Contents on 26 March '20
- IAU Minor Planet Center
- NEOCP Activity -- 35 listings
- New MPECs -- 20 MPECs
- Observers -- 48 observers
- Impact Risk Monitoring -- six objects
- Chronology
Asteroid/Comet Connection (A/CC) Resources:
- Consolidated Risk Tables - the CRT page
Of 1106 risk-listed objects, 46 have had news in the last 31 days. Updated at 1642 UTC on 26 March.
- 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 26 March '20
The MPC's NEO Confirmation Page has 35 listings
When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 35 objects listed. Of these, twelve were "one nighters." So far The Tracking News has counted a total of 55 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 26 March '20
Minor Planet Electronic Circulars
As of last check at 2358 UTC, there have been 20 MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.
- MPEC 2020-F144 time-stamped "00:40 UT" - Comet P/2020 F1 (Leonard) - see below
- MPEC 2020-F145 time-stamped "01:34 UT" - 2020 FF5 - see below
- MPEC 2020-F146 time-stamped "01:37 UT" - 2020 FG5 - see below
- MPEC 2020-F147 time-stamped "01:44 UT" - 2020 FH5 - see below
- MPEC 2020-F148 time-stamped "03:45 UT" - 2020 FJ5 - see below
- MPEC 2020-F149 time-stamped "03:48 UT" - 2020 FK5 - see below
- MPEC 2020-F150 time-stamped "03:52 UT" - 2020 FL5 - see below
- MPEC 2020-F151 time-stamped "03:55 UT" - 2020 FM5 - see below
- MPEC 2020-F152 time-stamped "03:57 UT" - 2020 FN5 - see below
- MPEC 2020-F153 time-stamped "04:00 UT" - 2020 FO5 - see below
- MPEC 2020-F154 time-stamped "04:16 UT" - 2020 FP5 - see below
- MPEC 2020-F155 time-stamped "11:41 UT" - 2020 FR5 - see below
- MPEC 2020-F156 time-stamped "11:44 UT" - 2020 FS5 - see below
- MPEC 2020-F157 time-stamped "11:45 UT" - 2020 FT5 - see below
- MPEC 2020-F158 time-stamped "12:08 UT" - Daily Orbit Update - see below
- MPEC 2020-F159 time-stamped "15:00 UT" - 2010 EF44 - see below
- MPEC 2020-F160 time-stamped "21:46 UT" - 2020 FU5 - see below
- MPEC 2020-F161 time-stamped "23:39 UT" - 2020 FV5 - see below
- MPEC 2020-F162 time-stamped "23:42 UT" - 2020 FW5 - see below
- MPEC 2020-F163 time-stamped "23:45 UT" - 2020 FX5
MPEC 2020-F163 - "23:45 UT" - 2020 FX5
- K20F05X 2020 FX5 (small asteroid, H=23.6 ~65m) was picked up at 0933 UT on 25 March by the Mt. Lemmon Survey (MLS), observing it at March 25.40-41p4. This detection was confirmed by Steward Obs. Mt. Lemmon Station (March 25.51p3 at G=21.0-22.4), Schwarzschild Obs. (March 26.07-08p3 & 26.92-93p3), and Astronomical Research Obs. Westfield (March 26.32-33p3).
MPEC 2020-F162 - "23:42 UT" - 2020 FW5
- K20F05W 2020 FW5 (small asteroid, Earth MOID=8.1 LD, H=25.7 ~25m) was picked up at 0918 UT on 25 March by the Catalina Sky Survey (CSS), observing it at March 25.39-40p4. This detection was confirmed by Steward Mt. Lemmon Sta. (March 25.46p3), Visnjan Obs. (March 25.91p2), Schwarzschild Obs. (March 25.93p3, 26.12p3 & 26.93p3), St. Pardon de Conques Obs. (March 25.97-98p4), Great Shefford Obs. (March 26.00-01p4), Dettelbach Vineyard Obs. (March 26.03-05p3), Clixby Obs. (March 26.06p3), Cordell-Lorenz Obs. (March 26.19-22p4), and ARO Westfield (March 26.25-26p4).
MPEC 2020-F161 - "23:39 UT" - 2020 FV5
- K20F05V 2020 FV5 (small asteroid, H=22.3 ~117m) was picked up at 0559 UT on 24 March by MLS, observing it at March 24.25-27p4 at G=21.1-22.5, 24.36-37p4 at G=22.5, and 25.31p3 at G=21.4-7. This detection was confirmed by Schwarzschild Obs. (March 25.91-92p3 at V=21.5-8 & 26.89-90p2 at V=21.8-22.1).
MPEC 2020-F160 - "21:46 UT" - 2020 FU5
- K20F05U 2020 FU5 (small asteroid, H=23.5 ~68m) was picked up at 0615 UT on 25 March by MLS, observing it at March 25.26-28p4. This detection was confirmed by Steward Mt. Lemmon Sta. (March 25.38-39p3 at G=21.0-5 & 26.14p3 at G=20.7-22.1), Visnjan Obs. (March 25.84-85p3), Schwarzschild Obs. (March 25.92-93p3 & 26.86-87p4), and ARO Westfield (March 26.19-21p3).
