Contents  on 18 July '20

Asteroid/Comet Connection (A/CC) Resources:

The latest A/CC news is available via framed access, RSS news feed RSS news feed, or redirection.

Navigation tips: Use the << and >> arrows on the menus for each regular section (Observers, Risks, etc.) to move to the previous and next day's news for that section. Use the Index menu item to access specific days through a calendar interface. To keep track of what's new each day, watch the Chronology section.

NEOCP Activity  on 18 July '20

The MPC's NEO Confirmation Page has 55 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 55 objects listed. Of these, 30 were "one nighters." So far The Tracking News has counted a total of 65 listings on the NEOCP today.

To learn how observers use the NEOCP, see the Practical guide on how to observe NEOCP object at Suno Observatory by Birtwhistle et al.

New MPECs  on 18 July '20

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been ten MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2020-O22 - "21:32 UT" - 2020 OE


MPEC 2020-O21 - "19:17 UT" - 2020 OD


MPEC 2020-O20 - "19:12 UT" - 2020 OC


MPEC 2020-O19 - "18:59 UT" - 2015 GZ12


MPEC 2020-O18 - "18:02 UT" - 2019 OH1


MPEC 2020-O17 - "15:00 UT" - 2017 RT1


MPEC 2020-O16 - "13:54 UT" - 2020 OB


<< DOU on 18 July '20 >>  MPEC 2020-O15 - "13:04 UT" - Daily Orbit Update


MPEC 2020-O14 - "05:40 UT" - 2020 NL1


MPEC 2020-O13 - "01:21 UT" - A/2020 M4

Observers  on 18 July '20

A total of 40 observers appear in today's MPECs.

