2020-02-26 Tracking News

Contents on 26 February '20

IAU Minor Planet Center
- NEOCP Activity -- 20 listings
- New MPECs -- nine MPECs
Observers -- 50 observers
Impact Risk Monitoring -- four objects
Chronology

Asteroid/Comet Connection (A/CC) Resources:

Consolidated Risk Tables - the CRT page
Of 1106 risk-listed objects, 61 have had news in the last 31 days. Updated at 1803 UTC on 26 Feb.
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 February '20

The MPC's NEO Confirmation Page has 20 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 20 objects listed. Of these, seven were "one nighters." So far The Tracking News has counted a total of 33 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 February '20

Minor Planet Electronic Circulars

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

MPEC 2020-D105 time-stamped "00:57 UT" - 2020 DB3 - see below
MPEC 2020-D106 time-stamped "01:03 UT" - 2020 DC3 - see below
MPEC 2020-D107 time-stamped "02:09 UT" - 2020 DD3 - see below
MPEC 2020-D108 time-stamped "02:12 UT" - 2020 DE3 - see below
MPEC 2020-D109 time-stamped "02:13 UT" - 2020 DF3 - see below
MPEC 2020-D110 time-stamped "04:09 UT" - 2020 DG3 - see below
MPEC 2020-D111 time-stamped "12:19 UT" - Daily Orbit Update - see below
MPEC 2020-D112 time-stamped "15:00 UT" - 2016 YY7 - see below
MPEC 2020-D113 time-stamped "20:12 UT" - 2020 DJ3

MPEC 2020-D113 - "20:12 UT" - 2020 DJ3

K20D03J 2020 DJ3 (small asteroid, H=24.4 ~45m) was picked up at 0405 UT on 25 Feb. by the Mt. Lemmon Survey (MLS), observing it at Feb. 25.17-19p4. This detection was confirmed by the Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) (Feb. 25.22p4 & 25.40p3), Schwarzschild Obs. (Feb. 25.77-78p4, 26.05p2 & 26.77p2), Steward Obs. Mt. Lemmon Station (Feb. 26.13p4), and Pomona College Table Mtn. Obs. (PCTMO) (Feb. 26.22-29p4).

MPEC 2020-D112 - "15:00 UT" - 2016 YY7

K16Y07Y 2016 YY7 (H=20.7 ~245m) from UH/Tholen NEO Follow-Up 2.24m Telescope (Jan. 29.60p1 at G=24.38 & 30.62-64p3 at G=23.93-94)

