Contents  on 14 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 14 February '20

The MPC's NEO Confirmation Page has 21 listings

When last checked at 2358 UTC today, the Minor Planet Center's Near Earth Object discovery Confirmation Page (NEOCP) had 21 objects listed. Of these, eleven were "one nighters." So far The Tracking News has counted a total of 29 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 February '20

Minor Planet Electronic Circulars

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


MPEC 2020-C136 - "21:02 UT" - 2020 CF2


MPEC 2020-C135 - "18:10 UT" - 2015 DB1


<< DOU on 14 February '20 >>  MPEC 2020-C134 - "12:06 UT" - Daily Orbit Update

Observers  on 14 February '20

A total of 27 observers appear in today's MPECs.

CodeObserver / observatory
V06Catalina Sky Survey Kuiper Telescope (CSS-Kuiper) in Arizona, 20 in MPEC 2020-C134 -- 2020 CP1, 2020 BS9, 2020 BR2, 2020 BP13, 2020 BN7, 2020 BN6, 2020 BM6, 2020 BL9, 2020 BL2, 2020 BK5, 2020 BK4, 2020 BJ13, 2020 BH9, 2020 BD2, 2020 BC5, 2020 BB13, 2020 BA5, 2020 AA3, 2019 YZ5, 2017 JU2
822Cordoba Obs. in Argentina, 1 in MPEC 2020-C134 -- 142555
V16Dark Sky New Mexico Obs. in New Mexico, 1 in MPEC 2020-C134 -- 163373
W84!program code "!" (10) via DECam in Chile, 2 in MPEC 2020-C134 -- 40329, 8034
734Farpoint Obs. in Kansas, 11 in MPEC 2020-C134 -- 2020 CX1, 2020 BZ11, 2020 BX10, 2020 BU12, 2020 BR10, 2020 BM14, 2020 BE2, 2017 BP31, 2017 BM123, 2016 WE1, 2011 UC292
E89Geyserland Obs. in New Zealand, 5 in MPEC 2020-C134 -- 36284, 159454, 142555, 5626, 1627
Q62[M. Suzuki in Japan via iTelescope Obs. Siding Spring in New South Wales, 1 in MPEC 2020-C136 -- 2020 CF2
695^Spacewatch via Kitt Peak Natl. Obs. (KPNO) in Arizona, 2 in MPEC 2020-C134 -- 2020 BA15, 2016 CC30
C401program code 1 via Kuban State Univ. Obs. in Russia, 2 in MPEC 2020-C134 -- 52768, 163373
V39LCO McDonald Obs. B in Texas, 1 in MPEC 2020-C134 -- 2020 CX1
130Lumezzane Obs. in Italy, 11 in MPEC 2020-C134 -- 2015 DE200, 2008 EE5, 90075, 525364, 511684, 331876, 281365, 18172, 159454, 153267, 138013
Z22MASTER IAC Obs. in the Canary Islands, 2 in MPEC 2020-C134 -- 36284, 1627
L52MASTER Tavrida, 1 in MPEC 2020-C134 -- 448818
K95MASTER-II Sutherland in South Africa, 1 in MPEC 2020-C134 -- 153249
G96Mt. Lemmon Survey (MLS) in Arizona, 2 in MPECs 2020-C135 & 2020-C136 -- 2020 CF2, 2015 DB1
F51Pan-STARRS 1 (PS1) in Hawaii, 2 in MPECs 2020-C134 & 2020-C135 -- 2019 JB1, 2015 DB1
H45Petit Jean Mtn. South Obs. (PJMSO) in Arkansas, 10 in MPEC 2020-C134 -- 2020 BZ11, 2020 BP14, 2019 XG1, 2019 WB6, 2016 UT80, 2016 AX147, 2008 EE5, 90075, 52768, 35107
654Pomona College Table Mtn. Obs. in southern California, 1 in MPEC 2020-C134 -- 2020 BX14
L18QOS Obs., 1 in MPEC 2020-C134 -- 2019 WB6
H36Sandlot Obs. in Kansas, 1 in MPEC 2020-C134 -- 2019 YR4
C95SATINO-1 in France, 1 in MPEC 2020-C134 -- 2017 BP31
291Spacewatch 1.8m telescope in Arizona, 8 in MPEC 2020-C134 -- 2020 CG, 2020 BZ14, 2020 BW8, 2020 BW7, 2020 BS3, 2020 BC6, 2020 BA14, 2020 BA10
I52Steward Obs. Mt. Lemmon Station in Arizona, 38 in MPECs 2020-C134, 2020-C135 & 2020-C136 -- 2020 CX1, 2020 CX, 2020 CN1, 2020 CK1, 2020 CH1, 2020 CG1, 2020 CG, 2020 CF2, 2020 CC2, 2020 CB1, 2020 CA2, 2020 BZ14, 2020 BZ12, 2020 BY12, 2020 BX3, 2020 BX14, 2020 BW2, 2020 BW13, 2020 BV13, 2020 BV1, 2020 BU12, 2020 BS7, 2020 BQ3, 2020 BP15, 2020 BO12, 2020 BM14, 2020 BL13, 2020 BG1, 2020 BF4, 2020 BD15, 2020 BA4, 2020 BA10, 2019 YS4, 2019 VE1, 2018 ET2, 2016 CA138, 2015 DB1, 2007 CH15
A16Tentlingen Obs. in Switzerland, 3 in MPEC 2020-C134 -- 90075, 512245, 35107
C57TESS in Earth orbit, 4 in MPEC 2020-C134 -- 2018 QV1, 2018 NU3, 523641, 410088
L01Visnjan Obs. in Croatia, 1 in MPEC 2020-C136 -- 2020 CF2
I41Zwicky Transient Facility (ZTF) in southern California, 2 in MPECs 2020-C134 & 2020-C136 -- 2020 CF2, 153267
For a list of all participating observatories that have Web addresses, see A/CC's Observatory Links page.

