A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 2234 UTC on 24 May 2016

[ The Tracking News | ephemerides | cleared ]

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
2016 JB29JPL Sentry1522 May 242046-2102101.6e-05-4.89-5.020Analysis based on 30 observations spanning 12.666 days (2016-May-11.37449 to 2016-May-24.0404). Diameter approximately 0.042 km. from mean, weighted H=24.5.
NEODyS1708 May 212046-2114173.0e-05-4.58-4.780Based on 30 optical observations (of which 2 are rejected as outliers) from 2016-05-11.375 to 2016-05-21.455.
Assessment postings were noted by A/CC on 13 May, 14 May, 16 May, 17 May, 18 May, 19 May, 21 May & 24 May   -   References: MPEC 2016-J125 plus DOUs 2016-K02, 2016-K05, 2016-K08, 2016-K19 & 2016-K24
2016 JB18NEODyS1441 May 142095-2116153.33e-04-5.16-5.460Based on 18 optical observations (of which 0 are rejected as outliers) from 2016-05-05.461 to 2016-05-13.352.
JPL Sentry1454 May 132085-2116201.0e-04-5.66-5.710Analysis based on 18 observations spanning 7.8918 days (2016-May-05.45985 to 2016-May-13.35169). Diameter approximately 0.010 km. from mean, weighted H=27.6.
Assessment postings were noted by A/CC on 9 May, 10 May, 11 May, 12 May, 13 May & 14 May   -   References: MPEC 2016-J94 plus DOUs 2016-J108, 2016-J113 & 2016-J121
2016 JA6JPL Sentry1601 May 222081-211573.0e-06-6.44-6.720Analysis based on 50 observations spanning 8.8273 days (2016-May-04.58285 to 2016-May-13.41013). Diameter approximately 0.018 km. from mean, weighted H=26.4.
NEODyS1601 May 222091-210952.34e-06-6.55-6.720Based on 52 optical observations (of which 2 are rejected as outliers) from 2016-05-04.584 to 2016-05-13.411.
Assessment postings were noted by A/CC on 5 May, 6 May, 7 May, 8 May, 9 May, 11 May, 12 May, 13 May & 22 May   -   References: MPEC 2016-J57 plus DOUs 2016-J66, 2016-J74, 2016-J93, 2016-J108, 2016-J113, 2016-J121 & 2016-K20
2016 JANEODyS1454 May 132080-209242.51e-07-8.07-8.250Based on 46 optical observations (of which 0 are rejected as outliers) from 2016-05-01.327 to 2016-05-11.385.
JPL Sentry2108 May 122064-210384.1e-07-7.84-8.370Analysis based on 46 observations spanning 10.057 days (2016-May-01.32646 to 2016-May-11.383784). Diameter approximately 0.011 km. from mean, weighted H=27.5.
Assessment postings were noted by A/CC on 3 May, 4 May, 5 May, 6 May, 7 May, 8 May, 9 May, 11 May, 12 May & 13 May   -   References: MPEC 2016-J16 plus DOUs 2016-J27, 2016-J43, 2016-J66, 2016-J74, 2016-J93, 2016-J108 & 2016-J113
2016 HF19NEODyS1731 May 142105-211645.6e-09-9.42-9.540Based on 79 optical observations (of which 3 are rejected as outliers) from 2016-04-30.418 to 2016-05-14.193.
JPL Sentry1535 May 14210519.0e-10-10.20-10.20Analysis based on 75 observations spanning 13.775 days (2016-Apr-30.41711 to 2016-May-14.19256). Diameter approximately 0.018 km. from mean, weighted H=26.4.
Assessment postings were noted by A/CC on 2 May, 3 May, 4 May, 5 May, 6 May, 7 May, 8 May, 9 May, 10 May, 11 May, 12 May, 13 May & 14 May   -   References: MPEC 2016-J11 plus DOUs 2016-J19, 2016-J27, 2016-J43, 2016-J66, 2016-J74, 2016-J80, 2016-J93, 2016-J101, 2016-J108, 2016-J113, 2016-J121 & 2016-J128
2016 HF3NEODyS1708 May 212078-211346.7e-05-4.27-4.270Based on 281 optical observations (of which 4 are rejected as outliers) from 2016-04-27.310 to 2016-05-20.411.
