A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted During August 2008

Compiled at 2357 UTC on 31 August 2008


<< July 2008 CRT | CRT Archive Index | September 2008 CRT >>

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

Missing something? Here are 99942 Apophis (2004 MN4) and 144898 2004 VD17. Check the archives for others.

Note that the time horizon for JPL is 100 years from today and for NEODyS is usually the year 2090.
For the latest official risk assessments, and for explanations of the terminology, 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
2008 PK9NEODyS1457 Aug. 9204511.92e-08-6.24-6.240Based on 17 optical observations (of which 0 are rejected as outliers) from 2008/08/08.462 to 2008/08/08.759.
JPL Sentry1457 Aug. 92045-205748.3e-08-5.66-5.840Analysis based on 17 observations spanning .29787 days (2008-Aug-08.46082 to 2008-Aug-08.75869). Diameter approximately 0.080 km. from mean, weighted H=23.1.
Assessment postings were noted by A/CC on 8 Aug. & 9 Aug.   -   References: MPECs 2008-P40 & 2008-P43
2008 PG1JPL Sentry1527 Aug. 42013-2107971.1e-07-4.73-5.050Analysis based on 9 observations spanning .69419 days (2008-Aug-03.38046 to 2008-Aug-04.07465). Diameter approximately 0.209 km. from mean, weighted H=21.1.
An assessment posting was noted by A/CC on 4 Aug.   -   References: MPEC 2008-P14
2008 OO1JPL Sentry1539 Aug. 28210711.6e-07-6.85-6.850Analysis based on 42 observations spanning 31.710 days (2008-Jul-26.55201 to 2008-Aug-27.26171). Diameter approximately 0.041 km. from mean, weighted H=24.6.
Assessment postings were noted by A/CC on 2 Aug., 3 Aug., 6 Aug., 11 Aug. & 28 Aug.   -   References: MPECs 2008-P06, 2008-P07, 2008-P31, 2008-P50 & 2008-Q45
2008 OOJPL Sentry1452 Aug. 29210012.4e-07-4.11-4.110Analysis based on 102 observations spanning 32.061 days (2008-Jul-26.09211 to 2008-Aug-27.15357). Diameter approximately 0.380 km. from mean, weighted H=19.7.
NEODyS1541 Aug. 5R E M O V E D
Assessment postings were noted by A/CC on 31 July, 2 Aug., 3 Aug., 4 Aug., 5 Aug., 13 Aug., 14 Aug., 19 Aug., 22 Aug., 26 Aug. & 29 Aug.   -   References: MPECs 2008-O57, 2008-P06, 2008-P07, 2008-P10, 2008-P25, 2008-P61, 2008-P62, 2008-Q01, 2008-Q09, 2008-Q15, 2008-Q40 & 2008-Q54
2008 LANEODyS1613 Aug. 232058-207059.76e-05-3.15-3.150Based on 84 optical observations (of which 1 are rejected as outliers) from 2008/06/01.170 to 2008/08/13.557.
JPL Sentry1502 Aug. 232058-206139.8e-05-3.15-3.150Analysis based on 83 observations spanning 73.387 days (2008-Jun-01.16922 to 2008-Aug-13.555821). Diameter approximately 0.080 km. from mean, weighted H=23.1.
Assessment postings were noted by A/CC on 23 Aug.   -   References: MPEC 2008-Q22
C   L   E   A   R   E   D
2008 QT11JPL Sentry1452 Aug. 29R E M O V E DRisk listing removed at 0851 UTC 29 Aug.
Assessment postings were noted by A/CC on 28 Aug. & 29 Aug.   -   References: MPECs 2008-Q50 & 2008-Q54
