A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted During September 2010

Compiled at 2359 UTC on 30 September 2010

<< August 2010 CRT | CRT Archive Index | October 2010 CRT >>

[ Today's risk monitoring & other observing news | object risks cleared in September | 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 SU15JPL Sentry1906 Sept. 302013-2109623.6e-08-8.60-9.300Analysis based on 12 observations spanning .13293 days (2010-Sep-30.25135 to 2010-Sep-30.38428). Diameter approximately 0.012 km. from mean, weighted H=27.5.
An assessment posting was noted by A/CC on 30 Sept.   -   References: MPEC 2010-S70
2010 SJ15JPL Sentry1744 Sept. 302014-2039112.1e-09-5.91-6.140Analysis based on 15 observations spanning 1.0654 days (2010-Sep-29.29976 to 2010-Sep-30.36515). Diameter approximately 0.133 km. from mean, weighted H=22.0.
An assessment posting was noted by A/CC on 30 Sept.   -   References: MPEC 2010-S67
2010 SH15JPL Sentry1744 Sept. 302014-2108581.4e-07-4.90-5.060Analysis based on 11 observations spanning .97413 days (2010-Sep-29.26958 to 2010-Sep-30.24371). Diameter approximately 0.121 km. from mean, weighted H=22.3.
An assessment posting was noted by A/CC on 30 Sept.   -   References: MPEC 2010-S66
2010 SF15JPL Sentry1744 Sept. 302012-2106371.1e-08-5.23-5.320Analysis based on 17 observations spanning 1.0088 days (2010-Sep-29.18778 to 2010-Sep-30.196598). Diameter approximately 0.183 km. from mean, weighted H=21.4.
An assessment posting was noted by A/CC on 30 Sept.   -   References: MPEC 2010-S64
2010 SK13NEODyS1437 Sept. 302080-208431.23e-05-6.05-6.200Based on 22 optical observations (of which 0 are rejected as outliers) from 2010/09/28.307 to 2010/09/29.842.
JPL Sentry1437 Sept. 302080-208431.1e-05-6.10-6.240Analysis based on 22 observations spanning 1.5346 days (2010-Sep-28.30637 to 2010-Sep-29.840957). Diameter approximately 0.011 km. from mean, weighted H=27.5.
Assessment postings were noted by A/CC on 30 Sept.   -   References: MPEC 2010-S61 plus DOU 2010-S63
2010 SG13NEODyS1437 Sept. 302012-20901193.22e-08-3.13-3.940Based on 14 optical observations (of which 0 are rejected as outliers) from 2010/09/27.107 to 2010/09/29.228.
JPL Sentry1437 Sept. 302021-2100361.7e-08-3.63-4.350Analysis based on 14 observations spanning 2.1205 days (2010-Sep-27.10646 to 2010-Sep-29.22699). Diameter approximately 0.875 km. from mean, weighted H=17.9.
Assessment postings were noted by A/CC on 30 Sept.   -   References: MPEC 2010-S58 plus DOU 2010-S63
2010 SW3NEODyS1352 Sept. 20204914.72e-10-10.18-10.180Based on 18 optical observations (of which 0 are rejected as outliers) from 2010/09/18.277 to 2010/09/19.377.
An assessment posting was noted by A/CC on 20 Sept.   -   References: MPEC 2010-S23
2010 ST3NEODyS1635 Sept. 20209812.34e-11-10.57-10.570Based on 10 optical observations (of which 0 are rejected as outliers) from 2010/09/16.488 to 2010/09/18.284.
An assessment posting was noted by A/CC on 20 Sept.   -   References: MPEC 2010-S20
2010 RK135JPL Sentry1820 Sept. 17209211.5e-07-7.44-7.440Analysis based on 15 observations spanning 2.0122 days (2010-Sep-15.36462 to 2010-Sep-17.37682). Diameter approximately 0.025 km. from mean, weighted H=25.6.
An assessment posting was noted by A/CC on 17 Sept.   -   References: MPEC 2010-S12
2010 RM80NEODyS1501 Sept. 19208513.34e-07-8.25-8.250Based on 47 optical observations (of which 0 are rejected as outliers) from 2010/09/11.286 to 2010/09/19.203.
JPL Sentry1501 Sept. 192085-2110191.3e-05-6.76-7.240Analysis based on 47 observations spanning 7.9169 days (2010-Sep-11.28495 to 2010-Sep-19.20187). Diameter approximately 0.009 km. from mean, weighted H=27.9.
