Contents  on 22 October '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 22 October '20

The MPC's NEO Confirmation Page has 67 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 67 objects listed. Of these, 45 were "one nighters." So far The Tracking News has counted a total of 86 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 22 October '20

Minor Planet Electronic Circulars

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


MPEC 2020-U181 - "22:14 UT" - 2020 TB9


MPEC 2020-U180 - "22:12 UT" - 2020 UV3


MPEC 2020-U179 - "22:11 UT" - 2020 UU3


MPEC 2020-U178 - "17:42 UT" - 2020 UF3


MPEC 2020-U177 - "16:23 UT" - 2016 RW


<< DOU on 22 October '20 >>  MPEC 2020-U176 - "12:48 UT" - Daily Orbit Update


MPEC 2020-U175 - "10:45 UT" - 2020 UT3


MPEC 2020-U174 - "10:43 UT" - 2020 US3


MPEC 2020-U173 - "10:42 UT" - 2020 UR3


MPEC 2020-U172 - "10:41 UT" - 2020 UQ3


MPEC 2020-U171 - "06:47 UT" - 2020 UP3


MPEC 2020-U170 - "03:59 UT" - Comet C/2020 T2 (Palomar)


MPEC 2020-U169 - "02:04 UT" - Comet P/2007 VQ11 = 2020 T1 (Catalina)


MPEC 2020-U168 - "00:21 UT" - 2020 UO3


MPEC 2020-U167 - "00:04 UT" - 1998 VD32 = 2020 SS7

Observers  on 22 October '20

A total of 41 observers appear in today's MPECs.