CodeObserver / observatory
H21Astronomical Research Obs. Westfield in Illinois, 9 in MPECs 2020-O13 & 2020-O15 -- 2020 MV1, 2020 M4, 2019 AC3, 2007 MG, 97725, 465824, 435302, 399774, 285838
T05ATLAS Haleakala in Hawaii, 17 in MPECs 2020-O15 & 2020-O20 -- 2020 OC, 2018 LM4, 2016 PN, 2004 XP14, 2003 BK47, 85275, 66391, 480936, 428086, 382503, 145656, 138847, 9162, 8014, 4947, 4055, 1685
T08ATLAS Mauna Loa in Hawaii, 23 in MPECs 2020-O15, 2020-O20 & 2020-O21 -- 2020 OD, 2020 OC, 2020 NV, 2020 MC4, 2020 KW7, 2019 NC1, 2018 KM2, 2012 BS23, 2011 FY2, 2007 VX137, 2004 LU3, 86829, 86039, 503960, 20826, 159402, 137799, 103067, 6569, 5653, 4179, 3691, 3352
Z84Calar Alto Schmidt in Spain, 1 in MPEC 2020-O14 -- 2020 NL1
X74Campo dos Amarais Obs., 1 in MPEC 2020-O15 -- 2019 NC1
160Castelmartini Obs. in Italy, 13 in MPEC 2020-O15 -- 2020 MX, 2018 LM4, 2014 LW21, 2006 UD63, 2004 XP14, 2003 BK47, 90147, 85989, 85275, 382503, 145656, 136874, 106589
703Catalina Sky Survey (CSS) in Arizona, 7 in MPEC 2020-O15 -- 2019 AN5, 505657, 420302, 382625, 380128, 361123, 19764
V06Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 2 in MPEC 2020-O15 -- 2020 NY, 2020 LD1
958Dax Obs. in France, 1 in MPEC 2020-O21 -- 2020 OD
K87Dettelbach Vineyard Obs. in Germany, 9 in MPEC 2020-O15 -- 2020 ND, 2020 NA, 2020 MX, 2019 AN5, 2016 PN, 2014 LW21, 2010 LU108, 2006 UD63, 2006 HB
J04ESA Optical Ground Station in the Canary Islands, 1 in MPEC 2020-O13 -- 2020 M4
734Farpoint Obs. in Kansas, 6 in MPECs 2020-O14 & 2020-O15 -- 2020 NL1, 2020 HS8, 2019 AN5, 2013 TV144, 2010 JV153, 2010 EC135
595Farra d'Isonzo Obs. in Italy, 1 in MPEC 2020-O21 -- 2020 OD
W46Foxfire Village Obs., 1 in MPEC 2020-O15 -- 2020 ND
J95Great Shefford Obs. in England, 1 in MPEC 2020-O15 -- 2020 ND1
H06|Hidetaka Sato in Japan via iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-O13 -- 2020 M4
Q622Marian Urbanik in Slovakia via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-O21 -- 2020 OD
C401program code 1 via Kuban State Univ. Obs. in Russia, 2 in MPEC 2020-O15 -- 420302, 8014
K95MASTER-II Sutherland in South Africa, 3 in MPEC 2020-O15 -- 159402, 10563, 6053
568^R. Wainscoat on Mauna Kea in Hawaii, 1 in MPEC 2020-O13 -- 2020 M4
V01Mountainville Obs. in Utah, 2 in MPEC 2020-O15 -- 2020 ND, 2020 MX
474Mt. John Obs. in New Zealand, 26 in MPECs 2020-O14, 2020-O15, 2020-O17, 2020-O18, 2020-O19, 2020-O20, 2020-O21 & 2020-O22 -- 2020 OE, 2020 OD, 2020 OC, 2020 NZ, 2020 NL1, 2020 NK, 2020 NG1, 2020 NE, 2020 NC1, 2020 NC, 2020 MR3, 2020 ME, 2020 MC4, 2020 LK2, 2020 LE2, 2020 LC1, 2020 KE5, 2020 HW4, 2020 GN3, 2020 FU6, 2020 FH6, 2019 OH1, 2017 RT1, 2015 PN307, 2015 GZ12, 2009 PY
G96Mt. Lemmon Survey (MLS) in Arizona, 5 in MPECs 2020-O14, 2020-O15 & 2020-O16 -- 2020 OB, 2020 NL1, 2004 QD17, 23187, 162980
J69North Obs. in England, 1 in MPEC 2020-O21 -- 2020 OD
F51Pan-STARRS 1 (PS1) in Hawaii, 32 in MPECs 2020-O13, 2020-O15, 2020-O19 & 2020-O22 -- 2020 OE, 2020 NL1, 2020 NG, 2020 MF4, 2020 M4, 2020 LE2, 2015 YP10, 2015 NJ24, 2015 GZ12, 2012 XZ6, 2012 XF17, 2012 XF112, 2007 VX137, 2007 HX82, 2000 PQ27, 97725, 68348, 523707, 517103, 477885, 441304, 363617, 363024, 288592, 230979, 218863, 18736, 175189, 170891, 163014, 141078, 7025
F52Pan-STARRS 2 (PS2) in Hawaii, 12 in MPECs 2020-O13, 2020-O15, 2020-O19 & 2020-O22 -- 2020 OE, 2020 NO, 2020 MG, 2020 M4, 2017 YP3, 2015 GZ12, 2012 XZ6, 2003 OA3, 86666, 331471, 175189, 137199
654Pomona College Table Mtn. Obs. (PCTMO) in southern California, 2 in MPEC 2020-O15 -- 2020 NR, 2020 ND
104San Marcello Pistoiese Obs. in Italy, 1 in MPEC 2020-O13 -- 2020 M4
H36Sandlot Obs. in Kansas, 2 in MPECs 2020-O14 & 2020-O21 -- 2020 OD, 2020 NL1
C95SATINO-1 in France, 1 in MPEC 2020-O15 -- 2010 JV153
033Schwarzschild Obs. in Germany, 2 in MPECs 2020-O14 & 2020-O16 -- 2020 OB, 2020 NL1
Y00SONEAR in Brazil, 1 in MPEC 2020-O15 -- 6569
W34Squirrel Valley Obs. in North Carolina, 1 in MPEC 2020-O15 -- 2020 HS8
I93St. Pardon de Conques Obs. in France, 2 in MPECs 2020-O14 & 2020-O21 -- 2020 OD, 2020 NL1
I52Steward Obs. Mt. Lemmon Station in Arizona, 15 in MPECs 2020-O15, 2020-O16 & 2020-O18 -- 2020 OB, 2020 NV, 2020 NG1, 2020 NE1, 2020 ND1, 2020 NC1, 2020 MG4, 2020 MC4, 2020 LX, 2020 LK2, 2020 LG2, 2020 LE2, 2020 BL9, 2019 OH1, 2015 PD
673!Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 2 in MPECs 2020-O13 & 2020-O14 -- 2020 NL1, 2020 M4
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-O15 -- 2016 EK56
C51WISE in Earth polar orbit, 4 in MPEC 2020-O15 -- 2020 LC1, 2014 LQ26, 65690, 480936
N88Xingming Obs. #3, 1 in MPEC 2020-O21 -- 2020 OD
I41Zwicky Transient Facility (ZTF) in southern California, 12 in MPEC 2020-O15 -- 2017 XL62, 85275, 500094, 495615, 39572, 354663, 349063, 209924, 4055, 3288, 2063, 433
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 18 July '20

