Contents  on 14 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.

Radar Astrometry  on 14 October '20

Radar observation of two objects

The JPL Solar System Dynamics Group Radar Astrometry database has added or updated the following small-body radar observing work:


Data update noted at 0030 UTC when the database was dated 13 Oct.


Data update noted at 1720 UTC when the database was dated 14 Oct.



Photometry and some astrometry is needed for upcoming radar targets. See Arecibo and Goldstone schedules.

NEOCP Activity  on 14 October '20

The MPC's NEO Confirmation Page has 75 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 75 objects listed. Of these, 46 were "one nighters." So far The Tracking News has counted a total of 110 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 14 October '20

Minor Planet Electronic Circulars

As of last check at 2358 UTC, there have been 23 MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2020-T142 - "22:29 UT" - 2020 TS4


MPEC 2020-T141 - "21:05 UT" - 2013 GX68


MPEC 2020-T140 - "20:27 UT" - 2013 PF10


MPEC 2020-T139 - "20:24 UT" - 2017 WQ


MPEC 2020-T138 - "19:54 UT" - 2020 TQ4


MPEC 2020-T137 - "18:05 UT" - 2017 TK6


MPEC 2020-T136 - "13:38 UT" - 2020 TP4


MPEC 2020-T135 - "13:37 UT" - 2020 TO4


MPEC 2020-T134 - "13:24 UT" - 2020 TN4


MPEC 2020-T133 - "13:21 UT" - 2020 TM4


<< DOU on 14 October '20 >>  MPEC 2020-T132 - "12:32 UT" - Daily Orbit Update


MPEC 2020-T131 - "11:48 UT" - 2020 TK4


MPEC 2020-T130 - "11:45 UT" - 2020 TJ4


MPEC 2020-T129 - "11:43 UT" - 2020 TH4


MPEC 2020-T128 - "07:24 UT" - 2020 TG4


MPEC 2020-T127 - "03:28 UT" - 2020 TZ3


MPEC 2020-T126 - "03:27 UT" - 2020 TY3


MPEC 2020-T125 - "03:25 UT" - 2020 TX3


MPEC 2020-T124 - "03:24 UT" - 2020 TW3


MPEC 2020-T123 - "00:20 UT" - 2013 TD


MPEC 2020-T122 - "00:11 UT" - 2020 TV3


MPEC 2020-T121 - "00:09 UT" - 2020 TU3


MPEC 2020-T120 - "00:08 UT" - 2020 SR7

Observers  on 14 October '20

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

CodeObserver / observatory
251Arecibo in Puerto Rico, 1 in radar -- 185851
H21Astronomical Research Obs. Westfield in Illinois, 22 in MPECs 2020-T121, 2020-T122, 2020-T126, 2020-T127, 2020-T128, 2020-T130, 2020-T131, 2020-T132, 2020-T133, 2020-T134, 2020-T135 & 2020-T136 -- 2020 TZ3, 2020 TY3, 2020 TV3, 2020 TU3, 2020 TT, 2020 TP4, 2020 TO4, 2020 TN4, 2020 TM4, 2020 TK4, 2020 TJ4, 2020 TG4, 2020 TD1, 2020 TB1, 2020 SX6, 2020 SP4, 2020 RK7, 2020 RJ9, 2020 FB6, 2016 CN246, 2010 TM167, 381677
T05ATLAS Haleakala in Hawaii, 4 in MPEC 2020-T132 -- 420302, 303262, 162173, 6239
T08ATLAS Mauna Loa in Hawaii, 4 in MPECs 2020-T132 & 2020-T142 -- 2020 TS4, 2008 SW150, 87684, 4953
X74Campo dos Amarais Obs., 1 in MPEC 2020-T132 -- 85275
160Castelmartini Obs. in Italy, 2 in MPEC 2020-T132 -- 24445, 16834
703Catalina Sky Survey (CSS) in Arizona, 23 in MPECs 2020-T124, 2020-T132 & 2020-T142 -- 2020 TW3, 2020 TS4, 2020 QM4, 2020 OG4, 2020 HP8, 2016 FY14, 2016 ED85, 2011 GO27, 2007 TG8, 2005 JT108, 2002 GZ8, 489885, 488693, 376848, 340666, 305090, 21088, 16834, 162173, 154302, 141052, 140333, 10115
