Earth's Busy Neighborhood
ACC's Small Object Report for 19-25 March 2007
A semi-automated report compiled on 25 March 2007 at 2359 UTC
Nineteen small asteroids were reported in the last 168 hours, during which nine were newly discovered.
Currently 1,290 NEAs are listed with H>22.0 by JPL and/or the MPC (1,108 are listed as such by both).
[ news | objects by size | object index alpha/cross-ref | 48 Hours | viewing | weekly ]
Editor's note: As asteroids go, "small" is defined as having an
absolute magnitude (brightness) calculated at greater than H=22.0, which
converts very roughly to a diameter under 135 meters.
No matter how close they come to the Earth, the astronomical community
does not classify such objects as "potentially hazardous." 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, there are asteroids too small
to be labeled "potentially hazardous" that actually could cause severe local
damage. These are sometimes called "Tunguska-class objects" (TCOs), after the
1908 event probably caused by a comet fragment 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 in December 2005 changed its main Risk page to classify "Objects too
small to result in heavy damage on the ground" as having "absolute
magnitude > 25," which corresponds to perhaps 35 meters wide.
And JPL two months earlier 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."
Small asteroids that come close enough to Earth to be seen have significant
potential for scientific study today, and for exploration and
exploitation in the future. They present a sampling of distant asteroid
populations and a few may be remnants of the event that created the
Earth-Moon system.
Some of these objects are discovered while close to Earth moving across the sky
quite quickly, when they are called "FMOs" or "VFMOs" (very fast moving objects).
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 ongoing successes.
Small Object News (newest items first) [ object listings |
index |
48 Hours |
viewing |
weekly |
top ]
- March 25: On Sunday there is no news of small asteroids to report.
- March 24: Saturday Daily Orbit Update (DOU) MPEC 2007-F71 reports observations of five small asteroids. Verona Observatory in Italy tracked 2007 FG1 last night, adding about two days to what had been that object's five-day observing arc, and also reported from within their observing arcs 2007 EG from March 12th and risk-listed 2007 EV from March 13th. 2007 EG went out of view for most NEO observers today, as did 2007 EV about a week ago. From the Southern Africa Large Telescope (SALT) in South Africa comes the first minor object observations noted in A/CC news reporting. It observed 2007 EC on March 10th and 11th and 2007 EO on March 12th and 16th. The main URL for that facility, www.salt.ac.za, appears to be unavailable today, but it has a mirror site here, and see more info here at Armagh Observatory.
- March 23: On Friday there is no news of small asteroids to report.
- March 22: Thursday's DOU MPEC 2007-F61 reports observations of six small asteroids. Great Shefford Observatory in England provided the first follow-up for risk-listed 2007 EJ88, adding about six days to its two-day observing arc, and today this object was delisted as an impact risk. Great Shefford and Mt. John Observatory in New Zealand provided the first follow-up for newly discovered and risk-listed 2007 FQ3, and it, too, has now been delisted. Mt. John extended the one-day discovery arc of 2007 FO3 by nine-plus hours, and Remanzacco Observatory in Italy and Great Shefford added ten-plus hours to 2007 FC3's three-day arc. Great Shefford also added about three days to 2007 FG1's two-day arc and reported 2007 FN3 from within its discovery arc.
- March 21 #2: Discoveries of six small asteroids by the Mt. Lemmon Survey (MLS) in Arizona yesterday morning UT have been announced --
2007 FN3, 2007 FO3, 2007 FP3, 2007 FQ3, 2007 FR3, and 2007 FS3. MLS alone confirmed four of those but got help with 2007 FO3 from Mt. John and Great Shefford observatories in New Zealand and England and with 2007 FS3 from Great Shefford and the Catalina Sky Survey in Arizona.
JPL reports that 2007 FS3 and 2007 FP3 passed Earth on March 15th at 2.3 and 3.4 lunar distances (LD) respectively, and 2007 FR3 will pass at 3.3 LD four days from now.
2007 FP3 is calculated to go out of view in a couple days for most NEO observers and for larger telescopes a week-plus later, and 2007 FR3 will disappear for all by the end of the month.
As small asteroids go, 2007 FN3 is distant, coming no closer to Earth that 57.7 lunar distances, and, at inclination = 48.88° it is also highly inclined relative to Earth's orbit. Among near-Earth asteroids classified by the Minor Planet Center as small, only ten now have inclinations greater than 35°, and only two are more inclined than 2007 FN3 -- 2004 MO1 at 57.86° and 2003 UL9 at 63.34°. And right behind 2007 FN3 from earlier this year is 2007 BJ at 44.04°
Updates: 2007 FP3 and now 2007 FQ3 have been listed as impact risks.