Assessment postings were noted by A/CC on 12 Sept., 13 Sept., 15 Sept., 16 Sept., 17 Sept., 18 Sept. & 19 Sept.   -   References: MPEC 2010-R94 plus DOUs 2010-R113, 2010-S01, 2010-S10, 2010-S17 & 2010-S22
2010 RX30JPL Sentry1534 Sept. 132063-210335.2e-07-7.43-7.460Analysis based on 91 observations spanning 2.9582 days (2010-Sep-05.43059 to 2010-Sep-08.388761). Diameter approximately 0.012 km. from mean, weighted H=27.2.
NEODyS1526 Sept. 8R E M O V E D
Assessment postings were noted by A/CC on 6 Sept., 7 Sept., 8 Sept., 9 Sept., 10 Sept. & 13 Sept.   -   References: MPEC 2010-R50 plus DOUs 2010-R59, 2010-R71, 2010-R73, 2010-R78 & 2010-R106
2010 RF12NEODyS1530 Sept. 112095-210095.22e-02-3.33-3.330Based on 318 optical observations (of which 3 are rejected as outliers) from 2010/09/05.406 to 2010/09/08.516.
JPL Sentry1530 Sept. 112095-2110335.5e-02-3.31-3.310Analysis based on 316 observations spanning 3.1100 days (2010-Sep-05.40477 to 2010-Sep-08.514787). Diameter approximately 0.007 km. from mean, weighted H=28.4.
Assessment postings were noted by A/CC on 5 Sept., 6 Sept., 7 Sept., 8 Sept., 9 Sept., 10 Sept. & 11 Sept.   -   References: MPECs 2010-R41, 2010-R48 & 2010-R49 plus DOUs 2010-R51, 2010-R59, 2010-R71, 2010-R73, 2010-R78 & 2010-R83
2010 QG2NEODyS2131 Sept. 112051-207063.76e-06-4.95-4.980Based on 32 optical observations (of which 0 are rejected as outliers) from 2010/08/31.372 to 2010/09/03.430.
JPL Sentry1518 Sept. 72051-206463.4e-06-4.99-5.020Analysis based on 32 observations spanning 3.0580 days (2010-Aug-31.37082 to 2010-Sep-03.42881). Diameter approximately 0.048 km. from mean, weighted H=24.2.
Assessment postings were noted by A/CC on 1 Sept., 2 Sept., 3 Sept., 4 Sept., 7 Sept. & 11 Sept.   -   References: MPEC 2010-R03 plus DOUs 2010-R05, 2010-R12, 2010-R24 & 2010-R59
2008 EM68JPL Sentry0305 Sept. 132011-210811711.6e-05-5.47-6.080Analysis based on 12 observations spanning .11019 days (2008-Mar-08.25164 to 2008-Mar-08.36183). Diameter approximately 0.010 km. from mean, weighted H=27.7.
An assessment posting was noted by A/CC on 13 Sept.   -   References: no recent MPECs
C   L   E   A   R   E   D
2010 SDNEODyS1528 Sept. 18R E M O V E D
JPL Sentry1528 Sept. 18R E M O V E DRisk listing removed at 0952 UTC 18 Sept.
Assessment postings were noted by A/CC on 17 Sept. & 18 Sept.   -   References: MPEC 2010-S07 plus DOUs 2010-S17, 2010-S22, 2010-S35 & 2010-S40
2010 RD130NEODyS1528 Sept. 18R E M O V E D
JPL Sentry1528 Sept. 18R E M O V E DRisk listing removed at 0951 UTC 18 Sept.
Assessment postings were noted by A/CC on 17 Sept. & 18 Sept.   -   References: MPEC 2010-S04 plus DOUs 2010-S17 & 2010-S22
2010 RC130NEODyS1528 Sept. 18R E M O V E D
JPL Sentry1528 Sept. 18R E M O V E DRisk listing removed at 0950 UTC 18 Sept.