JPL Sentry1510 May 212078-211321.2e-04-4.02-4.020Analysis based on 276 observations spanning 23.100 days (2016-Apr-27.30971 to 2016-May-20.40984). Diameter approximately 0.038 km. from mean, weighted H=24.8.
Assessment postings were noted by A/CC on 29 April, 30 April, 1 May, 2 May, 3 May, 4 May, 5 May, 6 May, 7 May, 8 May, 9 May, 10 May, 11 May, 12 May, 13 May, 14 May, 15 May, 16 May, 17 May, 18 May, 19 May, 20 May & 21 May   -   References: MPEC 2016-H57 plus DOUs 2016-H66, 2016-J03, 2016-J08, 2016-J19, 2016-J27, 2016-J43, 2016-J66, 2016-J74, 2016-J80, 2016-J93, 2016-J101, 2016-J108, 2016-J113, 2016-J121, 2016-J128, 2016-J133, 2016-K02, 2016-K05, 2016-K08, 2016-K13, 2016-K16 & 2016-K19
2016 GS134JPL Sentry1833 May 22054-207023.6e-07-7.84-8.010Analysis based on 25 observations spanning 24.106 days (2016-Apr-02.42225 to 2016-Apr-26.528464). Diameter approximately 0.009 km. from mean, weighted H=27.9.
NEODyS1500 May 12054-210775.14e-07-7.69-8.010Based on 25 optical observations (of which 0 are rejected as outliers) from 2016-04-02.423 to 2016-04-26.529.
Assessment postings were noted by A/CC on 30 April, 1 May & 2 May   -   References: DOU 2016-H66
2016 GU2JPL Sentry2218 April 25211311.6e-08-6.97-6.970Analysis based on 28 observations spanning 7.0048 days (2016-Apr-03.25212 to 2016-Apr-10.256932). Diameter approximately 0.054 km. from mean, weighted H=24.0.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 GK2JPL Sentry0017 April 252092-211684.6e-05-5.95-6.140Analysis based on 22 observations spanning 22.084 days (2016-Mar-28.27796 to 2016-Apr-19.361788). Diameter approximately 0.009 km. from mean, weighted H=27.8.
NEODyS1830 April 242090-2116133.43e-05-6.09-6.170Based on 22 optical observations (of which 0 are rejected as outliers) from 2016-03-28.279 to 2016-04-19.363.
Assessment postings were noted by A/CC on 24 April & 25 April   -   References: DOU 2016-H42
2016 FX13JPL Sentry2218 April 25209712.2e-09-9.60-9.600Analysis based on 16 observations spanning 7.2406 days (2016-Mar-30.18778 to 2016-Apr-06.428361). Diameter approximately 0.016 km. from mean, weighted H=26.7.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 FW3NEODyS1605 May 4210211.29e-07-7.35-7.350Based on 80 optical observations (of which 2 are rejected as outliers) from 2016-03-19.272 to 2016-03-28.431.
JPL Sentry1430 May 4210223.5e-07-7.02-7.280Analysis based on 77 observations spanning 9.1588 days (2016-Mar-19.27166 to 2016-Mar-28.43045). Diameter approximately 0.027 km. from mean, weighted H=25.5.
Assessment postings were noted by A/CC on 4 May   -   References: DOU 2016-J27
2016 EM156JPL Sentry2323 April 252108-211652.0e-05-6.50-6.560Analysis based on 87 observations spanning 3.0992 days (2016-Mar-14.28899 to 2016-Mar-17.388175). Diameter approximately 0.009 km. from mean, weighted H=27.9.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 EV84NEODyS1605 May 4208011.51e-06-6.86-6.860Based on 94 optical observations (of which 5 are rejected as outliers) from 2016-03-10.453 to 2016-03-16.230.