MPEC 2020-F159 - "15:00 UT" - 2010 EF44
- K10E44F 2010 EF44 (i=38.0°, q=0.245 AU, Q=4.129 AU, Earth MOID=8.4 LD, H=20.2 ~309m) from UH/Tholen NEO Follow-Up CFH Telescope (March 23.57-58p3 at G=23.90-96) and UH/Tholen NEO Follow-Up 2.24m Telescope (March 24.56p1 at G=24.13)
<< DOU on 26 March '20 >> MPEC 2020-F158 - "12:08 UT" - Daily Orbit Update
- Observations of risk-listed objects
- K20F03R 2020 FR3 (arc=3 days, H=20.7 ~245m) from Dave Balam via Plaskett 1.8m Telescope (March 25.21-22p5)
- K20F03N 2020 FN3 (small asteroid, arc=4 days, H=24.4 ~45m, NHATS target) from Steward Mt. Lemmon Sta. (March 26.14-15p4)
- K20F02Z 2020 FZ2 (small asteroid, arc=4 days, H=25.1 ~32m) from Great Shefford Obs. (March 25.84p3) and Steward Mt. Lemmon Sta. (March 26.12p3)
- Observations of recently (no longer) risk-listed objects
- K20F02E 2020 FE2 (small asteroid, arc=8 days, H=25.8 ~23m, close passer) from Dettelbach Vineyard Obs. (March 25.83-84p3), KLENOT (March 25.86p7), and Clixby Obs. (March 25.88-89p5)
- K20F01O 2020 FO1 (Q=4.214 AU, arc=9 days, H=21.3 ~186m) from MLS (March 25.26-28p4)
- K20D02R 2020 DR2 (arc=34 days, H=18.8 ~589m) from MLS (March 25.20-22p4)
- Observations of close-passing objects
- K20F05B 2020 FB5 (q=0.251 AU, arc=2 days, H=24.8 ~37m) from Dettelbach Vineyard Obs. (March 25.95-96p3)
- K20F04V 2020 FV4 (arc=1 day, H=25.4 ~28m) from Schwarzschild Obs. (March 25.78p4) and Clixby Obs. (March 25.83p3)
- K20F04H 2020 FH4 (arc=1 day, H=28.6 ~6m, NHATS target) from KLENOT (March 24.89p6)
- K20F04F 2020 FF4 (arc=2 days, H=27.9 ~9m, NHATS target) from Clixby Obs. (March 25.90-91p3) and Dettelbach Vineyard Obs. (March 26.06-07p3)
- K20F02W 2020 FW2 (arc=15 days, H=24.1 ~51m) from ATLAS Mauna Loa (March 25.56-59p3), QOS Obs. (March 25.77-78p10), and KLENOT (March 25.88p7)
- K20F02M 2020 FM2 (arc=3 days, H=26.3 ~19m) from ARO Westfield (March 22.13p3)
- K20F00B 2020 FB (arc=10 days, H=25.4 ~28m, NHATS target) from KLENOT (March 25.89p6) and Dettelbach Vineyard Obs. (March 26.01-02p3)
- K19S03X 2019 SX3 (arc=7 days, H=25.4 ~28m) from Pomona College Table Mtn. Obs. (PCTMO) (2019 Sept. 30.38-46p6)
- c8945 388945 2008 TZ3 from ATLAS Mauna Loa (March 25.42-45p4)
- Observation campaigns (NHATS targets, radar support)
- K20F04Y 2020 FY4 (arc=1 day, H=24.7 ~39m, NHATS) from Schwarzschild Obs. (March 25.83p3) and Guidestar Obs. (March 25.85-88p3)
- K20F04B 2020 FB4 (arc=3 days, H=26.7 ~15m, NHATS) from MLS (March 25.33-35p4) and Steward Mt. Lemmon Sta. (March 25.43-44p3)
- K20F03V 2020 FV3 (arc=3 days, H=27.7 ~10m, NHATS) from ARO Westfield (March 25.13-15p3)
- K20F01U 2020 FU1 (arc=9 days, H=27.8 ~9m, NHATS) from ARO Westfield (March 25.28-30p3 at V=22.2-6)
- K20F01E 2020 FE1 (arc=9 days, H=26.0 ~21m, NHATS) from ARO Westfield (March 25.22-24p3 at V=21.7-22.2)
- K19X02U 2019 XU2 (arc=43 days, H=23.5 ~68m, NHATS) from SATINO-1 (2019 Dec. 25.08p3)
- K19R00Y 2019 RY (arc=26 days, H=24.8 ~37m, NHATS) from PCTMO (2019 Sept. 24.28p2)
- K12E08M 2012 EM8 (arc=2 opp, H=24.6 ~41m, NHATS) from MLS (March 25.20-22p4)
- 02102 2102 Tantalus (1975 YA) (radar) from ATLAS Mauna Loa (March 25.62-65p5)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone - Observations of small (H>22.0) & smallish (21.7<H<=22.0) asteroids
- K20F03S 2020 FS3 (Q=5.052 AU, arc=2 days, H=23.7 ~62m) from Dettelbach Vineyard Obs. (March 25.87-88p3)
- K20F02V 2020 FV2 (arc=5 days, H=22.1 ~129m) from KLENOT (March 25.87p6)
- K20F02O 2020 FO2 (arc=60 days, H=22.4 ~112m) from Dettelbach Vineyard Obs. (March 25.85-86p3) and KLENOT (March 25.87p6)
- K20F01X 2020 FX1 (arc=9 days, H=25.8 ~23m) from ARO Westfield (March 25.23p3 at V=22.2-5)
- K20F01H 2020 FH1 (arc=9 days, H=25.3 ~29m) from ARO Westfield (March 25.20-22p3 at V=22.1-3)
- K20F01G 2020 FG1 (arc=9 days, H=25.1 ~32m) from ARO Westfield (March 25.29-31p3 at V=22.2-3)