<< DOU on 26 February '20 >> MPEC 2020-D111 - "12:19 UT" - Daily Orbit Update

Observations of risk-listed objects
K20D03F 2020 DF3 (small asteroid, i=36.6°, arc=2 days, H=24.1 ~51m, close passer) from Mountainville Obs. (Feb. 26.12p1 & 26.17p1) and Steward Mt. Lemmon Sta. (Feb. 26.22p4)
K20D02R 2020 DR2 (arc=6 days, H=18.8 ~589m) from Astronomical Research Obs. Westfield (Feb. 21.07-08p5), ATLAS Mauna Loa (Feb. 25.35-37p4), ESA Optical Ground Station (ESA OGS) (Feb. 25.85p2), and the Spacewatch 0.9m telescope (Feb. 26.18-20p3)
K20D02C 2020 DC2 (arc=9 days, H=19.2 ~490m) from Tholen 2.24m (Feb. 25.36p2)
Observations of recently (no longer) risk-listed objects
K20B15P 2020 BP15 (almost small, Q=4.226 AU, arc=25 days, H=22.0 ~135m) from MLS (Feb. 25.12-14p3)
Observations of close-passing objects
K20D03D 2020 DD3 (arc=2 days, H=24.9 ~35m) from Mountainville Obs. (Feb. 26.10-11p2 & 26.16p1)
K20D02Y 2020 DY2 (arc=5 days, H=25.1 ~32m) from CSS-Kuiper (Feb. 25.53p2 at G=21.5-22.3)
K20D01Z 2020 DZ1 (arc=8 days, H=24.0 ~54m) from Northolt Branch Obs. (Feb. 25.08-09p4), ATLAS Mauna Loa (Feb. 25.48-50p3), Mt. John Obs. (Feb. 25.52p5), and Steward Mt. Lemmon Sta. (Feb. 26.18p4)
K20D00C 2020 DC (arc=9 days, H=26.7 ~15m, NHATS target) from Mt. John Obs. (Feb. 25.57p4)
K20C03B 2020 CB3 (arc=11 days, H=24.5 ~43m) from Steward Mt. Lemmon Sta. (Feb. 26.19-20p3)
K19Y04F 2019 YF4 (arc=28 days, H=27.0 ~13m, NHATS target) from PCTMO (Jan. 12.37-38p2)
Observation campaigns (NHATS targets, radar support)
K20C03A 2020 CA3 (arc=10 days, H=25.4 ~28m, NHATS) from Mt. John Obs. (Feb. 25.50p4)
K20C02Y 2020 CY2 (arc=11 days, H=27.6 ~10m, NHATS) from Steward Mt. Lemmon Sta. (Feb. 26.23p2)
K20B16C 2020 BC16 (arc=33 days, H=25.1 ~32m, NHATS) from Steward Mt. Lemmon Sta. (Feb. 26.15p4)
K19Y03W 2019 YW3 (arc=63 days, H=22.8 ~93m, NHATS) from Mt. John Obs. (Feb. 25.56p4)
K17BC3M 2017 BM123 (arc=3 opp, H=23.8 ~59m, NHATS, radar) from AHS Obs. (Feb. 26.17-18p3)
K11UT2C 2011 UC292 (arc=2 opp, H=22.8 ~93m, NHATS) from Schwarzschild Obs. (Feb. 25.79p4)
K11G60D 2011 GD60 (arc=3 opp, H=21.7 ~155m, NHATS) from Schwarzschild Obs. (Feb. 25.89p3)
J0166 190166 2005 UP156 (radar) from ATLAS Mauna Loa (Feb. 25.51-54p4)
-- NHATS target table -- Planetary radar schedules: Arecibo & Goldstone
Observations of small asteroids (H>22.0)
K20D02X 2020 DX2 (arc=5 days, H=23.5 ~68m) from Mt. John Obs. (Feb. 25.60p3)
K20D02V 2020 DV2 (arc=5 days, H=25.1 ~32m) from Steward Mt. Lemmon Sta. (Feb. 26.17-18p2)
K20D02A 2020 DA2 (arc=7 days, H=22.7 ~98m) from ATLAS Mauna Loa (Feb. 25.53-55p4)
K20D00S 2020 DS (arc=10 days, H=24.8 ~37m) from CSS-Kuiper (Feb. 26.33p4)
K20C02H 2020 CH2 (arc=12 days, H=24.6 ~41m) from CSS-Kuiper (Feb. 26.29-30p2)
K20C01N 2020 CN1 (arc=23 days, H=22.7 ~98m) from Steward Mt. Lemmon Sta. (Feb. 26.15-16p3)
K20C01B 2020 CB1 (Q=4.289 AU, arc=30 days, H=25.1 ~32m) from Steward Mt. Lemmon Sta. (Feb. 26.24p4)
K20B11E 2020 BE11 (arc=26 days, H=22.5 ~107m) from ARO Westfield (Feb. 17.12-13p3 at V=22.0-22.2)
K15F00S 2015 FS (arc=2 opp, H=23.9 ~56m) from Schwarzschild Obs. (Feb. 25.81p3 at V=21.4-22.1)
K15Bo9K 2015 BK509 (arc=2 opp, H=22.4 ~112m) from Schwarzschild Obs. (Feb. 25.75p3) and Spacewatch 0.9m (Feb. 26.18-21p3)
K10A30E 2010 AE30 (arc=3 opp, H=23.6 ~65m) from PCTMO (Jan. 12.35-39p2, 13.29p1 & 13.34-38p2)
Observations of other objects
K20D03B 2020 DB3 (arc=9 days, H=20.5 ~269m) from Schwarzschild Obs. (Feb. 26.04p3)
K20D02P 2020 DP2 (Q=4.675 AU, arc=6 days, H=21.4 ~178m) from Frasso Sabino Obs. (Feb. 23.07p2) and McDonald Obs. (Feb. 26.43-44p3)
