 - (8 Jan.)
  2006 AP3   2006-01-22 0.097431  70 23.43   2 - (8 Jan.)
  2005 XC    2006-01-23 0.007944  94 22.79  30 - (7 Jan.)
  2005 YU8   2006-01-24 0.024936  62 23.67  14 - (8 Jan.)
  2006 AS3   2006-01-25 0.042986  37 24.79   1 - (8 Jan.)
  2003 YT70  2006-01-26 0.053689  26 25.55  22 - bright recov. poss. - (15 Dec.)
  2005 WC2   2006-01-26 0.247757 111 22.42  45 - (7 Jan.)
  2005 WK56  2006-01-27 0.030957 105 22.54  26 - recent info - (26 Dec.)
  2002 JD9   2006-01-29 0.053416 111 22.42   9 - bright recov. poss. - (15 Dec.)
  2006 AT3   2006-01-29 0.085093  45 24.40   1 - (8 Jan.)
  2005 VH1   2006-01-30 0.135380  83 23.05  55 - (7 Jan.)
  2006 AC3   2006-02-02 0.033058  48 24.25   1 - (8 Jan.)
  2006 AX    2006-02-02 0.162821  55 23.96   5 - (8 Jan.)
  2005 UR64  2006-02-03 0.090636  63 23.64  59 - (7 Jan.)
  2005 YR3   2006-02-08 0.010610  70 23.42  16 - risk listed - (8 Jan.)
  2005 YM128 2006-02-11 0.029704  57 23.88   6 - (5 Jan.)
  2005 RA3   2006-02-20 0.048596 135 22.00 106 - recent info - (18 Dec.)
  2002 LW    2006-02-22 0.034393 110 22.45 2op - recent info - (28 Dec.)
  2005 CN    2006-02-23 0.029210  87 22.96 2op - "only 1 night at latest" - info - (26 Dec.)
  2005 YA37  2006-07-12 0.035638 116 22.32  10 - was risk listed - (7 Jan.)
  Coming into view soon:
  2002 GN5   2006-02-06 0.139338 128 22.12 2op - >10 Jan., very faint recov. poss. - (28 Dec.)
  2005 XO4   2006-04-20 0.021856 126 22.14  23 - >17 Jan. - (7 Jan.)

  Viewing by designation order - see also Viewing by date order
  Object     View until MOID AU  Dia H     Arc   Notes       (calc date)
  ---------- ---------- -------- --- ----- --- - -----------------------
  2006 AU3   2006-01-16 0.008237  18 26.33   1 - (8 Jan.)
  2006 AT3   2006-01-29 0.085093  45 24.40   1 - (8 Jan.)
  2006 AS3   2006-01-25 0.042986  37 24.79   1 - (8 Jan.)
  2006 AP3   2006-01-22 0.097431  70 23.43   2 - (8 Jan.)
  2006 AC3   2006-02-02 0.033058  48 24.25   1 - (8 Jan.)
  2006 AB3   2006-01-12 0.029669  13 27.13   3 - (7 Jan.)
  2006 AX    2006-02-02 0.162821  55 23.96   5 - (8 Jan.)
  2006 AN    2006-01-22 0.004683  42 24.53   4 - (8 Jan.)
  2005 YU128 2006-01-17 0.022503  31 25.16   5 - (4 Jan.)
  2005 YO128 2006-01-12 0.014165  40 24.62   6 - (5 Jan.)
  2005 YN128 2006-01-19 0.018998  50 24.15   7 - (7 Jan.)
  2005 YM128 2006-02-11 0.029704  57 23.88   6 - (5 Jan.)
  2005 YA37  2006-07-12 0.035638 116 22.32  10 - was risk listed - (7 Jan.)
  2005 YU8   2006-01-24 0.024936  62 23.67  14 - (8 Jan.)
  2005 YR3   2006-02-08 0.010610  70 23.42  16 - risk listed - (8 Jan.)
  2005 YO3   2006-01-09 0.016511  32 25.10  13 - (7 Jan.)
  2005 YY1   2006-01-20 0.032267  77 23.23  14 - (5 Jan.)
  2005 YD    2006-01-15 0.021861  41 24.57  13 - (4 Jan.)
  2005 XX77  2006-01-21 0.031635  58 23.85  20 - recent info - (31 Dec.)
  2005 XO4   2006-04-20 0.021856 126 22.14  23 - >17 Jan. - (7 Jan.)
  2005 XL4   2006-01-19 0.213508  94 22.79  24 - recent info - (29 Dec.)
  2005 XC    2006-01-23 0.007944  94 22.79  30 - (7 Jan.)
  2005 WP57  2006-01-11 0.110490  74 23.30  24 - recent info - (25 Dec.)
  2005 WK56  2006-01-27 0.030957 105 22.54  26 - recent info - (26 Dec.)
  2005 WC2   2006-01-26 0.247757 111 22.42  45 - (7 Jan.)
  2005 VH1   2006-01-30 0.135380  83 23.05  55 - (7 Jan.)
  2005 VS    2006-01-19 0.016823 122 22.21  48 - recent info - (22 Dec.)
  2005 UR64  2006-02-03 0.090636  63 23.64  59 - (7 Jan.)
  2005 ST4   2006-01-18 0.075147 114 22.36  89 - recent info - (24 Dec.)
  2005 RA3   2006-02-20 0.048596 135 22.00 106 - recent info - (18 Dec.)
  2005 CN    2006-02-23 0.029210  87 22.96 2op - "only 1 night at latest" - info - (26 Dec.)
  2003 YT70  2006-01-26 0.053689  26 25.55  22 - bright recov. poss. - (15 Dec.)
  2003 WP25  2006-01-13 0.023076  45 24.38 3op - (28 Dec.)
  2002 LW    2006-02-22 0.034393 110 22.45 2op - recent info - (28 Dec.)
  2002 JD9   2006-01-29 0.053416 111 22.42   9 - bright recov. poss. - (15 Dec.)
  2002 GN5   2006-02-06 0.139338 128 22.12 2op - >10 Jan., very faint recov. poss. - (28 Dec.)
  2001 WW1   2006-01-11 0.108251 142 21.89 2op - MPC H=22.1 - (28 Dec.)

