2020-04-11 Tracking News

Contents on 11 April '20

IAU Minor Planet Center
- NEOCP Activity -- 24 listings
- New MPECs -- six MPECs
Observers -- 55 observers
Impact Risk Monitoring -- one object
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1116 risk-listed objects, 99 have had news in the last 31 days. Updated at 1731 UTC on 11 April.
Earth's Busy Neighborhood traffic page
Ephemerides for risk-listed objects & close passers
News archive (old) & news image catalog (discontinued)
Object Links - mainly for radar targets & close passers (mostly discontinued)
Observing Campaigns (old)

The latest A/CC news is available via framed access, 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 11 April '20

The MPC's NEO Confirmation Page has 24 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 24 objects listed. Of these, fourteen were "one nighters." So far The Tracking News has counted a total of 30 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 11 April '20

Minor Planet Electronic Circulars

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

MPEC 2020-G84 time-stamped "02:00 UT" - 2020 GD2 - see below
MPEC 2020-G85 time-stamped "02:02 UT" - 2020 GE2 - see below
MPEC 2020-G86 time-stamped "11:58 UT" - 2020 GF2 - see below
MPEC 2020-G87 time-stamped "12:01 UT" - Daily Orbit Update - see below
MPEC 2020-G88 time-stamped "22:18 UT" - 2020 GG2 - see below
MPEC 2020-G89 time-stamped "22:25 UT" - 2020 GH2

MPEC 2020-G89 - "22:25 UT" - 2020 GH2

K20G02H 2020 GH2 (small asteroid, Earth MOID=0.0 LD, H=26.3 ~19m) was picked up at 0620 UT on 11 April by the Mt. Lemmon Survey (MLS), observing it at April 11.26-28p4. This detection was confirmed by Steward Obs. Mt. Lemmon Station (April 11.37-38p4), KLENOT (April 11.82p9), Guidestar Obs. (April 11.82-84p3), Schwarzschild Obs. (April 11.82p3), Celado Obs. (April 11.82p3), and St. Pardon de Conques Obs. (April 11.86p3).

MPEC 2020-G88 - "22:18 UT" - 2020 GG2

K20G02G 2020 GG2 (small asteroid, Earth MOID=9.5 LD, H=24.3 ~47m) was picked up at 0756 UT on 10 April by MLS, observing it at April 10.33-35p4. This detection was confirmed by Sandlot Obs. (April 10.39-40p2), Steward Mt. Lemmon Sta. (April 10.42-43p4), Pan-STARRS 1 (PS1) (April 10.54p1), Schwarzschild Obs. (April 10.81p4, 11.11p3 & 11.83p3), Great Shefford Obs. (April 10.85-86p3), St. Pardon de Conques Obs. (April 10.87-89p3), Visnjan Obs. (April 10.88-89p4), Schiaparelli Obs. (April 10.91-93p2), Tebbutt Obs. (April 11.20-24p3), Celado Obs. (April 11.83p3), and KLENOT (April 11.87p2).