Impact Risk Monitoring  on 14 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 CF2JPL Sentry23002072-2118135.9417685e-06-6.90-7.260JPL: Computed at 14:40 today Pacific time based on 19 observations spanning 1.4880 days (2020-Feb-13.348681 to 2020-Feb-14.836724). Diameter approximately 0.011 km. from weighted mean H=27.50.
2020 CX1JPL Sentry1705R E M O V E DJPL: Risk listing removed at 1404 UTC today
2020 BA15JPL Sentry17052051-205334.656e-08-8.23-8.530JPL: Computed at 05:58 today Pacific time based on 29 observations spanning 14.024 days (2020-Jan-30.463929 to 2020-Feb-13.48787). Diameter approximately 0.012 km. from weighted mean H=27.31.
NEODyS17052051-205335.62e-09-9.17-9.50NEODyS: "Based on 29 optical observations (of which 0 are rejected as outliers) from 2020-01-30.465 to 2020-02-13.489."
2020 BA14JPL Sentry1705R E M O V E DJPL: Risk listing removed at 1336 UTC today
NEODyS1705205513.39e-08-6.08-6.080NEODyS: "Based on 22 optical observations (of which 0 are rejected as outliers) from 2020-01-26.547 to 2020-02-13.508."
2008 JD33JPL Sentry17052020-21171572.476628e-07-7.79-8.940JPL: Computed at 23:43 April 6th of 2017 Pacific time based on 13 observations spanning .11183 days (2008-May-15.28689 to 2008-May-15.39872). Diameter approximately 0.009 km. from weighted mean H=28.05.

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 February '20

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

2300Noted that JPL Sentry has posted 2020 CF2 as an impact risk - see above
2205Grabbed MPEC 2020-C136 - 2020 CF2 - see above
1834Grabbed MPEC 2020-C135 - 2015 DB1 - see above
1705Noted that JPL Sentry has updated its 2008 JD33 risk assessment - see above
Noted that JPL Sentry has removed 2020 BA14 as an impact risk - see above
Noted that NEODyS has updated its 2020 BA14 risk assessment - see above
Noted that JPL Sentry has updated its 2020 BA15 risk assessment - see above
Noted that NEODyS has updated its 2020 BA15 risk assessment - see above
Noted that JPL Sentry has removed 2020 CX1 as an impact risk - see above
Grabbed MPEC 2020-C134 - Daily Orbit Update - see above