- K20F00Z 2020 FZ (Q=4.819 AU, arc=9 days, H=25.3 ~29m) from ARO Westfield (March 25.17-19p3 at V=21.6-22.2)
- K20F00E 2020 FE (arc=11 days, H=22.4 ~112m) from MLS (March 25.24-25p4)
- K19Y02D 2019 YD2 (arc=2 opp, H=21.8 ~148m) from MLS (March 25.35-37p4)
- K19X00G 2019 XG (arc=117 days, H=22.0 ~135m) from Pan-STARRS 2 (PS2) (March 25.45-48p7)
- K19J07D 2019 JD7 (arc=2 opp, H=21.8 ~148m) from Tholen 2.24m (Jan. 31.65p1 at G=23.25 & March 24.57p2 at G=21.33-46)
- K15F35C 2015 FC35 (arc=3 opp, H=22.0 ~135m) from MLS (March 25.35-37p4), ATLAS Mauna Loa (March 25.54-56p4), and QOS Obs. (March 25.84-86p12)
- Observations of other objects
- K20F04X 2020 FX4 (arc=144 days, H=21.7 ~155m) from Schwarzschild Obs. (March 25.78-79p3) and Dettelbach Vineyard Obs. (March 25.80-82p3)
- K20F04W 2020 FW4 (arc=2 days, H=21.7 ~155m) from Hoyerswerda Obs. (March 25.81-82p4), Guidestar Obs. (March 25.82-83p3), Schwarzschild Obs. (March 25.83p3), and Dettelbach Vineyard Obs. (March 25.98-99p3)
- K20F01S 2020 FS1 (arc=9 days, H=21.1 ~204m) from Dettelbach Vineyard Obs. (March 25.89-90p3)
- K20E00H 2020 EH (i=45.0°, arc=20 days, H=21.0 ~214m) from QOS Obs. (March 25.78-79p8) and KLENOT (March 25.86p7)
- K20D03T 2020 DT3 (arc=38 days, H=21.3 ~186m) from QOS Obs. (March 25.81-82p8), KLENOT (March 25.85p8), Petit Jean Mtn. South Obs. (PJMSO) (March 26.10p6), and Farpoint Obs. (March 26.13-14p3)
- K20B06X 2020 BX6 (Q=4.480 AU, arc=152 days, H=21.7 ~155m) from MLS (March 25.36-37p3)
- K20A03A 2020 AA3 (arc=82 days, H=20.3 ~295m) from ARO Westfield (March 25.25-27p3 at V=22.1-5)
- K19X01G 2019 XG1 (Q=4.163 AU, arc=2 opp, H=19.2 ~490m) from Tentlingen Obs. (March 24.99-01p3), ATLAS Mauna Loa (March 25.44-45p4), and Hormersdorf Obs. (March 25.83-84p4)
- K19S10N 2019 SN10 (arc=207 days, H=21.3 ~186m) from KLENOT (March 25.86p6)
- K19S06H 2019 SH6 (arc=2 opp, H=20.0 ~339m) from ATLAS Mauna Loa (March 25.40-42p4)
- K17R16Q 2017 RQ16 (i=38.9°, arc=2 opp, H=20.2 ~309m) from MLS (March 25.24-26p4)
- K17M08N 2017 MN8 (arc=3 opp, H=19.5 ~426m) from PCTMO (2019 Oct. 6.46p2)
- K17J02U 2017 JU2 (arc=2 opp, H=18.4 ~708m) from ARO Westfield (March 25.14-15p3 at V=22.4-5)
- K17E02S 2017 ES2 (arc=3 opp, H=19.4 ~446m) from M. Kumrucu-Lohmiller via Slooh.com Chile Obs. (March 25.16-18p3)
- K16EF7E 2016 EE157 (arc=3 opp, H=20.8 ~234m) from MLS (March 25.31-33p4)
- K15R35Z 2015 RZ35 (Q=4.231 AU, arc=4 opp, H=18.9 ~562m) from PCTMO (2019 Sept. 28.18p2 & 2019 Sept. 28.23p2)
- K15O35L 2015 OL35 (Q=4.255 AU, arc=2 opp, H=18.1 ~812m) from ATLAS Mauna Loa (March 25.29-32p4)
- K15HB6U 2015 HU116 (arc=3 opp, H=19.9 ~355m) from MLS (March 25.16-18p4)
- K14Y35D 2014 YD35 (arc=2 opp, H=21.0 ~214m) from MLS (March 25.24-25p4)
- K10X11D 2010 XD11 (q=0.326 AU, Q=4.098 AU, arc=4 opp, H=17.9 ~891m) from Hormersdorf Obs. (March 25.85-86p3)
- K10U07E 2010 UE7 (arc=4 opp, H=19.2 ~490m) from Northolt Branch Obs. (March 24.93-95p3)
- K06D00Y 2006 DY (arc=3 opp, H=18.4 ~708m) from MLS (March 25.16-18p4)
- K01G02S 2001 GS2 (arc=3 opp, H=20.4 ~282m) from Landehen Obs. (March 23.96-97p2), ATLAS Mauna Loa (March 25.52-55p4), and QOS Obs. (March 25.88-91p12)
- q4530 524530 2002 XC91 from MLS (March 25.38-39p4)
- p0073 510073 2010 JF88 from MLS (March 25.42-43p4)
- k2041 462041 2007 DL8 from MLS (March 25.24-25p3)
- i8818 448818 2011 UU20 from ATLAS Mauna Loa (March 25.30-32p4)
- g5450 425450 2010 EV45 from ATLAS Mauna Loa (March 25.46-49p4)
- c8838 388838 2008 EZ5 from ATLAS Mauna Loa (March 25.38-40p4) and Hormersdorf Obs. (March 25.81-82p4)
- c6298 386298 2008 SR7 from MLS (March 25.16-17p4)
- X3555 333555 2005 VY17 from Landehen Obs. (March 23.92-97p4)
- V8050 318050 2004 FC32 from ATLAS Mauna Loa (March 25.42-44p4)
- R6732 276732 2004 EV9 from MLS (March 25.18-20p4) and ATLAS Mauna Loa (March 25.30-32p4)
- G3694 163694 2003 DP13 from MLS (March 25.20-22p4)
- G3692 163692 2003 CY18 from ATLAS Mauna Loa (March 25.38-40p4)
