A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted During August 2010

Compiled at 2359 UTC on 31 August 2010

<< July 2010 CRT | CRT Archive Index | September 2010 CRT >>

[ Today's risk monitoring & other observing news | object risks cleared in August | Ephemerides for Active Risk-Rated Objects ]

Missing something? Check the archives for objects not under active observation or recent analysis.

Notes: The time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090. Both risk monitors also post a few special objects with impact solutions beyond 100 years. For the latest official risk assessments, and for explanations of terminology and methodology, see the JPL NEO Program Sentry and NEODyS CLOMON (backup) risk pages.
0000NNN000

Object

Risk
Monitor
 A/CC  Noted 
 Time & Day 
UTC
0000T0000
Year
Range

VI
#
000NN00
Prob
Cum
T0000
PS
Cum
T0000
PS
Max

T
S


Notes for Latest Risk Assessments
2010 PS65JPL Sentry1442 Aug. 25210212.2e-06-5.79-5.790Analysis based on 35 observations spanning 10.022 days (2010-Aug-13.29423 to 2010-Aug-23.31639). Diameter approximately 0.041 km. from mean, weighted H=24.6.
Assessment postings were noted by A/CC on 15 Aug., 17 Aug., 18 Aug. & 25 Aug.   -   References: MPEC 2010-P65 plus DOUs 2010-Q07, 2010-Q10 & 2010-Q25
2010 NHNEODyS1516 Aug. 24208912.14e-07-7.24-7.240Based on 63 optical observations (of which 0 are rejected as outliers) from 2010/07/04.423 to 2010/07/19.242.
JPL Sentry1504 Aug. 242089-209221.7e-06-6.34-6.400Analysis based on 63 observations spanning 14.818 days (2010-Jul-04.42235 to 2010-Jul-19.240805). Diameter approximately 0.025 km. from mean, weighted H=25.7.
Assessment postings were noted by A/CC on 24 Aug.   -   References: DOU 2010-Q24
2010 MU112NEODyS1833 Aug. 242040-207251.38e-08-5.49-5.670Based on 25 optical observations (of which 0 are rejected as outliers) from 2010/06/30.073 to 2010/07/14.579.
JPL Sentry1504 Aug. 242040-207241.0e-08-5.58-5.800Analysis based on 25 observations spanning 14.506 days (2010-Jun-30.07214 to 2010-Jul-14.577992). Diameter approximately 0.220 km. from mean, weighted H=20.9.
Assessment postings were noted by A/CC on 24 Aug.   -   References: DOU 2010-Q24
101955 1999 RQ36JPL Sentry1500 Aug. 52169-219987.1e-04-1.12-1.52-Analysis based on 9 radar delay, 4 Doppler, and 282 optical observations spanning 2448.8 days (1999-Sep-11.4 to 2006-May-26.2). Diameter approximately 0.560 km. from mean, weighted H=20.7.
An assessment posting was noted by A/CC on 5 Aug.   -   References: DOU 2010-P23
C   L   E   A   R   E   D
2010 PR66JPL Sentry1519 Aug. 28R E M O V E DRisk listing removed at 0850 UTC 28 Aug.
NEODyS1426 Aug. 23R E M O V E D
Assessment postings were noted by A/CC on 16 Aug., 17 Aug., 19 Aug., 20 Aug., 21 Aug., 22 Aug., 23 Aug., 24 Aug., 25 Aug., 26 Aug., 27 Aug. & 28 Aug.   -   References: MPEC 2010-Q02 plus DOUs 2010-Q12, 2010-Q14, 2010-Q18, 2010-Q21, 2010-Q23, 2010-Q24, 2010-Q25, 2010-Q26, 2010-Q34, 2010-Q37, 2010-Q39, 2010-Q41 & 2010-Q42
2010 PM9NEODyS1459 Aug. 8R E M O V E D
JPL Sentry1433 Aug. 7R E M O V E DRisk listing removed at 0952 UTC 7 Aug.
Assessment postings were noted by A/CC on 7 Aug. & 8 Aug.   -   References: MPEC 2010-P31 plus DOUs 2010-P32, 2010-P40, 2010-P43, 2010-P45, 2010-P48, 2010-P53, 2010-P56, 2010-P61, 2010-Q01, 2010-Q10, 2010-Q12, 2010-Q18, 2010-Q21, 2010-Q23, 2010-Q24, 2010-Q25, 2010-Q26, 2010-Q34, 2010-Q39 & 2010-Q41
2010 OH126JPL Sentry1419 Aug. 16R E M O V E DRisk listing removed at 0949 UTC 16 Aug.
NEODyS1418 Aug. 16R E M O V E D
Assessment postings were noted by A/CC on 7 Aug., 8 Aug. & 16 Aug.   -   References: MPEC 2010-P38 plus DOU 2010-Q01
2010 NY65NEODyS1431 Aug. 5R E M O V E D
JPL Sentry1431 Aug. 5R E M O V E DRisk listing removed at 0954 UTC 5 Aug.
Assessment postings were noted by A/CC on 5 Aug.   -   References: DOUs 2010-P23 & 2010-P45
2010 LV108NEODyS1504 Aug. 24R E M O V E D
JPL Sentry1504 Aug. 24R E M O V E DRisk listing removed at 0949 UTC 24 Aug.
Assessment postings were noted by A/CC on 24 Aug.   -   References: DOU 2010-Q24
2010 KHNEODyS1634 Aug. 6R E M O V E D
JPL Sentry1634 Aug. 6R E M O V E DRisk listing removed at 0949 UTC 6 Aug.
Assessment postings were noted by A/CC on 6 Aug.   -   References: DOUs 2010-P25, 2010-P48 & 2010-P53
2001 FB90NEODyS1448 Aug. 1R E M O V E D
JPL Sentry1448 Aug. 1R E M O V E DRisk listing removed at 0955 UTC 1 Aug.
Assessment postings were noted by A/CC on 1 Aug.   -   References: DOU 2010-P02

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale

For a list of risk-rated objects currently under observation, see our ephemerides page.

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" for more information.


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