V06Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 8 in MPECs 2020-T123, 2020-T125, 2020-T126, 2020-T127, 2020-T130, 2020-T133, 2020-T134 & 2020-T138 -- 2020 TZ3, 2020 TY3, 2020 TX3, 2020 TQ4, 2020 TN4, 2020 TM4, 2020 TJ4, 2013 TD
K51Celado Obs. in Italy, 1 in MPEC 2020-T122 -- 2020 TV3
958Dax Obs. in France, 1 in MPEC 2020-T142 -- 2020 TS4
W84!program code "!" (10) via DECam in Chile, 1 in MPEC 2020-T132 -- 285179
J042program code 2 via ESA Optical Ground Station (ESA OGS) in the Canary Islands, 8 in MPECs 2020-T120, 2020-T132 & 2020-T142 -- 2020 TY1, 2020 TW, 2020 TU3, 2020 TS4, 2020 TR2, 2020 TK3, 2020 SR7, 2020 SO
J044program code 4 via ESA Optical Ground Station (ESA OGS) in the Canary Islands, 5 in MPECs 2020-T131, 2020-T132, 2020-T135 & 2020-T136 -- 2020 TW3, 2020 TP4, 2020 TO4, 2020 TK4, 2020 TJ3
734Farpoint Obs. in Kansas, 6 in MPECs 2020-T128, 2020-T132 & 2020-T135 -- 2020 TW3, 2020 TO4, 2020 TG4, 2020 RW2, 2020 PF7, 2016 FY14
W46Foxfire Village Obs., 4 in MPEC 2020-T132 -- 2004 RF84, 69230, 316695, 887
203GiaGa Obs. in Italy, 1 in MPEC 2020-T124 -- 2020 TW3
K88GINOP-KHK in Hungary, 1 in MPEC 2020-T132 -- 2020 QM4
253Goldstone DSS-14 70m antenna in southern California, 1 in radar -- 185851
J95Great Shefford Obs. in England, 1 in MPEC 2020-T142 -- 2020 TS4
A17Guidestar Obs. in Germany, 2 in MPECs 2020-T120 & 2020-T132 -- 2020 TP, 2020 SR7
P87Hirao Obs., 1 in MPEC 2020-T132 -- 162173
Q62iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-T132 -- 2018 GM
1861program code 1 via Kitab Obs., 1 in MPEC 2020-T132 -- 19764
168Kourovskaya Obs. in Russia, 3 in MPEC 2020-T132 -- 52768, 413989, 388945
950.EURONEAR via La Palma in the Canary Islands, 1 in MPEC 2020-T132 -- 190119
130Lumezzane Obs. in Italy, 5 in MPEC 2020-T132 -- 420302, 141052, 140333, 105140, 4450
W92MASTER OAFA Obs., 1 in MPEC 2020-T132 -- 887
L52MASTER Tavrida, 1 in MPEC 2020-T132 -- 887
568^R. Wainscoat on Mauna Kea in Hawaii, 1 in MPEC 2020-T138 -- 2020 TQ4
711McDonald Obs. in Texas, 4 in MPECs 2020-T130, 2020-T131, 2020-T132 & 2020-T133 -- 2020 TM4, 2020 TK4, 2020 TJ4, 2020 QY4
I34Morgantown Obs., 2 in MPEC 2020-T132 -- 162173, 3691
V01Mountainville Obs. in Utah, 1 in MPEC 2020-T124 -- 2020 TW3
G96Mt. Lemmon Survey (MLS) in Arizona, 50 in MPECs 2020-T120, 2020-T121, 2020-T122, 2020-T123, 2020-T126, 2020-T127, 2020-T128, 2020-T129, 2020-T130, 2020-T131, 2020-T132, 2020-T133, 2020-T134, 2020-T135, 2020-T136 & 2020-T137 -- 2020 TZ3, 2020 TY3, 2020 TV3, 2020 TU3, 2020 TP4, 2020 TP1, 2020 TO4, 2020 TN4, 2020 TM4, 2020 TK4, 2020 TJ4, 2020 TH4, 2020 TG4, 2020 TE, 2020 SV3, 2020 ST1, 2020 SS5, 2020 SR7, 2020 SN1, 2020 SL3, 2020 SL, 2020 SB, 2020 SA7, 2020 RR3, 2020 RP4, 2020 QP3, 2020 QM4, 2020 PX4, 2020 LA2, 2020 HO8, 2017 VT12, 2017 TK6, 2017 TF2, 2013 TD, 2013 MX5, 2010 UF7, 1998 MR24, 96315, 68372, 504711, 380321, 302830, 21374, 17188, 153306, 10860, 8037, 8014, 4450, 1580
F51Pan-STARRS 1 (PS1) in Hawaii, 18 in MPECs 2020-T124, 2020-T125, 2020-T130, 2020-T132, 2020-T137, 2020-T138, 2020-T139, 2020-T140 & 2020-T141 -- 2020 TX3, 2020 TW3, 2020 TV2, 2020 TQ4, 2020 TJ4, 2020 ST6, 2020 RP4, 2020 OC8, 2017 WQ, 2017 TK6, 2017 RD15, 2013 PF10, 2013 GX68, 469494, 443837, 392211, 23714, 236716