CodeObserver / observatory
T05ATLAS Haleakala in Hawaii, 10 in MPECs 2020-U176 & 2020-U178 -- 2020 UF3, 474179, 420302, 303262, 162173, 154302, 154275, 140333, 6239, 4450
T08ATLAS Mauna Loa in Hawaii, 8 in MPECs 2020-U176 & 2020-U178 -- 2020 UF3, 163014, 11405, 7977, 4179, 4055, 3753, 887
L54Berthelot Obs., 1 in MPEC 2020-U176 -- 2020 UA
160Castelmartini Obs. in Italy, 11 in MPEC 2020-U176 -- 2020 UV, 2020 RV5, 2020 PD1, 2020 PC5, 2013 PY6, 2007 VX137, 2002 GZ8, 65717, 420302, 162173, 154302
703Catalina Sky Survey (CSS) in Arizona, 7 in MPEC 2020-U176 -- 2020 OC8, 380455, 316695, 274138, 20826, 169675, 3691
970Chelmsford Obs. in England, 1 in MPEC 2020-U168 -- 2020 UO3
958Dax Obs. in France, 1 in MPEC 2020-U168 -- 2020 UO3
K87Dettelbach Vineyard Obs. in Germany, 1 in MPEC 2020-U176 -- 2020 PF7
J042program code 2 via ESA Optical Ground Station in the Canary Islands, 1 in MPEC 2020-U169 -- P/2020 T1
K83Forti Obs., 3 in MPEC 2020-U176 -- 2020 QU6, 2020 OC8, 163081
H06iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-U176 -- 2020 TU3
H06|Hidetaka Sato in Japan via iTelescope Obs. Mayhill in New Mexico, 3 in MPECs 2020-U169, 2020-U170 & 2020-U176 -- C/2020 T2, P/2020 T1, 2020 SW
Q621Hidetaka Sato in Japan via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-U169 -- P/2020 T1
U68JPL SynTrack Robotic Telescope, 1 in MPEC 2020-U175 -- 2020 UT3
2461program code 1 via KLENOT in the Czech Republic, 1 in MPEC 2020-U168 -- 2020 UO3
C401program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-U176 -- 159402
Z43Landehen Obs., 1 in MPEC 2020-U176 -- 2013 PY6
L52MASTER Tavrida, 1 in MPEC 2020-U176 -- 154302
V01Mountainville Obs. in Utah, 2 in MPEC 2020-U176 -- 2020 TY1, 2020 TW3
G96Mt. Lemmon Survey (MLS) in Arizona, 42 in MPECs 2020-U169, 2020-U170, 2020-U171, 2020-U172, 2020-U173, 2020-U174, 2020-U176, 2020-U179 & 2020-U180 -- 2020 UV3, 2020 UU3, 2020 US3, 2020 UR3, 2020 UQ3, 2020 UP3, 2020 UM1, 2020 TR2, 2020 TM6, 2020 TC7, 2020 TA8, C/2020 T2, P/2020 T1, 2020 PF7, 2020 DB5, 2017 ST20, 2016 TF93, 2013 PF10, 2013 BG27, 2011 BF59, 2009 FY29, 2008 EO6, 2006 SS19, 90147, 474706, 470678, 388945, 361754, 357621, 333755, 325395, 297418, 275611, 274138, 27002, 256412, 143992, 141498, 139211, 137078, 136849, 433
675@program code "@" (41) via Mt. Palomar in southern California, 1 in MPEC 2020-U170 -- C/2020 T2
0895N.V. Maigurova via Nikolaev Obs. in Ukraine, 10 in MPEC 2020-U176 -- 2020 RJ, 2020 PT4, 2016 NV38, 420302, 19764, 159402, 4055, 3691, 1036, 887
Z80Northolt Branch Obs. in England, 1 in MPEC 2020-U168 -- 2020 UO3
F51Pan-STARRS 1 (PS1) in Hawaii, 22 in MPECs 2020-U168, 2020-U169, 2020-U170, 2020-U171, 2020-U172, 2020-U176, 2020-U179, 2020-U180 & 2020-U181 -- 2020 UV3, 2020 UU3, 2020 UQ3, 2020 UP3, 2020 UO3, 2020 TM2, 2020 TE7, 2020 TC1, 2020 TB9, C/2020 T2, P/2020 T1, 2020 PC5, 2020 OA2, 2018 UQ1, 2018 TS5, 2013 TV144, 2003 UG22, 1999 SK10, 474179, 407653, 162173, 8035
F52Pan-STARRS 2 (PS2) in Hawaii, 10 in MPECs 2020-U170, 2020-U176, 2020-U179, 2020-U180 & 2020-U181 -- 2020 UV3, 2020 UU3, 2020 TD8, 2020 TB9, C/2020 T2, 2020 RB, 2013 PY6, 2012 MQ3, 96744, 420302
6581Dave Balam via Plaskett 1.8m Telescope in British Columbia, 2 in MPEC 2020-U176 -- 2020 UU2, 2020 UQ2
A48Povegliano Veronese Obs. in Italy, 2 in MPEC 2020-U176 -- 2020 PD1, 2020 PC5
L18QOS Obs., 2 in MPEC 2020-U176 -- 474179, 159402
C95SATINO-1 in France, 1 in MPEC 2020-U169 -- P/2020 T1
204Schiaparelli Obs. in Italy, 1 in MPEC 2020-U170 -- C/2020 T2
G409B. Lutkenhoner in Germany via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-U170 -- C/2020 T2
