Contents  on 30 July '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 30 July '20

The MPC's NEO Confirmation Page has 51 listings

When last checked at 2300 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 51 objects listed. Of these, 28 were "one nighters." So far The Tracking News has counted a total of 58 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 30 July '20

Minor Planet Electronic Circulars

As of last check at 2300 UTC, there have been eight MPECs posted today from the International Astronomical Union's Minor Planet Center in Cambridge, Massachusetts.


MPEC 2020-O174 - "21:38 UT" - 2012 KE25


MPEC 2020-O173 - "21:32 UT" - 2020 OY5


MPEC 2020-O172 - "15:01 UT" - 2019 QE6


MPEC 2020-O171 - "15:00 UT" - 2019 AE13


<< DOU on 30 July '20 >>  MPEC 2020-O170 - "12:02 UT" - Daily Orbit Update


MPEC 2020-O169 - "02:11 UT" - 2020 OX5


MPEC 2020-O168 - "02:08 UT" - 2020 OW5


MPEC 2020-O167 - "00:27 UT" - 2020 OV5

Observers  on 30 July '20

A total of 37 observers appear in today's MPECs.

CodeObserver / observatory
T05ATLAS Haleakala in Hawaii, 17 in MPECs 2020-O170 & 2020-O173 -- 2020 OY5, 2003 BK47, 96744, 85804, 85275, 66391, 420302, 380128, 271480, 145656, 137108, 136900, 136874, 11405, 10115, 4055, 1865
T08ATLAS Mauna Loa in Hawaii, 32 in MPECs 2020-O170 & 2020-O173 -- 2020 OY5, 2020 MQ3, 2020 MC4, 2020 LA2, 2020 KW7, 2019 NC1, 2016 PN, 2014 NE64, 2014 LW21, 2013 UX14, 2011 FY2, 2007 VX137, 2006 UD63, 2006 TU7, 2006 HB, 2002 JS2, 86829, 86039, 54789, 503960, 498066, 414960, 361123, 285567, 20826, 159402, 137799, 5751, 5645, 4954, 3691, 887
160Castelmartini Obs. in Italy, 8 in MPEC 2020-O170 -- 2020 OU5, 2018 LM4, 480936, 428086, 420302, 380128, 145656, 137108
703Catalina Sky Survey (CSS) in Arizona, 11 in MPECs 2020-O170, 2020-O173 & 2020-O174 -- 2020 OY5, 2020 OG4, 2019 PZ2, 2012 KE25, 2001 QE34, 500094, 382625, 354952, 106538, 4055, 1685
V06Catalina Sky Survey Kuiper Telescope in Arizona, 1 in MPEC 2020-O167 -- 2020 OV5
8071Marc W. Buie via Cerro Tololo Inter-American Obs. in Chile, 1 in MPEC 2020-O170 -- 2012 JM4
958Dax Obs. in France, 1 in MPEC 2020-O170 -- 2020 OU5
W84!program code "!" (10) via DECam in Chile, 11 in MPEC 2020-O170 -- 2017 FR90, 2017 BW32, 2016 NP16, 2016 FF15, 2016 CS247, 2015 MF60, 2015 FC36, 2015 AS45, 2014 FL33, 2013 CX129, 2011 SU67
W84*program code "*" (19) via DECam in Chile, 1 in MPEC 2020-O170 -- 2014 WV363
K87Dettelbach Vineyard Obs. in Germany, 4 in MPEC 2020-O170 -- 2020 OW5, 2020 OD, 2020 NA, 2020 HS8
A17Guidestar Obs. in Germany, 6 in MPEC 2020-O170 -- 2020 OG4, 2020 OE2, 2020 OD, 2018 LM4, 2017 XL62, 2014 QL433
L63HOB Obs., 1 in MPEC 2020-O170 -- 11405
U68JPL SynTrack Robotic Telescope, 1 in MPEC 2020-O169 -- 2020 OX5
246KLENOT in the Czech Republic, 2 in MPEC 2020-O170 -- 2020 OJ2, 2020 MX3
C401program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-O170 -- 85275
