Contents  on 5 April '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 5 April '20

The MPC's NEO Confirmation Page has 30 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 30 objects listed. Of these, fifteen were "one nighters." So far The Tracking News has counted a total of 53 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 5 April '20

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been 22 MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2020-G63 - "14:54 UT" - 2020 GW1


MPEC 2020-G62 - "14:49 UT" - 2020 GV1


MPEC 2020-G61 - "14:46 UT" - 2020 GU1


MPEC 2020-G60 - "14:43 UT" - 2020 GT1


MPEC 2020-G59 - "14:40 UT" - 2020 GS1


MPEC 2020-G58 - "14:38 UT" - 2020 GR1


MPEC 2020-G57 - "14:36 UT" - 2020 GQ1


MPEC 2020-G56 - "14:34 UT" - 2020 GP1


MPEC 2020-G55 - "14:32 UT" - 2020 GO1


MPEC 2020-G54 - "14:28 UT" - 2020 GN1


MPEC 2020-G53 - "14:26 UT" - 2020 GM1


MPEC 2020-G52 - "14:24 UT" - 2020 GL1


MPEC 2020-G51 - "14:22 UT" - 2020 GK1


MPEC 2020-G50 - "14:20 UT" - 2020 GJ1


MPEC 2020-G49 - "14:17 UT" - 2020 GH1


MPEC 2020-G48 - "14:16 UT" - 2020 GG1


MPEC 2020-G47 - "14:15 UT" - 2020 GF1


MPEC 2020-G46 - "14:13 UT" - 2020 GE1


MPEC 2020-G45 - "14:11 UT" - 2020 GD1


MPEC 2020-G44 - "14:09 UT" - 2020 GC1


MPEC 2020-G43 - "13:59 UT" - 2020 GB1


<< DOU on 5 April '20 >>  MPEC 2020-G42 - "12:12 UT" - Daily Orbit Update

Observers  on 5 April '20

A total of 49 observers appear in today's MPECs.