- G3243 163243 2002 FB3 from Tentlingen Obs. (March 24.81-85p4)
- G2080 162080 1998 DG16 from WISE (March 23.54p1, 23.61p1, 23.74p1, 23.87p1 & 23.99p1)
- G2039 162039 1996 JG from Pan-STARRS 1 (PS1) (March 25.46-49p3)
- F9928 159928 2005 CV69 from ATLAS Mauna Loa (March 25.60-63p4)
- F9635 159635 2002 CZ46 from PS1 (March 25.54-56p3)
- F9533 159533 2001 HH31 from MLS (March 25.36-37p4)
- F4993 154993 2005 EA94 from ATLAS Mauna Loa (March 25.45-48p4)
- E4411 144411 2004 EW9 from Campo dos Amarais Obs. (March 25.21-23p3)
- E3527 143527 2003 EN16 from PS2 (March 25.26-29p3)
- D8847 138847 2000 VE62 from Tentlingen Obs. (March 24.86-90p3)
- D7064 137064 1998 WP5 from ATLAS Mauna Loa (March 25.51-53p3)
- D6993 136993 1998 ST49 from ATLAS Mauna Loa (March 25.34-37p4)
- 86067 86067 1999 RM28 from ATLAS Mauna Loa (March 25.52-55p4)
- 85628 85628 1998 KV2 from MLS (March 25.44-45p4)
- 68350 68350 2001 MK3 from ATLAS Mauna Loa (March 25.58-61p4)
- 65690 65690 1991 DG from MLS (March 25.21-22p4), ATLAS Mauna Loa (March 25.30-32p4), and QOS Obs. (March 25.79-80p60)
- 54686 54686 2001 DU8 from ATLAS Mauna Loa (March 25.43-45p4)
- 52768 52768 1998 OR2 from Olmen Obs. (March 21.85-04p16 & 23.86-05p14), program code 1 via Kuban State Univ. Obs. (March 25.72-92p43), and West Park Obs. (March 25.84-88p4)
- 40267 40267 1999 GJ4 from ATLAS Mauna Loa (March 25.32-34p4)
- 30825 30825 1990 TG1 from ATLAS Mauna Loa (March 25.23-25p4)
- 18172 18172 2000 QL7 from ATLAS Mauna Loa (March 25.28-31p4)
- 11405 11405 1999 CV3 from ATLAS Mauna Loa (March 25.24-26p4)
- 11311 11311 Peleus (1993 XN2) from PS1 (March 25.54-56p3)
- 09400 9400 1994 TW1 from Landehen Obs. (March 23.86-91p5)
- 08566 8566 1996 EN from MLS (March 25.20-22p4) and ATLAS Mauna Loa (March 25.30-32p4)
- 07088 7088 Ishtar (1992 AA) from ATLAS Mauna Loa (March 25.45-47p4)
- 05693 5693 1993 EA from ATLAS Mauna Loa (March 25.32-35p4)
- 05626 5626 1991 FE from MLS (March 25.18-20p4) and ATLAS Mauna Loa (March 25.30-32p4)
- 04450 4450 Pan (1987 SY) from ATLAS Mauna Loa (March 25.23-25p4)
- 01864 1864 Daedalus (1971 FA) from ATLAS Mauna Loa (March 25.38-40p4)
- 01627 1627 Ivar (1929 SH) from ATLAS Mauna Loa (March 25.30-32p4)
- 01620 1620 Geographos (1951 RA) from PCTMO (2019 Sept. 24.15p1, 2019 Sept. 24.20-21p2, 2019 Sept. 28.19p2, 2019 Sept. 28.24p1 & 2019 Oct. 2.23p2)
MPEC 2020-F157 - "11:45 UT" - 2020 FT5
- K20F05T 2020 FT5 (Earth MOID=6.8 LD, H=25.9 ~22m) was picked up at 0931 UT on 25 March by MLS, observing it at March 25.40-44p7 and 25.51p4. This detection was confirmed by Schwarzschild Obs. (March 25.95p4 & 26.13p3), St. Pardon de Conques Obs. (March 26.05-06p3), Great Shefford Obs. (March 26.06-08p3), and ARO Westfield (March 26.35p4).
MPEC 2020-F156 - "11:44 UT" - 2020 FS5
- K20F05S 2020 FS5 (small asteroid, H=24.9 ~35m) was picked up at 0717 UT on 25 March by MLS, observing it at March 25.30-33p4 at G=21.3-22.6. This detection was confirmed by PS1 (March 24.54-56p3), Steward Mt. Lemmon Sta. (March 25.42-43p3 at G=21.7-22.2), Schwarzschild Obs. (March 26.01p3), and ARO Westfield (March 26.21-22p3).
MPEC 2020-F155 - "11:41 UT" - 2020 FR5
- K20F05R 2020 FR5 (H=21.2 ~195m) was picked up at 1146 UT on 24 March by MLS, observing it at March 24.49-50p4. This detection was confirmed by Steward Mt. Lemmon Sta. (March 24.51-52p3 & 25.41p3), St. Pardon de Conques Obs. (March 25.03-05p3), Schwarzschild Obs. (March 25.05p4, 25.16p3, 26.02p3 & 26.16p3), Visnjan Obs. (March 25.10-11p6), and ARO Westfield (March 26.40p3).
MPEC 2020-F154 - "04:16 UT" - 2020 FP5
- K20F05P 2020 FP5 (risk listed, Earth MOID=0.6 LD, H=29.7 ~4m, close passer, NHATS target) was picked up at 0803 UT on 25 March by MLS, observing it at March 25.34-35p3. This detection was confirmed by PS1 (March 24.52-56p4), Steward Mt. Lemmon Sta. (March 25.44-45p3), and Schwarzschild Obs. (March 25.96p3 at V=21.1-3 & 26.13p2 at V=21.8-22.3).