An assessment posting was noted by A/CC on 4 May   -   References: DOU 2016-J27
2016 EP84JPL Sentry2218 April 252064-2116141.0e-03-4.55-4.740Analysis based on 50 observations spanning 36.016 days (2016-Mar-07.38821 to 2016-Apr-12.404536). Diameter approximately 0.011 km. from mean, weighted H=27.4.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 EO28JPL Sentry2218 April 252035-2054142.5e-04-5.31-5.330Analysis based on 33 observations spanning 14.183 days (2016-Mar-02.38036 to 2016-Mar-16.563329). Diameter approximately 0.005 km. from mean, weighted H=29.1.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 EG28JPL Sentry1902 May 242086-210832.1e-06-7.18-7.300Analysis based on 41 observations spanning 11.177 days (2016-Mar-05.26717 to 2016-Mar-16.444019). Diameter approximately 0.009 km. from mean, weighted H=27.8.
An assessment posting was noted by A/CC on 24 May   -   References: no MPECs
2016 DA31JPL Sentry2218 April 252028-21161841.3e-04-6.10-6.610Analysis based on 14 observations spanning .85160 days (2016-Feb-28.4092 to 2016-Feb-29.2608). Diameter approximately 0.004 km. from mean, weighted H=29.9.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2016 DK1JPL Sentry2234 May 242043-2113321.2e-04-5.12-5.610Analysis based on 58 observations spanning 18.326 days (2016-Feb-27.16982 to 2016-Mar-16.495854). Diameter approximately 0.012 km. from mean, weighted H=27.3.
NEODyS1601 May 222043-2115331.24e-04-5.13-5.670Based on 59 optical observations (of which 3 are rejected as outliers) from 2016-02-27.171 to 2016-03-16.497.
Assessment postings were noted by A/CC on 25 April, 11 May, 22 May, 23 May & 24 May   -   References: DOUs 2016-J108 & 2016-K20
2016 CY135JPL Sentry2234 May 242102-211487.0e-06-5.31-5.850Analysis based on 79 observations spanning 101.28 days (2016-Jan-31.321557 to 2016-May-11.599209). Diameter approximately 0.043 km. from mean, weighted H=24.5.
NEODyS1708 May 212102-211694.9e-06-5.47-5.980Based on 86 optical observations (of which 7 are rejected as outliers) from 2016-01-31.322 to 2016-05-11.600.
Assessment postings were noted by A/CC on 14 May, 16 May, 21 May, 22 May & 24 May   -   References: DOUs 2016-J128 & 2016-K19
2016 BEJPL Sentry2218 April 252105-211131.6e-06-5.44-5.480Analysis based on 200 observations spanning 86.998 days (2016-Jan-16.30652 to 2016-Apr-12.304908). Diameter approximately 0.066 km. from mean, weighted H=23.6.
An assessment posting was noted by A/CC on 25 April   -   References: no MPECs
2015 XA378NEODyS1521 May 122082-2115265.27e-05-4.77-4.980Based on 44 optical observations (of which 0 are rejected as outliers) from 2015-12-06.457 to 2015-12-18.239.
JPL Sentry0018 May 122092-2115195.3e-05-4.61-4.820Analysis based on 1 radar Doppler and 43 optical observations spanning 11.782 days (2015-Dec-06.456533 to 2015-Dec-18.23839). Diameter approximately 0.027 km. from mean, weighted H=25.5.
Assessment postings were noted by A/CC on 12 May   -   References: no recent MPECs, radar: 11 May
2010 MY112JPL Sentry0430 May 192017-21144407.0e-06-4.90-5.950Analysis based on 16 observations spanning 1.3894 days (2010-Jun-23.7441 to 2010-Jun-25.13348). Diameter approximately 0.029 km. from mean, weighted H=25.5.
An assessment posting was noted by A/CC on 19 May   -   References: no recent MPECs
2009 VZ39JPL Sentry0411 May 92016-21149297.1e-06-6.12-7.320Analysis based on 8 observations spanning .04342 days (2009-Nov-10.27204 to 2009-Nov-10.31546). Diameter approximately 0.009 km. from mean, weighted H=27.9.