W88*program code "*" (19) via Slooh.com Chile Obs. in Chile, 2 in MPEC 2020-U176 -- 2008 SW150, 474179
Q21Southern Utsunomiya in Japan, 1 in MPEC 2020-U176 -- 162173
291Spacewatch 1.8m telescope in Arizona, 11 in MPECs 2020-U176 & 2020-U177 -- 2018 XQ2, 2018 TY2, 2018 SM1, 2018 LB1, 2018 FJ4, 2017 XO2, 2017 XA2, 2017 WN16, 2016 RW, 2014 OM339, 2010 FY80
I52Steward Obs. Mt. Lemmon Station in Arizona, 43 in MPECs 2020-U169, 2020-U171, 2020-U172, 2020-U173, 2020-U174, 2020-U175 & 2020-U176 -- 2020 UY2, 2020 UW1, 2020 UU2, 2020 UT3, 2020 UT2, 2020 US3, 2020 UR3, 2020 UQ3, 2020 UQ2, 2020 UP3, 2020 UP1, 2020 UM2, 2020 UK2, 2020 UJ, 2020 UH, 2020 UG2, 2020 UG, 2020 UF2, 2020 UF, 2020 UE, 2020 UD1, 2020 UC1, 2020 UA1, 2020 TY4, 2020 TX3, 2020 TX, 2020 TW6, 2020 TT5, 2020 TS4, 2020 TQ1, 2020 TO8, 2020 TK5, 2020 TK4, 2020 TJ3, 2020 TH5, 2020 TD8, 2020 TC3, 2020 TA7, P/2020 T1, 2020 SK1, 2020 OK7, 2017 UH5, 2006 SS134
673!Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 1 in MPEC 2020-U172 -- 2020 UQ3
Z08Telescope Live, 1 in MPEC 2020-U169 -- P/2020 T1
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPEC 2020-U176 -- 2020 RR4, 2019 WL2
L01Visnjan Obs. in Croatia, 8 in MPECs 2020-U168, 2020-U170, 2020-U171, 2020-U173, 2020-U174, 2020-U175 & 2020-U176 -- 2020 UT3, 2020 US3, 2020 UR3, 2020 UP3, 2020 UO3, C/2020 T2, 2013 UX14, 2007 UY1
C51WISE in Earth polar orbit, 3 in MPEC 2020-U176 -- 2013 GY7, 2003 OA3, 162911
N88Xingming Obs. #3, 1 in MPEC 2020-U170 -- C/2020 T2
I41Zwicky Transient Facility (ZTF) in southern California, 44 in MPECs 2020-U170 & 2020-U176 -- 2020 TR2, 2020 TC1, C/2020 T2, 2020 PD1, 2016 TF93, 2010 JV153, 2008 EO6, 2007 TZ18, 2007 SR1, 2006 HY5, 2003 YM1, 99935, 89355, 85182, 67367, 489885, 480824, 435404, 420302, 413192, 385186, 380359, 354663, 352143, 343158, 322763, 316695, 256412, 24761, 21374, 21088, 209924, 163902, 162463, 15817, 153249, 152756, 140158, 11398, 8567, 5587, 3691, 3199, 1943
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 22 October '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 UQ3JPL Sentry17002112-211211.163e-07-6.82-6.820JPL: Computed at 09:30 today Pacific time based on 18 observations spanning 8.8473 days (2020-Oct-13.435266 to 2020-Oct-22.282521). Diameter approximately 0.054 km. from weighted mean H=23.98.
NEODyS1700211212.31e-07-6.53-6.530NEODyS: "Based on 18 optical observations (of which 0 are rejected as outliers) from 2020-10-13.436 to 2020-10-22.283."
2020 UL3JPL Sentry17002106-2119226.1028306e-06-4.76-4.950JPL: Computed at 09:35 today Pacific time based on 22 observations spanning 3.8605 days (2020-Oct-17.535831 to 2020-Oct-21.39631). Diameter approximately 0.073 km. from weighted mean H=23.34.
NEODyS17002107-2120305.05e-06-4.84-5.04n/aNEODyS: "Based on 22 optical observations (of which 1 are rejected as outliers) from 2020-10-17.537 to 2020-10-21.397."
2020 UK2JPL Sentry17302089-210971.497119e-05-6.10-6.520JPL: Computed at 10:07 today Pacific time based on 22 observations spanning 4.2497 days (2020-Oct-18.18281 to 2020-Oct-22.432538). Diameter approximately 0.014 km. from weighted mean H=26.99.
2020 UYJPL Sentry17002068-2119122.25586e-06-7.84-8.490JPL: Computed at 08:09 Oct. 20th Pacific time based on 21 observations spanning 2.0303 days (2020-Oct-17.283456 to 2020-Oct-19.313708). Diameter approximately 0.005 km. from weighted mean H=28.95.
2020 UJJPL Sentry17302043-204315.266e-09-7.44-7.440JPL: Computed at 10:07 today Pacific time based on 24 observations spanning 11.796 days (2020-Oct-10.323552 to 2020-Oct-22.119114). Diameter approximately 0.051 km. from weighted mean H=24.11.