- March 21 #1: On Wednesday the rare recovery of a small asteroid is reported. 2002 EW8 was rediscovered yesterday morning by the Mt. Lemmon Survey, which observed it in two runs. It was "Added Mar. 20.45 UT" to the MPC's NEO Confirmation Page and Great Shefford Observatory picked it up last night. And the MLS confirmed it again this morning. 2002 EW8 was first discovered by LINEAR from New Mexico on 13 March 2002 and was last reported observed about 38 days later, on April 20th by Loiano Observatory in Italy. This object had been listed as a faint recovery possibility since March 9th and will be in view through mid-April.
Today's DOU MPEC 2007-F46 carries observations of two small asteroids. The newest small-asteroid discovery, 2007 FC3, is reported from within its discovery arc by Antares Observatory in Illinois and over a ten-hour period beyond that arc by Mt. John and Great Shefford observatories. And Desert Moon Observatory in New Mexico added about three days to what had been 2007 EN26's five-day observing arc.
- March 20: On Tuesday the discovery of one small asteroid has been announced. JPL reports that 2007 FC3 is passing Earth today at 3.4 lunar distances, which comes after the Catalina Sky Survey (CSS) in Arizona first spotted it two mornings ago. Great Shefford Observatory in England caught it that evening and CSS the next morning, while further confirmation came this morning from CSS plus Grasslands, Table Mountain, and Mt. John observatories in Arizona, southern California, and New Zealand.
Today's DOU MPEC 2007-F42 reports observations of three small asteroids. The Mt. Lemmon Survey in Arizona provided the first follow up to its own discovery, 2007 EG88, adding about three days to its two-day arc. San Marcello Pistoiese Observatory in Italy reported risk-listed and now disappeared 2007 EO88 from March 16th. And Mt. John extended 2007 FG1's discovery arc by more than six hours.
- March 19: Discoveries of two small asteroids have been announced on Monday. 2007 FG1 was discovered by LINEAR in Massachusetts from its New Mexico facility two mornings ago. The discovery was confirmed by LINEAR yesterday morning and by Jim Young at Table Mountain Observatory in southern California early today UT. JPL reports that this object will pass Earth at 9.7 lunar distances (LD) on the morning after next. 2007 FJ1 was discovered by the Catalina Sky Survey (CSS) in Arizona two mornings ago and was confirmed yesterday morning by Antares Observatory in Illinois and by the CSS, and this morning UT by Jim Young at Table Mountain.
Today's DOU MPEC 2007-F33 reports observations of two small asteroids. Great Shefford Observatory in England followed risk-listed 2007 EO88 for half an hour, obtaining eleven astrometric positions. The last position came fourteen minutes before this object passed Earth at 1.3 LD last night. And Spacewatch used its 1.8-meter telescope to keep an eye on one of its own discoveries, relatively distant 2007 DX60.
- See news from the week of 12 to 18 March and from previous weeks. You also can look up reports on individual small asteroids.
Object Listings -- smallest objects first [ Alpha Index | 48 Hours | top ]
2007 FP3 (K07F03P) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 7 meters per JPL H=28.42, MPC H=28.4
This object has been listed as an impact risk since 21 March 2007.
JPL classifies 2007 FP3 as an Apollo and calculates an Earth MOID of 0.000107 AU (0.04 LD),
and reports this object passed Earth at 3.4 lunar distances (LD) on 15 March 2007 at about 2236 UT.
Lowell Observatory reports 2007 FP3 has an MOID of 0.00033 AU (0.13 LD) with Mars.
Observations are reported from the following observatories in MPEC 2007-F56:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0646-0717, 4 pos. in MPEC 2007-F56, discovery (*)
2007-03-20 1115-1117, 3 pos. in MPEC 2007-F56, confirmation
2007-03-21 0515-0519, 4 pos. in MPEC 2007-F56, confirmation
2007 FR3 (K07F03R) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 11 meters per JPL H=27.51, MPC H=27.5
JPL classifies 2007 FR3 as an Apollo and calculates an Earth MOID of 0.001724 AU (0.67 LD),
and reports this object passes Earth at 3.3 LD on 25 March 2007 at about 2107 UT.
Observations are reported from the following observatories in MPEC 2007-F58:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0654-0715, 3 pos. in MPEC 2007-F58, discovery (*)
2007-03-20 1137-1139, 4 pos. in MPEC 2007-F58, confirmation
2007-03-21 0626-0628, 3 pos. in MPEC 2007-F58, confirmation
2007 EG88 (K07E88G) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 14 meters per JPL H=26.96, MPC H=26.9
JPL classifies 2007 EG88 as an Apollo and calculates an Earth MOID of 0.012213 AU (4.75 LD),
and reports this object will pass Earth at 7.5 LD on 26 March 2007 at 0116 UT.