K20D02G 2020 DG2 (arc=22 days, H=19.7 ~389m) from McDonald Obs. (Feb. 26.13-14p3)
K20D01F 2020 DF1 from Steward Mt. Lemmon Sta. (Feb. 26.18-19p2)
K20D00X 2020 DX (arc=9 days, H=20.2 ~309m) from ATLAS Mauna Loa (Feb. 25.37-39p3)
K20D00Q 2020 DQ (arc=9 days, H=21.5 ~170m) from MLS (Feb. 25.10-12p4) and PCTMO (Feb. 25.17p1 & 25.26p1)
K20C02Z 2020 CZ2 (arc=12 days, H=21.6 ~162m) from Steward Mt. Lemmon Sta. (Feb. 26.27-28p3 at G=20.8-22.6) and McDonald Obs. (Feb. 26.40-41p3)
K20B14X 2020 BX14 (Q=4.833 AU, arc=28 days, H=20.1 ~323m) from Steward Mt. Lemmon Sta. (Feb. 26.17-18p3)
K20B12Z 2020 BZ12 from Gravina Obs. (Feb. 24.79p2) and ATLAS Mauna Loa (Feb. 25.36-37p4)
K20B11H 2020 BH11 (Q=4.050 AU, arc=78 days, H=21.4 ~178m) from the Catalina Sky Survey (CSS) (Feb. 25.28-30p4)
K20B08G 2020 BG8 (arc=64 days, H=21.0 ~214m) from ARO Westfield (Feb. 14.35p3) and McDonald Obs. (Feb. 26.42-43p3)
K20B03X 2020 BX3 (arc=63 days, H=19.6 ~407m) from MLS (Feb. 25.15-16p4)
K20B02E 2020 BE2 (arc=37 days, H=20.2 ~309m) from Santa Maria de Montmagastrell Obs. (Feb. 24.08-11p3) and CSS (Feb. 25.38-40p4)
K20A02Z 2020 AZ2 (arc=50 days, H=21.2 ~195m) from ATLAS Mauna Loa (Feb. 25.47-50p4)
K20A00J 2020 AJ (arc=84 days, H=20.5 ~269m) from CSS-Kuiper (Feb. 26.31p4)
K19X02W 2019 XW2 (arc=71 days, H=19.8 ~371m) from PCTMO (Jan. 13.39p2)
K19X01G 2019 XG1 (Q=4.163 AU, arc=2 opp, H=19.2 ~490m) from CSS (Feb. 25.30p1 & 25.39-40p2)
K19U15J 2019 UJ15 (arc=129 days, H=19.5 ~426m) from Mt. John Obs. (Feb. 25.42-43p3)
K19U00O 2019 UO (Q=4.343 AU, arc=145 days, H=20.1 ~323m) from MASTER-II Sutherland (Feb. 25.05p2)
K19S06H 2019 SH6 (arc=2 opp, H=20.0 ~339m) from PCTMO (Jan. 13.48p2)
K19L06F 2019 LF6 (IEO, q=0.317 AU, Q=0.794 AU, arc=61 days, H=17.2 ~1.23 km) from the Zwicky Transient Facility (ZTF) (2019 May 6.17p4)
K19B02T 2019 BT2 (arc=2 opp, H=20.6 ~257m) from Schwarzschild Obs. (Feb. 25.86p3)
K19B01O 2019 BO1 (arc=2 opp, H=19.6 ~407m) from Schwarzschild Obs. (Feb. 25.82p3)
K18V03G 2018 VG3 (arc=2 opp, H=20.9 ~224m) from Schwarzschild Obs. (Feb. 25.87-88p3)
K18B00P 2018 BP (arc=3 opp, H=20.7 ~245m) from MLS (Feb. 25.12-14p4)
K17X00D 2017 XD (i=38.4°, q=0.361 AU, arc=7 opp, H=17.5 ~1.07 km) from ATLAS Mauna Loa (Feb. 25.22-24p4)
K17F02P 2017 FP2 (arc=2 opp, H=20.7 ~245m) from the Spacewatch 1.8m telescope (Feb. 25.45-48p3 at R=22.1-6)
K17D37Q 2017 DQ37 (arc=2 opp, H=19.0 ~537m) from Schwarzschild Obs. (Feb. 25.83p3)
K17D15U 2017 DU15 (i=48.0°, arc=3 opp, H=20.8 ~234m) from MLS (Feb. 25.15-16p4)
K17B94B 2017 BB94 (arc=3 opp, H=20.3 ~295m) from Schwarzschild Obs. (Feb. 25.85p3)
K17B92E 2017 BE92 (i=40.8°, arc=2 opp, H=20.0 ~339m) from Schwarzschild Obs. (Feb. 25.82-83p3)
K17B31P 2017 BP31 (arc=3 opp, H=19.8 ~371m) from Schwarzschild Obs. (Feb. 25.77p3)
K16W01E 2016 WE1 (arc=4 opp, H=19.5 ~426m) from PCTMO (Jan. 13.28p1 & 13.33p1) and Schwarzschild Obs. (Feb. 25.77p3)
K16GL5Z 2016 GZ215 (arc=3 opp, H=20.8 ~234m) from CSS (Feb. 25.42-44p4)
K16F15G 2016 FG15 (Q=4.232 AU, arc=3 opp, H=19.9 ~355m) from Schwarzschild Obs. (Feb. 25.84p3)
K16AE7X 2016 AX147 (arc=4 opp, H=17.7 ~977m) from MLS (Feb. 25.15-16p4) and Spacewatch 0.9m (Feb. 25.36-41p3)
K15FX2S 2015 FS332 (arc=3 opp, H=18.4 ~708m) from CSS-Kuiper (Feb. 25.52-53p4 at G=22.2)
K15DK0E 2015 DE200 (arc=4 opp, H=20.2 ~309m) from MLS (Feb. 25.10-12p4)
K15A00B 2015 AB (arc=3 opp, H=20.1 ~323m) from Spacewatch 0.9m (Feb. 25.45-49p3)
K14Y43V 2014 YV43 (Q=5.170 AU, arc=3 opp, H=18.1 ~812m) from MLS (Feb. 25.17-19p4)
K14Y35D 2014 YD35 (arc=2 opp, H=21.0 ~214m) from CSS (Feb. 25.28-29p4)
K13P02V 2013 PV2 (arc=3 opp, H=20.0 ~339m) from PCTMO (Jan. 13.27-30p2)