An assessment posting was noted by A/CC on 9 May   -   References: no recent MPECs
1979 XBNEODyS1521 May 122056-211378.72e-07-2.96-3.280Based on 18 optical observations (of which 1 are rejected as outliers) from 1979-12-11.511 to 1979-12-15.430.
An assessment posting was noted by A/CC on 12 May   -   References: no recent MPECs
C   L   E   A   R   E   D
2016 JK34NEODyS1516 May 19R E M O V E D
Assessment postings were noted by A/CC on 18 May & 19 May   -   References: MPEC 2016-K06 plus DOU 2016-K13
2016 JD18JPL Sentry1508 May 10R E M O V E DRisk listing removed at 1457 UTC 10 May
Assessment postings were noted by A/CC on 9 May & 10 May   -   References: MPEC 2016-J96 plus DOUs 2016-J101, 2016-J108, 2016-J113, 2016-J121, 2016-J128, 2016-J133, 2016-K02, 2016-K05 & 2016-K08
2016 JY5JPL Sentry1510 May 9R E M O V E DRisk listing removed at 1409 UTC 9 May
Assessment postings were noted by A/CC on 7 May & 9 May   -   References: MPEC 2016-J54 plus DOUs 2016-J74, 2016-J93 & 2016-J101
2016 HP19NEODyS1557 May 8R E M O V E D
JPL Sentry1557 May 8R E M O V E DRisk listing removed at 1403 UTC 8 May
Assessment postings were noted by A/CC on 3 May, 4 May, 5 May, 7 May & 8 May   -   References: MPEC 2016-J21 plus DOUs 2016-J27, 2016-J43, 2016-J74, 2016-J80, 2016-J93, 2016-K13 & 2016-K16
2016 HD3NEODyS1510 May 4R E M O V E D
JPL Sentry0116 May 4R E M O V E DRisk listing removed at 0110 UTC 4 May
Assessment postings were noted by A/CC on 28 April, 29 April, 30 April, 1 May, 2 May, 3 May & 4 May   -   References: MPEC 2016-H54 plus DOUs 2016-H58, 2016-H66, 2016-J03, 2016-J08 & 2016-J27, radar: 4 May
2016 GB241JPL Sentry1621 May 5R E M O V E DRisk listing removed at 1602 UTC 5 May
NEODyS1442 May 2R E M O V E D
Assessment postings were noted by A/CC on 25 April, 27 April, 28 April, 2 May & 5 May   -   References: DOUs 2016-H44, 2016-H48, 2016-J08, 2016-J43, 2016-J66, 2016-J74, 2016-J101, 2016-J113 & 2016-K08
2016 GW220NEODyS1830 April 24R E M O V E D
JPL Sentry1506 April 23R E M O V E DRisk listing removed at 1503 UTC 23 April
Assessment postings were noted by A/CC on 23 April & 24 April   -   References: DOU 2016-H39
2016 FG60NEODyS1519 May 11R E M O V E D
JPL Sentry1831 May 10R E M O V E DRisk listing removed at 1808 UTC 10 May
Assessment postings were noted by A/CC on 5 May, 6 May, 10 May & 11 May   -   References: MPEC 2016-J61 plus DOUs 2016-J101 & 2016-J108
2016 FJ14JPL Sentry1442 April 25R E M O V E DRisk listing removed at 1400 UTC 25 April
An assessment posting was noted by A/CC on 25 April   -   References: DOUs 2016-H44, 2016-J66 & 2016-J108
2016 FCNEODyS1519 May 11R E M O V E D
JPL Sentry1519 May 11R E M O V E DRisk listing removed at 1508 UTC 11 May
Assessment postings were noted by A/CC on 29 April, 4 May & 11 May   -   References: DOUs 2016-H58, 2016-J27 & 2016-J108
2008 HU4NEODyS1517 April 28R E M O V E D
An assessment posting was noted by A/CC on 28 April   -   References: MPEC 2016-H52

Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale (next 100 years)

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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