A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 30 Days

Compiled at 2126 UTC on 23 July 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 NL39NEODyS1701 July 202057-2116981.0e-03-4.45-4.850Based on 26 optical observations (of which 0 are rejected as outliers) from 2016-07-13.464 to 2016-07-17.239.
JPL Sentry1611 July 182055-2115611.4e-03-4.33-4.680Analysis based on 26 observations spanning 3.7756 days (2016-Jul-13.462934 to 2016-Jul-17.238539). Diameter approximately 0.011 km. from mean, weighted H=27.4.
Assessment postings were noted by A/CC on 17 July, 18 July & 20 July   -   References: MPEC 2016-O183 plus DOU 2016-O271
2016 NA39NEODyS1701 July 202029-207756.11e-08-3.49-3.60Based on 19 optical observations (of which 0 are rejected as outliers) from 2016-07-13.446 to 2016-07-16.373.
JPL Sentry1810 July 162021-21151281.0e-06-2.53-3.200Analysis based on 18 observations spanning 2.9270 days (2016-Jul-13.44525 to 2016-Jul-16.37228). Diameter approximately 0.861 km. from mean, weighted H=18.0.
Assessment postings were noted by A/CC on 16 July, 17 July & 20 July   -   References: MPEC 2016-O33 plus DOU 2016-O274
2016 NG33JPL Sentry1503 July 15202911.0e-10-7.35-7.350Analysis based on 19 observations spanning 3.1543 days (2016-Jul-11.31139 to 2016-Jul-14.4657). Diameter approximately 0.210 km. from mean, weighted H=21.1.
An assessment posting was noted by A/CC on 15 July   -   References: MPEC 2016-N97 plus DOU 2016-N132
2016 NK22NEODyS1701 July 202084-21161102.84e-04-5.86-5.970Based on 28 optical observations (of which 1 are rejected as outliers) from 2016-07-09.159 to 2016-07-11.295.
JPL Sentry1700 July 202084-2115857.0e-04-5.47-5.670Analysis based on 27 observations spanning 2.1367 days (2016-Jul-09.15786 to 2016-Jul-11.294604). Diameter approximately 0.005 km. from mean, weighted H=28.9.
Assessment postings were noted by A/CC on 10 July, 11 July & 20 July   -   References: MPEC 2016-N66 plus DOUs 2016-N70 & 2016-O274
2016 LG10NEODyS1852 July 6210831.78e-06-6.39-6.770Based on 53 optical observations (of which 3 are rejected as outliers) from 2016-06-07.387 to 2016-07-03.474.
JPL Sentry1852 July 6210833.3e-06-6.11-6.440Analysis based on 51 observations spanning 26.087 days (2016-Jun-07.3861 to 2016-Jul-03.473141). Diameter approximately 0.026 km. from mean, weighted H=25.6.
Assessment postings were noted by A/CC on 5 July & 6 July   -   References: DOUs 2016-N24 & 2016-N28
2016 JB29NEODyS1842 July 132081-2114161.61e-05-4.92-5.240Based on 131 optical observations (of which 4 are rejected as outliers) from 2016-05-11.375 to 2016-07-06.597.
JPL Sentry1842 July 132081-2114131.1e-05-5.15-5.450Analysis based on 123 observations spanning 56.222 days (2016-May-11.37449 to 2016-Jul-06.596056). Diameter approximately 0.038 km. from mean, weighted H=24.7.
Assessment postings were noted by A/CC on 13 July   -   References: DOU 2016-N80
2016 EV84JPL Sentry2226 July 182056-208032.4e-06-6.69-6.770Analysis based on 94 observations spanning 5.8816 days (2016-Mar-10.45216 to 2016-Mar-16.33377). Diameter approximately 0.015 km. from mean, weighted H=26.8.
NEODyS1810 July 162073-208021.24e-06-6.91-7.090Based on 99 optical observations (of which 5 are rejected as outliers) from 2016-03-10.453 to 2016-03-16.335.
Assessment postings were noted by A/CC on 16 July & 18 July   -   References: DOU 2016-O29
2016 EP84NEODyS2126 July 232084-211672.24e-07-8.23-8.540Based on 58 optical observations (of which 0 are rejected as outliers) from 2016-03-07.389 to 2016-05-25.040.
JPL Sentry1521 July 232086-210643.1e-05-6.09-6.100Analysis based on 58 observations spanning 78.651 days (2016-Mar-07.38821 to 2016-May-25.038875). Diameter approximately 0.011 km. from mean, weighted H=27.4.