Observations are reported from the following observatories in MPEC 2007-F42:
Mt. Lemmon Survey (MLS) [G96]
2007-03-19 0648-0714, 4 pos. in MPEC 2007-F42, follow-up
See also information from the week ending 18 March 2007.
2007 EO88 (K07E88O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 18 meters per JPL H=26.43, MPC H=26.5
This object has been listed as an impact risk since 17 March 2007.
JPL classifies 2007 EO88 as an Apollo and calculates an Earth MOID of 0.001716 AU (0.67 LD),
and reports this object passed Earth at 1.3 LD on 18 March 2007 at 2004 UT.
Observations are reported from the following observatories in MPECs 2007-F33 and 2007-F42:
San Marcello Pistoiese Obs. [104]
2007-03-16 1932-1936, 5 pos. in MPEC 2007-F42, follow-up
Great Shefford Obs. [J95]
2007-03-18 1918-1950, 11 pos. in MPEC 2007-F33, follow-up
See also information from the week ending 18 March 2007.
2007 FS3 (K07F03S) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 20 meters per JPL H=26.14, MPC H=26.1
JPL classifies 2007 FS3 as an Apollo and calculates an Earth MOID of 0.005636 AU (2.19 LD),
and reports this object passed Earth at 2.3 LD on 15 March 2007 at about 1604 UT.
Lowell Observatory reports 2007 FS3 has an MOID of 0.02682 AU (10.44 LD) with Mars.
Observations are reported from the following observatories in MPEC 2007-F59:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0831-0905, 4 pos. in MPEC 2007-F59, discovery (*)
2007-03-20 1223-1225, 2 pos. in MPEC 2007-F59, confirmation
2007-03-21 0548-0554, 4 pos. in MPEC 2007-F59, confirmation
Great Shefford Obs. [J95]
2007-03-21 0206-0219, 3 pos. in MPEC 2007-F59, confirmation
Catalina Sky Survey (CSS) [703]
2007-03-21 0718-0720, 4 pos. in MPEC 2007-F59, confirmation
2007 FQ3 (K07F03Q) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 25 meters per JPL H=25.65, MPC H=25.6
This object was listed from 21 until 22 March 2007 as an impact risk.
JPL classifies 2007 FQ3 as an Amor and calculates an Earth MOID of 0.060338 AU (23.48 LD),
and reports this object will pass Earth at 23.8 LD on 26 March 2007.
Observations are reported from the following observatories in MPECs 2007-F57 and 2007-F61:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0647-0719, 4 pos. in MPEC 2007-F57, discovery (*)
2007-03-20 1120-1124, 4 pos. in MPEC 2007-F57, confirmation
2007-03-21 0509-0513, 4 pos. in MPEC 2007-F57, confirmation
Mt. John Obs. [474]
2007-03-21 1457-1504, 2 pos. in MPEC 2007-F61, follow-up
Great Shefford Obs. [J95]
2007-03-22 0054-0104, 2 pos. in MPEC 2007-F61, follow-up (W)
2007 FC3 (K07F03C) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 27 meters per JPL H=25.52, MPC H=25.5
JPL classifies 2007 FC3 as an Apollo and calculates an Earth MOID of 0.006090 AU (2.37 LD),
and reports this object passed Earth at 3.4 LD on 20 March 2007 at 1527 UT.
Observations are reported from the following observatories in MPECs 2007-F43, 2007-F46,
and 2007-F61:
Catalina Sky Survey (CSS) [703]
2007-03-18 0621-0705, 8 pos. in MPEC 2007-F43, discovery (*)
2007-03-19 0622-0634, 4 pos. in MPEC 2007-F43, confirmation
2007-03-20 0552-0554, 4 pos. in MPEC 2007-F43, confirmation
Great Shefford Obs. [J95]
2007-03-18 2001-2002, 3 pos. in MPEC 2007-F43, confirmation (E)
2007-03-20 1923-1934, 6 pos. in MPEC 2007-F46, follow-up
2007-03-20 2142-2145, 3 pos. in MPEC 2007-F61, follow-up
Antares Obs. [H55]
2007-03-20 0205-0213, 17 pos. in MPEC 2007-F46, follow-up
Grasslands Obs. [651]
2007-03-20 0314-0315, 3 pos. in MPEC 2007-F43, confirmation
Table Mountain Obs. [673{5}] coded to Jim Young
2007-03-20 0322-0428, 9 pos. in MPEC 2007-F43, confirmation
Mt. John Obs. [474]
2007-03-20 0817-0923, 16 pos. in MPEC 2007-F43, confirmation
2007-03-20 1107-1113, 9 pos. in MPEC 2007-F46, follow-up
Remanzacco Obs. [473]
2007-03-20 2051-2057, 2 pos. in MPEC 2007-F61, follow-up
2007 EV (K07E00V) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 34 meters per JPL H=25.02, MPC H=25.0
This object has been listed as an impact risk since 11 March 2007.
