Contents  on 27 February '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 27 February '20

The MPC's NEO Confirmation Page has 48 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 48 objects listed. Of these, 23 were "one nighters." So far The Tracking News has counted a total of 54 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 27 February '20

Minor Planet Electronic Circulars

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


MPEC 2020-D119 - "20:18 UT" - 2020 DO3


MPEC 2020-D118 - "19:34 UT" - 2020 DN3


MPEC 2020-D117 - "19:27 UT" - 2020 DM3


MPEC 2020-D116 - "16:26 UT" - 2020 BJ16


<< DOU on 27 February '20 >>  MPEC 2020-D115 - "15:27 UT" - Daily Orbit Update


MPEC 2020-D114 - "15:00 UT" - 2013 FZ7

Observers  on 27 February '20

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

CodeObserver / observatory
T05ATLAS Haleakala in Hawaii, 2 in MPEC 2020-D115 -- 2003 OC3, 458452
T08ATLAS Mauna Loa in Hawaii, 34 in MPECs 2020-D115 & 2020-D118 -- 2020 DP2, 2020 DN3, 2020 DC3, 2020 CL2, 2020 BE2, 2019 XN1, 2019 WB6, 2019 SH6, 2017 BM123, 86450, 86067, 85628, 68350, 506459, 500094, 388838, 36284, 353947, 35107, 34613, 30825, 231792, 214088, 18172, 159454, 139289, 13651, 11405, 7088, 5693, 5626, 1864, 1627, 1620
Z84Calar Alto Schmidt in Spain, 3 in MPECs 2020-D114, 2020-D117 & 2020-D119 -- 2020 DO3, 2020 DM3, 2013 FZ7
703Catalina Sky Survey (CSS) in Arizona, 32 in MPECs 2020-D115, 2020-D117 & 2020-D118 -- 2020 DP2, 2020 DN3, 2020 DM3, 2020 DD3, 2020 DC3, 2020 DA2, 2020 CX2, 2019 XN1, 2019 WB6, 2016 AX147, 2015 OL35, 2011 AM24, 2005 SQ, 54686, 53110, 500094, 388838, 36284, 353947, 306462, 25330, 163692, 15745, 137925, 11405, 106538, 7088, 5693, 5626, 2059, 1627, 1620
J04ESA Optical Ground Station (ESA OGS) in the Canary Islands, 11 in MPECs 2020-D114, 2020-D115, 2020-D117, 2020-D118 & 2020-D119 -- 2020 DR2, 2020 DO3, 2020 DN3, 2020 DM3, 2020 DM2, 2020 DJ3, 2020 DE2, 2020 CF2, 2020 BC9, 2016 EE157, 2013 FZ7
734Farpoint Obs. in Kansas, 5 in MPECs 2020-D115, 2020-D117 & 2020-D118 -- 2020 DN3, 2020 DM3, 2019 YR4, 2017 BE92, 2016 WE1
E10*program code "*" (19) via Faulkes Telescope South in New South Wales, 1 in MPEC 2020-D115 -- 2016 UJ101
L34Galhassin Robotic Telescope, 1 in MPEC 2020-D115 -- 2019 CT4
X31Galilei Obs., 2 in MPECs 2020-D117 & 2020-D118 -- 2020 DN3, 2020 DM3
H06iTelescope Obs. Mayhill in New Mexico, 1 in MPEC 2020-D115 -- 2020 CX2
C401program code 1 via Kuban State Univ. Obs. in Russia, 1 in MPEC 2020-D115 -- 52768
Z22MASTER IAC Obs. in the Canary Islands, 1 in MPEC 2020-D115 -- 333555
K95MASTER-II Sutherland in South Africa, 1 in MPEC 2020-D115 -- 274138
711McDonald Obs. in Texas, 14 in MPECs 2020-D115, 2020-D116, 2020-D117 & 2020-D118 -- 2020 DX, 2020 DN3, 2020 DM3, 2020 CX2, 2020 CV2, 2020 CN1, 2020 BV1, 2020 BJ6, 2020 BJ16, 2020 BD15, 2016 RW33, 2016 EE157, 2015 DZ197, 2015 BK509
G96Mt. Lemmon Survey (MLS) in Arizona, 37 in MPECs 2020-D115, 2020-D116, 2020-D117, 2020-D118 & 2020-D119 -- 2020 DO3, 2020 DN3, 2020 DM3, 2020 DJ3, 2020 CX2, 2020 BJ16, 2020 BB16, 2020 BA12, 2019 XN1, 2015 DD200, 90075, 65674, 54686, 512245, 500094, 462041, 39796, 391033, 353947, 306462, 285944, 26760, 252091, 232691, 190161, 163694, 162210, 162196, 162038, 154029, 138205, 11066, 8566, 5693, 5646, 2329, 719
F51Pan-STARRS 1 (PS1) in Hawaii, 3 in MPECs 2020-D115 & 2020-D116 -- 2020 BJ16, 2019 BT2, 2016 LW9
K63Pascoli Obs. in Italy, 2 in MPECs 2020-D117 & 2020-D118 -- 2020 DN3, 2020 DM3
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 15 in MPEC 2020-D115 -- 2020 DP2, 2020 DA2, 2020 CL2, 2020 BE2, 2020 BB16, 2019 XN1, 2019 XG1, 2019 WB6, 2017 BM123, 2016 AX147, 2011 AM24, 2005 SQ, 2000 BO28, 90075, 35107
654Pomona College Table Mtn. Obs. (PCTMO) in southern California, 4 in MPEC 2020-D115 -- 2020 DX, 2020 DG3, 2020 CN1, 2019 XW2
D29Purple Mtn. Obs. Xuyi Station in China, 24 in MPEC 2020-D115 -- 2020 DP2, 2020 DD3, 2020 CL2, 2020 BE2, 2020 BB16, 2019 WB6, 2016 GZ215, 2011 AM24, 2010 UE7, 2009 FU4, 2005 RZ2, 54686, 500094, 425450, 388838, 385843, 35107, 306462, 163692, 154029, 138205, 5693, 5646, 1627
L04ROASTERR-1 in Romania, 1 in MPEC 2020-D117 -- 2020 DM3
V83Rolling Hills Obs. in Missouri, 1 in MPEC 2020-D115 -- 2017 BM123
H36Sandlot Obs. in Kansas, 1 in MPEC 2020-D118 -- 2020 DN3
C95SATINO-1 in France, 3 in MPECs 2020-D115, 2020-D117 & 2020-D118 -- 2020 DN3, 2020 DM3, 2008 CZ21
204Schiaparelli Obs. in Italy, 15 in MPECs 2020-D115 & 2020-D117 -- 2020 DM3, 2020 DK2, 2020 DG2, 2020 CX1, 2020 CM2, 2020 CF2, 2020 BX12, 2020 BU12, 2020 BF10, 2020 BA4, 2017 MX4, 2017 BM123, 2016 CA138, 2015 BK509, 2013 BA74
