Contents  on 15 September '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 15 September '20

The MPC's NEO Confirmation Page has 136 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 136 objects listed. Of these, 61 were "one nighters." So far The Tracking News has counted a total of 173 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 15 September '20

Minor Planet Electronic Circulars

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


MPEC 2020-R173 - "22:10 UT" - 2020 RH6


MPEC 2020-R172 - "22:09 UT" - 2020 RG6


MPEC 2020-R171 - "22:08 UT" - 2020 RF6


MPEC 2020-R170 - "18:06 UT" - 2009 RU1


MPEC 2020-R169 - "15:00 UT" - 2013 VY13


<< DOU on 15 September '20 >>  MPEC 2020-R168 - "12:05 UT" - Daily Orbit Update


MPEC 2020-R167 - "11:50 UT" - 2020 RB6


MPEC 2020-R166 - "11:46 UT" - 2020 RA6


MPEC 2020-R165 - "11:45 UT" - 2020 RZ5


MPEC 2020-R164 - "11:43 UT" - 2020 RY5


MPEC 2020-R163 - "11:41 UT" - 2020 RX5


MPEC 2020-R162 - "11:38 UT" - 2020 RW5


MPEC 2020-R161 - "11:36 UT" - 2020 RV5


MPEC 2020-R160 - "11:23 UT" - 2020 RR5

Observers  on 15 September '20

A total of 46 observers appear in today's MPECs.