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS at 2358 UTC)
See the CRT page for a list of all objects rated recently as risks and our ephemerides page for a list of risk-listed objects under current observation.
The time horizon for JPL and NEODyS listings is 100 years, and both post impact solutions beyond that for some special objects.
For the latest official risk assessments, and for explanations of the terminology, see the NASA/JPL Sentry and NEODyS CLOMON2 risk pages.
0000NNN000

Object

Risk
Monitor
When
Noted
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Today's Latest Risk Assessments
2020 OBJPL Sentry16302114-211929.451e-08-6.28-6.580JPL: Computed at 09:02 today Pacific time based on 13 observations spanning 1.9426 days (2020-Jul-16.44824 to 2020-Jul-18.39088). Diameter approximately 0.064 km. from weighted mean H=23.62.
2020 NK1NEODyS16002079-2103541.23e-05-1.73-2.171NEODyS: "Based on 19 optical observations (of which 0 are rejected as outliers) from 2020-07-13.569 to 2020-07-17.707."
2020 NYJPL Sentry1600R E M O V E DJPL: Risk listing removed at 1559 UTC today
2012 RU16JPL Sentry16002036-208924.779e-08-7.66-7.900JPL: Computed at 16:19 April 16th of 2017 Pacific time based on 56 observations spanning 25.093 days (2012-Sep-15.34955 to 2012-Oct-10.44277). Diameter approximately 0.026 km. from weighted mean H=25.61.

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

An impact solution, also known as a "virtual impactor" (VI), is not a prediction but rather a possibility derived from a variant orbit calculation that cannot be eliminated yet based on the existing data. Elimination can come quickly with just a little further observation or may take weeks or months, sometimes years. Once superceded or eliminated, a former impact solution has zero relevance to an object's risk. See Jon Giorgini's "Understanding Risk Pages" to learn more.

Chronology  on 18 July '20

Times are UTC for when items were noted or added by The Tracking News.

2200Grabbed MPEC 2020-O22 - 2020 OE - see above
1930Grabbed MPEC 2020-O19 - 2015 GZ12 - see above
Grabbed MPEC 2020-O20 - 2020 OC - see above
Grabbed MPEC 2020-O21 - 2020 OD - see above
1830Grabbed MPEC 2020-O18 - 2019 OH1 - see above
1630Noted that JPL Sentry has posted 2020 OB as an impact risk - see above
1600Noted that JPL Sentry has updated its 2012 RU16 risk assessment - see above
Noted that NEODyS has posted 2020 NK1 as an impact risk - see above
Noted that JPL Sentry has removed 2020 NY as an impact risk - see above
Grabbed MPEC 2020-O14 - 2020 NL1 - see above
Grabbed MPEC 2020-O15 - Daily Orbit Update - see above
Grabbed MPEC 2020-O16 - 2020 OB - see above
Grabbed MPEC 2020-O17 - 2017 RT1 - see above
0400Grabbed MPEC 2020-O13 - A/2020 M4 - see above