033Schwarzschild Obs. in Germany, 4 in MPECs 2020-D115, 2020-D117, 2020-D118 & 2020-D119 -- 2020 DO3, 2020 DN3, 2020 DM3, 2015 BK509
G403Tony Evans in Portugal via Slooh.com Canary Islands Obs. in the Canary Islands, 1 in MPEC 2020-D118 -- 2020 DN3
W88!W.F. Cashwell in Nevada via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-D115 -- 2003 OC3
W88#program code "#" (12) via Slooh.com Chile Obs. in Chile, 1 in MPEC 2020-D115 -- 2020 DE3
691Spacewatch 0.9m telescope in Arizona, 7 in MPEC 2020-D115 -- 2020 CZ2, 2020 BX3, 2020 BU12, 2020 BA4, 2019 YH4, 2017 BE32, 2006 BA9
291Spacewatch 1.8m telescope in Arizona, 10 in MPEC 2020-D115 -- 2020 DM1, 2020 BY9, 2020 BK9, 2019 YY5, 2019 SR3, 2019 BT2, 2018 VG3, 2017 WP28, 2015 FS, 2013 CQ35
L39Spica Obs., 1 in MPEC 2020-D118 -- 2020 DN3
I52Steward Obs. Mt. Lemmon Station in Arizona, 23 in MPECs 2020-D115, 2020-D116, 2020-D117, 2020-D118 & 2020-D119 -- 2020 DZ1, 2020 DO3, 2020 DN3, 2020 DM3, 2020 DG3, 2020 DF3, 2020 DF2, 2020 DF1, 2020 DE3, 2020 DE2, 2020 DD3, 2020 DC3, 2020 CM2, 2020 CF2, 2020 BZ14, 2020 BV1, 2020 BU12, 2020 BS7, 2020 BS2, 2020 BQ3, 2020 BJ16, 2019 YS4, 2017 BE32
673!Jana Pittichova Chesley via Table Mtn. Obs. in southern California, 2 in MPECs 2020-D116 & 2020-D118 -- 2020 DN3, 2020 BJ16
T12UH/Tholen NEO Follow-Up 2.24m Telescope in Hawaii, 2 in MPEC 2020-D115 -- 2020 DY1, 2020 CK2
L01Visnjan Obs. in Croatia, 1 in MPEC 2020-D118 -- 2020 DN3
C51WISE in Earth polar orbit, 1 in MPEC 2020-D115 -- 416231
I41Zwicky Transient Facility (ZTF) in southern California, 24 in MPECs 2020-D115 & 2020-D116 -- 2020 BJ16, 2020 BE2, 2017 ME, 2017 BM123, 2017 BE92, 2015 OX78, 2014 QX390, 2010 UE7, 68548, 482244, 455554, 418265, 415267, 378610, 35107, 331876, 159454, 153243, 138205, 136582, 12923, 5646, 3838, 1862
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 27 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 DN3JPL Sentry21312107-211981.0578368e-06-7.03-7.590JPL: Computed at 13:02 today Pacific time based on 57 observations spanning 1.1200 days (2020-Feb-26.21575 to 2020-Feb-27.33572). Diameter approximately 0.015 km. from weighted mean H=26.77.
2020 DM3JPL Sentry21002109-210916.482e-07-6.87-6.870JPL: Computed at 12:28 today Pacific time based on 47 observations spanning 1.6233 days (2020-Feb-26.14966 to 2020-Feb-27.77298). Diameter approximately 0.020 km. from weighted mean H=26.19.
2020 DF3NEODyS19342053-2115192.15e-06-5.00-5.50NEODyS #2 for the day: "Based on 47 optical observations (of which 1 are rejected as outliers) from 2020-02-24.445 to 2020-02-27.236."
JPL Sentry19002053-2115132.96188e-06-4.82-5.260JPL: Computed at 10:57 today Pacific time based on 47 observations spanning 2.7905 days (2020-Feb-24.44469 to 2020-Feb-27.23523). Diameter approximately 0.051 km. from weighted mean H=24.12.
2020 DR2JPL Sentry23032074-211461.117338e-05-1.78-2.081JPL: Computed at 14:29 today Pacific time based on 143 observations spanning 6.7299 days (2020-Feb-20.19345 to 2020-Feb-26.923324). Diameter approximately 0.590 km. from weighted mean H=18.79.
NEODyS19342062-211481.64e-05-1.62-1.891NEODyS #2 for the day: "Based on 144 optical observations (of which 2 are rejected as outliers) from 2020-02-20.194 to 2020-02-26.924."
2020 DC2NEODyS1630R E M O V E D-
2020 CK2NEODyS19342063-2118911.74e-04-5.99-6.510NEODyS: "Based on 27 optical observations (of which 1 are rejected as outliers) from 2020-02-14.506 to 2020-02-25.622."
JPL Sentry19002063-2112380.000857742332-5.26-5.320JPL: Computed at 10:38 today Pacific time based on 26 observations spanning 11.116 days (2020-Feb-14.50537 to 2020-Feb-25.621523). Diameter approximately 0.005 km. from weighted mean H=29.25.
2020 CF2NEODyS19342096-2116141.69e-04-5.41-5.440NEODyS #2 for the day: "Based on 81 optical observations (of which 2 are rejected as outliers) from 2020-02-13.349 to 2020-02-27.323."
JPL Sentry19002072-2120157.3028143e-06-6.82-7.140JPL: Computed at 10:47 today Pacific time based on 80 observations spanning 13.973 days (2020-Feb-13.349028 to 2020-Feb-27.32197). Diameter approximately 0.011 km. from weighted mean H=27.51.
2020 BHNEODyS16302104-211781.97e-06-7.74-7.910NEODyS: "Based on 59 optical observations (of which 1 are rejected as outliers) from 2020-01-18.333 to 2020-02-15.393."
2020 AY1NEODyS1630210314.16e-11-10.89-10.890NEODyS: "Based on 126 optical observations (of which 4 are rejected as outliers) from 2020-01-05.242 to 2020-02-19.255."

