A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 30 Days

Compiled at 0452 UTC on 25 April 2014

[ 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 CLOMON2 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

2014 HG4	JPL Sentry	0448 April 25	2030-2106	9	1.0e-07	-3.74	-3.81	0	Analysis based on 50 observations spanning 3.5819 days (2014-Apr-21.32662 to 2014-Apr-24.90849). Diameter approximately 0.420 km. from mean, weighted H=19.5.
2014 HG4	An assessment posting was noted by A/CC on 25 April - References: MPEC 2014-H27

2014 HF3	JPL Sentry	1615 April 24	2052-2099	8	8.5e-08	-4.78	-4.90	0	Analysis based on 19 observations spanning 2.8968 days (2014-Apr-21.31912 to 2014-Apr-24.21594). Diameter approximately 0.332 km. from mean, weighted H=20.0.
2014 HF3	An assessment posting was noted by A/CC on 24 April - References: MPEC 2014-H26

2014 HV2	NEODyS	1538 April 24	2071-2071	1	4.3e-10	-9.69	-9.69	0	Based on 23 optical observations (of which 0 are rejected as outliers) from 2014-04-22.372 to 2014-04-24.024.
2014 HV2	An assessment posting was noted by A/CC on 24 April - References: MPEC 2014-H19

2014 HN2	NEODyS	1538 April 24	2066-2113	29	2.38e-05	-5.87	-6.18	0	Based on 38 optical observations (of which 0 are rejected as outliers) from 2014-04-21.245 to 2014-04-23.341.
	JPL Sentry	1538 April 24	2082-2113	6	1.4e-06	-7.01	-7.31	0	Analysis based on 38 observations spanning 2.0959 days (2014-Apr-21.24439 to 2014-Apr-23.34033). Diameter approximately 0.017 km. from mean, weighted H=26.5.
	Assessment postings were noted by A/CC on 23 April & 24 April - References: MPEC 2014-H15 plus DOU 2014-H23

2014 GY44	NEODyS	1508 April 9	2098-2098	1	1.54e-09	-9.21	-9.21	0	Based on 25 optical observations (of which 0 are rejected as outliers) from 2014-04-04.334 to 2014-04-09.373.
	JPL Sentry	1508 April 9	2039-2081	5	1.1e-06	-6.07	-6.29	0	Analysis based on 25 observations spanning 5.0390 days (2014-Apr-04.33275 to 2014-Apr-09.37178). Diameter approximately 0.029 km. from mean, weighted H=25.4.
	Assessment postings were noted by A/CC on 9 April - References: MPEC 2014-G55

2014 GQ17	NEODyS	1451 April 21	2052-2113	88	3.5e-05	-5.73	-6.59	0	Based on 84 optical observations (of which 6 are rejected as outliers) from 2014-04-05.273 to 2014-04-20.262.
	JPL Sentry	1529 April 20	2052-2113	78	4.3e-05	-5.65	-6.58	0	Analysis based on 78 observations spanning 14.981 days (2014-Apr-05.28067 to 2014-Apr-20.26169). Diameter approximately 0.013 km. from mean, weighted H=27.1.
	Assessment postings were noted by A/CC on 6 April, 7 April, 8 April, 9 April, 10 April, 11 April, 17 April, 20 April & 21 April - References: MPEC 2014-G31 plus DOUs 2014-G36, 2014-G43, 2014-G63, 2014-G65, 2014-G72 & 2014-H07

2014 GN1	JPL Sentry	1708 April 7	2061	1	1.0e-05	-4.53	-4.53	0	Analysis based on 83 observations spanning 4.1204 days (2014-Apr-02.2048 to 2014-Apr-06.32522). Diameter approximately 0.040 km. from mean, weighted H=24.6.
	NEODyS	1636 April 7	2061-2082	2	9.94e-06	-4.53	-4.53	0	Based on 88 optical observations (of which 5 are rejected as outliers) from 2014-04-02.206 to 2014-04-06.326.
	Assessment postings were noted by A/CC on 4 April, 5 April, 6 April & 7 April - References: MPEC 2014-G20 plus DOUs 2014-G21, 2014-G29 & 2014-G36

2014 FX32	JPL Sentry	1615 April 9	2057-2113	9	5.2e-06	-5.45	-5.79	0	Analysis based on 50 observations spanning 14.961 days (2014-Mar-25.48257 to 2014-Apr-09.443482). Diameter approximately 0.033 km. from mean, weighted H=25.1.
	NEODyS	1538 April 9	2057-2104	17	5.85e-06	-5.39	-5.69	0	Based on 50 optical observations (of which 0 are rejected as outliers) from 2014-03-25.483 to 2014-04-09.444.
	Assessment postings were noted by A/CC on 27 March, 28 March, 29 March, 30 March, 31 March, 1 April, 3 April, 4 April, 5 April, 6 April, 8 April & 9 April - References: MPEC 2014-F47 plus DOUs 2014-F58, 2014-F70, 2014-F74, 2014-F83, 2014-G01, 2014-G09, 2014-G13, 2014-G21, 2014-G29, 2014-G43 & 2014-G63