K93LCO Sutherland C in South Africa, 1 in MPEC 2020-O170 -- 2020 OK5
V01Mountainville Obs. in Utah, 2 in MPECs 2020-O170 & 2020-O173 -- 2020 OY5, 2020 OE4
V11MPC code V11, 1 in MPEC 2020-O170 -- 1036
G96Mt. Lemmon Survey (MLS) in Arizona, 17 in MPECs 2020-O168 & 2020-O170 -- 2020 OW5, 2020 OG4, 2020 ML3, 2020 HS8, 2014 XF32, 2001 KF54, 85275, 489235, 380128, 217430, 190208, 173689, 162173, 15817, 145656, 136900, 4055
J69North Obs. in England, 1 in MPEC 2020-O170 -- 2020 OU5
G34Oberfrauendorf Obs. in Germany, 1 in MPEC 2020-O170 -- 2020 OU5
C23Olmen Obs. in Belgium, 1 in MPEC 2020-O170 -- 85275
557Ondrejov Obs. in the Czech Republic, 1 in MPEC 2020-O170 -- 2006 UD63
F51Pan-STARRS 1 (PS1) in Hawaii, 22 in MPECs 2020-O167, 2020-O169, 2020-O170, 2020-O171, 2020-O172 & 2020-O174 -- 2020 OX5, 2020 OV5, 2020 OH4, 2020 LA2, 2020 KS1, 2020 BL9, 2019 QE6, 2019 QB2, 2019 OZ1, 2019 NA7, 2019 AE13, 2016 YO3, 2015 XK351, 2015 RG36, 2015 FF120, 2012 KE25, 2007 SW2, 2003 AA3, 2002 XU4, 477519, 343098, 887
F52Pan-STARRS 2 (PS2) in Hawaii, 24 in MPECs 2020-O170, 2020-O173 & 2020-O174 -- 2020 OY5, 2020 OT, 2020 OJ2, 2020 OG3, 2020 LB3, 2019 QB2, 2019 OH1, 2019 NA7, 2017 QM18, 2015 SY2, 2014 QL433, 2014 QL390, 2012 TB259, 2012 KE25, 2010 JJ3, 2010 GW62, 2005 MR5, 2003 OA3, 53430, 303262, 18736, 159928, 154269, 139047
K63Pascoli Obs. in Italy, 2 in MPECs 2020-O168 & 2020-O170 -- 2020 OW5, 2020 OU5
654Pomona College Table Mtn. Obs. in southern California, 1 in MPEC 2020-O170 -- 2020 OG2
247roving observer, 1 in MPEC 2020-O170 -- 420302
104San Marcello Pistoiese Obs. in Italy, 4 in MPECs 2020-O168, 2020-O169 & 2020-O170 -- 2020 OX5, 2020 OW5, 2020 OU5, 2006 UD63
C95SATINO-1 in France, 1 in MPEC 2020-O170 -- 2017 MW7
W885M. Kumrucu-Lohmiller in Massachusetts via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-O170 -- 467317
691Spacewatch 0.9m telescope in Arizona, 1 in MPEC 2020-O170 -- 2016 EF195
I93St. Pardon de Conques Obs. in France, 2 in MPECs 2020-O168 & 2020-O169 -- 2020 OX5, 2020 OW5
I52Steward Obs. Mt. Lemmon Station in Arizona, 18 in MPECs 2020-O168, 2020-O170, 2020-O173 & 2020-O174 -- 2020 OY5, 2020 OX4, 2020 OW5, 2020 OT1, 2020 OS4, 2020 OO2, 2020 ON1, 2020 OM4, 2020 OK1, 2020 OG4, 2020 OE4, 2020 OC1, 2020 OB1, 2020 MD2, 2020 LH1, 2020 KZ5, 2020 HH5, 2012 KE25
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 1 in MPEC 2020-O170 -- 2016 HO2
L01Visnjan Obs. in Croatia, 3 in MPECs 2020-O167, 2020-O168 & 2020-O169 -- 2020 OX5, 2020 OW5, 2020 OV5
I15Wishing Star Obs. in Rhode Island, 2 in MPEC 2020-O170 -- 8566, 1865
I41Zwicky Transient Facility (ZTF) in southern California, 18 in MPEC 2020-O170 -- 2020 MF2, 2017 XL62, 54660, 354663, 280136, 21088, 209924, 163902, 163693, 143678, 8507, 5869, 4544, 4055, 3200, 2100, 1036, 433
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 30 July '20