K13C89L 2013 CL89 (arc=5 opp, H=19.4 ~446m) from ATLAS Mauna Loa (Feb. 25.45-47p4)
K12E02A 2012 EA2 (arc=4 opp, H=19.2 ~490m) from Pan-STARRS 2 (PS2) (Feb. 25.56-59p3)
K08E05E 2008 EE5 (i=44.8°, arc=4 opp, H=19.7 ~389m) from ATLAS Mauna Loa (Feb. 25.30-32p4)
K05S00Q 2005 SQ (arc=4 opp, H=20.1 ~323m) from MLS (Feb. 25.17-18p4)
K04C52H 2004 CH52 (arc=4 opp, H=19.8 ~371m) from ATLAS Mauna Loa (Feb. 25.47-50p4)
K03O03C 2003 OC3 (arc=5 opp, H=18.8 ~589m) from Gravina Obs. (Feb. 24.76-77p3)
K03A03A 2003 AA3 (arc=6 opp, H=20.2 ~309m) from SATINO-1 (Feb. 25.06-07p2)
K00WE8O 2000 WO148 (arc=4 opp, H=20.6 ~257m) from PS2 (Feb. 25.58-60p3)
p2244 512244 2015 YE18 from ATLAS Mauna Loa (Feb. 25.27-30p4)
p1523 511523 2014 QS439 from CSS (Feb. 25.21-22p3)
o0094 500094 2012 BC20 from AHS Obs. (Feb. 26.22-25p6)
n2143 492143 2013 OE from ATLAS Mauna Loa (Feb. 25.31-33p4)
n1565 491565 2012 QF49 from CSS (Feb. 25.49-50p4)
j9386 459386 2012 KJ11 from CSS (Feb. 25.25-27p4)
j5322 455322 2002 NX18 from MLS (Feb. 25.15-16p4)
h6037 436037 2009 NJ from ATLAS Mauna Loa (Feb. 25.31-33p4)
g4965 424965 2009 AM15 from ATLAS Mauna Loa (Feb. 25.30-32p4)
f6591 416591 2004 LC2 from CSS (Feb. 25.23-24p3)
f5267 415267 2013 BQ45 from CSS (Feb. 25.22-23p3)
b4188 374188 2005 AD3 from ATLAS Mauna Loa (Feb. 25.38-40p4)
Z4876 354876 2006 BG55 from MLS (Feb. 25.12-14p4 at G=22.1-5)
U6462 306462 1999 RC32 from ATLAS Mauna Loa (Feb. 25.56-58p4)
G3760 163760 2003 OR14 from ATLAS Mauna Loa (Feb. 25.26-28p4)
G3243 163243 2002 FB3 from Geyserland Obs. (Feb. 25.36-37p6)
G2038 162038 1996 DH from ATLAS Mauna Loa (Feb. 25.43-45p4)
F9454 159454 2000 DJ8 from Geyserland Obs. (Feb. 25.42-44p2)
F4993 154993 2005 EA94 from Northolt Branch Obs. (Feb. 25.06-07p4) and CSS (Feb. 25.52-53p4)
F4555 154555 2003 HA from ATLAS Mauna Loa (Feb. 25.63-65p4)
F2931 152931 2000 EA107 from ATLAS Mauna Loa (Feb. 25.62-63p4)
E3947 143947 2003 YQ117 from ATLAS Mauna Loa (Feb. 25.37-39p4)
E1765 141765 2002 MP3 from ATLAS Mauna Loa (Feb. 25.25-27p4)
D8127 138127 2000 EE14 from ATLAS Mauna Loa (Feb. 25.62-63p4)
D8013 138013 2000 CN101 from ATLAS Mauna Loa (Feb. 25.38-39p3)
D6993 136993 1998 ST49 from CSS (Feb. 25.42-44p4)
B5052 115052 2003 RD6 from MASTER-II Sutherland (Feb. 25.05p2)
A6589 106589 2000 WN107 from ATLAS Mauna Loa (Feb. 25.26-28p4)
A6538 106538 2000 WK63 from ATLAS Mauna Loa (Feb. 25.26-28p4)
90075 90075 2002 VU94 from ATLAS Mauna Loa (Feb. 25.39-41p4)
68548 68548 2001 XR31 from MLS (Feb. 25.12-14p4)
65690 65690 1991 DG from ATLAS Mauna Loa (Feb. 25.44-45p4) and Geyserland Obs. (Feb. 25.51-53p5)
54686 54686 2001 DU8 from ATLAS Mauna Loa (Feb. 25.56-58p4)
52768 52768 1998 OR2 from Forti Obs. (Feb. 20.90-94p6), CSS (Feb. 25.21-23p4), and program code 1 via Kuban State Univ. Obs. (Feb. 25.66-76p23)
36284 36284 2000 DM8 from MLS (Feb. 25.17-19p4)
35107 35107 1991 VH from CSS (Feb. 25.28-30p3)
30825 30825 1990 TG1 from ATLAS Mauna Loa (Feb. 25.37-39p4)
18172 18172 2000 QL7 from CSS (Feb. 25.21-23p4) and Geyserland Obs. (Feb. 25.45-47p3)
12923 12923 Zephyr (1999 GK4) from MLS (Feb. 25.10-12p4)
11066 11066 Sigurd (1992 CC1) from ATLAS Mauna Loa (Feb. 25.52-54p4)
08566 8566 1996 EN from ATLAS Mauna Loa (Feb. 25.44-46p4)
05693 5693 1993 EA from Geyserland Obs. (Feb. 25.54-59p5)
05626 5626 1991 FE from MLS (Feb. 25.17-19p4)
04055 4055 Magellan (1985 DO2) from ATLAS Mauna Loa (Feb. 25.62-64p4)
02059 2059 Baboquivari (1963 UA) from ATLAS Mauna Loa (Feb. 25.30-32p4)
01864 1864 Daedalus (1971 FA) from MASTER-II Sutherland (Feb. 24.90p1) and CSS (Feb. 25.38-40p4)
01627 1627 Ivar (1929 SH) from MLS (Feb. 25.17-19p4)