<< DOU on 11 April '20 >> MPEC 2020-G87 - "12:01 UT" - Daily Orbit Update

Observations of risk-listed objects
K20F06V 2020 FV6 (small asteroid, Q=4.539 AU, arc=13 days, H=23.0 ~85m) from Steward Mt. Lemmon Sta. (April 11.38-39p4)
Observations of recently (no longer) risk-listed objects
K20F05O 2020 FO5 (q=0.358 AU, Q=6.170 AU, arc=19 days, H=20.5 ~269m) from Aorangi Iti Obs. (April 11.33-34p3)
Observations of close-passing objects
K20G02A 2020 GA2 (i=42.8°, arc=2 days, H=21.3 ~186m) from Platanus Obs. (April 9.99-13p32, 11.01-03p4 & 11.13p1), ISON Castelgrande Obs. (April 10.10p3), Schwarzschild Obs. (April 10.11p3 & 11.11p3), Steward Mt. Lemmon Sta. (April 10.43p4), QOS Obs. (April 10.92p5), Great Shefford Obs. (April 10.96-97p5), and Dettelbach Vineyard Obs. (April 11.08p3)
K20G01Y 2020 GY1 (arc=5 days, H=26.6 ~16m) from Schwarzschild Obs. (April 11.08-09p3)
K20G01U 2020 GU1 (arc=8 days, H=27.4 ~11m, NHATS target) from Schwarzschild Obs. (April 10.84p3 & 11.12p4)
K20G01F 2020 GF1 (arc=4 days, H=26.3 ~19m, NHATS target) from Northolt Branch Obs. (April 6.95-96p2)
K20G01E 2020 GE1 (arc=7 days, H=27.1 ~13m, NHATS target) from Astronomical Research Obs. Westfield (April 10.14p5) and Steward Mt. Lemmon Sta. (April 11.12-13p3)
c8945 388945 2008 TZ3 from ARO Westfield (April 10.28p3)
Observation campaigns (NHATS targets, radar support)
K11G60D 2011 GD60 (arc=3 opp, H=21.8 ~148m, NHATS) from Schwarzschild Obs. (April 10.87-88p3)
J0166 190166 2005 UP156 (radar) from ATLAS Mauna Loa (April 10.43-45p4), Geyserland Obs. (April 10.50-55p4), and ATLAS Haleakala (April 10.50-52p4)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone
Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
K20G01S 2020 GS1 (arc=8 days, H=22.2 ~123m) from Steward Mt. Lemmon Sta. (April 11.18p3)
K20G01M 2020 GM1 (q=0.346 AU, arc=8 days, H=23.7 ~62m) from ARO Westfield (April 10.33p4), Schwarzschild Obs. (April 10.81p2 & 11.12p3), and Great Shefford Obs. (April 10.98-99p4)
K20G01G 2020 GG1 (arc=17 days, H=25.3 ~29m) from Steward Mt. Lemmon Sta. (April 11.20p3)
K20G01D 2020 GD1 (arc=8 days, H=23.0 ~85m) from ARO Westfield (April 10.22p4)
K20G00U 2020 GU (arc=9 days, H=24.8 ~37m) from Steward Mt. Lemmon Sta. (April 11.19-20p3)
K20G00S 2020 GS (arc=9 days, H=23.5 ~68m) from Schwarzschild Obs. (April 11.09-10p4)
K20G00P 2020 GP (arc=9 days, H=24.5 ~43m) from Steward Mt. Lemmon Sta. (April 11.28-29p4)
K20F06W 2020 FW6 (arc=13 days, H=23.1 ~81m) from Schwarzschild Obs. (April 11.07-08p2) and Steward Mt. Lemmon Sta. (April 11.21-22p3)
K20F05X 2020 FX5 (arc=17 days, H=23.9 ~56m) from Steward Mt. Lemmon Sta. (April 11.40-41p4)
K20F05F 2020 FF5 (arc=18 days, H=24.9 ~35m) from Steward Mt. Lemmon Sta. (April 11.41-42p4)
K20F03X 2020 FX3 (arc=19 days, H=24.0 ~54m) from Schwarzschild Obs. (April 10.84p4) and Steward Mt. Lemmon Sta. (April 11.12p3)
K20F03A 2020 FA3 (arc=20 days, H=23.1 ~81m) from ARO Westfield (April 10.17p5) and Dettelbach Vineyard Obs. (April 10.88-89p3)
K20F02V 2020 FV2 (arc=21 days, H=22.2 ~123m) from Steward Mt. Lemmon Sta. (April 11.13-14p3 at G=21.1-22.4)
K20F02O 2020 FO2 (arc=77 days, H=22.4 ~112m) from ARO Westfield (April 10.16p5) and Dettelbach Vineyard Obs. (April 10.91-92p3)