CodeObserver / observatory
A44Altschwendt Obs. in Austria, 1 in MPEC 2020-R172 -- 2020 RG6
E23Arcadia Obs. in New South Wales, 2 in MPECs 2020-R171 & 2020-R173 -- 2020 RH6, 2020 RF6
T05ATLAS Haleakala in Hawaii, 18 in MPEC 2020-R168 -- 2020 RR, 2020 RE1, 2020 PR3, 2020 OC8, 2020 LB3, 2018 RV3, 2014 QJ33, 2013 PY6, 2007 VX137, 2006 HB, 90147, 85804, 522684, 428086, 285990, 144411, 137108, 105140
T08ATLAS Mauna Loa in Hawaii, 32 in MPECs 2020-R168, 2020-R171 & 2020-R173 -- 2020 RH6, 2020 RF6, 2018 NB, 2012 DP8, 90075, 69230, 68950, 65690, 522684, 503960, 480824, 470678, 357058, 354952, 30825, 271480, 23187, 19764, 189630, 162980, 159402, 15817, 145656, 140288, 106538, 8035, 7025, 5143, 4953, 4055, 3753, 3288
X74Campo dos Amarais Obs., 1 in MPEC 2020-R168 -- 169675
160Castelmartini Obs. in Italy, 12 in MPEC 2020-R168 -- 2020 RR, 2020 RQ1, 2020 RF, 2020 RE1, 2020 RE, 2018 RV3, 2016 NV38, 2016 ED85, 2013 PY6, 2012 DP8, 2007 VX137, 2004 QD3
703Catalina Sky Survey (CSS) in Arizona, 8 in MPECs 2020-R168 & 2020-R171 -- 2020 RF6, 2018 KR2, 2017 XH62, 2016 NV38, 2016 ED85, 2013 PY6, 2011 GO27, 522684
V06Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 5 in MPECs 2020-R162 & 2020-R168 -- 2020 RW5, 2020 RP2, 2020 RH1, 2020 FJ2, 2015 WA1
970Chelmsford Obs. in England, 1 in MPEC 2020-R166 -- 2020 RA6
Z99Clixby Obs. in England, 4 in MPECs 2020-R166 & 2020-R168 -- 2020 RL2, 2020 RE1, 2020 RA6, 2020 ML3
W84!program code "!" (10) via DECam in Chile, 3 in MPEC 2020-R168 -- 2019 MW3, 2017 SU20, 2016 VQ5
W84&program code "&" (15) via DECam in Chile, 1 in MPEC 2020-R160 -- 2020 RR5
K87Dettelbach Vineyard Obs. in Germany, 20 in MPEC 2020-R168 -- 2020 RW, 2020 RR, 2020 RQ1, 2020 RF, 2020 RE1, 2020 RE, 2020 QM4, 2020 PD1, 2020 OW3, 2020 OA2, 2020 LA2, 2020 HP8, 2014 QJ33, 2012 DP8, 2011 GO27, 2010 QA5, 2006 SS19, 2004 RF84, 2004 QD3, 2000 PQ27
734Farpoint Obs. in Kansas, 4 in MPECs 2020-R166, 2020-R168, 2020-R172 & 2020-R173 -- 2020 RH6, 2020 RG6, 2020 RA6, 2020 PD1
595Farra d'Isonzo Obs. in Italy, 3 in MPECs 2020-R166, 2020-R171 & 2020-R172 -- 2020 RG6, 2020 RF6, 2020 RA6
K83Forti Obs., 1 in MPEC 2020-R171 -- 2020 RF6
J95Great Shefford Obs. in England, 4 in MPECs 2020-R161, 2020-R166, 2020-R172 & 2020-R173 -- 2020 RV5, 2020 RH6, 2020 RG6, 2020 RA6
A17Guidestar Obs. in Germany, 8 in MPECs 2020-R168, 2020-R171 & 2020-R172 -- 2020 RG6, 2020 RF6, 2020 PC5, 2014 LQ26, 2012 SA22, 2007 TG8, 2000 TU28, 2000 PQ27
L63HOB Obs., 1 in MPEC 2020-R168 -- 2014 QJ33
Q62iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-R168 -- 2020 OT6
Z32Javalambre Obs., 1 in MPEC 2020-R168 -- 2018 KP
2461program code 1 via KLENOT in the Czech Republic, 5 in MPECs 2020-R168, 2020-R171, 2020-R172 & 2020-R173 -- 2020 RR, 2020 RH6, 2020 RG6, 2020 RF6, 2014 QJ33
Q63LCO Siding Spring A in New South Wales, 1 in MPEC 2020-R168 -- 2020 RN2
J136Martin Altman in Germany via the Liverpool Telescope in the Canary Islands, 1 in MPEC 2020-R168 -- 2020 RN2
568^R. Wainscoat on Mauna Kea in Hawaii, 6 in MPECs 2020-R161, 2020-R162, 2020-R164, 2020-R165, 2020-R167 & 2020-R168 -- 2020 RZ5, 2020 RY5, 2020 RW5, 2020 RV5, 2020 RP4, 2020 RB6
V01Mountainville Obs. in Utah, 1 in MPEC 2020-R168 -- 2010 QA5
G96Mt. Lemmon Survey (MLS) in Arizona, 31 in MPECs 2020-R166, 2020-R167, 2020-R168, 2020-R170, 2020-R171 & 2020-R173 -- 2020 RM1, 2020 RK2, 2020 RH6, 2020 RF6, 2020 RB6, 2020 RA6, 2020 QV4, 2020 PR3, 2020 PD1, 2020 LE2, 2020 KZ5, 2020 KR7, 2019 UJ10, 2019 OQ4, 2019 JT7, 2019 GF20, 2019 FP2, 2019 CZ4, 2019 AF12, 2018 VW6, 2018 TS, 2018 KK2, 2018 JS2, 2018 JQ1, 2018 GJ1, 2016 CB32, 2009 RU1, 2009 JK1, 2001 QE34, 1999 HV1, 522684
K74Muensterschwarzach Obs. in Germany, 4 in MPECs 2020-R168 & 2020-R171 -- 2020 RF6, 2020 RE1, 2016 ED85, 2014 QJ33
J69North Obs. in England, 3 in MPECs 2020-R166 & 2020-R168 -- 2020 RD5, 2020 RA6, 2010 QA5
Z80Northolt Branch Obs. in England, 1 in MPEC 2020-R168 -- 2012 DP8
G34Oberfrauendorf Obs. in Germany, 4 in MPECs 2020-R166, 2020-R168 & 2020-R171 -- 2020 RF6, 2020 RD5, 2020 RA6, 2014 QJ33