  Out-of-view date based on MPES solar elongation <40° and/or magnitude V>22.0 at 1200 UT.
    (Not factored in is any lunar interference with viewing.)
  Objects are linked in the left-most column only if observed in the last seven days,
    while objects with earlier small-object reporting are linked under "Notes."
  Diameter ("Dia") is in meters, a very rough estimate from brightness (H).
  Observing "Arc" is from MPES in days or number of oppositions.



  Small object observation cross index [ size order | 48 Hours | viewing | top ]

Object	Observed by MPC code
2005 UR64	696
2005 VH1	696
2005 WC2	291
2005 XC	696
2005 XO4	696
2005 YA37	291, 696
2005 YD	448
2005 YM128	715, J95
2005 YN128	G96
2005 YO3	291, 696
2005 YO128	703, 952, H45, J95
2005 YR3	147, 734, F65
2005 YU8	291, 704, G96
2005 YU55	291, 568, 696, F65
2005 YU128	143
2005 YY1	715
2006 AB3	568, G96
2006 AC3	143, 291, 682, 691, 701, G96
2006 AN	673, 704, 734, 854, G96
2006 AP3	204, 673, 704, 734, G96
2006 AS3	118, 143, 291, 673, 691, 734, G96, J77
2006 AT3	118, 143, 291, 673, 691, 734, G96, J77
2006 AU3	673, G96
2006 AX	G96, J95

Code	Observatory	Objects Observed
118	Modra Obs.	2006 AS3, 2006 AT3
143	Gnosca Obs.	2005 YU128, 2006 AC3, 2006 AS3, 2006 AT3
147	Suno Obs.	2005 YR3
204	Schiaparelli Obs.	2006 AP3
291	Spacewatch 1.8m telescope	2005 WC2, 2005 YA37, 2005 YO3, 2005 YU8, 2005 YU55, 2006 AC3, 2006 AS3, 2006 AT3
448	Desert Moon Obs.	2005 YD
5682	Mauna Kea - David Tholen et al.	2005 YU55
5685	Mauna Kea - Scott Sheppard	2006 AB3
6735	Table Mountain Obs. - Jim Young	2006 AN, 2006 AP3, 2006 AS3, 2006 AT3, 2006 AU3
682	Kanab Obs.	2006 AC3
691	Spacewatch 0.9m telescope	2006 AC3, 2006 AS3, 2006 AT3
6967	Whipple Obs. - Tim Spahr	2005 UR64, 2005 VH1, 2005 XC, 2005 XO4, 2005 YA37, 2005 YO3, 2005 YU55
701	Junk Bond Obs.	2006 AC3
703	Catalina Sky Survey (CSS)	2005 YO128
704	LINEAR	2005 YU8, 2006 AN, 2006 AP3
715	Jornada Obs.	2005 YM128, 2005 YY1
734	Farpoint Obs.	2005 YR3, 2006 AN, 2006 AP3, 2006 AS3, 2006 AT3
854	Sabino Canyon Obs.	2006 AN
952	Marxuquera Obs.	2005 YO128
F651	Faulkes Telescope North - UKAPP	2005 YR3, 2005 YU55
G96	Mt. Lemmon Survey (MLS)	2005 YN128, 2005 YU8, 2006 AB3, 2006 AC3, 2006 AN, 2006 AP3, 2006 AS3, 2006 AT3, 2006 AU3, 2006 AX
H45	Petit Jean Mountain South Obs.	2005 YO128
J77	Golden Hill Obs.	2006 AS3, 2006 AT3
J95	Great Shefford Obs.	2005 YM128, 2005 YO128, 2006 AX

[ object listings | index | 48 Hours | viewing | top ]

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