A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1554 UTC on 22 May 2015

[ 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
2015 KP18NEODyS1550 May 222038-2086188.29e-06-4.03-4.530Based on 35 optical observations (of which 0 are rejected as outliers) from 2015-05-19.282 to 2015-05-22.009.
JPL Sentry1550 May 222038-2086167.8e-06-4.08-4.610Analysis based on 35 observations spanning 2.7275 days (2015-May-19.28093 to 2015-May-22.00846). Diameter approximately 0.078 km. from mean, weighted H=23.2.
Assessment postings were noted by A/CC on 21 May & 22 May   -   References: MPEC 2015-K33 plus DOU 2015-K41
2015 KENEODyS1550 May 222093-211481.82e-05-5.85-6.43n/aBased on 63 optical observations (of which 0 are rejected as outliers) from 2015-05-18.211 to 2015-05-22.244.
JPL Sentry1550 May 222090-2115152.7e-05-5.68-6.030Analysis based on 63 observations spanning 4.0330 days (2015-May-18.20995 to 2015-May-22.24298). Diameter approximately 0.019 km. from mean, weighted H=26.2.
Assessment postings were noted by A/CC on 19 May, 20 May, 21 May & 22 May   -   References: MPEC 2015-K21 plus DOUs 2015-K27, 2015-K32 & 2015-K41
2015 JC1NEODyS2007 May 18210217.33e-08-8.27-8.270Based on 43 optical observations (of which 1 are rejected as outliers) from 2015-05-12.341 to 2015-05-18.212.
JPL Sentry1547 May 18R E M O V E DRisk listing removed at 1504 UTC 18 May
Assessment postings were noted by A/CC on 13 May, 16 May & 18 May   -   References: MPEC 2015-J47 plus DOUs 2015-K02 & 2015-K13
2015 JJNEODyS1554 May 21211311.52e-08-6.75-6.750Based on 201 optical observations (of which 0 are rejected as outliers) from 2015-05-08.288 to 2015-05-20.325.
JPL Sentry1535 May 11R E M O V E DRisk listing removed at 1520 UTC 11 May
Assessment postings were noted by A/CC on 10 May, 11 May, 13 May, 14 May, 15 May, 17 May, 18 May, 19 May & 21 May   -   References: MPEC 2015-J32 plus DOUs 2015-J34, 2015-J40, 2015-J44, 2015-J51, 2015-J55, 2015-K08, 2015-K13, 2015-K20 & 2015-K27
2015 HE1NEODyS1550 April 212098-211042.15e-07-7.82-7.940Based on 30 optical observations (of which 0 are rejected as outliers) from 2015-04-18.307 to 2015-04-20.889.
JPL Sentry1550 April 21209811.6e-07-7.93-7.930Analysis based on 30 observations spanning 2.5814 days (2015-Apr-18.30662 to 2015-Apr-20.887987). Diameter approximately 0.013 km. from mean, weighted H=27.1.
Assessment postings were noted by A/CC on 21 April   -   References: DOU 2015-H64
2015 HD1JPL Sentry1644 April 272047-206027.3e-09-9.02-9.190Analysis based on 48 observations spanning 2.9230 days (2015-Apr-18.23565 to 2015-Apr-21.15867). Diameter approximately 0.011 km. from mean, weighted H=27.4.
NEODyS1550 April 21R E M O V E D
Assessment postings were noted by A/CC on 21 April, 22 April, 24 April & 27 April   -   References: DOUs 2015-H64, 2015-H79 & 2015-H112
2015 FF345NEODyS1557 April 242021-2073103.71e-10-6.28-6.880Based on 6 optical observations (of which 0 are rejected as outliers) from 2015-03-31.466 to 2015-04-02.332.
JPL Sentry1900 April 232021-203323.3e-10-6.15-6.270Analysis based on 6 observations spanning 1.8668 days (2015-Mar-31.46476 to 2015-Apr-02.33159). Diameter approximately 0.340 km. from mean, weighted H=20.0.
Assessment postings were noted by A/CC on 23 April & 24 April   -   References: MPEC 2015-H105
2015 FC345NEODyS1557 April 24209812.03e-08-9.39-9.390Based on 23 optical observations (of which 0 are rejected as outliers) from 2015-03-28.159 to 2015-03-29.325.
JPL Sentry1930 April 232104-210926.3e-07-7.95-8.000Analysis based on 23 observations spanning 1.1661 days (2015-Mar-28.15809 to 2015-Mar-29.32424). Diameter approximately 0.009 km. from mean, weighted H=27.8.
Assessment postings were noted by A/CC on 23 April & 24 April   -   References: MPEC 2015-H105
2015 FA345NEODyS1557 April 242024-211282.93e-08-6.84-6.960Based on 6 optical observations (of which 0 are rejected as outliers) from 2015-03-22.607 to 2015-03-23.557.
JPL Sentry1930 April 232024-2113261.5e-07-6.22-6.460Analysis based on 6 observations spanning .94980 days (2015-Mar-22.60611 to 2015-Mar-23.555906). Diameter approximately 0.052 km. from mean, weighted H=24.1.