J43Oukaimeden Obs. in Morocco, 1 in MPEC 2020-R168 -- 2019 FP2
F51Pan-STARRS 1 (PS1) in Hawaii, 60 in MPECs 2020-R160, 2020-R161, 2020-R162, 2020-R163, 2020-R164, 2020-R165, 2020-R166, 2020-R167, 2020-R168, 2020-R170, 2020-R172 & 2020-R173 -- 2020 RZ5, 2020 RY5, 2020 RX5, 2020 RW5, 2020 RW4, 2020 RV5, 2020 RS4, 2020 RR5, 2020 RP4, 2020 RH6, 2020 RG6, 2020 RE3, 2020 RB6, 2020 RA6, 2020 RA3, 2020 QV6, 2020 QB6, 2020 PX3, 2020 PO1, 2020 PK3, 2020 PH6, 2020 PH5, 2020 ON1, 2020 MO4, 2020 HC11, 2020 FB6, 2020 BC9, 2019 UW5, 2019 OO1, 2019 NU, 2019 LA6, 2019 KR5, 2019 JT7, 2019 HL, 2018 VH1, 2018 PL9, 2018 OB, 2018 JD5, 2018 JC3, 2018 DY3, 2017 RD15, 2017 NQ6, 2015 XK351, 2014 LW21, 2012 HD20, 2011 EZ40, 2010 BB3, 2009 RU1, 2009 QN5, 2008 EO6, 2006 UD63, 2002 TS67, 65690, 54789, 522684, 477492, 470678, 404108, 162173, 8035
F52Pan-STARRS 2 (PS2) in Hawaii, 40 in MPECs 2020-R160, 2020-R161, 2020-R162, 2020-R163, 2020-R165, 2020-R166, 2020-R167, 2020-R168 & 2020-R171 -- 2020 RZ5, 2020 RZ3, 2020 RY3, 2020 RX5, 2020 RW5, 2020 RV5, 2020 RU4, 2020 RR5, 2020 RR2, 2020 RQ3, 2020 RP3, 2020 RP, 2020 RO3, 2020 RL3, 2020 RG1, 2020 RF6, 2020 RF4, 2020 RE3, 2020 RC1, 2020 RB6, 2020 RA6, 2020 RA4, 2020 QY4, 2020 QD2, 2020 OX6, 2020 OC8, 2020 OA2, 2020 NF, 2020 MP, 2019 QW1, 2019 KR5, 2018 RW27, 2017 SG14, 2017 NQ6, 2016 RU, 2013 BG27, 2012 RO1, 2011 SO32, 2007 TZ18, 522684
122Pises Obs. in France, 2 in MPEC 2020-R168 -- 2020 PD1, 2020 PC5
L18QOS Obs., 5 in MPECs 2020-R168 & 2020-R171 -- 2020 RF6, 2020 RF, 2016 NV38, 2016 ED85, 2010 QA5
L04ROASTERR-1 in Romania, 1 in MPEC 2020-R171 -- 2020 RF6
H36Sandlot Obs. in Kansas, 2 in MPECs 2020-R168 & 2020-R172 -- 2020 RG6, 2016 FY14
C95SATINO-1 in France, 2 in MPECs 2020-R168 & 2020-R171 -- 2020 RF6, 2004 RF84
204Schiaparelli Obs. in Italy, 3 in MPECs 2020-R166, 2020-R172 & 2020-R173 -- 2020 RH6, 2020 RG6, 2020 RA6
691Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2020-R168 -- 2018 JC3
I93St. Pardon de Conques Obs. in France, 2 in MPECs 2020-R171 & 2020-R172 -- 2020 RG6, 2020 RF6
I52Steward Obs. Mt. Lemmon Station in Arizona, 44 in MPECs 2020-R168, 2020-R170, 2020-R171, 2020-R172 & 2020-R173 -- 2020 RY1, 2020 RX2, 2020 RW3, 2020 RW, 2020 RV2, 2020 RT4, 2020 RT1, 2020 RR3, 2020 RR2, 2020 RR, 2020 RQ2, 2020 RQ1, 2020 RN1, 2020 RL2, 2020 RH6, 2020 RH3, 2020 RG6, 2020 RG1, 2020 RF6, 2020 RF, 2020 RD1, 2020 RC, 2020 RB, 2020 RA4, 2020 RA3, 2020 RA1, 2020 RA, 2020 QX4, 2020 QW2, 2020 QV4, 2020 QS, 2020 QQ5, 2020 QP6, 2020 QO5, 2020 QL6, 2020 QK6, 2020 QD, 2020 PX4, 2020 PX1, 2020 PG, 2020 PF7, 2020 OK7, 2017 ER22, 2009 RU1
T14UH/Tholen NEO Follow-Up CFH Telescope in Hawaii, 1 in MPEC 2020-R169 -- 2013 VY13
L01Visnjan Obs. in Croatia, 6 in MPECs 2020-R165, 2020-R166, 2020-R167, 2020-R171, 2020-R172 & 2020-R173 -- 2020 RZ5, 2020 RH6, 2020 RG6, 2020 RF6, 2020 RB6, 2020 RA6
C51WISE in Earth polar orbit, 2 in MPEC 2020-R168 -- 2015 FP332, 477885
I41Zwicky Transient Facility in southern California, 1 in MPEC 2020-R166 -- 2020 RA6
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 15 September '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 RH1JPL Sentry1700R E M O V E DJPL: Risk listing removed at 1435 UTC today
2020 CD3JPL Sentry17002061-2118240.02178499458-5.21-5.540JPL: Computed at 14:39 Feb. 28th Pacific time based on 55 observations spanning 12.134 days (2020-Feb-15.51114 to 2020-Feb-27.645156). Diameter approximately 0.002 km. from weighted mean H=31.72.
2009 SD15JPL Sentry17002081-210522.7247e-09-9.49-9.520JPL: Computed at 16:44 April 9th of 2017 Pacific time based on 15 observations spanning 6.0910 days (2009-Sep-19.24181 to 2009-Sep-25.33279). Diameter approximately 0.014 km. from weighted mean H=26.87.
2009 SH1JPL Sentry17002070-2116326.69247e-08-9.88-10.870JPL: Computed at 01:06 April 8th of 2017 Pacific time based on 11 observations spanning .17911 days (2009-Sep-18.21141 to 2009-Sep-18.39052). Diameter approximately 0.003 km. from weighted mean H=29.96.