F52Pan-STARRS 2 (PS2) in Hawaii, 12 in MPECs 2020-T132, 2020-T137 & 2020-T141 -- 2020 TD1, 2020 RV8, 2020 QY4, 2020 QQ6, 2017 TK6, 2013 GX68, 2009 TK12, 96744, 504711, 404108, 140158, 6239
B49Paus Obs. in Spain, 1 in MPEC 2020-T142 -- 2020 TS4
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 3 in MPEC 2020-T132 -- 2007 VX137, 2004 RF84, 2001 SG286
A48Povegliano Veronese Obs. in Italy, 2 in MPEC 2020-T132 -- 2020 QU6, 2020 PC5
L18QOS Obs., 1 in MPEC 2020-T142 -- 2020 TS4
L04ROASTERR-1 in Romania, 1 in MPEC 2020-T142 -- 2020 TS4
H36Sandlot Obs. in Kansas, 3 in MPECs 2020-T121, 2020-T124 & 2020-T128 -- 2020 TW3, 2020 TU3, 2020 TG4
C95SATINO-1 in France, 1 in MPEC 2020-T132 -- 2020 QM1
204Schiaparelli Obs. in Italy, 1 in MPEC 2020-T124 -- 2020 TW3
291Spacewatch 1.8m telescope in Arizona, 4 in MPEC 2020-T132 -- 2019 PQ2, 2019 KG7, 2016 NJ33, 2010 GW62
W34Squirrel Valley Obs. in North Carolina, 3 in MPECs 2020-T132 & 2020-T136 -- 2020 TP4, 2020 OA2, 2013 PY6
I52Steward Obs. Mt. Lemmon Station in Arizona, 26 in MPECs 2020-T120, 2020-T121, 2020-T122, 2020-T126, 2020-T128, 2020-T129, 2020-T130, 2020-T131, 2020-T132, 2020-T133, 2020-T134, 2020-T135, 2020-T136, 2020-T137 & 2020-T142 -- 2020 TY3, 2020 TY2, 2020 TX1, 2020 TW, 2020 TV3, 2020 TU3, 2020 TU2, 2020 TS4, 2020 TR3, 2020 TR1, 2020 TQ3, 2020 TP4, 2020 TP, 2020 TO4, 2020 TN4, 2020 TN3, 2020 TM4, 2020 TK4, 2020 TJ4, 2020 TH4, 2020 TH3, 2020 TG4, 2020 TC3, 2020 SR7, 2020 SE4, 2017 TK6
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 6 in MPECs 2020-T125 & 2020-T132 -- 2020 TY1, 2020 TX3, 2020 TW, 2020 TT1, 2020 TR2, 2020 TO2
L01Visnjan Obs. in Croatia, 14 in MPECs 2020-T120, 2020-T121, 2020-T124, 2020-T126, 2020-T127, 2020-T128, 2020-T129, 2020-T130, 2020-T131, 2020-T132, 2020-T133, 2020-T135, 2020-T136 & 2020-T142 -- 2020 TZ3, 2020 TY3, 2020 TW3, 2020 TV3, 2020 TU3, 2020 TS4, 2020 TP4, 2020 TO4, 2020 TM4, 2020 TK4, 2020 TJ4, 2020 TH4, 2020 TG4, 2020 SR7
V19Whiskey Creek Obs., 11 in MPEC 2020-T132 -- 2020 QU6, 2013 PY6, 2007 VX137, 69230, 420302, 316695, 303262, 19764, 145656, 6239, 5143
L70Zvjezdarnica Graberje, 1 in MPEC 2020-T142 -- 2020 TS4
I41Zwicky Transient Facility (ZTF) in southern California, 7 in MPEC 2020-T132 -- 2016 TF93, 53430, 343158, 162911, 12711, 7350, 3199
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 14 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 TS4JPL Sentry23582103-211231.44703e-05-6.66-6.680JPL: Computed at 16:35 today Pacific time based on 36 observations spanning .69040 days (2020-Oct-14.208103 to 2020-Oct-14.898506). Diameter approximately 0.009 km. from weighted mean H=27.88.
2020 TZ3NEODyS21332072-2107111.89e-05-4.95-5.180NEODyS #2 for the day: "Based on 20 optical observations (of which 0 are rejected as outliers) from 2020-09-30.304 to 2020-10-14.104."
JPL Sentry17202072-210452.0665033e-05-4.90-5.090JPL #2 for the day: Computed at 08:34 today Pacific time based on 20 observations spanning 13.800 days (2020-Sep-30.30293 to 2020-Oct-14.10305). Diameter approximately 0.036 km. from weighted mean H=24.84.
2020 TU3NEODyS2133211411.02e-08-7.47-7.470NEODyS: "Based on 24 optical observations (of which 0 are rejected as outliers) from 2020-10-11.307 to 2020-10-14.041."