MPEC 2020-F153 - "04:00 UT" - 2020 FO5
- K20F05O 2020 FO5 (risk listed, q=0.359 AU, Q=6.086 AU, Earth MOID=8.6 LD, H=20.6 ~257m) was picked up at 1542 UT on 23 March by Purple Mtn. Obs. Xuyi Station, observing it at March 23.65-68p3 and 24.68-71p3. This detection was confirmed by Gisborne Obs. (March 25.53-55p3), Visnjan Obs. (March 25.88-89p4), St. Pardon de Conques Obs. (March 25.99p3), and Auger Obs. (March 26.03p3).
MPEC 2020-F152 - "03:57 UT" - 2020 FN5
- K20F05N 2020 FN5 (small asteroid, H=25.8 ~23m) was picked up at 1257 UT on 24 March by PS1, observing it at March 24.54-57p3. This detection was confirmed by Schwarzschild Obs. (March 24.94p3, 25.11-12p3, 25.88-89p3 & 26.11-12p3), Visnjan Obs. (March 24.98-99p2), and ARO Westfield (March 25.24p3).
MPEC 2020-F151 - "03:55 UT" - 2020 FM5
- K20F05M 2020 FM5 (Earth MOID=3.8 LD, H=28.7 ~6m, NHATS target) was picked up at 0627 UT on 24 March by MLS, observing it at March 24.27-28p3 and 25.23p3. This detection was confirmed by Steward Mt. Lemmon Sta. (March 24.31-32p4 & 24.40-41p4), Great Shefford Obs. (March 25.85-88p4), and Visnjan Obs. (March 25.89-90p4).
MPEC 2020-F150 - "03:52 UT" - 2020 FL5
- K20F05L 2020 FL5 (small asteroid, H=23.3 ~74m) was picked up at 1002 UT on 25 March by MLS, observing it at March 25.42-43p4. This detection was confirmed by PS2 (March 23.47-51p4), Steward Mt. Lemmon Sta. (March 25.49p4), Schwarzschild Obs. (March 25.95-96p3 & 26.12-13p3), and St. Pardon de Conques Obs. (March 26.02-03p3).
MPEC 2020-F149 - "03:48 UT" - 2020 FK5
- K20F05K 2020 FK5 (H=20.7 ~245m) was picked up at 0819 UT on 23 March by PS1, observing it at March 22.25-28p3 and 23.35-37p3. This detection was confirmed by R. Wainscoat on Mauna Kea (March 24.33p3), Schwarzschild Obs. (March 25.85-86p3), and ARO Westfield (March 26.06p2 at V=22.0-22.1).
MPEC 2020-F148 - "03:45 UT" - 2020 FJ5
- K20F05J 2020 FJ5 (Earth MOID=7.3 LD, H=26.0 ~21m) was picked up at 0810 UT on 25 March by CSS, observing it at March 25.34-36p4. This detection was confirmed by PS1 (March 23.46-50p3), Steward Mt. Lemmon Sta. (March 25.44p4), Visnjan Obs. (March 25.87p4), Drebach Obs. (March 25.88-90p4), Hoyerswerda Obs. (March 25.89p4), KLENOT (March 25.90p3), Schwarzschild Obs. (March 25.93p3), St. Pardon de Conques Obs. (March 25.94-95p3), Guidestar Obs. (March 25.97-99p3), and Great Shefford Obs. (March 25.99p4).
MPEC 2020-F147 - "01:44 UT" - 2020 FH5
- K20F05H 2020 FH5 (small asteroid, H=23.1 ~81m) was picked up at 0703 UT on 24 March by MLS, observing it at March 24.29-31p4 and 24.37p4. This detection was confirmed by Schwarzschild Obs. (March 24.97p3 at V=20.9-21.2, 25.14p2 at V=20.9-21.4 & 25.94p3 at V=21.7-22.5), Great Shefford Obs. (March 25.02-03p2), ARO Westfield (March 25.18-19p3), and Steward Mt. Lemmon Sta. (March 25.33-34p4 at G=22.0-23.7).
MPEC 2020-F146 - "01:37 UT" - 2020 FG5
- K20F05G 2020 FG5 (small asteroid, H=25.3 ~29m) was picked up at 0456 UT on 24 March by MLS, observing it at March 24.21-22p4. This detection was confirmed by Steward Mt. Lemmon Sta. (March 24.30p3), Schwarzschild Obs. (March 24.83p3, 25.07-08p3 & 25.82-83p3), Visnjan Obs. (March 24.84-85p4), ARO Westfield (March 25.12-13p3), and Great Shefford Obs. (March 25.89-92p3).
MPEC 2020-F145 - "01:34 UT" - 2020 FF5
- K20F05F 2020 FF5 (small asteroid, H=24.8 ~37m) was picked up at 0926 UT on 24 March by PS2, observing it at March 24.39-43p4. This detection was confirmed by Schwarzschild Obs. (March 24.82p3, 25.07p3 & 25.79p4), St. Pardon de Conques Obs. (March 24.89-91p2), Visnjan Obs. (March 24.95-96p3), KLENOT (March 24.96p4), ARO Westfield (March 25.20p3), Tebbutt Obs. (March 25.23-25p2), and Great Shefford Obs. (March 26.01-04p3).