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 27 February '20

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

2303Noted that JPL Sentry has updated its 2020 DR2 risk assessment - see above
2131Noted that JPL Sentry has posted 2020 DN3 as an impact risk - see above
2100Noted that JPL Sentry has posted 2020 DM3 as an impact risk - see above
Grabbed MPEC 2020-D119 - 2020 DO3 - see above
2002Grabbed MPEC 2020-D118 - 2020 DN3 - see above
1934Noted that NEODyS has updated its 2020 CF2 risk assessment - see above
Noted that NEODyS has updated its 2020 CK2 risk assessment - see above
Noted that NEODyS has updated its 2020 DF3 risk assessment - see above
Noted that NEODyS has updated its 2020 DR2 risk assessment - see above
Grabbed MPEC 2020-D117 - 2020 DM3 - see above
1900Noted that JPL Sentry has updated its 2020 CF2 risk assessment - see above
Noted that JPL Sentry has updated its 2020 CK2 risk assessment - see above
Noted that JPL Sentry has updated its 2020 DF3 risk assessment - see above
1630Noted that NEODyS has updated its 2020 AY1 risk assessment - see above
Noted that NEODyS has updated its 2020 BH risk assessment - see above
Noted that NEODyS has updated its 2020 CF2 risk assessment - see above
Noted that NEODyS has removed 2020 DC2 as an impact risk - see above
Noted that NEODyS has updated its 2020 DF3 risk assessment - see above
Noted that NEODyS has updated its 2020 DR2 risk assessment - see above
Grabbed MPEC 2020-D114 - 2013 FZ7 - see above
Grabbed MPEC 2020-D115 - Daily Orbit Update - see above
Grabbed MPEC 2020-D116 - 2020 BJ16 - see above