JPL classifies 2007 EV as an Apollo and calculates an Earth MOID of 0.003386 AU (1.32 LD),
and reports this object passed Earth at 4.7 LD on 16 March 2007 at 1938 UT.
Observations are reported from the following observatories in MPEC 2007-F71:
Verona Obs. [A48]
2007-03-13 2237-2241, 3 pos. in MPEC 2007-F71, follow-up
See also information from the week ending 18 March 2007.
2007 EG (K07E00G) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 41 meters per JPL H=24.61, MPC H=24.6
JPL classifies 2007 EG as an Aten and calculates an Earth MOID of 0.008812 AU (3.43 LD),
and reports this object passed Earth at 8.8 LD on 11 March 2007 at 1740 UT.
Lowell Observatory reports 2007 EG has an MOID of 0.01579 AU (6.14 LD) with Venus.
Observations are reported from the following observatories in MPEC 2007-F71:
Verona Obs. [A48]
2007-03-12 2002-2004, 4 pos. in MPEC 2007-F71, follow-up
See also information from the week ending 18 March 2007.
2007 FO3 (K07F03O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 42 meters per JPL H=24.52, MPC H=24.5
JPL classifies 2007 FO3 as an Apollo and calculates an Earth MOID of 0.040957 AU (15.94 LD),
and reports this object will pass Earth at 20.5 LD on 10 April 2007.
Observations are reported from the following observatories in MPECs 2007-F55 and 2007-F61:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0645-0716, 4 pos. in MPEC 2007-F55, discovery (*)
2007-03-20 1111-1113, 4 pos. in MPEC 2007-F55, confirmation
2007-03-21 0456-0459, 4 pos. in MPEC 2007-F55, confirmation
Mt. John Obs. [474]
2007-03-20 1309-1317, 3 pos. in MPEC 2007-F55, confirmation
2007-03-21 1414-1425, 3 pos. in MPEC 2007-F61, follow-up
Great Shefford Obs. [J95]
2007-03-21 0131-0152, 3 pos. in MPEC 2007-F55, confirmation
2007 FG1 (K07F01G) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 43 meters per JPL H=24.47, MPC H=24.6
JPL classifies 2007 FG1 as an Apollo and calculates an Earth MOID of 0.022139 AU (8.61 LD),
and reports this object passed Earth at 9.8 LD on 21 March 2007 at 0906 UT.
Observations are reported from the following observatories in MPECs 2007-F37, 2007-F42,
2007-F61, and 2007-F71:
LINEAR [704]
2007-03-17 0516-0618, 5 pos. in MPEC 2007-F37, discovery (*)
2007-03-18 0355-0503, 5 pos. in MPEC 2007-F37, confirmation
Table Mountain Obs. [673{5}] coded to Jim Young
2007-03-19 0436-0459, 4 pos. in MPEC 2007-F37, confirmation
Mt. John Obs. [474]
2007-03-19 1042-1125, 8 pos. in MPEC 2007-F42, follow-up (b)
Great Shefford Obs. [J95]
2007-03-21 2259-2302, 3 pos. in MPEC 2007-F61, follow-up
Verona Obs. [A48]
2007-03-23 2243-2253, 4 pos. in MPEC 2007-F71, follow-up
2007 FJ1 (K07F01J) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 56 meters per JPL H=23.89, MPC H=23.9
JPL classifies 2007 FJ1 as an Amor and calculates an Earth MOID of 0.094089 AU (36.61 LD),
and reports this object passed Earth at 37.2 LD on 23 March 2007.
Observations are reported from the following observatories in MPEC 2007-F39:
Catalina Sky Survey (CSS) [703]
2007-03-17 0738-0802, 3 pos. in MPEC 2007-F39, discovery (*)
2007-03-17 0947-1035, 4 pos. in MPEC 2007-F39, confirmation
2007-03-18 0526-0555, 4 pos. in MPEC 2007-F39, confirmation
Antares Obs. [H55]
2007-03-18 0447-0456, 3 pos. in MPEC 2007-F39, confirmation
Table Mountain Obs. [673{5}] coded to Jim Young
2007-03-19 0547-0608, 4 pos. in MPEC 2007-F39, confirmation
2002 EW8 (K02E08W) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 69 meters per JPL H=23.46, MPC H=23.5
JPL classifies 2002 EW8 as an Apollo and calculates an Earth MOID of 0.042484 AU (16.53 LD),
and reports this object passed Earth at 36.4 LD on 20 March 2007.