K17U44Z 2017 UZ44 (arc=2 opp, H=22.2 ~123m) from Schwarzschild Obs. (April 10.86p3)
K20G01X 2020 GX1 (arc=7 days, H=21.9 ~141m) from Schwarzschild Obs. (April 10.82p3 & 11.12-13p4)
K20F07A 2020 FA7 (arc=25 days, H=22.0 ~135m) from ARO Westfield (April 10.12p3)
K20F04X 2020 FX4 (arc=160 days, H=21.8 ~148m) from ARO Westfield (April 10.18p3)
Observations of other objects
K20G02E 2020 GE2 (Q=4.224 AU, arc=19 days, H=21.1 ~204m) from Schwarzschild Obs. (April 11.06-07p4)
K20G02D 2020 GD2 (arc=161 days, H=21.0 ~214m) from Sormano2 Obs. (April 10.86p2) and Dettelbach Vineyard Obs. (April 10.99-03p3)
K20F06Z 2020 FZ6 (Q=4.035 AU, arc=36 days, H=21.3 ~186m) from M. Kumrucu-Lohmiller via Slooh.com Chile Obs. (April 8.98-99p2)
K20F06R 2020 FR6 (arc=18 days, H=21.3 ~186m) from Steward Mt. Lemmon Sta. (April 11.22p3)
K20F06E 2020 FE6 (arc=21 days, H=19.9 ~355m) from Steward Mt. Lemmon Sta. (April 11.30-31p3)
K20F06B 2020 FB6 (arc=17 days, H=20.5 ~269m) from Schwarzschild Obs. (April 11.10p3) and Steward Mt. Lemmon Sta. (April 11.41-42p4)
K20F04W 2020 FW4 (arc=18 days, H=21.7 ~155m) from Northolt Branch Obs. (April 8.89p2 & 9.93-94p2) and Schwarzschild Obs. (April 10.84p3)
K20E00M 2020 EM (arc=37 days, H=19.8 ~371m) from Steward Mt. Lemmon Sta. (April 11.21p4)
K20D04M 2020 DM4 (arc=44 days, H=21.7 ~155m) from ARO Westfield (April 10.13p4), ATLAS Mauna Loa (April 10.38-40p4), and ATLAS Haleakala (April 10.45-46p4)
K20D01L 2020 DL1 (Q=4.187 AU, arc=80 days, H=20.6 ~257m) from Steward Mt. Lemmon Sta. (April 11.34-35p2)
K20D00X 2020 DX (arc=55 days, H=20.0 ~339m) from Steward Mt. Lemmon Sta. (April 11.32p4)
K20B08G 2020 BG8 (arc=109 days, H=21.1 ~204m) from Steward Mt. Lemmon Sta. (April 11.33-34p4)
K20B04A 2020 BA4 (arc=81 days, H=20.3 ~295m) from Steward Mt. Lemmon Sta. (April 11.16-18p4)
K19Y03V 2019 YV3 (arc=35 days, H=21.0 ~214m) from UH/Tholen NEO Follow-Up 2.24m Telescope (Jan. 29.21p1 & Feb. 1.21p1)
K19S06H 2019 SH6 (arc=2 opp, H=20.0 ~339m) from Pan-STARRS 2 (PS2) (April 10.46-50p3)
K17F90E 2017 FE90 (arc=3 opp, H=19.6 ~407m) from ATLAS Mauna Loa (April 10.45-47p4)
K17E02S 2017 ES2 (arc=3 opp, H=19.4 ~446m) from ATLAS Haleakala (April 10.31-35p8)
K17B32E 2017 BE32 (arc=2 opp, H=19.3 ~467m) from Steward Mt. Lemmon Sta. (April 11.12-14p4)
K16N00V 2016 NV (arc=2 opp, H=19.7 ~389m) from Steward Mt. Lemmon Sta. (April 11.15-16p3)
K16EF7E 2016 EE157 (arc=3 opp, H=20.8 ~234m) from Schwarzschild Obs. (April 10.85p3)
K16AE7X 2016 AX147 (arc=4 opp, H=17.8 ~933m) from ATLAS Mauna Loa (April 10.27-30p4)
K15FX2P 2015 FP332 (i=36.5°, Q=4.790 AU, arc=5 opp, H=17.3 ~1.17 km) from the Catalina Sky Survey (CSS) (April 10.41-42p2)
K13A27O 2013 AO27 (q=0.292 AU, Q=4.531 AU, arc=2 opp, H=19.8 ~371m) from Schwarzschild Obs. (April 11.11-12p4)
K11F02Z 2011 FZ2 (Q=4.750 AU, arc=4 opp, H=17.5 ~1.07 km) from ATLAS Mauna Loa (April 10.59-62p3)
K10X11D 2010 XD11 (q=0.326 AU, Q=4.098 AU, arc=4 opp, H=18.0 ~851m) from CSS (April 10.25-26p4)
K01G02S 2001 GS2 (arc=3 opp, H=20.5 ~269m) from ARO Westfield (April 10.30p4) and ATLAS Mauna Loa (April 10.53-56p4)
r9940 539940 2017 HW1 from CSS (April 10.38-40p2)
p1523 511523 2014 QS439 from CSS (April 10.18-20p4)
n4880 494880 2008 SQ7 from ATLAS Mauna Loa (April 10.47-49p4)