Assessment postings were noted by A/CC on 16 July, 18 July & 23 July   -   References: DOUs 2016-O29 & 2016-O285
2016 DK1JPL Sentry2226 July 182043-2115331.6e-04-5.00-5.470Analysis based on 62 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.
NEODyS1810 July 162043-2115381.55e-04-5.05-5.580Based on 63 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 16 July & 18 July   -   References: DOU 2016-O29
2016 CY135NEODyS1701 July 202103-211581.52e-06-5.98-6.430Based on 94 optical observations (of which 7 are rejected as outliers) from 2016-01-31.322 to 2016-07-13.468.
JPL Sentry1700 July 202103-211451.6e-06-5.93-6.140Analysis based on 87 observations spanning 164.15 days (2016-Jan-31.321557 to 2016-Jul-13.467461). Diameter approximately 0.044 km. from mean, weighted H=24.4.
Assessment postings were noted by A/CC on 20 July   -   References: DOU 2016-O274
2016 BENEODyS1730 July 2211411.73e-09-8.44-8.440Based on 202 optical observations (of which 1 are rejected as outliers) from 2016-01-16.307 to 2016-06-30.170.
JPL Sentry1548 July 2210511.7e-09-8.41-8.410Analysis based on 201 observations spanning 165.86 days (2016-Jan-16.30652 to 2016-Jun-30.168884). Diameter approximately 0.066 km. from mean, weighted H=23.6.
Assessment postings were noted by A/CC on 2 July   -   References: DOU 2016-N06
2015 YM1NEODyS1250 July 232096-211596.26e-06-7.18-7.290Based on 39 optical observations (of which 1 are rejected as outliers) from 2015-12-18.322 to 2016-01-07.489.
JPL Sentry1858 July 222096-211567.6e-06-7.10-7.190Analysis based on 38 observations spanning 20.167 days (2015-Dec-18.32137 to 2016-Jan-07.487873). Diameter approximately 0.007 km. from mean, weighted H=28.4.
Assessment postings were noted by A/CC on 22 July & 23 July   -   References: DOU 2016-O283
2015 YJNEODyS1250 July 232042-21161021.76e-03-4.12-4.360Based on 29 optical observations (of which 0 are rejected as outliers) from 2015-12-16.289 to 2015-12-19.273.
JPL Sentry1858 July 222042-2115521.8e-03-4.13-4.360Analysis based on 29 observations spanning 2.9846 days (2015-Dec-16.28791 to 2015-Dec-19.27253). Diameter approximately 0.007 km. from mean, weighted H=28.3.
Assessment postings were noted by A/CC on 22 July & 23 July   -   References: DOU 2016-O283
2015 VO142NEODyS1250 July 232046-2107141.57e-06-7.96-8.260Based on 107 optical observations (of which 0 are rejected as outliers) from 2015-11-06.498 to 2015-11-22.068.
JPL Sentry1858 July 222046-2110144.7e-06-7.60-8.270Analysis based on 107 observations spanning 15.570 days (2015-Nov-06.497654 to 2015-Nov-22.06765). Diameter approximately 0.005 km. from mean, weighted H=29.0.
Assessment postings were noted by A/CC on 22 July & 23 July   -   References: DOU 2016-O283
2014 GN1NEODyS1723 July 212061-208231.95e-05-4.22-4.220Based on 90 optical observations (of which 3 are rejected as outliers) from 2014-03-25.172 to 2014-04-06.326.
JPL Sentry1722 July 21206112.1e-05-4.17-4.170Analysis based on 87 observations spanning 12.154 days (2014-Mar-25.171471 to 2014-Apr-06.32522). Diameter approximately 0.041 km. from mean, weighted H=24.6.
Assessment postings were noted by A/CC on 21 July   -   References: DOU 2016-O280
2012 HG2JPL Sentry1722 July 212053-21163182.0e-03-3.94-4.370Analysis based on 207 observations spanning 38.978 days (2012-Apr-20.37147 to 2012-May-29.3498). Diameter approximately 0.014 km. from mean, weighted H=27.0.
