A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 1520 UTC on 24 October 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
410777 2009 FDNEODyS1500 Oct. 202185-219673.01e-03-0.39-0.43-Based on 292 optical observations (of which 0 are rejected as outliers) from 2009-02-24.366 to 2014-04-07.849.
JPL Sentry1639 Oct. 152185-219652.9e-03-0.40-0.44-Analysis based on 1 radar Doppler and 271 optical observations spanning 1868.5 days (2009-Feb-24.36493 to 2014-Apr-07.847917). Diameter approximately 0.470 km. from mean, weighted H=22.1.
Assessment postings were noted by A/CC on 15 Oct. & 20 Oct.   -   References: no recent MPECs
2014 TLNEODyS1532 Oct. 232072-211171.44e-05-6.44-6.580Based on 48 optical observations (of which 0 are rejected as outliers) from 2014-10-02.268 to 2014-10-21.411.
JPL Sentry1532 Oct. 232072-211148.9e-06-6.64-6.800Analysis based on 48 observations spanning 19.143 days (2014-Oct-02.2672 to 2014-Oct-21.409814). Diameter approximately 0.009 km. from mean, weighted H=27.8.
Assessment postings were noted by A/CC on 3 Oct., 21 Oct. & 23 Oct.   -   References: MPEC 2014-T18 plus DOUs 2014-T23, 2014-U27 & 2014-U35
2014 SR261JPL Sentry1637 Oct. 82058-211184.6e-06-6.09-6.180Analysis based on 26 observations spanning 8.1664 days (2014-Sep-25.29843 to 2014-Oct-03.464832). Diameter approximately 0.015 km. from mean, weighted H=26.8.
NEODyS1457 Oct. 82058-2111104.51e-06-6.09-6.180Based on 26 optical observations (of which 0 are rejected as outliers) from 2014-09-25.299 to 2014-10-03.466.
Assessment postings were noted by A/CC on 27 Sept., 29 Sept., 30 Sept., 1 Oct. & 8 Oct.   -   References: MPEC 2014-S108 plus DOUs 2014-S123, 2014-T03 & 2014-T50
2014 SR223NEODyS1554 Oct. 72063-206312.85e-06-6.28-6.280Based on 61 optical observations (of which 1 are rejected as outliers) from 2014-09-24.193 to 2014-10-03.445.
JPL Sentry1554 Oct. 7206312.9e-06-6.27-6.270Analysis based on 60 observations spanning 9.2521 days (2014-Sep-24.19228 to 2014-Oct-03.444392). Diameter approximately 0.015 km. from mean, weighted H=26.8.
Assessment postings were noted by A/CC on 25 Sept., 27 Sept., 28 Sept., 29 Sept., 30 Sept., 1 Oct., 2 Oct., 3 Oct. & 7 Oct.   -   References: MPEC 2014-S84 plus DOUs 2014-S106, 2014-S118, 2014-S121, 2014-S123, 2014-T03, 2014-T07, 2014-T23 & 2014-T47
2014 QN266NEODyS1532 Oct. 42045-2112621.17e-06-6.94-7.410Based on 62 optical observations (of which 0 are rejected as outliers) from 2014-08-18.456 to 2014-09-30.434.
JPL Sentry1521 Oct. 32056-209462.4e-06-6.53-7.090Analysis based on 62 observations spanning 42.978 days (2014-Aug-18.45521 to 2014-Sep-30.43327). Diameter approximately 0.020 km. from mean, weighted H=26.2.
Assessment postings were noted by A/CC on 3 Oct. & 4 Oct.   -   References: DOU 2014-T23
2014 QF33JPL Sentry2252 Oct. 92076-208631.8e-07-5.94-6.080Analysis based on 45 observations spanning 29.862 days (2014-Aug-20.47726 to 2014-Sep-19.339372). Diameter approximately 0.060 km. from mean, weighted H=23.7.
An assessment posting was noted by A/CC on 9 Oct.   -   References: no MPECs
2014 HU46JPL Sentry1551 Oct. 22207011.3e-06-7.37-7.370Analysis based on 20 observations spanning 2.9372 days (2014-Apr-23.27488 to 2014-Apr-26.21206). Diameter approximately 0.009 km. from mean, weighted H=27.8.