m2566 482566 2012 WK4 from PS1 (April 11.29-32p4)
i8818 448818 2011 UU20 from ATLAS Mauna Loa (April 10.34-36p4)
f3989 413989 2007 EL88 from SONEAR (April 9.97p2)
c8838 388838 2008 EZ5 from ATLAS Mauna Loa (April 10.36-38p4)
b4188 374188 2005 AD3 from Tentlingen Obs. (April 9.82-85p3)
b3428 373428 1999 TC5 from ARO Westfield (April 10.23p4) and ATLAS Mauna Loa (April 10.45-46p4)
Y9928 349928 2009 WD106 from ATLAS Mauna Loa (April 10.34-36p4)
V5098 315098 2007 EX from ATLAS Haleakala (April 10.31-33p4)
R7810 277810 2006 FV35 from PS1 (April 11.28-31p3)
P2793 252793 2002 FW5 from CSS (April 10.28p2)
M8368 228368 2000 WK10 from CSS (April 10.21p2)
G3243 163243 2002 FB3 from Tentlingen Obs. (April 9.81-85p4), ATLAS Mauna Loa (April 10.27-28p3), ATLAS Haleakala (April 10.37-39p4), and Castelmartini Obs. (April 10.86p3)
F2978 152978 2000 GJ147 from PS1 (April 10.43-45p3)
E2555 142555 2002 TB58 from ATLAS Haleakala (April 10.46-48p4)
D8847 138847 2000 VE62 from WISE (April 7.58p1, 7.71p1, 8.10p2, 8.23p1, 8.30p1, 8.43p1 & 8.56p1), ATLAS Mauna Loa (April 10.30-32p4), ATLAS Haleakala (April 10.38-40p4), and Geyserland Obs. (April 10.40p2)
D7064 137064 1998 WP5 from ATLAS Mauna Loa (April 10.48-50p4)
D6582 136582 1992 BA from WISE (April 7.06p2, 7.19p1, 7.32p1, 7.52p1, 7.58p1, 7.65p1, 7.72p1, 7.78p1, 7.91p1, 8.17p2, 8.30p1 & 8.43p1)
B5052 115052 2003 RD6 from ATLAS Mauna Loa (April 10.38-40p4)
99935 99935 2002 AV4 from Geyserland Obs. (April 10.56-57p4)
90367 90367 2003 LC5 from CSS (April 10.25-26p4) and PS1 (April 11.34-37p3)
90075 90075 2002 VU94 from ATLAS Mauna Loa (April 10.27-29p4) and Castelmartini Obs. (April 10.87p3)
89830 89830 2002 CE from Tentlingen Obs. (April 9.92-95p4) and CSS (April 10.23-24p4)
68350 68350 2001 MK3 from ARO Westfield (April 10.35p3)
65690 65690 1991 DG from CSS (April 10.14-16p3)
52768 52768 1998 OR2 from Northolt Branch Obs. (April 8.93-97p5), Montelupo Obs. (April 9.84-85p5), program code 1 via Kuban State Univ. Obs. (April 10.70-94p51), San Vito Obs. (April 10.79-80p6), West Park Obs. (April 10.87-89p3), Castelmartini Obs. (April 10.88-89p3), QOS Obs. (April 10.90p7), and Spica Obs. (April 10.92p2)
40267 40267 1999 GJ4 from Castelmartini Obs. (April 10.87-88p3)
39796 39796 1997 TD from PS1 (April 11.28-32p3)
36284 36284 2000 DM8 from Geyserland Obs. (April 10.31-32p2)
35107 35107 1991 VH from Montelupo Obs. (April 9.83-84p4) and Tentlingen Obs. (April 9.86-90p4)
30825 30825 1990 TG1 from Castelmartini Obs. (April 10.83p3)
18172 18172 2000 QL7 from WISE (April 8.63p1, 8.76p2, 8.89p1, 9.22p1, 9.61p1, 9.67p1, 10.00p1 & 10.26p1), Montelupo Obs. (April 9.79-80p3), ATLAS Mauna Loa (April 10.31-34p4), and Castelmartini Obs. (April 10.90-91p3)
11066 11066 Sigurd (1992 CC1) from ATLAS Mauna Loa (April 10.36-39p7), Geyserland Obs. (April 10.41-43p2), and ATLAS Haleakala (April 10.44-45p4)
09400 9400 1994 TW1 from Landehen Obs. (April 9.85-87p3) and CSS (April 10.14-16p4)
05626 5626 1991 FE from Montelupo Obs. (April 9.80-82p4) and ATLAS Mauna Loa (April 10.31-32p3)
01981 1981 Midas (1973 EA) from CSS (April 10.14-16p3)
01866 1866 Sisyphus (1972 XA) from CSS (April 10.14-16p4)
01685 1685 Toro (1948 OA) from ATLAS Haleakala (April 10.60-61p3)