2020 TK3NEODyS21332056-2118265.06e-05-5.77-5.810NEODyS: "Based on 17 optical observations (of which 0 are rejected as outliers) from 2020-10-10.340 to 2020-10-13.891."
JPL Sentry17202056-2118255.83502947e-05-5.69-5.730JPL: Computed at 08:41 today Pacific time based on 17 observations spanning 3.5509 days (2020-Oct-10.339274 to 2020-Oct-13.890146). Diameter approximately 0.010 km. from weighted mean H=27.57.
2020 TJ3NEODyS21332044-2120983.46e-05-4.52-4.95n/aNEODyS: "Based on 23 optical observations (of which 0 are rejected as outliers) from 2020-10-11.172 to 2020-10-13.870."
JPL Sentry17202044-21202032.75268199e-05-4.62-5.550JPL: Computed at 08:54 today Pacific time based on 23 observations spanning 2.6983 days (2020-Oct-11.171145 to 2020-Oct-13.86949). Diameter approximately 0.041 km. from weighted mean H=24.59.
2020 TR2NEODyS2133R E M O V E D-
JPL Sentry17202080-208011.171e-10-9.46-9.460JPL: Computed at 08:20 today Pacific time based on 26 observations spanning 4.7098 days (2020-Oct-09.301735 to 2020-Oct-14.011537). Diameter approximately 0.053 km. from weighted mean H=24.02.
2020 TO2JPL Sentry17202119-211926.103e-06-6.24-6.430JPL: Computed at 08:27 today Pacific time based on 26 observations spanning 2.9960 days (2020-Oct-10.466226 to 2020-Oct-13.462263). Diameter approximately 0.017 km. from weighted mean H=26.55.
2020 TY1NEODyS21332092-2115214.5e-06-4.41-4.80NEODyS: "Based on 36 optical observations (of which 0 are rejected as outliers) from 2020-10-08.411 to 2020-10-14.031."
JPL Sentry17202092-2114124.3278103e-06-4.44-4.850JPL: Computed at 08:37 today Pacific time based on 36 observations spanning 5.6196 days (2020-Oct-08.410259 to 2020-Oct-14.029831). Diameter approximately 0.100 km. from weighted mean H=22.63.
2020 TT1NEODyS21332102-211739.25e-08-8.24-8.380NEODyS: "Based on 25 optical observations (of which 0 are rejected as outliers) from 2020-10-09.322 to 2020-10-13.469."
JPL Sentry17202102-210213.691e-08-8.57-8.570JPL: Computed at 08:40 today Pacific time based on 25 observations spanning 4.1464 days (2020-Oct-09.321534 to 2020-Oct-13.467956). Diameter approximately 0.013 km. from weighted mean H=27.07.
2020 TWNEODyS21332084-211742.67e-07-8.21-8.230NEODyS: "Based on 62 optical observations (of which 1 are rejected as outliers) from 2020-10-07.276 to 2020-10-14.472."
JPL Sentry17202076-211751.48939e-06-7.36-7.770JPL: Computed at 08:54 today Pacific time based on 62 observations spanning 7.1968 days (2020-Oct-07.274719 to 2020-Oct-14.471477). Diameter approximately 0.011 km. from weighted mean H=27.41.
2020 SX6NEODyS21332062-2118188.5e-08-8.44-8.880NEODyS: "Based on 37 optical observations (of which 0 are rejected as outliers) from 2020-09-26.393 to 2020-10-13.324."
JPL Sentry17202084-209462.5518e-07-7.95-8.490JPL: Computed at 08:14 today Pacific time based on 37 observations spanning 16.931 days (2020-Sep-26.39256 to 2020-Oct-13.323452). Diameter approximately 0.013 km. from weighted mean H=27.06.
2020 SP4NEODyS2133R E M O V E D-
JPL Sentry1720R E M O V E DJPL: Risk listing removed at 1508 UTC today
2020 FA1NEODyS2133211615.64e-10-10.42-10.420NEODyS: "Based on 74 optical observations (of which 0 are rejected as outliers) from 2020-03-16.480 to 2020-09-18.628."