Observations are reported from the following observatories in MPEC 2007-F47:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0352-0416, 3 pos. in MPEC 2007-F47, follow-up
2007-03-20 0550-0728, 12 pos. in MPEC 2007-F47, follow-up
2007-03-21 0329-0331, 3 pos. in MPEC 2007-F47, follow-up
Great Shefford Obs. [J95]
2007-03-20 1946-2021, 3 pos. in MPEC 2007-F47, follow-up
2007 FN3 (K07F03N) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 72 meters per JPL H=23.37, MPC H=23.3
JPL classifies 2007 FN3 as an Aten and calculates an Earth MOID of 0.146883 AU (57.15 LD).
Observations are reported from the following observatories in MPECs 2007-F54 and 2007-F61:
Mt. Lemmon Survey (MLS) [G96]
2007-03-20 0607-0634, 3 pos. in MPEC 2007-F54, discovery (*)
2007-03-20 0939-0942, 3 pos. in MPEC 2007-F54, confirmation
2007-03-21 0448-0451, 4 pos. in MPEC 2007-F54, confirmation
Great Shefford Obs. [J95]
2007-03-21 0058-0109, 2 pos. in MPEC 2007-F61, follow-up
2007 EJ88 (K07E88J) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 76 meters per JPL H=23.25, MPC H=23.2
This object was listed from 17 until 22 March 2007 as an impact risk.
JPL classifies 2007 EJ88 as an Apollo and calculates an Earth MOID of 0.028966 AU (11.27 LD),
and reports this object will pass Earth at 31.0 LD on 3 April 2007.
Lowell Observatory reports 2007 EJ88 has significant MOIDs with planets Venus (0.01129 AU =
4.39 LD), Mars (0.00458 AU = 1.78 LD), and Jupiter (0.9511 AU = 370.1 LD).
Observations are reported from the following observatories in MPEC 2007-F61:
Great Shefford Obs. [J95]
2007-03-22 0014-0037, 2 pos. in MPEC 2007-F61, follow-up
See also information from the week ending 18 March 2007.
2007 EO (K07E00O) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 94 meters per JPL H=22.79, MPC H=22.8
JPL classifies 2007 EO as an Amor and calculates an Earth MOID of 0.039364 AU (15.32 LD),
and reports this object passed Earth at 20.7 LD on 17 March 2007.
Observations are reported from the following observatories in MPEC 2007-F71:
Southern African Large Telescope (SALT) [B31]
2007-03-12 2000-2016, 3 pos. in MPEC 2007-F71, follow-up
2007-03-16 0256-0320, 3 pos. in MPEC 2007-F71, follow-up
See also information from the week ending 18 March 2007.
2007 EN26 (K07E26N) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 102 meters per JPL H=22.60, MPC H=22.6
JPL classifies 2007 EN26 as an Apollo and calculates an Earth MOID of 0.014774 AU (5.75 LD),
and reports this object will pass Earth at 14.3 LD on 30 March 2007.
Observations are reported from the following observatories in MPEC 2007-F46:
Desert Moon Obs. [448]
2007-03-20 1206-1215, 3 pos. in MPEC 2007-F46, follow-up
See also information from the week ending 18 March 2007.
2007 DX60 (K07D60X) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 120 meters per JPL H=22.25, MPC H=22.1
JPL classifies 2007 DX60 as an Amor and calculates an Earth MOID of 0.204354 AU (79.52 LD).
Observations are reported from the following observatories in MPEC 2007-F33:
Spacewatch 1.8m telescope [291]
2007-03-18 0601-0615, 3 pos. in MPEC 2007-F33, follow-up
See also information from the week ending 18 March 2007.
2007 EC (K07E00C) [ JPL Orbit Viewer | NEODyS object home | news | viewing | index | top ]
Size estimate: 122 meters per JPL H=22.21, MPC H=22.2
JPL classifies 2007 EC as an Aten and calculates an Earth MOID of 0.024188 AU (9.41 LD).
Observations are reported from the following observatories in MPEC 2007-F71:
Southern African Large Telescope (SALT) [B31]
2007-03-10 1819-1850, 3 pos. in MPEC 2007-F71, follow-up
2007-03-11 1814-1843, 3 pos. in MPEC 2007-F71, follow-up
See also information from the week ending 18 March 2007.