MPEC 2020-D110 - "04:09 UT" - 2020 DG3

K20D03G 2020 DG3 (Earth MOID=7.3 LD, H=27.4 ~11m, NHATS target) was picked up at 0405 UT on 25 Feb. by MLS, observing it at Feb. 25.17-19p4. This detection was confirmed by McDonald Obs. (Feb. 25.21-22p3), CSS-Kuiper (Feb. 25.24-25p4), Jana Pittichova Chesley via Table Mtn. Obs. (Feb. 25.27-28p2), Schwarzschild Obs. (Feb. 25.78p3 & 26.05-06p2), and Steward Mt. Lemmon Sta. (Feb. 26.13-14p4).

MPEC 2020-D109 - "02:13 UT" - 2020 DF3

K20D03F 2020 DF3 (risk listed, i=36.6°, Earth MOID=1.7 LD, H=24.0 ~54m, close passer) was picked up at 1040 UT on 24 Feb. by CSS, observing it at Feb. 24.44-46p3. This detection was confirmed by CSS-Kuiper (Feb. 24.50p4), Visnjan Obs. (Feb. 24.84p5), Paus Obs. (Feb. 24.86-87p2), Calar Alto Schmidt (Feb. 24.90-91p4), Savelli Obs. (Feb. 24.91-92p3), ROASTERR-1 (Feb. 24.94-95p2), SATINO-1 (Feb. 24.95-98p4), Great Shefford Obs. (Feb. 25.06-07p4), McDonald Obs. (Feb. 25.31-32p3), and Schwarzschild Obs. (Feb. 25.89-90p4).

MPEC 2020-D108 - "02:12 UT" - 2020 DE3

K20D03E 2020 DE3 (Earth MOID=6.5 LD, H=23.9 ~56m) was picked up at 1006 UT on 24 Feb. by ATLAS Mauna Loa, observing it at Feb. 24.42-44p4 and 24.51p5. This detection was confirmed by ATLAS Haleakala (Feb. 24.51p3), Mt. John Obs. (Feb. 24.67p4 & 25.44p3), Savelli Obs. (Feb. 24.89-90p3), Visnjan Obs. (Feb. 24.90-91p3), Calar Alto Schmidt (Feb. 24.98-99p5), Great Shefford Obs. (Feb. 25.02p3), Arcadia Obs. (Feb. 25.49-50p3), LCO Sutherland B (Feb. 25.80p3), and LCO Sutherland C (Feb. 25.82-83p4).

MPEC 2020-D107 - "02:09 UT" - 2020 DD3

K20D03D 2020 DD3 (Earth MOID=1.8 LD, H=24.9 ~35m) was picked up at 1215 UT on 24 Feb. by ATLAS Haleakala, observing it at Feb. 24.51-54p8. This detection was confirmed by Paus Obs. (Feb. 24.81-83p3), Calar Alto Schmidt (Feb. 24.81-83p4), Visnjan Obs. (Feb. 24.81-82p10), SATINO-1 (Feb. 24.82-83p3), ROASTERR-1 (Feb. 24.93p2), Castelmartini Obs. (Feb. 24.94-95p5), Savelli Obs. (Feb. 24.94-95p3), Northolt Branch Obs. (Feb. 24.98-03p3), Great Shefford Obs. (Feb. 25.04-06p4), Steward Mt. Lemmon Sta. (Feb. 25.15-16p4), Pittichova/Table Mtn. (Feb. 25.18-19p3), McDonald Obs. (Feb. 25.23p3), CSS (Feb. 25.28-30p4), Schwarzschild Obs. (Feb. 25.75p3 & 25.89p3), and North Obs. (Feb. 25.86-87p3).