Assessment postings were noted by A/CC on 16 Sept., 17 Sept. & 18 Sept.   -   References: MPEC 2010-S03 plus DOUs 2010-S10, 2010-S17, 2010-S22, 2010-S27, 2010-S31, 2010-S38, 2010-S40, 2010-S42, 2010-S49, 2010-S53 & 2010-S63
2010 RA91JPL Sentry1501 Sept. 19R E M O V E DRisk listing removed at 0958 UTC 19 Sept.
NEODyS1528 Sept. 18R E M O V E D
Assessment postings were noted by A/CC on 14 Sept., 15 Sept., 16 Sept., 17 Sept., 18 Sept. & 19 Sept.   -   References: MPEC 2010-R110 plus DOUs 2010-S01, 2010-S10, 2010-S17, 2010-S22, 2010-S42 & 2010-S53
2010 RK53NEODyS1528 Sept. 18R E M O V E D
Assessment postings were noted by A/CC on 11 Sept., 17 Sept. & 18 Sept.   -   References: MPEC 2010-R81 plus DOUs 2010-S10 & 2010-S17
2010 RH43JPL Sentry1447 Sept. 10R E M O V E DRisk listing removed at 0949 UTC 10 Sept.
Assessment postings were noted by A/CC on 7 Sept. & 10 Sept.   -   References: MPEC 2010-R67 plus DOUs 2010-R78 & 2010-R83
2010 RG31NEODyS1703 Sept. 10R E M O V E D
JPL Sentry1447 Sept. 10R E M O V E DRisk listing removed at 0951 UTC 10 Sept.
Assessment postings were noted by A/CC on 6 Sept., 7 Sept. & 10 Sept.   -   References: MPEC 2010-R56 plus DOUs 2010-R78 & 2010-R83
2010 RQ30NEODyS1429 Sept. 9R E M O V E D
JPL Sentry1429 Sept. 9R E M O V E DRisk listing removed at 0953 UTC 9 Sept.
Assessment postings were noted by A/CC on 5 Sept., 6 Sept., 7 Sept. & 9 Sept.   -   References: MPEC 2010-R39 plus DOUs 2010-R59, 2010-R73, 2010-R78, 2010-R83, 2010-R91, 2010-S01, 2010-S10, 2010-S27, 2010-S49, 2010-S51 & 2010-S53
2010 RZ11NEODyS1429 Sept. 9R E M O V E D
JPL Sentry1429 Sept. 9R E M O V E DRisk listing removed at 0950 UTC 9 Sept.
Assessment postings were noted by A/CC on 4 Sept., 5 Sept. & 9 Sept.   -   References: MPEC 2010-R29 plus DOU 2010-R73
2010 RY3JPL Sentry1447 Sept. 10R E M O V E DRisk listing removed at 0949 UTC 10 Sept.
NEODyS1455 Sept. 6R E M O V E D
Assessment postings were noted by A/CC on 3 Sept., 4 Sept., 6 Sept. & 10 Sept.   -   References: MPEC 2010-R20 plus DOUs 2010-R51 & 2010-R78
2010 RX3JPL Sentry1455 Sept. 6R E M O V E DRisk listing removed at 0950 UTC 6 Sept.
Assessment postings were noted by A/CC on 3 Sept. & 6 Sept.   -   References: MPEC 2010-R19 plus DOUs 2010-R51, 2010-R73 & 2010-R78
2010 RW3NEODyS1429 Sept. 9R E M O V E D
Assessment postings were noted by A/CC on 4 Sept. & 9 Sept.   -   References: MPEC 2010-R18 plus DOUs 2010-R51, 2010-R73, 2010-R78, 2010-R83, 2010-S22, 2010-S27 & 2010-S42
2010 QE2NEODyS1524 Sept. 12R E M O V E D
Assessment postings were noted by A/CC on 1 Sept. & 12 Sept.   -   References: MPEC 2010-Q44 plus DOUs 2010-R91, 2010-R106, 2010-S17, 2010-S27, 2010-S42 & 2010-S53
2010 PS65JPL Sentry1549 Sept. 15R E M O V E DRisk listing removed at 0949 UTC 15 Sept.
Assessment postings were noted by A/CC on 1 Sept., 2 Sept., 6 Sept., 9 Sept., 10 Sept., 11 Sept., 13 Sept. & 15 Sept.   -   References: DOUs 2010-R01, 2010-R05, 2010-R51, 2010-R73, 2010-R78, 2010-R83, 2010-R106, 2010-R113 & 2010-S01
153814 2001 WN5NEODyS1416 Sept. 26R E M O V E D
An assessment posting was noted by A/CC on 26 Sept.   -   References: DOUs 2010-S49, 2010-S53 & 2010-S63

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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