2014 FE	JPL Sentry	2309 April 17	2027-2089	17	2.5e-05	-5.30	-5.40	0	Analysis based on 14 observations spanning 1.9632 days (2014-Mar-20.26562 to 2014-Mar-22.22886). Diameter approximately 0.010 km. from mean, weighted H=27.7.
2014 FE	An assessment posting was noted by A/CC on 17 April - References: no MPECs

2014 EU	NEODyS	1622 March 29	2080-2113	11	9.96e-06	-6.61	-6.66	0	Based on 45 optical observations (of which 2 are rejected as outliers) from 2014-03-06.320 to 2014-03-29.316.
	JPL Sentry	1622 March 29	2080-2107	6	9.1e-06	-6.66	-6.71	0	Analysis based on 43 observations spanning 22.996 days (2014-Mar-06.31951 to 2014-Mar-29.315343). Diameter approximately 0.010 km. from mean, weighted H=27.7.
	Assessment postings were noted by A/CC on 29 March - References: DOU 2014-F70

2014 DN112	NEODyS	1622 March 29	2112-2112	4	2.38e-06	-3.58	-3.77	0	Based on 68 optical observations (of which 0 are rejected as outliers) from 2014-02-28.461 to 2014-03-29.201.
	JPL Sentry	1622 March 29	2112	4	2.9e-06	-3.48	-3.63	0	Analysis based on 68 observations spanning 28.740 days (2014-Feb-28.46059 to 2014-Mar-29.200522). Diameter approximately 0.350 km. from mean, weighted H=19.9.
	Assessment postings were noted by A/CC on 29 March - References: DOU 2014-F70

2013 YD48	JPL Sentry	1615 April 9	2099-2113	3	1.9e-06	-4.75	-4.77	0	Analysis based on 135 observations spanning 100.98 days (2013-Dec-29.40682 to 2014-Apr-09.386918). Diameter approximately 0.100 km. from mean, weighted H=22.6.
	NEODyS	1538 April 9	2105-2113	2	1.89e-06	-4.75	-4.76	0	Based on 136 optical observations (of which 1 are rejected as outliers) from 2013-12-29.408 to 2014-04-09.388.
	Assessment postings were noted by A/CC on 9 April - References: DOU 2014-G63

2013 FU13	NEODyS	1820 April 20	2081-2113	16	4.34e-05	-5.76	-6.12	0	Based on 22 optical observations (of which 1 are rejected as outliers) from 2013-03-24.350 to 2013-05-08.513.
	JPL Sentry	1529 April 20	2081-2112	6	7.3e-05	-5.54	-5.92	0	Analysis based on 21 observations spanning 45.163 days (2013-Mar-24.34961 to 2013-May-08.5126). Diameter approximately 0.012 km. from mean, weighted H=27.2.
	Assessment postings were noted by A/CC on 20 April - References: DOU 2014-H07

2009 FZ4	JPL Sentry	0405 March 29	2014-2110	317	3.3e-06	-5.21	-5.82	0	Analysis based on 11 observations spanning .59999 days (2009-Mar-19.36974 to 2009-Mar-19.96973). Diameter approximately 0.031 km. from mean, weighted H=25.2.
2009 FZ4	An assessment posting was noted by A/CC on 29 March - References: no recent MPECs

2009 FD	NEODyS	1501 March 31	2190-2191	2	1.5e-03	-1.87	-1.87	-	Based on 279 optical observations (of which 0 are rejected as outliers) from 2009-02-24.366 to 2014-03-26.157.
	JPL Sentry	1501 March 31	2190	1	1.5e-03	-1.88	-1.88	-	Analysis based on 259 observations spanning 1855.8 days (2009-Feb-24.36493 to 2014-Mar-26.15573). Diameter approximately 0.130 km. from mean, weighted H=22.1.
	Assessment postings were noted by A/CC on 26 March, 27 March & 31 March - References: DOUs 2014-F41, 2014-F83, 2014-G01, 2014-G06 & 2014-H07, radar: 10 April

2008 UY91	JPL Sentry	0448 April 25	2018-2107	36	2.1e-08	-6.95	-7.74	0	Analysis based on 13 observations spanning .11968 days (2008-Oct-28.2208 to 2008-Oct-28.34048). Diameter approximately 0.041 km. from mean, weighted H=24.6.
2008 UY91	An assessment posting was noted by A/CC on 25 April - References: no recent MPECs