48+120 Hours [ Objects Listings (size order) | Object Index (alpha/xref) | top ]
Observations of 19 small objects were reported during the last 168 hours:
2002 EW8, 2007 DX60, 2007 EC, 2007 EG, 2007 EG88, 2007 EJ88, 2007 EN26, 2007 EO,
2007 EO88, 2007 EV, 2007 FC3, 2007 FG1, 2007 FJ1, 2007 FN3, 2007 FO3, 2007 FP3,
2007 FQ3, 2007 FR3 & 2007 FS3
in MPECs:
2007-F33 time-stamped 2007 Mar. 19, 06:08 UT - Daily Orbit Update
2007-F37 time-stamped 2007 Mar. 19, 11:44 UT - 2007 FG1
2007-F39 time-stamped 2007 Mar. 19, 11:51 UT - 2007 FJ1
2007-F42 time-stamped 2007 Mar. 20, 06:08 UT - Daily Orbit Update
2007-F43 time-stamped 2007 Mar. 20, 11:17 UT - 2007 FC3
2007-F46 time-stamped 2007 Mar. 21, 06:08 UT - Daily Orbit Update
2007-F47 time-stamped 2007 Mar. 21, 11:16 UT - 2002 EW8
2007-F54 time-stamped 2007 Mar. 21, 16:01 UT - 2007 FN3
2007-F55 time-stamped 2007 Mar. 21, 16:07 UT - 2007 FO3
2007-F56 time-stamped 2007 Mar. 21, 16:14 UT - 2007 FP3
2007-F57 time-stamped 2007 Mar. 21, 16:25 UT - 2007 FQ3
2007-F58 time-stamped 2007 Mar. 21, 16:27 UT - 2007 FR3
2007-F59 time-stamped 2007 Mar. 21, 16:32 UT - 2007 FS3
2007-F61 time-stamped 2007 Mar. 22, 06:09 UT - Daily Orbit Update
2007-F71 time-stamped 2007 Mar. 24, 06:10 UT - Daily Orbit Update
Date & times for other sources that were parsed to compile this page:
JPL Close Approaches, downloaded at 2007 March 25, 1443 UTC
JPL NEO Orbital Elements, downloaded at 2007 March 24, 1454 UTC
Lowell Observatory Orbit intersections, time-stamped 2007 Mar 23 1909:15 UTC
MPC NEA.DAT from MPC mirror, downloaded at 2007 March 25, 1921 UTC
Risk monitoring sites, as of A/CC's check at 2007 March 25, 1922 UTC (see CRT page)
Some observation sets have MPEC codes in parentheses, such as (*) denoting discovery.
Viewing Opportunities for Small Objects [ news | size order | alpha order | top ]
This compilation shows 36 small objects as being currently in view,
including 22 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)