CodeObserver / observatory
R57Aorangi Iti Obs. in New Zealand, 1 in MPEC 2020-G51 -- 2020 GK1
H21Astronomical Research Obs. Westfield in Illinois, 7 in MPEC 2020-G42 -- 2020 FJ1, 2020 FC4, 2018 KP, 2010 UE7, 465892, 285110, 276049
T05ATLAS Haleakala in Hawaii, 4 in MPEC 2020-G42 -- 388945, 363599, 137170, 137064
C77Bernezzo Obs. in Italy, 1 in MPEC 2020-G44 -- 2020 GC1
X74Campo dos Amarais Obs., 1 in MPEC 2020-G42 -- 144411
160Castelmartini Obs. in Italy, 10 in MPECs 2020-G42 & 2020-G43 -- 2020 GB1, 2020 DM4, 90075, 54686, 388838, 36284, 35107, 30825, 276732, 154993
703Catalina Sky Survey (CSS) in Arizona, 21 in MPECs 2020-G42, 2020-G44, 2020-G47 & 2020-G55 -- 2020 GO1, 2020 GF1, 2020 GC1, 2019 XG1, 2013 AO27, 2001 GS2, 85628, 68350, 68278, 494880, 425450, 388945, 373428, 318050, 276274, 190166, 138127, 137064, 136618, 7088, 1917
Z99Clixby Obs. in England, 5 in MPECs 2020-G43, 2020-G45, 2020-G46, 2020-G47 & 2020-G49 -- 2020 GH1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GB1
958Dax Obs. in France, 2 in MPECs 2020-G43 & 2020-G44 -- 2020 GC1, 2020 GB1
K87Dettelbach Vineyard Obs. in Germany, 3 in MPECs 2020-G42, 2020-G43 & 2020-G47 -- 2020 GF1, 2020 GB1, 89830
203GiaGa Obs. in Italy, 3 in MPECs 2020-G44, 2020-G45 & 2020-G46 -- 2020 GE1, 2020 GD1, 2020 GC1
J95Great Shefford Obs. in England, 13 in MPECs 2020-G42, 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G49, 2020-G53, 2020-G54, 2020-G57 & 2020-G63 -- 2020 GW1, 2020 GQ1, 2020 GN1, 2020 GM1, 2020 GM, 2020 GH1, 2020 GF1, 2020 GE1, 2020 GE, 2020 GD1, 2020 GC1, 2020 GC, 2020 GB1
1861program code 1 via Kitab Obs., 2 in MPEC 2020-G42 -- 2020 FW4, 52768
246KLENOT in the Czech Republic, 8 in MPECs 2020-G42, 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G49 & 2020-G53 -- 2020 GM1, 2020 GH1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GC1, 2020 GB1, 2020 FW4
C401program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-G42 -- 52768
130Lumezzane Obs. in Italy, 2 in MPEC 2020-G42 -- 9400, 6047
K30Luscherz Obs. in Switzerland, 1 in MPEC 2020-G44 -- 2020 GC1
K38M57 Obs. in Italy, 1 in MPEC 2020-G44 -- 2020 GC1
K95MASTER-II Sutherland in South Africa, 2 in MPEC 2020-G42 -- 86667, 20826
B67Mirasteilas Obs. in Switzerland, 2 in MPEC 2020-G42 -- 539940, 190166
V01Mountainville Obs. in Utah, 1 in MPEC 2020-G47 -- 2020 GF1
G96Mt. Lemmon Survey (MLS) in Arizona, 27 in MPECs 2020-G42, 2020-G43, 2020-G45, 2020-G46, 2020-G48, 2020-G50, 2020-G51, 2020-G52, 2020-G53, 2020-G54, 2020-G56, 2020-G57, 2020-G58, 2020-G59, 2020-G60, 2020-G61, 2020-G62 & 2020-G63 -- 2020 GW1, 2020 GV1, 2020 GU1, 2020 GT1, 2020 GS1, 2020 GR1, 2020 GQ1, 2020 GP1, 2020 GN1, 2020 GM1, 2020 GL1, 2020 GK1, 2020 GJ1, 2020 GG1, 2020 GE1, 2020 GD1, 2020 GB1, 2020 FN1, 2020 FF5, 2003 AA3, 86067, 482244, 463282, 237551, 144861, 141525, 139289
Z80Northolt Branch Obs. in England, 5 in MPECs 2020-G42, 2020-G43 & 2020-G44 -- 2020 GC1, 2020 GB1, 2020 FW4, 2020 DM4, 2017 YT5
C23Olmen Obs. in Belgium, 2 in MPEC 2020-G42 -- 52768, 413989
F51Pan-STARRS 1 (PS1) in Hawaii, 12 in MPECs 2020-G42, 2020-G44, 2020-G45, 2020-G48, 2020-G49, 2020-G51 & 2020-G55 -- 2020 GO1, 2020 GK1, 2020 GH1, 2020 GG1, 2020 GD1, 2020 GC1, 2020 FX4, 2019 UT9, 482244, 274138, 162080, 138175
F52Pan-STARRS 2 (PS2) in Hawaii, 4 in MPECs 2020-G42 & 2020-G43 -- 2020 GB1, 86067, 525364, 136993
K63Pascoli Obs. in Italy, 1 in MPEC 2020-G44 -- 2020 GC1
B49Paus Obs. in Spain, 5 in MPECs 2020-G44, 2020-G45, 2020-G46, 2020-G47 & 2020-G49 -- 2020 GH1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GC1
K80Platanus Obs., 1 in MPEC 2020-G43 -- 2020 GB1
D29Purple Mtn. Obs. Xuyi Station in China, 11 in MPEC 2020-G42 -- 2020 FR5, 2013 AO27, 2001 GS2, 85628, 52768, 373428, 363599, 276274, 137064, 136618, 1917
L04ROASTERR-1 in Romania, 6 in MPECs 2020-G42, 2020-G43 & 2020-G44 -- 2020 GC1, 2020 GB1, 65690, 539940, 52768, 373428
K61Rokycany Obs. in the Czech Republic, 2 in MPECs 2020-G43 & 2020-G47 -- 2020 GF1, 2020 GB1
L40Saarbruecken Rastpfuhl Obs., 1 in MPEC 2020-G42 -- 52768
C95SATINO-1 in France, 1 in MPEC 2020-G42 -- 2019 YV3
204Schiaparelli Obs. in Italy, 7 in MPECs 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G49 & 2020-G51 -- 2020 GK1, 2020 GH1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GC1, 2020 GB1
033Schwarzschild Obs. in Germany, 21 in MPECs 2020-G42, 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G49, 2020-G51, 2020-G53, 2020-G54, 2020-G55 & 2020-G56 -- 2020 GP1, 2020 GO1, 2020 GN1, 2020 GM1, 2020 GM, 2020 GK1, 2020 GH1, 2020 GF1, 2020 GE1, 2020 GE, 2020 GD1, 2020 GC1, 2020 GC, 2020 GB1, 2020 FW4, 2020 FV6, 2020 FQ6, 2020 FO5, 2020 FM6, 2020 FK3, 2020 FF5