MPEC 2020-D106 - "01:03 UT" - 2020 DC3

K20D03C 2020 DC3 (borderline-small, q=0.332 AU, H=21.9 ~141m) was picked up at 1206 UT on 22 Feb. by ATLAS Mauna Loa, observing it at Feb. 22.50-53p4 and 22.65p5. This detection was confirmed by SATINO-1 (Feb. 23.06-08p3), Squirrel Valley Obs. (Feb. 23.23-26p4), Schwarzschild Obs. (Feb. 23.93p3, 24.20p3 & 25.84p3), St. Pardon de Conques Obs. (Feb. 23.98-99p3), Schiaparelli Obs. (Feb. 24.08-09p3), Visnjan Obs. (Feb. 24.15-16p7 & 24.86-87p5), McCarthy Obs. (Feb. 24.21-23p4), ATLAS Haleakala (Feb. 24.60-66p9), Lothar Kurtze via Faulkes Telescope North (Feb. 24.66-67p3), Savelli Obs. (Feb. 24.87p3), ROASTERR-1 (Feb. 24.91-92p3), Calar Alto Schmidt (Feb. 24.93-95p3), Paus Obs. (Feb. 24.95-96p3), Northolt Branch Obs. (Feb. 25.04-06p4), Great Shefford Obs. (Feb. 25.07-08p4), Galilei Obs. (Feb. 25.18-19p2), McDonald Obs. (Feb. 25.33p3), and Pittichova/Table Mtn. (Feb. 25.41-42p2).

MPEC 2020-D105 - "00:57 UT" - 2020 DB3

K20D03B 2020 DB3 (H=20.5 ~269m) was picked up at 1139 UT on 17 Feb. by CSS, observing it at Feb. 17.49-50p4. This detection was confirmed by Steward Mt. Lemmon Sta. (Feb. 17.52p4, 18.50p4 & 20.53p4), Schwarzschild Obs. (Feb. 18.13p2, 19.15p3, 20.05p2, 21.17p3, 22.05p2 & 24.06-07p3), Sormano Obs. (Feb. 18.99-00p3), Visnjan Obs. (Feb. 19.11p5), SATINO-1 (Feb. 20.11-14p2), Chante-Perdrix Obs. (Feb. 20.19-21p2), Shinshiro Obs. (Feb. 20.77-78p3), Schiaparelli Obs. (Feb. 21.19-20p2), MLS (Feb. 21.50-51p4), Cordell-Lorenz Obs. (Feb. 22.45-46p3), and Great Shefford Obs. (Feb. 25.09-11p3).

Observers on 26 February '20

A total of 50 observers appear in today's MPECs.