MPEC 2020-F144 - "00:40 UT" - Comet P/2020 F1 (Leonard)
- PK20F010 P/2020 F1 (Leonard) (q=3.983 AU, Q=9.669 AU, TP=2019 Aug. 29.16316 TT) was picked up at 0752 UT on 16 March by MLS, observing it at Feb. 16.37-39p4, 27.40-42p4, and March 16.33-45p12. This detection was confirmed by PS1 (2019 Jan. 3.54-56p2, 2019 Jan. 10.37-39p3, 2019 Dec. 27.60-63p3, Jan. 25.57-60p4 & 31.55-57p3), PS2 (2019 Dec. 8.63-64p3 & Jan. 23.59-62p4), Steward Mt. Lemmon Sta. (March 17.24-25p3), Hidetaka Sato via iTelescope Obs. Siding Spring (March 17.53p2), Schwarzschild Obs. (March 17.96p3 & 18.90-91p3), Schiaparelli Obs. (March 18.03p1, 18.08p1 & 19.06-08p2), LCO Siding Spring A (March 18.54p3), LCO Siding Spring B (March 18.59p2), KLENOT (March 18.83-84p4 & 19.83p3), Altschwendt Obs. (March 18.95-99p3), Visnjan Obs. (March 19.02-04p3), Crni Vrh Obs. (March 19.94p1 & 20.05p1), Tebbutt Obs. (March 20.18-20p2), Great Shefford Obs. (March 20.96-98p2), and Sandlot Obs. (March 21.24-28p4).
Observers on 26 March '20
A total of 48 observers appear in today's MPECs.
Code | Observer / observatory |
---|---|
A44 | Altschwendt Obs. in Austria, 1 in MPEC 2020-F144 -- P/2020 F1 |
H21 | Astronomical Research Obs. Westfield in Illinois, 21 in MPECs 2020-F145, 2020-F146, 2020-F147, 2020-F149, 2020-F152, 2020-F155, 2020-F156, 2020-F157, 2020-F158, 2020-F160, 2020-F162 & 2020-F163 -- 2020 FZ, 2020 FX5, 2020 FX1, 2020 FW5, 2020 FV3, 2020 FU5, 2020 FU1, 2020 FT5, 2020 FS5, 2020 FR5, 2020 FN5, 2020 FM2, 2020 FK5, 2020 FH5, 2020 FH1, 2020 FG5, 2020 FG1, 2020 FF5, 2020 FE1, 2020 AA3, 2017 JU2 |
T08 | ATLAS Mauna Loa in Hawaii, 33 in MPEC 2020-F158 -- 2020 FW2, 2019 XG1, 2019 SH6, 2015 OL35, 2015 FC35, 2001 GS2, 86067, 68350, 65690, 54686, 448818, 425450, 40267, 388945, 388838, 318050, 30825, 276732, 18172, 163692, 159928, 154993, 137064, 136993, 11405, 8566, 7088, 5693, 5626, 4450, 2102, 1864, 1627 |
I47 | Auger Obs. in Argentina, 1 in MPEC 2020-F153 -- 2020 FO5 |
X74 | Campo dos Amarais Obs., 1 in MPEC 2020-F158 -- 144411 |
703 | Catalina Sky Survey (CSS) in Arizona, 2 in MPECs 2020-F148 & 2020-F162 -- 2020 FW5, 2020 FJ5 |
Z99 | Clixby Obs. in England, 4 in MPECs 2020-F158 & 2020-F162 -- 2020 FW5, 2020 FV4, 2020 FF4, 2020 FE2 |
850 | Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2020-F162 -- 2020 FW5 |
106 | Crni Vrh Obs. in Slovenia, 1 in MPEC 2020-F144 -- P/2020 F1 |
K87 | Dettelbach Vineyard Obs. in Germany, 10 in MPECs 2020-F158 & 2020-F162 -- 2020 FX4, 2020 FW5, 2020 FW4, 2020 FS3, 2020 FS1, 2020 FO2, 2020 FF4, 2020 FE2, 2020 FB5, 2020 FB |
113 | Drebach Obs. in Germany, 1 in MPEC 2020-F148 -- 2020 FJ5 |
734 | Farpoint Obs. in Kansas, 1 in MPEC 2020-F158 -- 2020 DT3 |
E94 | Gisborne Obs. in New Zealand, 1 in MPEC 2020-F153 -- 2020 FO5 |
J95 | Great Shefford Obs. in England, 9 in MPECs 2020-F144, 2020-F145, 2020-F146, 2020-F147, 2020-F148, 2020-F151, 2020-F157, 2020-F158 & 2020-F162 -- 2020 FZ2, 2020 FW5, 2020 FT5, 2020 FM5, 2020 FJ5, 2020 FH5, 2020 FG5, 2020 FF5, P/2020 F1 |
A17 | Guidestar Obs. in Germany, 3 in MPECs 2020-F148 & 2020-F158 -- 2020 FY4, 2020 FW4, 2020 FJ5 |
A35 | Hormersdorf Obs. in Germany, 3 in MPEC 2020-F158 -- 2019 XG1, 2010 XD11, 388838 |
C43 | Hoyerswerda Obs. in Germany, 2 in MPECs 2020-F148 & 2020-F158 -- 2020 FW4, 2020 FJ5 |
Q621 | Hidetaka Sato in Japan via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-F144 -- P/2020 F1 |
246 | KLENOT in the Czech Republic, 12 in MPECs 2020-F144, 2020-F145, 2020-F148 & 2020-F158 -- 2020 FW2, 2020 FV2, 2020 FO2, 2020 FJ5, 2020 FH4, 2020 FF5, 2020 FE2, 2020 FB, P/2020 F1, 2020 EH, 2020 DT3, 2019 SN10 |
C401 | program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-F158 -- 52768 |
Z43 | Landehen Obs., 3 in MPEC 2020-F158 -- 2001 GS2, 333555, 9400 |
Q63 | LCO Siding Spring A in New South Wales, 1 in MPEC 2020-F144 -- P/2020 F1 |
Q64 | LCO Siding Spring B in New South Wales, 1 in MPEC 2020-F144 -- P/2020 F1 |
568^ | R. Wainscoat on Mauna Kea in Hawaii, 1 in MPEC 2020-F149 -- 2020 FK5 |