G40*program code "*" (19) via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-G44 -- 2020 GC1
W885M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-G42 -- 2020 FZ6
L39Spica Obs., 1 in MPEC 2020-G44 -- 2020 GC1
I93St. Pardon de Conques Obs. in France, 8 in MPECs 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G49, 2020-G51 & 2020-G55 -- 2020 GO1, 2020 GK1, 2020 GH1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GC1, 2020 GB1
I52Steward Obs. Mt. Lemmon Station in Arizona, 26 in MPECs 2020-G42, 2020-G43, 2020-G45, 2020-G46, 2020-G47, 2020-G48, 2020-G49, 2020-G51, 2020-G52, 2020-G53, 2020-G54, 2020-G55, 2020-G56, 2020-G57, 2020-G58, 2020-G59, 2020-G60, 2020-G61, 2020-G62 & 2020-G63 -- 2020 GW1, 2020 GV1, 2020 GU1, 2020 GT1, 2020 GS1, 2020 GR1, 2020 GQ1, 2020 GP1, 2020 GO1, 2020 GN1, 2020 GM1, 2020 GL1, 2020 GL, 2020 GK1, 2020 GH1, 2020 GG1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GB1, 2020 FV2, 2020 FK3, 2020 FB6, 2020 FA1, 2020 DT3, 2019 WR2
673!Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 1 in MPEC 2020-G59 -- 2020 GS1
A16Tentlingen Obs. in Switzerland, 3 in MPEC 2020-G42 -- 436324, 40267, 9400
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-G42 -- 2020 BO3
L01Visnjan Obs. in Croatia, 14 in MPECs 2020-G43, 2020-G44, 2020-G45, 2020-G46, 2020-G47, 2020-G48, 2020-G49, 2020-G51, 2020-G53, 2020-G55, 2020-G56, 2020-G57, 2020-G58 & 2020-G61 -- 2020 GU1, 2020 GR1, 2020 GQ1, 2020 GP1, 2020 GO1, 2020 GM1, 2020 GK1, 2020 GH1, 2020 GG1, 2020 GF1, 2020 GE1, 2020 GD1, 2020 GC1, 2020 GB1
Z92West Park Obs. in England, 1 in MPEC 2020-G42 -- 52768
718Wiggins Obs. in Utah, 1 in MPEC 2020-G44 -- 2020 GC1
I15Wishing Star Obs. in Rhode Island, 3 in MPEC 2020-G42 -- 2020 FW4, 90367, 52768
I41Zwicky Transient Facility in southern California, 1 in MPEC 2020-G42 -- 2019 SH6
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 5 April '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 GO1NEODyS23582064-2116774.04e-05-6.02-6.790NEODyS: "Based on 26 optical observations (of which 0 are rejected as outliers) from 2020-04-02.471 to 2020-04-05.429."
JPL Sentry16002064-2119490.0001132084465-5.59-6.200JPL: Computed at 08:33 today Pacific time based on 26 observations spanning 2.9582 days (2020-Apr-02.47007 to 2020-Apr-05.4283). Diameter approximately 0.010 km. from weighted mean H=27.69.
2020 GK1JPL Sentry16002105-210511.018e-10-10.10-10.10JPL: Computed at 08:30 today Pacific time based on 34 observations spanning 1.8786 days (2020-Apr-03.43665 to 2020-Apr-05.31527). Diameter approximately 0.031 km. from weighted mean H=25.17.
2020 GB1NEODyS23582049-2116335.77e-06-6.24-6.670NEODyS: "Based on 80 optical observations (of which 0 are rejected as outliers) from 2020-04-02.536 to 2020-04-05.195."
JPL Sentry16002049-2116172.2571322e-05-5.44-5.480JPL: Computed at 08:15 today Pacific time based on 80 observations spanning 2.6590 days (2020-Apr-02.534924 to 2020-Apr-05.19391). Diameter approximately 0.015 km. from weighted mean H=26.80.
2020 GHNEODyS1600R E M O V E D-
2020 GENEODyS23582089-2115261.35e-04-6.00-6.080NEODyS: "Based on 20 optical observations (of which 0 are rejected as outliers) from 2020-03-29.510 to 2020-04-05.089."
JPL Sentry16002089-211968.70282e-05-6.19-6.390JPL: Computed at 07:08 today Pacific time based on 20 observations spanning 6.5795 days (2020-Mar-29.509111 to 2020-Apr-05.088641). Diameter approximately 0.007 km. from weighted mean H=28.36.
2020 FV6NEODyS23582092-210339.95e-08-5.95-5.960NEODyS #2 for the day: "Based on 34 optical observations (of which 1 are rejected as outliers) from 2020-03-29.511 to 2020-04-05.064."
JPL Sentry16002078-209221.04943e-07-5.93-5.960JPL: Computed at 06:58 today Pacific time based on 34 observations spanning 6.5527 days (2020-Mar-29.51039 to 2020-Apr-05.06312). Diameter approximately 0.090 km. from weighted mean H=22.88.
2020 FA1NEODyS23582072-211853.44e-07-7.45-7.550NEODyS: "Based on 50 optical observations (of which 0 are rejected as outliers) from 2020-03-16.480 to 2020-04-05.175."
JPL Sentry16002072-2119123.481241e-05-5.56-6.130JPL: Computed at 07:03 today Pacific time based on 50 observations spanning 19.694 days (2020-Mar-16.47938 to 2020-Apr-05.17372). Diameter approximately 0.018 km. from weighted mean H=26.32.
2019 DS1NEODyS1600R E M O V E D-

