A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 0445 UTC on 15 March 2010

[ The Tracking News | ephemerides | cleared ]

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 ED43	JPL Sentry	0445 March 15	2019-2100	17	6.2e-09	-5.11	-5.54	0	Analysis based on 29 observations spanning 1.1291 days (2010-Mar-13.22287 to 2010-Mar-14.35199). Diameter approximately 0.340 km. from mean, weighted H=20.0.
	An assessment posting was noted by A/CC on 15 March - References: MPEC 2010-E72

2010 EC43	JPL Sentry	0445 March 15	2036-2108	17	5.5e-08	-6.24	-6.76	0	Analysis based on 14 observations spanning 1.7485 days (2010-Mar-13.18571 to 2010-Mar-14.93422). Diameter approximately 0.099 km. from mean, weighted H=22.7.
	An assessment posting was noted by A/CC on 15 March - References: MPEC 2010-E71

2010 DJ77	NEODyS	1601 March 10	2016-2082	25	1.37e-08	-6.44	-7.41	0	Based on 8 optical observations (of which 0 are rejected as outliers) from 2010/02/20.500 to 2010/02/21.361.
	An assessment posting was noted by A/CC on 10 March - References: MPEC 2010-E31

2010 DG77	NEODyS	1704 March 10	2020-2087	86	2.13e-05	-4.97	-5.76	0	Based on 6 optical observations (of which 0 are rejected as outliers) from 2010/02/19.176 to 2010/02/19.772.
	JPL Sentry	1601 March 9	2012-2108	847	2.0e-05	-4.45	-5.55	0	Analysis based on 6 observations spanning .59543 days (2010-Feb-19.17573 to 2010-Feb-19.77116). Diameter approximately 0.041 km. from mean, weighted H=24.6.
	Assessment postings were noted by A/CC on 9 March & 10 March - References: MPEC 2010-E29

2010 DM56	NEODyS	1642 March 13	2068-2086	13	4.07e-06	-2.92	-3.42	0	Based on 40 optical observations (of which 0 are rejected as outliers) from 2010/02/19.271 to 2010/03/09.065.
	JPL Sentry	1642 March 13	2071-2086	12	4.0e-06	-2.93	-3.43	0	Analysis based on 40 observations spanning 17.795 days (2010-Feb-19.26983 to 2010-Mar-09.0644). Diameter approximately 0.370 km. from mean, weighted H=19.8.
	Assessment postings were noted by A/CC on 27 Feb., 3 March & 13 March - References: MPECs 2010-D85, 2010-E09 & 2010-E62

2010 CS19	JPL Sentry	2108 March 8	2104	4	3.7e-05	-6.29	-6.32	0	Analysis based on 43 observations spanning 4.0065 days (2010-Feb-15.32692 to 2010-Feb-19.333453). Diameter approximately 0.009 km. from mean, weighted H=28.0.
	NEODyS	1422 Feb. 19	R E M O V E D
	Assessment postings were noted by A/CC on 16 Feb., 17 Feb., 18 Feb., 19 Feb. & 8 March - References: MPECs 2010-C77, 2010-D17, 2010-D39, 2010-D48 & 2010-D59

2010 CQ19	JPL Sentry	1640 Feb. 20	2105	1	5.0e-08	-8.53	-8.53	0	Analysis based on 22 observations spanning 4.0576 days (2010-Feb-15.27907 to 2010-Feb-19.33667). Diameter approximately 0.013 km. from mean, weighted H=27.1.
	NEODyS	1447 Feb. 18	R E M O V E D
	Assessment postings were noted by A/CC on 16 Feb., 17 Feb., 18 Feb., 19 Feb. & 20 Feb. - References: MPECs 2010-C75, 2010-D17, 2010-D39, 2010-D48 & 2010-D56

2010 CK19	NEODyS	2215 Feb. 28	2081-2089	3	7.05e-07	-7.94	-8.14	0	Based on 33 optical observations (of which 0 are rejected as outliers) from 2010/02/14.334 to 2010/02/16.470.
	JPL Sentry	1600 Feb. 23	2089-2107	5	1.3e-06	-7.68	-8.11	0	Analysis based on 33 observations spanning 2.1365 days (2010-Feb-14.33293 to 2010-Feb-16.46946). Diameter approximately 0.009 km. from mean, weighted H=27.9.
	Assessment postings were noted by A/CC on 16 Feb., 17 Feb., 23 Feb. & 28 Feb. - References: MPECs 2010-C69, 2010-D04, 2010-D17 & 2010-D73

2010 CR5	NEODyS	1615 March 14	2030-2087	8	5.95e-08	-4.35	-4.52	0	Based on 38 optical observations (of which 0 are rejected as outliers) from 2010/02/09.328 to 2010/02/20.326.
	JPL Sentry	1615 March 14	2050-2087	7	7.2e-08	-4.35	-4.58	0	Analysis based on 38 observations spanning 10.998 days (2010-Feb-09.3273 to 2010-Feb-20.325661). Diameter approximately 0.372 km. from mean, weighted H=19.8.
	Assessment postings were noted by A/CC on 12 Feb., 14 Feb., 15 Feb., 16 Feb., 17 Feb., 18 Feb., 19 Feb. & 14 March - References: MPECs 2010-C53, 2010-C60, 2010-D17, 2010-D39, 2010-D48 & 2010-E66