2008 QS11NEODyS1513 Aug. 31R E M O V E D
JPL Sentry1513 Aug. 31R E M O V E DRisk listing removed at 0901 UTC 31 Aug.
Assessment postings were noted by A/CC on 28 Aug., 29 Aug. & 31 Aug.   -   References: MPECs 2008-Q46, 2008-Q54 & 2008-Q57
2008 QT3JPL Sentry1452 Aug. 29R E M O V E DRisk listing removed at 0851 UTC 29 Aug.
NEODyS1452 Aug. 29R E M O V E D
Assessment postings were noted by A/CC on 26 Aug., 27 Aug., 28 Aug. & 29 Aug.   -   References: MPECs 2008-Q41, 2008-Q44, 2008-Q45, 2008-Q54, 2008-Q55 & 2008-Q57
2008 QC1JPL Sentry1453 Aug. 26R E M O V E DRisk listing removed at 0850 UTC 26 Aug.
Assessment postings were noted by A/CC on 25 Aug. & 26 Aug.   -   References: MPECs 2008-Q36, 2008-Q40, 2008-Q45, 2008-Q55 & 2008-Q57
2008 QYJPL Sentry1507 Aug. 30R E M O V E DRisk listing removed at 0857 UTC 30 Aug.
NEODyS1506 Aug. 30R E M O V E D
Assessment postings were noted by A/CC on 25 Aug., 26 Aug. & 30 Aug.   -   References: MPECs 2008-Q33 & 2008-Q55
2008 PR9NEODyS1449 Aug. 13R E M O V E D
JPL Sentry1449 Aug. 13R E M O V E DRisk listing removed at 0903 UTC 13 Aug.
Assessment postings were noted by A/CC on 9 Aug., 10 Aug. & 13 Aug.   -   References: MPECs 2008-P45, 2008-P61, 2008-Q02 & 2008-Q11
2008 PJ9NEODyS1433 Aug. 20R E M O V E D
JPL Sentry1514 Aug. 16R E M O V E DRisk listing removed at 0850 UTC 16 Aug.
Assessment postings were noted by A/CC on 8 Aug., 9 Aug., 11 Aug., 13 Aug., 16 Aug. & 20 Aug.   -   References: MPECs 2008-P39, 2008-P43, 2008-P50, 2008-P61, 2008-Q01, 2008-Q11, 2008-Q22, 2008-Q24 & 2008-Q55
2008 PW4JPL Sentry1457 Aug. 9R E M O V E DRisk listing removed at 0855 UTC 9 Aug.
NEODyS1457 Aug. 9R E M O V E D
Assessment postings were noted by A/CC on 6 Aug., 7 Aug. & 9 Aug.   -   References: MPECs 2008-P32, 2008-P43, 2008-P48, 2008-P57, 2008-P61, 2008-Q01 & 2008-Q15
2008 PK3JPL Sentry1451 Aug. 6R E M O V E DRisk listing removed at 0851 UTC 6 Aug.
Assessment postings were noted by A/CC on 5 Aug. & 6 Aug.   -   References: MPECs 2008-P28, 2008-P31 & 2008-P61
2008 PH3JPL Sentry1451 Aug. 6R E M O V E DRisk listing removed at 0849 UTC 6 Aug.
Assessment postings were noted by A/CC on 5 Aug. & 6 Aug.   -   References: MPECs 2008-P26, 2008-P31, 2008-P57, 2008-P61, 2008-P62 & 2008-Q22
2008 PF1JPL Sentry1457 Aug. 9R E M O V E DRisk listing removed at 0854 UTC 9 Aug.
NEODyS1457 Aug. 9R E M O V E D
Assessment postings were noted by A/CC on 4 Aug., 5 Aug., 7 Aug. & 9 Aug.   -   References: MPECs 2008-P13, 2008-P25, 2008-P34, 2008-P43, 2008-P50, 2008-P61, 2008-P62, 2008-P64, 2008-Q01, 2008-Q02 & 2008-Q09
2008 ON13JPL Sentry1516 Aug. 21R E M O V E DRisk listing removed at 0853 UTC 21 Aug.
NEODyS1516 Aug. 21R E M O V E D
Assessment postings were noted by A/CC on 4 Aug., 5 Aug., 13 Aug. & 21 Aug.   -   References: MPECs 2008-P11, 2008-P61, 2008-Q13, 2008-Q15 & 2008-Q44