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 5 April '20

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

2358Noted that NEODyS has updated its 2020 FA1 risk assessment - see above
Noted that NEODyS has updated its 2020 FV6 risk assessment - see above
Noted that NEODyS has posted 2020 GB1 as an impact risk - see above
Noted that NEODyS has updated its 2020 GE risk assessment - see above
Noted that NEODyS has posted 2020 GO1 as an impact risk - see above
1600Noted that NEODyS has removed 2019 DS1 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 FA1 risk assessment - see above
Noted that JPL Sentry has updated its 2020 FV6 risk assessment - see above
Noted that NEODyS has updated its 2020 FV6 risk assessment - see above
Noted that JPL Sentry has posted 2020 GB1 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 GE risk assessment - see above
Noted that NEODyS has removed 2020 GH as an impact risk - see above
Noted that JPL Sentry has posted 2020 GK1 as an impact risk - see above
Noted that JPL Sentry has posted 2020 GO1 as an impact risk - see above
Grabbed MPEC 2020-G42 - Daily Orbit Update - see above
Grabbed MPEC 2020-G43 - 2020 GB1 - see above
Grabbed MPEC 2020-G44 - 2020 GC1 - see above
Grabbed MPEC 2020-G45 - 2020 GD1 - see above
Grabbed MPEC 2020-G46 - 2020 GE1 - see above
Grabbed MPEC 2020-G47 - 2020 GF1 - see above
Grabbed MPEC 2020-G48 - 2020 GG1 - see above
Grabbed MPEC 2020-G49 - 2020 GH1 - see above
Grabbed MPEC 2020-G50 - 2020 GJ1 - see above
Grabbed MPEC 2020-G51 - 2020 GK1 - see above
Grabbed MPEC 2020-G52 - 2020 GL1 - see above
Grabbed MPEC 2020-G53 - 2020 GM1 - see above
Grabbed MPEC 2020-G54 - 2020 GN1 - see above
Grabbed MPEC 2020-G55 - 2020 GO1 - see above
Grabbed MPEC 2020-G56 - 2020 GP1 - see above
Grabbed MPEC 2020-G57 - 2020 GQ1 - see above
Grabbed MPEC 2020-G58 - 2020 GR1 - see above
Grabbed MPEC 2020-G59 - 2020 GS1 - see above
Grabbed MPEC 2020-G60 - 2020 GT1 - see above
Grabbed MPEC 2020-G61 - 2020 GU1 - see above
Grabbed MPEC 2020-G62 - 2020 GV1 - see above
Grabbed MPEC 2020-G63 - 2020 GW1 - see above