An assessment posting was noted by A/CC on 21 July   -   References: DOU 2016-O280
2010 MA113NEODyS1701 July 20207812.05e-11-7.38-7.380Based on 18 optical observations (of which 0 are rejected as outliers) from 2010-06-25.534 to 2010-06-26.989.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
2010 MZ112NEODyS1701 July 202032-2107347.6e-07-6.89-7.60Based on 7 optical observations (of which 0 are rejected as outliers) from 2010-06-23.957 to 2010-06-24.684.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
2010 MY112NEODyS1701 July 202018-2109432.03e-08-4.90-5.490Based on 16 optical observations (of which 0 are rejected as outliers) from 2010-06-23.745 to 2010-06-25.134.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
2010 JA43NEODyS1701 July 202019-2115361.19e-08-6.22-6.830Based on 21 optical observations (of which 0 are rejected as outliers) from 2010-05-04.540 to 2010-05-07.252.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
2010 DG77NEODyS1701 July 202037-2115564.53e-08-7.18-7.50Based on 11 optical observations (of which 1 are rejected as outliers) from 2010-02-19.176 to 2010-02-19.772.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
2010 CANEODyS1723 July 21R E M O V E D
JPL Sentry1722 July 21202212.5e-09-7.32-7.320Analysis based on 64 observations spanning 19.683 days (2010-Jan-25.414529 to 2010-Feb-14.097229). Diameter approximately 0.044 km. from mean, weighted H=24.4.
Assessment postings were noted by A/CC on 21 July   -   References: DOU 2016-O280
2010 AU118NEODyS1701 July 202020-211073.4e-09-4.28-4.580Based on 19 optical observations (of which 0 are rejected as outliers) from 2010-01-13.896 to 2010-01-15.285.
An assessment posting was noted by A/CC on 20 July   -   References: no recent MPECs
C   L   E   A   R   E   D
2016 NX22JPL Sentry1700 July 20R E M O V E DRisk listing removed at 1501 UTC 19 July
Assessment postings were noted by A/CC on 11 July, 14 July, 15 July & 20 July   -   References: MPEC 2016-N75 plus DOUs 2016-N91, 2016-N132 & 2016-O274
2016 NO16NEODyS1757 July 15R E M O V E D
JPL Sentry1503 July 15R E M O V E DRisk listing removed at 1459 UTC 15 July
Assessment postings were noted by A/CC on 9 July, 12 July, 13 July, 14 July & 15 July   -   References: MPEC 2016-N55 plus DOUs 2016-N77, 2016-N91 & 2016-N132
2016 NG15NEODyS1810 July 16R E M O V E D
JPL Sentry1503 July 15R E M O V E DRisk listing removed at 1500 UTC 15 July
Assessment postings were noted by A/CC on 7 July, 8 July, 9 July, 10 July, 12 July, 13 July, 14 July, 15 July & 16 July   -   References: MPEC 2016-N46 plus DOUs 2016-N49, 2016-N54, 2016-N77, 2016-N80, 2016-N91 & 2016-N132
2016 LX48JPL Sentry1600 June 23R E M O V E DRisk listing removed at 1503 UTC 23 June
NEODyS1500 June 23R E M O V E D
Assessment postings were noted by A/CC on 23 June   -   References: DOUs 2016-M17, 2016-M24, 2016-M28, 2016-M29, 2016-M31, 2016-N06, 2016-N40, 2016-N60 & 2016-O280
2016 FV7NEODyS1519 June 30R E M O V E D
JPL Sentry1519 June 30R E M O V E DRisk listing removed at 1506 UTC 30 June
Assessment postings were noted by A/CC on 30 June   -   References: DOU 2016-M31
2016 EG86NEODyS1700 July 20R E M O V E D
JPL Sentry1700 July 20R E M O V E DRisk listing removed at 1500 UTC 20 July
Assessment postings were noted by A/CC on 20 July   -   References: DOU 2016-O278
2016 EK85JPL Sentry1700 July 20R E M O V E DRisk listing removed at 1459 UTC 20 July
An assessment posting was noted by A/CC on 20 July   -   References: DOU 2016-O278
2016 CV246NEODyS1700 July 20R E M O V E D
An assessment posting was noted by A/CC on 20 July   -   References: DOUs 2016-O274 & 2016-O278
2012 PK24NEODyS1500 July 3R E M O V E D
JPL Sentry1730 July 2R E M O V E DRisk listing removed at 1707 UTC 2 July
Assessment postings were noted by A/CC on 2 July & 3 July   -   References: MPEC 2016-N08
2011 YV62NEODyS1519 June 30R E M O V E D
JPL Sentry1710 June 29R E M O V E DRisk listing removed at 1707 UTC 29 June
Assessment postings were noted by A/CC on 29 June & 30 June   -   References: MPEC 2016-M30

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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