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 14 October '20

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

2358Noted that JPL Sentry has posted 2020 TS4 as an impact risk - see above
2332Grabbed MPEC 2020-T142 - 2020 TS4 - see above
2133Noted that NEODyS has reposted 2020 FA1 as an impact risk - see above
Noted that NEODyS has removed 2020 SP4 as an impact risk - see above
Noted that NEODyS has updated its 2020 SX6 risk assessment - see above
Noted that NEODyS has updated its 2020 TJ3 risk assessment - see above
Noted that NEODyS has updated its 2020 TK3 risk assessment - see above
Noted that NEODyS has removed 2020 TR2 as an impact risk - see above
Noted that NEODyS has updated its 2020 TT1 risk assessment - see above
Noted that NEODyS has posted 2020 TU3 as an impact risk - see above
Noted that NEODyS has updated its 2020 TW risk assessment - see above
Noted that NEODyS has updated its 2020 TY1 risk assessment - see above
Noted that NEODyS has updated its 2020 TZ3 risk assessment - see above
Grabbed MPEC 2020-T138 - 2020 TQ4 - see above
Grabbed MPEC 2020-T139 - 2017 WQ - see above
Grabbed MPEC 2020-T140 - 2013 PF10 - see above
Grabbed MPEC 2020-T141 - 2013 GX68 - see above
1811Grabbed MPEC 2020-T137 - 2017 TK6 - see above
1720Noted that JPL Sentry has removed 2020 SP4 as an impact risk - see above
Noted that JPL Sentry has updated its 2020 SX6 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 TK3 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TO2 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TR2 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TT1 risk assessment - see above
Noted that JPL Sentry has updated its 2020 TW 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 TZ3 risk assessment - see above
Noted that NEODyS has posted 2020 TZ3 as an impact risk - see above
Grabbed MPEC 2020-T128 - 2020 TG4 - see above
Grabbed MPEC 2020-T129 - 2020 TH4 - see above
Grabbed MPEC 2020-T130 - 2020 TJ4 - see above
Grabbed MPEC 2020-T131 - 2020 TK4 - see above
Grabbed MPEC 2020-T132 - Daily Orbit Update - see above
Grabbed MPEC 2020-T133 - 2020 TM4 - see above
Grabbed MPEC 2020-T134 - 2020 TN4 - see above
Grabbed MPEC 2020-T135 - 2020 TO4 - see above
Grabbed MPEC 2020-T136 - 2020 TP4 - see above
Noted Radar Astrometry database update - see above
0505Noted that JPL Sentry has posted 2020 TZ3 as an impact risk - see above
0430Grabbed MPEC 2020-T124 - 2020 TW3 - see above
Grabbed MPEC 2020-T125 - 2020 TX3 - see above
Grabbed MPEC 2020-T126 - 2020 TY3 - see above
Grabbed MPEC 2020-T127 - 2020 TZ3 - see above
0030Grabbed MPEC 2020-T122 - 2020 TV3 - see above
Grabbed MPEC 2020-T123 - 2013 TD - see above
Noted Radar Astrometry database update - see above
0009Grabbed MPEC 2020-T120 - 2020 SR7 - see above
Grabbed MPEC 2020-T121 - 2020 TU3 - see above