2006 SC	JPL Sentry	2203 April 17	2043-2109	7	2.4e-06	-5.81	-6.37	0	Analysis based on 107 observations spanning 27.157 days (2006-Sep-16.24646 to 2006-Oct-13.403084). Diameter approximately 0.031 km. from mean, weighted H=25.2.
	NEODyS	2008 March 30	2043-2109	8	1.87e-06	-5.96	-6.49	0	Based on 111 optical observations (of which 7 are rejected as outliers) from 2006-09-16.247 to 2006-10-13.404.
	Assessment postings were noted by A/CC on 30 March & 17 April - References: DOU 2014-F74

2001 SD286	NEODyS	1539 April 6	2080-2083	2	2.57e-08	-7.92	-7.94	0	Based on 18 optical observations (of which 0 are rejected as outliers) from 2001-09-24.220 to 2001-09-29.408.
2001 SD286	An assessment posting was noted by A/CC on 6 April - References: DOU 2014-G29
C L E A R E D
2014 GG17	NEODyS	1527 April 13	R E M O V E D
	JPL Sentry	1527 April 13	R E M O V E D						Risk listing removed at 1403 UTC 13 April
	Assessment postings were noted by A/CC on 6 April, 7 April, 8 April, 9 April, 10 April, 11 April & 13 April - References: MPEC 2014-G26 plus DOUs 2014-G36, 2014-G43, 2014-G63, 2014-G65, 2014-G72, 2014-G82, 2014-H07, 2014-H10, 2014-H13 & 2014-H23

2014 FH54	JPL Sentry	1708 April 7	R E M O V E D						Risk listing removed at 1657 UTC 7 April
2014 FH54	Assessment postings were noted by A/CC on 4 April, 5 April & 7 April - References: MPEC 2014-G14 plus DOUs 2014-G21 & 2014-G36

2014 FZ43	JPL Sentry	1701 April 4	R E M O V E D						Risk listing removed at 1655 UTC 4 April
2014 FZ43	Assessment postings were noted by A/CC on 31 March & 4 April - References: MPEC 2014-F78 plus DOU 2014-G13

2014 FR37	NEODyS	1622 March 29	R E M O V E D
	JPL Sentry	1622 March 29	R E M O V E D						Risk listing removed at 1604 UTC 29 March
	Assessment postings were noted by A/CC on 28 March & 29 March - References: MPEC 2014-F60 plus DOUs 2014-F70, 2014-F74, 2014-F83, 2014-G06, 2014-G13, 2014-G63 & 2014-H07

2014 ER49	NEODyS	1803 April 10	R E M O V E D
	JPL Sentry	1615 April 9	R E M O V E D						Risk listing removed at 1602 UTC 9 April
	Assessment postings were noted by A/CC on 26 March, 28 March, 29 March, 30 March, 1 April, 3 April, 4 April, 6 April, 7 April, 8 April, 9 April & 10 April - References: DOUs 2014-F41, 2014-F58, 2014-F70, 2014-F74, 2014-G01, 2014-G09, 2014-G13, 2014-G29, 2014-G36, 2014-G43, 2014-G63, 2014-G65, 2014-G82, 2014-H03, 2014-H05, 2014-H06 & 2014-H07

2014 EQ49	JPL Sentry	1616 March 26	R E M O V E D						Risk listing removed at 1602 UTC 26 March
	NEODyS	1616 March 26	R E M O V E D
	Assessment postings were noted by A/CC on 26 March - References: DOU 2014-F41

2014 AF16	NEODyS	1611 April 5	R E M O V E D
	JPL Sentry	1611 April 5	R E M O V E D						Risk listing removed at 1604 UTC 5 April
	Assessment postings were noted by A/CC on 5 April - References: DOU 2014-G21

2013 EL89	NEODyS	1701 April 8	R E M O V E D
2013 EL89	An assessment posting was noted by A/CC on 8 April - References: DOU 2014-G43

2011 EU29	JPL Sentry	1701 April 4	R E M O V E D						Risk listing removed at 1648 UTC 4 April
	NEODyS	1535 April 4	R E M O V E D
	Assessment postings were noted by A/CC on 4 April - References: DOU 2014-G13

2007 VK184	JPL Sentry	1521 March 28	R E M O V E D						Risk listing removed at 0618 UTC 28 March
	NEODyS	1521 March 28	R E M O V E D
	Assessment postings were noted by A/CC on 28 March - References: MPEC 2014-F50

2004 BX159	JPL Sentry	1711 April 1	R E M O V E D						Risk listing removed at 1549 UTC 1 April
2004 BX159	An assessment posting was noted by A/CC on 1 April - References: no recent MPECs

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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