Summary Risk Table for Risk Assessments Updated Today   (last checks: NEODyS at 2300 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 OY5JPL Sentry23002063-208141.642509e-06-4.96-5.050JPL: Computed at 15:30 today Pacific time based on 32 observations spanning 1.9786 days (2020-Jul-28.486878 to 2020-Jul-30.465441). Diameter approximately 0.064 km. from weighted mean H=23.62.
2020 OX5NEODyS16002033-206343.08e-05-4.99-4.990NEODyS: "Based on 21 optical observations (of which 0 are rejected as outliers) from 2020-07-29.351 to 2020-07-30.079."
JPL Sentry04002033-206373.173832e-05-5.00-5.010JPL: Computed at 20:28 July 29th Pacific time based on 21 observations spanning .72804 days (2020-Jul-29.3501 to 2020-Jul-30.078144). Diameter approximately 0.014 km. from weighted mean H=26.98.
2020 OX4JPL Sentry16002067-211063.39086e-06-5.22-5.370JPL: Computed at 08:00 today Pacific time based on 30 observations spanning 4.7912 days (2020-Jul-25.552975 to 2020-Jul-30.34413). Diameter approximately 0.041 km. from weighted mean H=24.57.
NEODyS16002067-2116112.03e-06-5.44-5.740NEODyS: "Based on 30 optical observations (of which 0 are rejected as outliers) from 2020-07-25.554 to 2020-07-30.345."
2020 NK1NEODyS16002086-210293.72e-06-2.31-2.670NEODyS: "Based on 95 optical observations (of which 0 are rejected as outliers) from 2020-07-13.569 to 2020-07-29.141."
2020 DJ1JPL Sentry04002083-2117252.55647624e-05-4.72-4.950JPL: Computed at 06:34 March 11th Pacific time based on 24 observations spanning 6.8708 days (2020-Feb-17.24178 to 2020-Feb-24.1126). Diameter approximately 0.036 km. from weighted mean H=24.85.

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 30 July '20

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

2300Noted that JPL Sentry has posted 2020 OY5 as an impact risk - see above
2203Grabbed MPEC 2020-O173 - 2020 OY5 - see above
Grabbed MPEC 2020-O174 - 2012 KE25 - see above
1600Noted that NEODyS has updated its 2020 NK1 risk assessment - see above
Noted that JPL Sentry has updated its 2020 OX4 risk assessment - see above
Noted that NEODyS has updated its 2020 OX4 risk assessment - see above
Noted that NEODyS has posted 2020 OX5 as an impact risk - see above
Grabbed MPEC 2020-O170 - Daily Orbit Update - see above
Grabbed MPEC 2020-O171 - 2019 AE13 - see above
Grabbed MPEC 2020-O172 - 2019 QE6 - see above
0400Noted that JPL Sentry has updated its 2020 DJ1 risk assessment - see above
Noted that JPL Sentry has posted 2020 OX5 as an impact risk - see above
Grabbed MPEC 2020-O168 - 2020 OW5 - see above
Grabbed MPEC 2020-O169 - 2020 OX5 - see above
0142Grabbed MPEC 2020-O167 - 2020 OV5 - see above