2010 CA	NEODyS	1601 March 9	2022	1	5.56e-06	-4.30	-4.30	0	Based on 60 optical observations (of which 0 are rejected as outliers) from 2010/02/05.197 to 2010/02/14.098.
	JPL Sentry	2108 March 8	2022	1	5.3e-06	-4.32	-4.32	0	Analysis based on 60 observations spanning 8.9008 days (2010-Feb-05.19638 to 2010-Feb-14.097229). Diameter approximately 0.043 km. from mean, weighted H=24.5.
	Assessment postings were noted by A/CC on 12 Feb., 13 Feb., 14 Feb., 15 Feb., 16 Feb., 19 Feb., 20 Feb., 28 Feb., 8 March & 9 March - References: MPECs 2010-C46, 2010-C48, 2010-C53, 2010-C60, 2010-D48 & 2010-D56

2008 EM68	JPL Sentry	0513 March 12	2010-2108	1172	1.6e-05	-5.46	-6.08	0	Analysis 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 12 March - References: no recent MPECs

2005 YU55	NEODyS	1533 March 12	2043-2109	93	2.88e-04	-2.30	-2.56	1	Based on 51 optical observations (of which 1 are rejected as outliers) from 2005/12/24.299 to 2010/03/06.343.
	JPL Sentry	0513 March 12	2043-2109	61	8.1e-04	-1.83	-2.00	1	Analysis based on 51 observations spanning 1533.0 days (2005-Dec-24.29832 to 2010-Mar-06.342175). Diameter approximately 0.140 km. from mean, weighted H=21.9.
	Assessment postings were noted by A/CC on 24 Feb. & 12 March - References: MPECs 2010-D58, 2010-E22, 2010-E36 & 2010-E62

153814 2001 WN5	NEODyS	1533 March 12	2106-2133	6	3.01e-05	-1.72	-1.73	-	Based on 128 optical observations (of which 7 are rejected as outliers) from 1996/02/10.397 to 2010/03/06.400.
	JPL Sentry	0513 March 12	2133	1	1.3e-05	-2.07	-2.07	-	Analysis based on 124 observations spanning 5138.0 days (1996-Feb-10.39593 to 2010-Mar-06.399287). Diameter approximately 0.770 km. from mean, weighted H=18.2.
	Assessment postings were noted by A/CC on 13 Feb., 19 Feb. & 12 March - References: no recent MPECs
C L E A R E D
2010 EH20	NEODyS	1615 March 14	R E M O V E D
	JPL Sentry	1615 March 14	R E M O V E D						Risk listing removed at 1049 UTC 14 March
	Assessment postings were noted by A/CC on 13 March & 14 March - References: MPECs 2010-E61 & 2010-E66

2010 DW1	JPL Sentry	1640 Feb. 20	R E M O V E D						Risk listing removed at 1132 UTC 20 Feb.
	An assessment posting was noted by A/CC on 20 Feb. - References: MPECs 2010-D52, 2010-D56, 2010-D59, 2010-D61, 2010-D78, 2010-D83, 2010-E01, 2010-E10, 2010-E13, 2010-E22, 2010-E25, 2010-E27, 2010-E28 & 2010-E45

2010 DJ1	JPL Sentry	2102 Feb. 19	R E M O V E D						Risk listing removed at 2051 UTC 19 Feb.
	Assessment postings were noted by A/CC on 18 Feb. & 19 Feb. - References: MPECs 2010-D43, 2010-D56, 2010-D59, 2010-D60 & 2010-D78, radar: 14 March

2010 DH1	JPL Sentry	1422 Feb. 19	R E M O V E D						Risk listing removed at 1133 UTC 19 Feb.
	Assessment postings were noted by A/CC on 18 Feb. & 19 Feb. - References: MPECs 2010-D42, 2010-D48, 2010-D56 & 2010-E13

2010 DG1	NEODyS	1419 Feb. 26	R E M O V E D
	JPL Sentry	1419 Feb. 26	R E M O V E D						Risk listing removed at 1051 UTC 26 Feb.
	Assessment postings were noted by A/CC on 18 Feb., 19 Feb., 20 Feb., 24 Feb. & 26 Feb. - References: MPECs 2010-D41, 2010-D56, 2010-D76 & 2010-D83

2010 DP	NEODyS	1422 Feb. 19	R E M O V E D
	JPL Sentry	1422 Feb. 19	R E M O V E D						Risk listing removed at 1131 UTC 19 Feb.
	Assessment postings were noted by A/CC on 17 Feb., 18 Feb. & 19 Feb. - References: MPECs 2010-D38, 2010-D48, 2010-D56, 2010-D76, 2010-D78, 2010-D83, 2010-E25 & 2010-E62