G96 | Mt. Lemmon Survey (MLS) in Arizona, 36 in MPECs 2020-F144, 2020-F146, 2020-F147, 2020-F150, 2020-F151, 2020-F154, 2020-F155, 2020-F156, 2020-F157, 2020-F158, 2020-F160, 2020-F161 & 2020-F163 -- 2020 FX5, 2020 FV5, 2020 FU5, 2020 FT5, 2020 FS5, 2020 FR5, 2020 FP5, 2020 FO1, 2020 FM5, 2020 FL5, 2020 FH5, 2020 FG5, 2020 FE, 2020 FB4, P/2020 F1, 2020 DR2, 2020 BX6, 2019 YD2, 2017 RQ16, 2016 EE157, 2015 HU116, 2015 FC35, 2014 YD35, 2012 EM8, 2006 DY, 85628, 65690, 524530, 510073, 462041, 386298, 276732, 163694, 159533, 8566, 5626 |
Z80 | Northolt Branch Obs. in England, 1 in MPEC 2020-F158 -- 2010 UE7 |
C23 | Olmen Obs. in Belgium, 1 in MPEC 2020-F158 -- 52768 |
F51 | Pan-STARRS 1 (PS1) in Hawaii, 9 in MPECs 2020-F144, 2020-F148, 2020-F149, 2020-F152, 2020-F154, 2020-F156 & 2020-F158 -- 2020 FS5, 2020 FP5, 2020 FN5, 2020 FK5, 2020 FJ5, P/2020 F1, 162039, 159635, 11311 |
F52 | Pan-STARRS 2 (PS2) in Hawaii, 5 in MPECs 2020-F144, 2020-F145, 2020-F150 & 2020-F158 -- 2020 FL5, 2020 FF5, P/2020 F1, 2019 XG, 143527 |
H45 | Petit Jean Mtn. South Obs. in Arkansas, 1 in MPEC 2020-F158 -- 2020 DT3 |
6581 | Dave Balam via Plaskett 1.8m Telescope in British Columbia, 1 in MPEC 2020-F158 -- 2020 FR3 |
654 | Pomona College Table Mtn. Obs. (PCTMO) in southern California, 5 in MPEC 2020-F158 -- 2019 SX3, 2019 RY, 2017 MN8, 2015 RZ35, 1620 |
D29 | Purple Mtn. Obs. Xuyi Station in China, 1 in MPEC 2020-F153 -- 2020 FO5 |
L18 | QOS Obs., 6 in MPEC 2020-F158 -- 2020 FW2, 2020 EH, 2020 DT3, 2015 FC35, 2001 GS2, 65690 |
H36 | Sandlot Obs. in Kansas, 1 in MPEC 2020-F144 -- P/2020 F1 |
C95 | SATINO-1 in France, 1 in MPEC 2020-F158 -- 2019 XU2 |
204 | Schiaparelli Obs. in Italy, 1 in MPEC 2020-F144 -- P/2020 F1 |
033 | Schwarzschild Obs. in Germany, 20 in MPECs 2020-F144, 2020-F145, 2020-F146, 2020-F147, 2020-F148, 2020-F149, 2020-F150, 2020-F152, 2020-F154, 2020-F155, 2020-F156, 2020-F157, 2020-F158, 2020-F160, 2020-F161, 2020-F162 & 2020-F163 -- 2020 FY4, 2020 FX5, 2020 FX4, 2020 FW5, 2020 FW4, 2020 FV5, 2020 FV4, 2020 FU5, 2020 FT5, 2020 FS5, 2020 FR5, 2020 FP5, 2020 FN5, 2020 FL5, 2020 FK5, 2020 FJ5, 2020 FH5, 2020 FG5, 2020 FF5, P/2020 F1 |
W885 | M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-F158 -- 2017 ES2 |
I93 | St. Pardon de Conques Obs. in France, 7 in MPECs 2020-F145, 2020-F148, 2020-F150, 2020-F153, 2020-F155, 2020-F157 & 2020-F162 -- 2020 FW5, 2020 FT5, 2020 FR5, 2020 FO5, 2020 FL5, 2020 FJ5, 2020 FF5 |
I52 | Steward Obs. Mt. Lemmon Station in Arizona, 15 in MPECs 2020-F144, 2020-F146, 2020-F147, 2020-F148, 2020-F150, 2020-F151, 2020-F154, 2020-F155, 2020-F156, 2020-F158, 2020-F160, 2020-F162 & 2020-F163 -- 2020 FZ2, 2020 FX5, 2020 FW5, 2020 FU5, 2020 FS5, 2020 FR5, 2020 FP5, 2020 FN3, 2020 FM5, 2020 FL5, 2020 FJ5, 2020 FH5, 2020 FG5, 2020 FB4, P/2020 F1 |
858 | Tebbutt Obs. in New Mexico, 2 in MPECs 2020-F144 & 2020-F145 -- 2020 FF5, P/2020 F1 |
A16 | Tentlingen Obs. in Switzerland, 3 in MPEC 2020-F158 -- 2019 XG1, 163243, 138847 |
T12 | UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPECs 2020-F158 & 2020-F159 -- 2019 JD7, 2010 EF44 |
T14 | UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 1 in MPEC 2020-F159 -- 2010 EF44 |
L01 | Visnjan Obs. in Croatia, 10 in MPECs 2020-F144, 2020-F145, 2020-F146, 2020-F148, 2020-F151, 2020-F152, 2020-F153, 2020-F155, 2020-F160 & 2020-F162 -- 2020 FW5, 2020 FU5, 2020 FR5, 2020 FO5, 2020 FN5, 2020 FM5, 2020 FJ5, 2020 FG5, 2020 FF5, P/2020 F1 |
Z92 | West Park Obs. in England, 1 in MPEC 2020-F158 -- 52768 |
C51 | WISE in Earth polar orbit, 1 in MPEC 2020-F158 -- 162080 |
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page. |
Impact Risk Monitoring on 26 March '20
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 FP5 | NEODyS | 1630 | 2110-2118 | 12 | 4.15e-07 | -9.08 | -9.51 | 0 | NEODyS: "Based on 15 optical observations (of which 0 are rejected as outliers) from 2020-03-24.520 to 2020-03-26.133." |
JPL Sentry | 0600 | 2115-2117 | 7 | 1.74034e-06 | -8.45 | -8.71 | 0 | JPL: Computed at 22:36 March 25th Pacific time based on 15 observations spanning 1.6123 days (2020-Mar-24.519498 to 2020-Mar-26.13184). Diameter approximately 0.004 km. from weighted mean H=29.74. | |