---------- ---------- -------- --- ----- --- - -----------------------
2000 PN8 2007-03-26 0.079762 127 22.13 26 - bright recov. poss. (3 Dec.)
2007 FB 2007-03-26 0.027843 19 26.21 1 - past obs. (17 March)
2004 FD 2007-03-27 0.015777 85 22.99 2op - past obs. (12 March)
2007 DB61 2007-03-27 0.013581 70 23.43 16 - past obs. (13 March)
2007 EF88 2007-03-27 0.104813 73 23.32 3 - past obs. (16 March)
2007 DH8 2007-03-28 0.070908 35 24.92 16 - past obs. (10 March)
2007 EL26 2007-03-28 0.162717 79 23.16 3 - past obs. (14 March)
2007 EU 2007-03-28 0.031472 40 24.63 5 - past obs. (16 March)
2007 FR3 2007-03-28 0.001724 11 27.51 1 - (21 March)
2005 ES70 2007-03-30 0.051839 66 23.56 7 - faint recov. poss. (3 Jan.)
2007 FN3 2007-04-01 0.146883 72 23.37 1 - (22 March)
2006 UX1 2007-04-04 0.259858 128 22.11 6 - past obs. (10 Feb.)
2007 EM26 2007-04-04 0.161075 101 22.63 5 - past obs. (17 March)
2007 EG88 2007-04-04 0.012213 14 26.96 5 - (20 March)
2007 FS3 2007-04-05 0.005636 20 26.14 1 - (21 March)
2007 EJ88 2007-04-06 0.028966 76 23.25 8 - was risk listed (22 March)
2007 EN26 2007-04-12 0.014774 102 22.60 8 - (21 March)
2007 FG1 2007-04-12 0.022139 43 24.47 7 - (24 March)
2007 DX60 2007-04-14 0.204354 120 22.25 25 - (19 March)
2007 FO3 2007-04-16 0.040957 42 24.52 1 - (22 March)
2007 FQ3 2007-04-16 0.060338 25 25.65 2 - was risk listed (22 March)
2005 GR33 2007-04-17 0.011936 132 22.04 12 - faint recov. poss. (10 Feb.)
2006 YD12 2007-04-19 0.044509 101 22.63 60 - past obs. (22 Feb.)
2002 EW8 2007-04-19 0.042484 69 23.46 2op - (21 March)
2006 BA9 2007-04-20 0.072674 91 22.86 32 - faint recov. poss., past obs. (10 Feb.)
2004 RE84 2007-04-26 0.019895 132 22.05 28 - bright recov. poss. (10 Feb.)
2004 HZ 2007-04-28 0.000110 121 22.24 18 - risk listed, faint recov. poss. (10 Feb.)
2007 DX 2007-04-30 0.213746 87 22.95 25 - past obs. (15 March)
1995 SB 2007-05-05 0.279024 123 22.20 12 - faint recov. poss. (3 Jan.)
2007 EC 2007-05-13 0.024188 122 22.21 14 - (24 March)
2007 FJ1 2007-05-18 0.094089 56 23.89 2 - (19 March)
2000 HO40 2007-05-20 0.039459 124 22.19 10 - faint recov. poss. (10 Feb.)
2007 BC8 2007-05-26 0.039473 119 22.28 49 - past obs. (14 March)
2007 EO 2007-06-09 0.039364 94 22.79 7 - (24 March)
2007 CQ5 2007-06-23 0.115341 126 22.14 36 - was risk listed, past obs. (16 March)
Coming into view soon:
2006 AM4 2007-04-06 0.011026 148 21.80 2op - was risk listed, >28 March, past obs. (26 Jan.)
2006 KK89 2007-05-03 0.101248 109 22.46 2 - >3 April, faint recov. poss., past obs. (10 Feb.)
2003 WW26 2007-05-05 0.011964 122 22.21 23 - was risk listed, >3 April, faint recov. poss. (10 Feb.)
2000 UY33 2007-05-16 0.118567 133 22.03 144 - >4 April, faint recov. poss. (10 Feb.)
Viewing by designation order - see also Viewing by date order
Object View until MOID AU Dia H Arc Notes (calc date)