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 15 September '20

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

2300Grabbed MPEC 2020-R171 - 2020 RF6 - see above
Grabbed MPEC 2020-R172 - 2020 RG6 - see above
Grabbed MPEC 2020-R173 - 2020 RH6 - see above
2011Grabbed MPEC 2020-R170 - 2009 RU1 - see above
1700Noted that JPL Sentry has updated its 2009 SD15 risk assessment - see above
Noted that JPL Sentry has updated its 2009 SH1 risk assessment - see above
Noted that JPL Sentry has updated its 2020 CD3 risk assessment - see above
Noted that JPL Sentry has removed 2020 RH1 as an impact risk - see above
Grabbed MPEC 2020-R160 - 2020 RR5 - see above
Grabbed MPEC 2020-R161 - 2020 RV5 - see above
Grabbed MPEC 2020-R162 - 2020 RW5 - see above
Grabbed MPEC 2020-R163 - 2020 RX5 - see above
Grabbed MPEC 2020-R164 - 2020 RY5 - see above
Grabbed MPEC 2020-R165 - 2020 RZ5 - see above
Grabbed MPEC 2020-R166 - 2020 RA6 - see above
Grabbed MPEC 2020-R167 - 2020 RB6 - see above
Grabbed MPEC 2020-R168 - Daily Orbit Update - see above
Grabbed MPEC 2020-R169 - 2013 VY13 - see above