MPEC 2020-G86 - "11:58 UT" - 2020 GF2

K20G02F 2020 GF2 (Earth MOID=2.2 LD, H=26.0 ~21m) was picked up at 1001 UT on 10 April by ATLAS Mauna Loa, observing it at April 10.42-44p4. This detection was confirmed by PS2 (April 10.36p1), Pascoli Obs. (April 10.80-82p12), Castelmartini Obs. (April 10.80-81p5), Oberfrauendorf Obs. (April 10.81-83p9), Visnjan Obs. (April 10.81-82p6), ROASTERR-1 (April 10.83p3), Andrushivka Obs. (April 10.83p5), St. Pardon de Conques Obs. (April 10.84-86p3), Paus Obs. (April 10.84p3), Great Shefford Obs. (April 10.84p4), Crni Vrh Obs. (April 10.85p4), Spica Obs. (April 10.86p4), Bernezzo Obs. (April 10.87p3), PASTIS Obs. (April 10.87-88p3 & 10.95p3), Luscherz Obs. (April 10.88p3), Landehen Obs. (April 10.88-91p3), GiaGa Obs. (April 10.89-90p3), Kiev Comet Station (April 10.89-90p9), Schiaparelli Obs. (April 10.89-90p5), Northolt Branch Obs. (April 10.90-91p3), San Vito Obs. (April 10.90-91p3), M57 Obs. (April 10.91-94p7), Dettelbach Vineyard Obs. (April 10.94-96p3), Clixby Obs. (April 10.95-96p3), Galilei Obs. (April 11.01p4), Schwarzschild Obs. (April 11.06p2), Foxfire Village Obs. (April 11.07p3), Squirrel Valley Obs. (April 11.08-10p4), Tebbutt Obs. (April 11.12-15p4), ARO Westfield (April 11.12-13p5), El Catalejo Obs. (April 11.23p2), and Aorangi Iti Obs. (April 11.36p4).