---------- ---------- -------- --- ----- --- - -----------------------
2007 FS3 2007-04-05 0.005636 20 26.14 1 - (21 March)
2007 FR3 2007-03-28 0.001724 11 27.51 1 - (21 March)
2007 FQ3 2007-04-16 0.060338 25 25.65 2 - was risk listed (22 March)
2007 FO3 2007-04-16 0.040957 42 24.52 1 - (22 March)
2007 FN3 2007-04-01 0.146883 72 23.37 1 - (22 March)
2007 FJ1 2007-05-18 0.094089 56 23.89 2 - (19 March)
2007 FG1 2007-04-12 0.022139 43 24.47 7 - (24 March)
2007 FB 2007-03-26 0.027843 19 26.21 1 - past obs. (17 March)
2007 EJ88 2007-04-06 0.028966 76 23.25 8 - was risk listed (22 March)
2007 EG88 2007-04-04 0.012213 14 26.96 5 - (20 March)
2007 EF88 2007-03-27 0.104813 73 23.32 3 - past obs. (16 March)
2007 EN26 2007-04-12 0.014774 102 22.60 8 - (21 March)
2007 EM26 2007-04-04 0.161075 101 22.63 5 - past obs. (17 March)
2007 EL26 2007-03-28 0.162717 79 23.16 3 - past obs. (14 March)
2007 EU 2007-03-28 0.031472 40 24.63 5 - past obs. (16 March)
2007 EO 2007-06-09 0.039364 94 22.79 7 - (24 March)
2007 EC 2007-05-13 0.024188 122 22.21 14 - (24 March)
2007 DB61 2007-03-27 0.013581 70 23.43 16 - past obs. (13 March)
2007 DX60 2007-04-14 0.204354 120 22.25 25 - (19 March)
2007 DH8 2007-03-28 0.070908 35 24.92 16 - past obs. (10 March)
2007 DX 2007-04-30 0.213746 87 22.95 25 - past obs. (15 March)
2007 CQ5 2007-06-23 0.115341 126 22.14 36 - was risk listed, past obs. (16 March)
2007 BC8 2007-05-26 0.039473 119 22.28 49 - past obs. (14 March)
2006 YD12 2007-04-19 0.044509 101 22.63 60 - past obs. (22 Feb.)
2006 UX1 2007-04-04 0.259858 128 22.11 6 - past obs. (10 Feb.)
2006 KK89 2007-05-03 0.101248 109 22.46 2 - >3 April, faint recov. poss., past obs. (10 Feb.)
2006 BA9 2007-04-20 0.072674 91 22.86 32 - faint recov. poss., past obs. (10 Feb.)
2006 AM4 2007-04-06 0.011026 148 21.80 2op - was risk listed, >28 March, past obs. (26 Jan.)
2005 GR33 2007-04-17 0.011936 132 22.04 12 - faint recov. poss. (10 Feb.)
2005 ES70 2007-03-30 0.051839 66 23.56 7 - faint recov. poss. (3 Jan.)
2004 RE84 2007-04-26 0.019895 132 22.05 28 - bright recov. poss. (10 Feb.)
2004 HZ 2007-04-28 0.000110 121 22.24 18 - risk listed, faint recov. poss. (10 Feb.)
2004 FD 2007-03-27 0.015777 85 22.99 2op - past obs. (12 March)
2003 WW26 2007-05-05 0.011964 122 22.21 23 - was risk listed, >3 April, faint recov. poss. (10 Feb.)
2002 EW8 2007-04-19 0.042484 69 23.46 2op - (21 March)
2000 UY33 2007-05-16 0.118567 133 22.03 144 - >4 April, faint recov. poss. (10 Feb.)
2000 PN8 2007-03-26 0.079762 127 22.13 26 - bright recov. poss. (3 Dec.)
2000 HO40 2007-05-20 0.039459 124 22.19 10 - faint recov. poss. (10 Feb.)
1995 SB 2007-05-05 0.279024 123 22.20 12 - faint recov. poss. (3 Jan.)
Out-of-view date based on MPES solar elongation <40° and/or magnitude V>22.0 at 1200 UT
geocentric. (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.
"In view" does not necessarily mean locatable for objects with short arcs in prior years
and for which a large search or accidental rediscovery are the best hopes.
Small object observation cross index [ size order | 48 Hours | viewing | top ]
| Object | Observed by MPC code |
|---|
| 2002 EW8 | G96, J95 |
| 2007 DX60 | 291 |
| 2007 EC | B31 |
| 2007 EG | A48 |
| 2007 EG88 | G96 |
| 2007 EJ88 | J95 |
| 2007 EN26 | 448 |
| 2007 EO | B31 |
| 2007 EO88 | 104, J95 |
| 2007 EV | A48 |
| 2007 FC3 | 473, 474, 651, 673, 703, H55, J95 |
| 2007 FG1 | 474, 673, 704, A48, J95 |
| 2007 FJ1 | 673, 703, H55 |
| 2007 FN3 | G96, J95 |
| 2007 FO3 | 474, G96, J95 |
| 2007 FP3 | G96 |
| 2007 FQ3 | 474, G96, J95 |
| 2007 FR3 | G96 |
| 2007 FS3 | 703, G96, J95 |
|
| Code | Observatory | Objects Observed |
|---|
| 104 | San Marcello Pistoiese Obs. | 2007 EO88 |
| 291 | Spacewatch 1.8m telescope | 2007 DX60 |
| 448 | Desert Moon Obs. | 2007 EN26 |
| 473 | Remanzacco Obs. | 2007 FC3 |
| 474 | Mt. John Obs. | 2007 FC3, 2007 FG1, 2007 FO3, 2007 FQ3 |
| 651 | Grasslands Obs. | 2007 FC3 |
| 6735 | Table Mtn. Obs. - Jim Young | 2007 FC3, 2007 FG1, 2007 FJ1 |
| 703 | Catalina Sky Survey | 2007 FC3, 2007 FJ1, 2007 FS3 |
| 704 | LINEAR | 2007 FG1 |
| A48 | Verona Obs. | 2007 EG, 2007 EV, 2007 FG1 |
| B31 | Southern African Large Telescope | 2007 EC, 2007 EO |
| G96 | Mt. Lemmon Survey | 2002 EW8, 2007 EG88, 2007 FN3, 2007 FO3, 2007 FP3, 2007 FQ3, 2007 FR3, 2007 FS3 |
| H55 | Antares Obs. | 2007 FC3, 2007 FJ1 |
| J95 | Great Shefford Obs. | 2002 EW8, 2007 EJ88, 2007 EO88, 2007 FC3, 2007 FG1, 2007 FN3, 2007 FO3, 2007 FQ3, 2007 FS3 |
|
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