Code	Observer / observatory
`U71`	AHS Obs., 2 in MPEC 2020-D111 -- 2017 BM123, 500094
`E23`	Arcadia Obs. in New South Wales, 1 in MPEC 2020-D108 -- 2020 DE3
`H21`	Astronomical Research Obs. Westfield in Illinois, 3 in MPEC 2020-D111 -- 2020 DR2, 2020 BG8, 2020 BE11
`T05`	ATLAS Haleakala in Hawaii, 3 in MPECs 2020-D106, 2020-D107 & 2020-D108 -- 2020 DE3, 2020 DD3, 2020 DC3
`T08`	ATLAS Mauna Loa in Hawaii, 37 in MPECs 2020-D106, 2020-D108 & 2020-D111 -- 2020 DZ1, 2020 DX, 2020 DR2, 2020 DE3, 2020 DC3, 2020 DA2, 2020 BZ12, 2020 AZ2, 2017 XD, 2013 CL89, 2008 EE5, 2004 CH52, 90075, 65690, 54686, 512244, 492143, 436037, 424965, 374188, 30825, 306462, 190166, 163760, 162038, 154555, 152931, 143947, 141765, 138127, 138013, 11066, 106589, 106538, 8566, 4055, 2059
`Z84`	Calar Alto Schmidt in Spain, 4 in MPECs 2020-D106, 2020-D107, 2020-D108 & 2020-D109 -- 2020 DF3, 2020 DE3, 2020 DD3, 2020 DC3
`160`	Castelmartini Obs. in Italy, 1 in MPEC 2020-D107 -- 2020 DD3
`703`	Catalina Sky Survey (CSS) in Arizona, 19 in MPECs 2020-D105, 2020-D107, 2020-D109 & 2020-D111 -- 2020 DF3, 2020 DD3, 2020 DB3, 2020 BH11, 2020 BE2, 2019 XG1, 2016 GZ215, 2014 YD35, 52768, 511523, 491565, 459386, 416591, 415267, 35107, 18172, 154993, 136993, 1864
`V06`	Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 8 in MPECs 2020-D109, 2020-D110, 2020-D111 & 2020-D113 -- 2020 DY2, 2020 DS, 2020 DJ3, 2020 DG3, 2020 DF3, 2020 CH2, 2020 AJ, 2015 FS332
`A77`	Chante-Perdrix Obs. in France, 1 in MPEC 2020-D105 -- 2020 DB3
`850`	Cordell-Lorenz Obs. in Tennessee, 1 in MPEC 2020-D105 -- 2020 DB3
`J04`	ESA Optical Ground Station in the Canary Islands, 1 in MPEC 2020-D111 -- 2020 DR2
`F652`	Lothar Kurtze in Germany via Faulkes Telescope North in Hawaii, 1 in MPEC 2020-D106 -- 2020 DC3
`K83`	Forti Obs., 1 in MPEC 2020-D111 -- 52768
`157`	Frasso Sabino Obs. in Italy, 1 in MPEC 2020-D111 -- 2020 DP2
`X31`	Galilei Obs., 1 in MPEC 2020-D106 -- 2020 DC3
`E89`	Geyserland Obs. in New Zealand, 5 in MPEC 2020-D111 -- 65690, 18172, 163243, 159454, 5693
`K73`	Gravina Obs. in Italy, 2 in MPEC 2020-D111 -- 2020 BZ12, 2003 OC3
`J95`	Great Shefford Obs. in England, 5 in MPECs 2020-D105, 2020-D106, 2020-D107, 2020-D108 & 2020-D109 -- 2020 DF3, 2020 DE3, 2020 DD3, 2020 DC3, 2020 DB3
`C401`	program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-D111 -- 52768
`K92`	LCO Sutherland B in South Africa, 1 in MPEC 2020-D108 -- 2020 DE3
`K93`	LCO Sutherland C in South Africa, 1 in MPEC 2020-D108 -- 2020 DE3
`K95`	MASTER-II Sutherland in South Africa, 3 in MPEC 2020-D111 -- 2019 UO, 115052, 1864
`932`	McCarthy Obs. in Connecticut, 1 in MPEC 2020-D106 -- 2020 DC3
`711`	McDonald Obs. in Texas, 8 in MPECs 2020-D106, 2020-D107, 2020-D109, 2020-D110 & 2020-D111 -- 2020 DP2, 2020 DG3, 2020 DG2, 2020 DF3, 2020 DD3, 2020 DC3, 2020 CZ2, 2020 BG8
`V01`	Mountainville Obs. in Utah, 2 in MPEC 2020-D111 -- 2020 DF3, 2020 DD3
`474`	Mt. John Obs. in New Zealand, 7 in MPECs 2020-D108 & 2020-D111 -- 2020 DZ1, 2020 DX2, 2020 DE3, 2020 DC, 2020 CA3, 2019 YW3, 2019 UJ15
`G96`	Mt. Lemmon Survey (MLS) in Arizona, 19 in MPECs 2020-D105, 2020-D110, 2020-D111 & 2020-D113 -- 2020 DQ, 2020 DJ3, 2020 DG3, 2020 DB3, 2020 BX3, 2020 BP15, 2018 BP, 2017 DU15, 2016 AX147, 2015 DE200, 2014 YV43, 2005 SQ, 68548, 455322, 36284, 354876, 12923, 5626, 1627
`J69`	North Obs. in England, 1 in MPEC 2020-D107 -- 2020 DD3
`Z80`	Northolt Branch Obs. in England, 4 in MPECs 2020-D106, 2020-D107 & 2020-D111 -- 2020 DZ1, 2020 DD3, 2020 DC3, 154993
`F52`	Pan-STARRS 2 (PS2) in Hawaii, 2 in MPEC 2020-D111 -- 2012 EA2, 2000 WO148
`B49`	Paus Obs. in Spain, 3 in MPECs 2020-D106, 2020-D107 & 2020-D109 -- 2020 DF3, 2020 DD3, 2020 DC3
`654`	Pomona College Table Mtn. Obs. (PCTMO) in southern California, 8 in MPECs 2020-D111 & 2020-D113 -- 2020 DQ, 2020 DJ3, 2019 YF4, 2019 XW2, 2019 SH6, 2016 WE1, 2013 PV2, 2010 AE30
`L04`	ROASTERR-1 in Romania, 3 in MPECs 2020-D106, 2020-D107 & 2020-D109 -- 2020 DF3, 2020 DD3, 2020 DC3
`B74`	Santa Maria de Montmagastrell Obs. in Spain, 1 in MPEC 2020-D111 -- 2020 BE2
`C95`	SATINO-1 in France, 5 in MPECs 2020-D105, 2020-D106, 2020-D107, 2020-D109 & 2020-D111 -- 2020 DF3, 2020 DD3, 2020 DC3, 2020 DB3, 2003 AA3
`K96`	Savelli Obs., 4 in MPECs 2020-D106, 2020-D107, 2020-D108 & 2020-D109 -- 2020 DF3, 2020 DE3, 2020 DD3, 2020 DC3
`204`	Schiaparelli Obs. in Italy, 2 in MPECs 2020-D105 & 2020-D106 -- 2020 DC3, 2020 DB3
`033`	Schwarzschild Obs. in Germany, 19 in MPECs 2020-D105, 2020-D106, 2020-D107, 2020-D109, 2020-D110, 2020-D111 & 2020-D113 -- 2020 DJ3, 2020 DG3, 2020 DF3, 2020 DD3, 2020 DC3, 2020 DB3, 2019 BT2, 2019 BO1, 2018 VG3, 2017 DQ37, 2017 BP31, 2017 BE92, 2017 BB94, 2016 WE1, 2016 FG15, 2015 FS, 2015 BK509, 2011 UC292, 2011 GD60
`Q11`	Shinshiro Obs., 1 in MPEC 2020-D105 -- 2020 DB3
`587`	Sormano Obs. in Italy, 1 in MPEC 2020-D105 -- 2020 DB3
`691`	Spacewatch 0.9m telescope in Arizona, 4 in MPEC 2020-D111 -- 2020 DR2, 2016 AX147, 2015 BK509, 2015 AB
`291`	Spacewatch 1.8m telescope in Arizona, 1 in MPEC 2020-D111 -- 2017 FP2
`W34`	Squirrel Valley Obs. in North Carolina, 1 in MPEC 2020-D106 -- 2020 DC3
`I93`	St. Pardon de Conques Obs. in France, 1 in MPEC 2020-D106 -- 2020 DC3
`I52`	Steward Obs. Mt. Lemmon Station in Arizona, 15 in MPECs 2020-D105, 2020-D107, 2020-D110, 2020-D111 & 2020-D113 -- 2020 DZ1, 2020 DV2, 2020 DJ3, 2020 DG3, 2020 DF3, 2020 DF1, 2020 DD3, 2020 DB3, 2020 CZ2, 2020 CY2, 2020 CN1, 2020 CB3, 2020 CB1, 2020 BX14, 2020 BC16
`673!`	Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 3 in MPECs 2020-D106, 2020-D107 & 2020-D110 -- 2020 DG3, 2020 DD3, 2020 DC3
`T12`	UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPECs 2020-D111 & 2020-D112 -- 2020 DC2, 2016 YY7
`L01`	Visnjan Obs. in Croatia, 5 in MPECs 2020-D105, 2020-D106, 2020-D107, 2020-D108 & 2020-D109 -- 2020 DF3, 2020 DE3, 2020 DD3, 2020 DC3, 2020 DB3
`I41`	Zwicky Transient Facility in southern California, 1 in MPEC 2020-D111 -- 2019 LF6