2020 UHJPL Sentry18002098-211945.3899e-07-6.27-6.510JPL: Computed at 10:27 today Pacific time based on 51 observations spanning 6.8257 days (2020-Oct-15.308398 to 2020-Oct-22.134144). Diameter approximately 0.044 km. from weighted mean H=24.42.
2020 UEJPL Sentry17302061-2118263.060301e-05-4.72-5.050JPL: Computed at 09:56 today Pacific time based on 110 observations spanning 6.6683 days (2020-Oct-15.46967 to 2020-Oct-22.137959). Diameter approximately 0.026 km. from weighted mean H=25.56.
2020 UCJPL Sentry17002053-2117560.000124936621-5.39-5.960JPL: Computed at 12:38 Oct. 17th Pacific time based on 15 observations spanning 1.0081 days (2020-Oct-16.314729 to 2020-Oct-17.322782). Diameter approximately 0.010 km. from weighted mean H=27.55.
2020 UAJPL Sentry18002074-208151.06017e-06-7.81-8.160JPL: Computed at 10:38 today Pacific time based on 79 observations spanning 4.6505 days (2020-Oct-16.31568 to 2020-Oct-20.966211). Diameter approximately 0.007 km. from weighted mean H=28.39.
2020 TD8JPL Sentry17302045-2096121.021103e-05-5.86-5.950JPL: Computed at 09:53 today Pacific time based on 25 observations spanning 6.9802 days (2020-Oct-15.322434 to 2020-Oct-22.302597). Diameter approximately 0.013 km. from weighted mean H=27.02.
2020 TK5JPL Sentry18302039-205661.232137e-05-3.80-3.900JPL: Computed at 11:11 today Pacific time based on 73 observations spanning 7.8719 days (2020-Oct-14.331481 to 2020-Oct-22.203338). Diameter approximately 0.066 km. from weighted mean H=23.57.
2020 TY4JPL Sentry18002086-211153.168816e-05-4.31-4.320JPL: Computed at 10:36 today Pacific time based on 54 observations spanning 9.0486 days (2020-Oct-13.13828 to 2020-Oct-22.186846). Diameter approximately 0.054 km. from weighted mean H=23.97.
2020 TS4JPL Sentry18302103-210311.202e-09-10.74-10.740JPL: Computed at 11:04 today Pacific time based on 89 observations spanning 8.2169 days (2020-Oct-14.208103 to 2020-Oct-22.425042). Diameter approximately 0.009 km. from weighted mean H=27.87.
2020 TJ3JPL Sentry18002056-2119347.12676825e-05-4.14-4.810JPL: Computed at 10:22 today Pacific time based on 53 observations spanning 10.976 days (2020-Oct-11.171145 to 2020-Oct-22.147582). Diameter approximately 0.041 km. from weighted mean H=24.56.
2020 TY1JPL Sentry17302092-211343.9721e-07-5.45-5.800JPL: Computed at 10:08 today Pacific time based on 61 observations spanning 13.026 days (2020-Oct-08.410259 to 2020-Oct-21.43631). Diameter approximately 0.100 km. from weighted mean H=22.59.
2020 RR4JPL Sentry1730R E M O V E DJPL: Risk listing removed at 1716 UTC today
2019 UT5JPL Sentry17002080-208012.364e-10-11.27-11.270JPL: Computed at 08:19 Dec. 4th of 2019 Pacific time based on 24 observations spanning 5.2586 days (2019-Oct-24.29031 to 2019-Oct-29.548932). Diameter approximately 0.007 km. from weighted mean H=28.42.
2019 UE4JPL Sentry17002064-2119181.1279497e-05-6.43-6.920JPL: Computed at 05:35 Nov. 4th of 2019 Pacific time based on 82 observations spanning 11.876 days (2019-Oct-23.381323 to 2019-Nov-04.2577). Diameter approximately 0.010 km. from weighted mean H=27.69.
2018 XQ2JPL Sentry18002065-2120640.000721020211-5.03-5.520JPL: Computed at 10:26 today Pacific time based on 44 observations spanning 27.825 days (2018-Dec-10.2423 to 2019-Jan-07.067641). Diameter approximately 0.008 km. from weighted mean H=28.09.
2013 UR1JPL Sentry17002050-206048.5417e-07-6.90-6.960JPL: Computed at 00:20 April 9th of 2017 Pacific time based on 25 observations spanning 7.0358 days (2013-Oct-23.38002 to 2013-Oct-30.415818). Diameter approximately 0.009 km. from weighted mean H=27.77.