2010 DM	JPL Sentry	1500 Feb. 24	R E M O V E D						Risk listing removed at 1054 UTC 24 Feb.
	NEODyS	1500 Feb. 24	R E M O V E D
	Assessment postings were noted by A/CC on 17 Feb., 18 Feb., 19 Feb., 20 Feb. & 24 Feb. - References: MPECs 2010-D34, 2010-D39, 2010-D48, 2010-D56, 2010-D76 & 2010-E13

2010 DJ	JPL Sentry	1447 Feb. 18	R E M O V E D						Risk listing removed at 1133 UTC 18 Feb.
	Assessment postings were noted by A/CC on 17 Feb. & 18 Feb. - References: MPECs 2010-D31 & 2010-D39

2010 DA	JPL Sentry	1447 Feb. 18	R E M O V E D						Risk listing removed at 1101 UTC 18 Feb.
	NEODyS	1447 Feb. 18	R E M O V E D
	Assessment postings were noted by A/CC on 17 Feb. & 18 Feb. - References: MPECs 2010-D16, 2010-D39, 2010-D48, 2010-D59, 2010-D61, 2010-D73, 2010-D78, 2010-D87, 2010-E02, 2010-E09, 2010-E13, 2010-E17, 2010-E62 & 2010-E66

2010 CH55	JPL Sentry	1422 Feb. 25	R E M O V E D						Risk listing removed at 1049 UTC 25 Feb.
	NEODyS	1640 Feb. 20	R E M O V E D
	Assessment postings were noted by A/CC on 17 Feb., 18 Feb., 19 Feb., 20 Feb. & 25 Feb. - References: MPECs 2010-D27, 2010-D48, 2010-D56, 2010-D78, 2010-E17, 2010-E62 & 2010-E66

2010 CO44	JPL Sentry	2231 Feb. 17	R E M O V E D						Risk listing removed at 2135 UTC 17 Feb.
	NEODyS	2012 Feb. 17	R E M O V E D
	Assessment postings were noted by A/CC on 16 Feb. & 17 Feb. - References: MPECs 2010-D09, 2010-D17, 2010-D39, 2010-D48 & 2010-D78

2010 CN44	JPL Sentry	1500 March 11	R E M O V E D						Risk listing removed at 1049 UTC 11 March
	NEODyS	1519 March 5	R E M O V E D
	Assessment postings were noted by A/CC on 17 Feb., 19 Feb., 20 Feb., 3 March, 5 March & 11 March - References: MPECs 2010-D08, 2010-D48, 2010-D56, 2010-E09, 2010-E13 & 2010-E45

2010 CL19	NEODyS	1519 March 5	R E M O V E D
	JPL Sentry	1519 March 5	R E M O V E D						Risk listing removed at 1054 UTC 5 March
	Assessment postings were noted by A/CC on 24 Feb., 25 Feb. & 5 March - References: MPECs 2010-C70, 2010-D17, 2010-D39, 2010-E13 & 2010-E17

2010 CJ19	JPL Sentry	1419 Feb. 16	R E M O V E D						Risk listing removed at 1046 UTC 16 Feb.
	An assessment posting was noted by A/CC on 16 Feb. - References: MPECs 2010-C68, 2010-D04, 2010-D17, 2010-D59, 2010-D73 & 2010-D83

2010 CG19	JPL Sentry	1640 Feb. 20	R E M O V E D						Risk listing removed at 1049 UTC 20 Feb.
	NEODyS	1640 Feb. 20	R E M O V E D
	Assessment postings were noted by A/CC on 16 Feb., 18 Feb., 19 Feb. & 20 Feb. - References: MPECs 2010-C66, 2010-D39, 2010-D48, 2010-D56, 2010-D78, 2010-D83, 2010-E13, 2010-E17 & 2010-E66

2010 CF19	JPL Sentry	2144 Feb. 17	R E M O V E D						Risk listing removed at 2131 UTC 17 Feb.
	NEODyS	2012 Feb. 17	R E M O V E D
	Assessment postings were noted by A/CC on 16 Feb. & 17 Feb. - References: MPECs 2010-C65, 2010-D17, 2010-D39, 2010-D48, 2010-D56, 2010-D78, 2010-E09 & 2010-E13

2010 CD19	JPL Sentry	2102 Feb. 17	R E M O V E D						Risk listing removed at 2050 UTC 17 Feb.
	Assessment postings were noted by A/CC on 16 Feb. & 17 Feb. - References: MPECs 2010-C63, 2010-D17, 2010-D39, 2010-D56, 2010-D78, 2010-E13, 2010-E17, 2010-E22 & 2010-E62

2010 CM1	NEODyS	2007 Feb. 13	R E M O V E D
	An assessment posting was noted by A/CC on 13 Feb. - References: MPECs 2010-C48, 2010-C53 & 2010-D04

2009 WJ1	JPL Sentry	1419 Feb. 16	R E M O V E D						Risk listing removed at 1050 UTC 16 Feb.
	An assessment posting was noted by A/CC on 16 Feb. - References: MPEC 2010-D04

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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