Assessment postings were noted by A/CC on 23 April & 24 April   -   References: MPEC 2015-H105
2015 FU344NEODyS1557 April 242057-2106113.15e-05-7.44-7.540Based on 21 optical observations (of which 1 are rejected as outliers) from 2015-03-17.301 to 2015-03-18.314.
JPL Sentry1930 April 232066-211191.1e-05-7.90-8.070Analysis based on 21 observations spanning 1.0135 days (2015-Mar-17.30023 to 2015-Mar-18.313719). Diameter approximately 0.002 km. from mean, weighted H=31.0.
Assessment postings were noted by A/CC on 23 April & 24 April   -   References: MPEC 2015-H105
2015 FL290JPL Sentry1555 May 22082-208521.9e-06-4.52-4.700Analysis based on 150 observations spanning 35.921 days (2015-Mar-24.31293 to 2015-Apr-29.234259). Diameter approximately 0.130 km. from mean, weighted H=22.1.
NEODyS1555 May 2R E M O V E D
Assessment postings were noted by A/CC on 22 April, 23 April, 24 April, 25 April, 26 April, 27 April, 30 April & 2 May   -   References: DOUs 2015-H79, 2015-H102, 2015-H112, 2015-H117, 2015-H121, 2015-H124, 2015-H143 & 2015-J05
2015 FH37NEODyS1550 April 21211212.84e-09-8.60-8.60Based on 21 optical observations (of which 3 are rejected as outliers) from 2015-03-22.508 to 2015-03-26.623.
An assessment posting was noted by A/CC on 21 April   -   References: DOU 2015-H64
2015 DQ224JPL Sentry2030 April 232029-2060936.8e-05-5.99-6.730Analysis based on 9 observations spanning .13181 days (2015-Feb-19.22291 to 2015-Feb-19.35472). Diameter approximately 0.005 km. from mean, weighted H=29.4.
An assessment posting was noted by A/CC on 23 April   -   References: MPEC 2015-H105
2009 VZ39JPL Sentry0428 May 102015-21128106.9e-06-6.22-7.510Analysis 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 10 May   -   References: no recent MPECs
2007 VE191NEODyS1540 May 52015-202623.46e-07-4.87-4.870Based on 68 optical observations (of which 12 are rejected as outliers) from 2007-11-15.267 to 2007-11-28.517.
An assessment posting was noted by A/CC on 5 May   -   References: no recent MPECs
C   L   E   A   R   E   D
2015 HP116JPL Sentry1440 April 29R E M O V E DRisk listing removed at 1253 UTC 29 April
Assessment postings were noted by A/CC on 27 April & 29 April   -   References: MPEC 2015-H123
2015 HR11JPL Sentry1531 April 25R E M O V E DRisk listing removed at 1501 UTC 25 April
NEODyS1531 April 25R E M O V E D
Assessment postings were noted by A/CC on 24 April & 25 April   -   References: MPEC 2015-H109 plus DOUs 2015-H117, 2015-H135, 2015-J20, 2015-J31 & 2015-J44
2015 HM10JPL Sentry1535 May 11R E M O V E DRisk listing removed at 1501 UTC 11 May
NEODyS1556 April 24R E M O V E D
Assessment postings were noted by A/CC on 22 April, 23 April, 24 April & 11 May   -   References: MPEC 2015-H90 plus DOUs 2015-H112, 2015-J34 & 2015-K20
2015 HC10NEODyS1550 May 20R E M O V E D
JPL Sentry1440 April 29R E M O V E DRisk listing removed at 1253 UTC 29 April
Assessment postings were noted by A/CC on 22 April, 29 April & 20 May   -   References: MPECs 2015-H82, 2015-H86 & 2015-J41
2015 HB10NEODyS1556 April 24R E M O V E D
JPL Sentry1556 April 24R E M O V E DRisk listing removed at 1503 UTC 24 April
Assessment postings were noted by A/CC on 22 April, 23 April & 24 April   -   References: MPEC 2015-H81 plus DOUs 2015-H102, 2015-H112, 2015-H117, 2015-H135, 2015-H140, 2015-J01, 2015-J05, 2015-J27, 2015-J31, 2015-J40, 2015-J44, 2015-K13, 2015-K20 & 2015-K41
2015 HM1JPL Sentry1550 April 21R E M O V E DRisk listing removed at 1502 UTC 21 April
An assessment posting was noted by A/CC on 21 April   -   References: DOUs 2015-H64, 2015-H102 & 2015-J27
2015 FY344JPL Sentry0227 May 22R E M O V E DRisk listing removed at 0208 UTC 22 May
NEODyS1556 April 27R E M O V E D
Assessment postings were noted by A/CC on 24 April, 27 April & 22 May   -   References: MPECs 2015-H105, 2015-H108 & 2015-H111
2015 FN36JPL Sentry1540 April 26R E M O V E DRisk listing removed at 1503 UTC 26 April
NEODyS1540 April 26R E M O V E D
Assessment postings were noted by A/CC on 26 April   -   References: DOU 2015-H121
2015 DP224JPL Sentry1440 April 29R E M O V E DRisk listing removed at 1253 UTC 29 April
NEODyS1636 April 24R E M O V E D
Assessment postings were noted by A/CC on 23 April, 24 April & 29 April   -   References: MPECs 2015-H105 & 2015-H106

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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