2008 OB9JPL Sentry1437 Aug. 25R E M O V E DRisk listing removed at 0849 UTC 25 Aug.
NEODyS1359 Aug. 11R E M O V E D
Assessment postings were noted by A/CC on 31 July, 1 Aug., 2 Aug., 4 Aug., 5 Aug., 11 Aug., 14 Aug., 17 Aug., 18 Aug., 19 Aug., 22 Aug. & 25 Aug.   -   References: MPECs 2008-O64, 2008-P06, 2008-P10, 2008-P25, 2008-P50, 2008-P62, 2008-Q02, 2008-Q04, 2008-Q09, 2008-Q15, 2008-Q32 & 2008-Q44
2008 OQ8NEODyS1451 Aug. 6R E M O V E D
JPL Sentry1451 Aug. 6R E M O V E DRisk listing removed at 0849 UTC 6 Aug.
Assessment postings were noted by A/CC on 1 Aug. & 6 Aug.   -   References: MPECs 2008-O62, 2008-P02, 2008-P31, 2008-P50, 2008-Q09, 2008-Q15 & 2008-Q45
2008 OP8NEODyS1400 Aug. 4R E M O V E D
JPL Sentry1400 Aug. 4R E M O V E DRisk listing removed at 0851 UTC 4 Aug.
Assessment postings were noted by A/CC on 31 July, 1 Aug., 2 Aug. & 4 Aug.   -   References: MPECs 2008-O61, 2008-P02, 2008-P06, 2008-P10, 2008-P31, 2008-P34, 2008-P43, 2008-P48, 2008-P57, 2008-P62, 2008-Q01, 2008-Q11, 2008-Q15, 2008-Q22, 2008-Q32, 2008-Q45 & 2008-Q57
2008 OO8JPL Sentry1341 Aug. 2R E M O V E DRisk listing removed at 0852 UTC 2 Aug.
NEODyS1341 Aug. 2R E M O V E D
Assessment postings were noted by A/CC on 31 July, 1 Aug. & 2 Aug.   -   References: MPECs 2008-O60, 2008-P06, 2008-P07, 2008-P25, 2008-P31, 2008-P43, 2008-P62 & 2008-Q32
2008 OT7NEODyS1341 Aug. 2R E M O V E D
JPL Sentry1326 Aug. 1R E M O V E DRisk listing removed at 0854 UTC 1 Aug.
Assessment postings were noted by A/CC on 31 July, 1 Aug. & 2 Aug.   -   References: MPECs 2008-O56, 2008-P02, 2008-P06, 2008-P07 & 2008-P43
2008 OS7JPL Sentry1419 Aug. 3R E M O V E DRisk listing removed at 0852 UTC 3 Aug.
NEODyS1326 Aug. 1R E M O V E D
Assessment postings were noted by A/CC on 31 July, 1 Aug., 2 Aug. & 3 Aug.   -   References: MPECs 2008-O55, 2008-P02, 2008-P06, 2008-P07, 2008-P10, 2008-P25, 2008-P31, 2008-P43, 2008-P50, 2008-P62, 2008-Q02, 2008-Q04, 2008-Q09, 2008-Q11, 2008-Q40 & 2008-Q55
2008 OC6JPL Sentry1454 Aug. 22R E M O V E DRisk listing removed at 0853 UTC 22 Aug.
NEODyS1454 Aug. 22R E M O V E D
Assessment postings were noted by A/CC on 31 July, 1 Aug. & 22 Aug.   -   References: MPECs 2008-P02 & 2008-Q15
2008 OY2JPL Sentry1326 Aug. 1R E M O V E DRisk listing removed at 0849 UTC 1 Aug.
An assessment posting was noted by A/CC on 1 Aug.   -   References: MPECs 2008-P02, 2008-P06, 2008-P10 & 2008-P43
2008 OX2JPL Sentry1341 Aug. 2R E M O V E DRisk listing removed at 0902 UTC 2 Aug.
NEODyS1341 Aug. 2R E M O V E D
Assessment postings were noted by A/CC on 2 Aug.   -   References: MPECs 2008-P06, 2008-P07, 2008-P10, 2008-P25, 2008-P31, 2008-P48, 2008-P62, 2008-Q01, 2008-Q02, 2008-Q09, 2008-Q11, 2008-Q15, 2008-Q22, 2008-Q32, 2008-Q40, 2008-Q54 & 2008-Q57

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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