MPEC 2020-G85 - "02:02 UT" - 2020 GE2

K20G02E 2020 GE2 (Q=4.333 AU, H=21.0 ~214m) was picked up at 0457 UT on 10 April by MLS, observing it at April 10.21-22p4. This detection was confirmed by PS2 (March 23.38-40p3), Steward Mt. Lemmon Sta. (April 10.31-32p3), Visnjan Obs. (April 10.80-81p3), Schwarzschild Obs. (April 10.82-83p3), St. Pardon de Conques Obs. (April 10.91-96p3), and Great Shefford Obs. (April 11.00-01p2).

MPEC 2020-G84 - "02:00 UT" - 2020 GD2

K20G02D 2020 GD2 (H=21.0 ~214m) was picked up at 0911 UT on 10 April by CSS, observing it at April 10.38-40p4. This detection was confirmed by PS1 (2019 Nov. 2.51-53p3 at G=21.5-7, 2019 Nov. 23.30-33p2 at G=21.5-9, 2019 Dec. 4.21-24p3 at G=22.0-23.0, 2019 Dec. 11.25-29p3 at G=22.6-8, 2019 Dec. 12.28-31p3 at G=22.5-9, 2019 Dec. 16.32-36p4 at G=22.1-2 & April 10.58-59p2 at G=18.8-9), Steward Mt. Lemmon Sta. (April 10.43-44p4), Schwarzschild Obs. (April 10.81p3), Spica Obs. (April 10.84p4), Great Shefford Obs. (April 10.85p4), ROASTERR-1 (April 10.85-86p3), Paus Obs. (April 10.86-87p3), Pascoli Obs. (April 10.86-87p3), M57 Obs. (April 10.86-88p4), Bernezzo Obs. (April 10.88-89p3), St. Pardon de Conques Obs. (April 10.89-90p3), Visnjan Obs. (April 10.89-90p7), Luscherz Obs. (April 10.89-90p3), PASTIS Obs. (April 10.90-91p3), Northolt Branch Obs. (April 10.91-92p3), GiaGa Obs. (April 10.92-93p3), and Clixby Obs. (April 10.97p5).

Observers on 11 April '20

A total of 55 observers appear in today's MPECs.