2020 FO5 | NEODyS | 1630 | 2067-2107 | 4 | 3.7e-09 | -5.98 | -6.22 | 0 | NEODyS: "Based on 19 optical observations (of which 0 are rejected as outliers) from 2020-03-23.655 to 2020-03-26.033." |
JPL Sentry | 0500 | 2067-2101 | 4 | 2.6752e-09 | -6.03 | -6.35 | 0 | JPL: Computed at 21:57 March 25th Pacific time based on 19 observations spanning 2.3776 days (2020-Mar-23.65437 to 2020-Mar-26.03197). Diameter approximately 0.258 km. from weighted mean H=20.59. | |
2020 FA5 | NEODyS | 1630 | 2049-2118 | 61 | 2.25e-07 | -4.48 | -5.07 | 0 | NEODyS: "Based on 16 optical observations (of which 0 are rejected as outliers) from 2020-03-22.252 to 2020-03-25.903." |
JPL Sentry | 0100 | 2043-2119 | 81 | 6.675149e-07 | -3.86 | -4.53 | 0 | JPL: Computed at 17:44 March 25th Pacific time based on 16 observations spanning 3.6513 days (2020-Mar-22.25113 to 2020-Mar-25.90243). Diameter approximately 0.212 km. from weighted mean H=21.04. | |
2020 FR3 | JPL Sentry | 1630 | 2028-2058 | 4 | 1.7316e-09 | -5.95 | -6.00 | 0 | JPL: Computed at 07:02 today Pacific time based on 64 observations spanning 2.9689 days (2020-Mar-22.255297 to 2020-Mar-25.22419). Diameter approximately 0.230 km. from weighted mean H=20.85. |
2020 FN3 | JPL Sentry | 1630 | 2048-2119 | 33 | 1.013937e-06 | -6.05 | -6.48 | 0 | JPL: Computed at 07:14 today Pacific time based on 30 observations spanning 3.7821 days (2020-Mar-22.36744 to 2020-Mar-26.14953). Diameter approximately 0.047 km. from weighted mean H=24.31. |
NEODyS | 1630 | 2087-2116 | 19 | 1.18e-06 | -6.01 | -6.51 | 0 | NEODyS: "Based on 30 optical observations (of which 1 are rejected as outliers) from 2020-03-22.368 to 2020-03-26.150." | |
2020 FZ2 | JPL Sentry | 1630 | 2110-2118 | 3 | 1.0878e-06 | -6.00 | -6.24 | 0 | JPL: Computed at 07:22 today Pacific time based on 31 observations spanning 3.8128 days (2020-Mar-22.30792 to 2020-Mar-26.12075). Diameter approximately 0.032 km. from weighted mean H=25.10. |
NEODyS | 1630 | 2110-2118 | 8 | 1.29e-06 | -5.94 | -6.25 | 0 | NEODyS: "Based on 33 optical observations (of which 2 are rejected as outliers) from 2020-03-22.309 to 2020-03-26.122." |
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 26 March '20
Times are UTC for when items were noted or added by The Tracking News.
2358 | Grabbed MPEC 2020-F161 - 2020 FV5 - see above Grabbed MPEC 2020-F162 - 2020 FW5 - see above Grabbed MPEC 2020-F163 - 2020 FX5 - see above |
2301 | Grabbed MPEC 2020-F160 - 2020 FU5 - see above |
1630 | Noted that NEODyS has posted 2020 FA5 as an impact risk - see above Noted that JPL Sentry has updated its 2020 FN3 risk assessment - see above Noted that NEODyS has updated its 2020 FN3 risk assessment - see above Noted that NEODyS has posted 2020 FO5 as an impact risk - see above Noted that NEODyS has posted 2020 FP5 as an impact risk - see above Noted that JPL Sentry has updated its 2020 FR3 risk assessment - see above Noted that JPL Sentry has updated its 2020 FZ2 risk assessment - see above Noted that NEODyS has updated its 2020 FZ2 risk assessment - see above Grabbed MPEC 2020-F155 - 2020 FR5 - see above Grabbed MPEC 2020-F156 - 2020 FS5 - see above Grabbed MPEC 2020-F157 - 2020 FT5 - see above Grabbed MPEC 2020-F158 - Daily Orbit Update - see above Grabbed MPEC 2020-F159 - 2010 EF44 - see above |
0600 | Noted that JPL Sentry has posted 2020 FP5 as an impact risk - see above |
0500 | Noted that JPL Sentry has posted 2020 FO5 as an impact risk - see above Grabbed MPEC 2020-F145 - 2020 FF5 - see above Grabbed MPEC 2020-F146 - 2020 FG5 - see above Grabbed MPEC 2020-F147 - 2020 FH5 - see above Grabbed MPEC 2020-F148 - 2020 FJ5 - see above Grabbed MPEC 2020-F149 - 2020 FK5 - see above Grabbed MPEC 2020-F150 - 2020 FL5 - see above Grabbed MPEC 2020-F151 - 2020 FM5 - see above Grabbed MPEC 2020-F152 - 2020 FN5 - see above Grabbed MPEC 2020-F153 - 2020 FO5 - see above Grabbed MPEC 2020-F154 - 2020 FP5 - see above |
0100 | Noted that JPL Sentry has posted 2020 FA5 as an impact risk - see above Grabbed MPEC 2020-F144 - Comet P/2020 F1 (Leonard) - see above |