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 22 October '20

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

2306Grabbed MPEC 2020-U179 - 2020 UU3 - see above
Grabbed MPEC 2020-U180 - 2020 UV3 - see above
Grabbed MPEC 2020-U181 - 2020 TB9 - see above
1830Noted that JPL Sentry has updated its 2020 TK5 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TS4 risk assessment - see above
1800Noted that JPL Sentry has updated its 2018 XQ2 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TJ3 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TY4 risk assessment - see above
Noted that JPL Sentry has updated its 2020 UA risk assessment - see above
Noted that JPL Sentry has updated its 2020 UH risk assessment - see above
Grabbed MPEC 2020-U178 - 2020 UF3 - see above
1730Noted that JPL Sentry has removed 2020 RR4 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 TD8 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TY1 risk assessment - see above
Noted that JPL Sentry has updated its 2020 UE risk assessment - see above
Noted that JPL Sentry has updated its 2020 UJ risk assessment - see above
Noted that JPL Sentry has updated its 2020 UK2 risk assessment - see above
1700Noted that JPL Sentry has updated its 2013 UR1 risk assessment - see above
Noted that JPL Sentry has updated its 2019 UE4 risk assessment - see above
Noted that JPL Sentry has updated its 2019 UT5 risk assessment - see above
Noted that JPL Sentry has updated its 2020 UC risk assessment - see above
Noted that JPL Sentry has posted 2020 UL3 as an impact risk - see above
Noted that NEODyS has posted 2020 UL3 as an impact risk - see above
Noted that JPL Sentry has posted 2020 UQ3 as an impact risk - see above
Noted that NEODyS has posted 2020 UQ3 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 UY risk assessment - see above
Grabbed MPEC 2020-U171 - 2020 UP3 - see above
Grabbed MPEC 2020-U172 - 2020 UQ3 - see above
Grabbed MPEC 2020-U173 - 2020 UR3 - see above
Grabbed MPEC 2020-U174 - 2020 US3 - see above
Grabbed MPEC 2020-U175 - 2020 UT3 - see above
Grabbed MPEC 2020-U176 - Daily Orbit Update - see above
Grabbed MPEC 2020-U177 - 2016 RW - see above
0540Grabbed MPEC 2020-U170 - Comet C/2020 T2 (Palomar) - see above
0401Grabbed MPEC 2020-U169 - Comet P/2007 VQ11 = 2020 T1 (Catalina) - see above
0035Grabbed MPEC 2020-U167 - 1998 VD32 = 2020 SS7 - see above
Grabbed MPEC 2020-U168 - 2020 UO3 - see above