Code	Observer / observatory
`A50`	Andrushivka Obs. in Ukraine, 1 in MPEC 2020-G86 -- 2020 GF2
`R57`	Aorangi Iti Obs. in New Zealand, 2 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 2020 FO5
`H21`	Astronomical Research Obs. Westfield in Illinois, 13 in MPECs 2020-G86 & 2020-G87 -- 2020 GM1, 2020 GF2, 2020 GE1, 2020 GD1, 2020 FX4, 2020 FO2, 2020 FA7, 2020 FA3, 2020 DM4, 2001 GS2, 68350, 388945, 373428
`T05`	ATLAS Haleakala in Hawaii, 9 in MPEC 2020-G87 -- 2020 DM4, 2017 ES2, 315098, 190166, 163243, 142555, 138847, 11066, 1685
`T08`	ATLAS Mauna Loa in Hawaii, 20 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 2020 DM4, 2017 FE90, 2016 AX147, 2011 FZ2, 2001 GS2, 90075, 494880, 448818, 388838, 373428, 349928, 190166, 18172, 163243, 138847, 137064, 115052, 11066, 5626
`C77`	Bernezzo Obs. in Italy, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`160`	Castelmartini Obs. in Italy, 7 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 90075, 52768, 40267, 30825, 18172, 163243
`703`	Catalina Sky Survey (CSS) in Arizona, 13 in MPECs 2020-G84 & 2020-G87 -- 2020 GD2, 2015 FP332, 2010 XD11, 90367, 89830, 65690, 539940, 511523, 252793, 228368, 9400, 1981, 1866
`K51`	Celado Obs. in Italy, 2 in MPECs 2020-G88 & 2020-G89 -- 2020 GH2, 2020 GG2
`Z99`	Clixby Obs. in England, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`106`	Crni Vrh Obs. in Slovenia, 1 in MPEC 2020-G86 -- 2020 GF2
`K87`	Dettelbach Vineyard Obs. in Germany, 5 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 2020 GD2, 2020 GA2, 2020 FO2, 2020 FA3
`I48`	El Catalejo Obs. in Argentina, 1 in MPEC 2020-G86 -- 2020 GF2
`W46`	Foxfire Village Obs., 1 in MPEC 2020-G86 -- 2020 GF2
`X31`	Galilei Obs., 1 in MPEC 2020-G86 -- 2020 GF2
`E89`	Geyserland Obs. in New Zealand, 5 in MPEC 2020-G87 -- 99935, 36284, 190166, 138847, 11066
`203`	GiaGa Obs. in Italy, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`J95`	Great Shefford Obs. in England, 6 in MPECs 2020-G84, 2020-G85, 2020-G86, 2020-G87 & 2020-G88 -- 2020 GM1, 2020 GG2, 2020 GF2, 2020 GE2, 2020 GD2, 2020 GA2
`A17`	Guidestar Obs. in Germany, 1 in MPEC 2020-G89 -- 2020 GH2
`L28`	ISON Castelgrande Obs., 1 in MPEC 2020-G87 -- 2020 GA2
`585`	Kiev Comet Station in Ukraine, 1 in MPEC 2020-G86 -- 2020 GF2
`246`	KLENOT in the Czech Republic, 2 in MPECs 2020-G88 & 2020-G89 -- 2020 GH2, 2020 GG2
`C401`	program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-G87 -- 52768
`Z43`	Landehen Obs., 2 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 9400
`K30`	Luscherz Obs. in Switzerland, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`K38`	M57 Obs. in Italy, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`108`	Montelupo Obs. in Italy, 4 in MPEC 2020-G87 -- 52768, 35107, 18172, 5626
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 3 in MPECs 2020-G85, 2020-G88 & 2020-G89 -- 2020 GH2, 2020 GG2, 2020 GE2
`Z80`	Northolt Branch Obs. in England, 5 in MPECs 2020-G84, 2020-G86 & 2020-G87 -- 2020 GF2, 2020 GF1, 2020 GD2, 2020 FW4, 52768
`G34`	Oberfrauendorf Obs. in Germany, 1 in MPEC 2020-G86 -- 2020 GF2
`F51`	Pan-STARRS 1 (PS1) in Hawaii, 7 in MPECs 2020-G84, 2020-G87 & 2020-G88 -- 2020 GG2, 2020 GD2, 90367, 482566, 39796, 277810, 152978
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 3 in MPECs 2020-G85, 2020-G86 & 2020-G87 -- 2020 GF2, 2020 GE2, 2019 SH6