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

Impact Risk Monitoring on 26 February '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 DF3	JPL Sentry	1700	2053-2103	15	4.0292071e-06	-4.70	-5.23	0	JPL #2 for the day: Computed at 08:26 today Pacific time based on 44 observations spanning 1.7725 days (2020-Feb-24.44469 to 2020-Feb-26.2172). Diameter approximately 0.051 km. from weighted mean H=24.12.
2020 DF3	NEODyS	1700	2053-2115	18	1.54e-06	-5.00	-5.56	0	NEODyS: "Based on 38 optical observations (of which 1 are rejected as outliers) from 2020-02-24.445 to 2020-02-25.897."

2020 DR2	JPL Sentry	1802	2074-2114	8	5.093637e-06	-2.12	-2.37	0	JPL #2 for the day: Computed at 09:30 today Pacific time based on 140 observations spanning 6.0104 days (2020-Feb-20.19345 to 2020-Feb-26.2039). Diameter approximately 0.590 km. from weighted mean H=18.79.

2020 DC2	JPL Sentry	1700	R E M O V E D						JPL: Risk listing removed at 1604 UTC today

2020 CD3	JPL Sentry	0102	2061-2116	20	0.006182129	-5.79	-6.25	0	JPL: Computed at 16:41 Feb. 25th Pacific time based on 52 observations spanning 5.7831 days (2020-Feb-15.51114 to 2020-Feb-21.29426). Diameter approximately 0.002 km. from weighted mean H=31.73.

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 February '20

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

2030	Grabbed MPEC 2020-D113 - 2020 DJ3 - see above
1802	Noted that JPL Sentry has updated its 2020 DR2 risk assessment - see above
1700	Noted that JPL Sentry has removed 2020 DC2 as an impact risk - see above Noted that JPL Sentry has updated its 2020 DF3 risk assessment - see above Noted that NEODyS has posted 2020 DF3 as an impact risk - see above Noted that JPL Sentry has updated its 2020 DR2 risk assessment - see above Grabbed MPEC 2020-D111 - Daily Orbit Update - see above Grabbed MPEC 2020-D112 - 2016 YY7 - see above
0502	Noted that JPL Sentry has posted 2020 DF3 as an impact risk - see above Grabbed MPEC 2020-D106 - 2020 DC3 - see above Grabbed MPEC 2020-D107 - 2020 DD3 - see above Grabbed MPEC 2020-D108 - 2020 DE3 - see above Grabbed MPEC 2020-D109 - 2020 DF3 - see above Grabbed MPEC 2020-D110 - 2020 DG3 - see above
0102	Noted that JPL Sentry has posted 2020 CD3 as an impact risk - see above Grabbed MPEC 2020-D105 - 2020 DB3 - see above

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