`K63`	Pascoli Obs. in Italy, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`K19`	PASTIS Obs. in France, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`B49`	Paus Obs. in Spain, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`K80`	Platanus Obs., 1 in MPEC 2020-G87 -- 2020 GA2
`L18`	QOS Obs., 2 in MPEC 2020-G87 -- 2020 GA2, 52768
`L04`	ROASTERR-1 in Romania, 2 in MPECs 2020-G84 & 2020-G86 -- 2020 GF2, 2020 GD2
`233`	San Vito Obs. in Italy, 2 in MPECs 2020-G86 & 2020-G87 -- 2020 GF2, 52768
`H36`	Sandlot Obs. in Kansas, 1 in MPEC 2020-G88 -- 2020 GG2
`204`	Schiaparelli Obs. in Italy, 2 in MPECs 2020-G86 & 2020-G88 -- 2020 GG2, 2020 GF2
`033`	Schwarzschild Obs. in Germany, 19 in MPECs 2020-G84, 2020-G85, 2020-G86, 2020-G87, 2020-G88 & 2020-G89 -- 2020 GY1, 2020 GX1, 2020 GU1, 2020 GS, 2020 GM1, 2020 GH2, 2020 GG2, 2020 GF2, 2020 GE2, 2020 GD2, 2020 GA2, 2020 FX3, 2020 FW6, 2020 FW4, 2020 FB6, 2017 UZ44, 2016 EE157, 2013 AO27, 2011 GD60
`W885`	M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-G87 -- 2020 FZ6
`Y00`	SONEAR in Brazil, 1 in MPEC 2020-G87 -- 413989
`L06`	Sormano2 Obs. in Italy, 1 in MPEC 2020-G87 -- 2020 GD2
`L39`	Spica Obs., 3 in MPECs 2020-G84, 2020-G86 & 2020-G87 -- 2020 GF2, 2020 GD2, 52768
`W34`	Squirrel Valley Obs. in North Carolina, 1 in MPEC 2020-G86 -- 2020 GF2
`I93`	St. Pardon de Conques Obs. in France, 5 in MPECs 2020-G84, 2020-G85, 2020-G86, 2020-G88 & 2020-G89 -- 2020 GH2, 2020 GG2, 2020 GF2, 2020 GE2, 2020 GD2
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 26 in MPECs 2020-G84, 2020-G85, 2020-G87, 2020-G88 & 2020-G89 -- 2020 GU, 2020 GS1, 2020 GP, 2020 GH2, 2020 GG2, 2020 GG1, 2020 GE2, 2020 GE1, 2020 GD2, 2020 GA2, 2020 FX5, 2020 FX3, 2020 FW6, 2020 FV6, 2020 FV2, 2020 FR6, 2020 FF5, 2020 FE6, 2020 FB6, 2020 EM, 2020 DX, 2020 DL1, 2020 BG8, 2020 BA4, 2017 BE32, 2016 NV
`858`	Tebbutt Obs. in New Mexico, 2 in MPECs 2020-G86 & 2020-G88 -- 2020 GG2, 2020 GF2
`A16`	Tentlingen Obs. in Switzerland, 4 in MPEC 2020-G87 -- 89830, 374188, 35107, 163243
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-G87 -- 2019 YV3
`L01`	Visnjan Obs. in Croatia, 4 in MPECs 2020-G84, 2020-G85, 2020-G86 & 2020-G88 -- 2020 GG2, 2020 GF2, 2020 GE2, 2020 GD2
`Z92`	West Park Obs. in England, 1 in MPEC 2020-G87 -- 52768
`C51`	WISE in Earth polar orbit, 3 in MPEC 2020-G87 -- 18172, 138847, 136582

For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring on 11 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 FV6	JPL Sentry	1730	2092-2092	1	1.558e-08	-6.81	-6.81	0	JPL: Computed at 06:31 today Pacific time based on 41 observations spanning 12.877 days (2020-Mar-29.51039 to 2020-Apr-11.38774). Diameter approximately 0.086 km. from weighted mean H=22.98.
2020 FV6	NEODyS	1730	2092-2103	2	8.95e-09	-7.09	-7.28	0	NEODyS: "Based on 41 optical observations (of which 0 are rejected as outliers) from 2020-03-29.511 to 2020-04-11.389."

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 11 April '20

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

2240	Grabbed MPEC 2020-G88 - 2020 GG2 - see above Grabbed MPEC 2020-G89 - 2020 GH2 - see above
1730	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 Grabbed MPEC 2020-G86 - 2020 GF2 - see above Grabbed MPEC 2020-G87 - Daily Orbit Update - see above
0430	Grabbed MPEC 2020-G84 - 2020 GD2 - see above Grabbed MPEC 2020-G85 - 2020 GE2 - see above

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