Assessment postings were noted by A/CC on 9 Oct. & 22 Oct.   -   References: DOU 2014-U31
2013 XK22NEODyS1519 Oct. 242101-211334.74e-05-4.31-4.310Based on 65 optical observations (of which 3 are rejected as outliers) from 2013-12-14.432 to 2014-10-22.383.
JPL Sentry1519 Oct. 242101-211423.7e-05-4.43-4.430Analysis based on 67 observations spanning 311.95 days (2013-Dec-14.43128 to 2014-Oct-22.382446). Diameter approximately 0.049 km. from mean, weighted H=24.2.
Assessment postings were noted by A/CC on 30 Sept., 3 Oct., 9 Oct., 22 Oct. & 24 Oct.   -   References: DOUs 2014-S123, 2014-T23, 2014-T51, 2014-U31 & 2014-U41
2009 TBJPL Sentry0434 Oct. 22016-2082194.3e-06-6.64-7.040Analysis based on 12 observations spanning .10702 days (2009-Oct-02.2061 to 2009-Oct-02.31312). Diameter approximately 0.005 km. from mean, weighted H=29.1.
Assessment postings were noted by A/CC on 1 Oct. & 2 Oct.   -   References: no recent MPECs
29075 1950 DAJPL Sentry1639 Oct. 15288015.0e-05-1.81-1.81-Analysis based on 8 radar delay, 5 Doppler, and 454 optical observations spanning 22899.0 days (1950-Feb-22.230140 to 2012-Nov-02.272872). Diameter approximately 1.300 km. from mean, weighted H=17.6.
An assessment posting was noted by A/CC on 15 Oct.   -   References: no recent MPECs
C   L   E   A   R   E   D
2014 US7NEODyS1519 Oct. 24R E M O V E D
Assessment postings were noted by A/CC on 23 Oct. & 24 Oct.   -   References: MPEC 2014-U30 plus DOUs 2014-U31, 2014-U35 & 2014-U41
2014 TW57JPL Sentry1519 Oct. 20R E M O V E DRisk listing removed at 1503 UTC 20 Oct.
NEODyS1500 Oct. 20R E M O V E D
Assessment postings were noted by A/CC on 17 Oct., 18 Oct. & 20 Oct.   -   References: MPEC 2014-U11 plus DOUs 2014-U25 & 2014-U35
2014 TA36NEODyS1735 Oct. 19R E M O V E D
JPL Sentry1542 Oct. 18R E M O V E DRisk listing removed at 1502 UTC 18 Oct.
Assessment postings were noted by A/CC on 16 Oct., 18 Oct. & 19 Oct.   -   References: MPEC 2014-U05 plus DOUs 2014-U14, 2014-U21 & 2014-U31
2014 TJ17NEODyS1501 Oct. 13R E M O V E D
Assessment postings were noted by A/CC on 10 Oct., 11 Oct., 12 Oct. & 13 Oct.   -   References: MPEC 2014-T37 plus DOUs 2014-T41, 2014-T55, 2014-T56, 2014-T58, 2014-T62 & 2014-U02, radar: 16 Oct.
2014 SC324NEODyS1719 Oct. 10R E M O V E D
JPL Sentry1535 Oct. 10R E M O V E DRisk listing removed at 1406 UTC 10 Oct.
Assessment postings were noted by A/CC on 2 Oct., 3 Oct., 9 Oct. & 10 Oct.   -   References: MPEC 2014-T10 plus DOUs 2014-T23, 2014-T51, 2014-T55, 2014-T67, 2014-U02, 2014-U10, 2014-U21, 2014-U25, 2014-U27, 2014-U31, 2014-U35 & 2014-U41
2014 SM260JPL Sentry1712 Sept. 29R E M O V E DRisk listing removed at 1601 UTC 29 Sept.
NEODyS1543 Sept. 29R E M O V E D
Assessment postings were noted by A/CC on 26 Sept. & 29 Sept.   -   References: MPEC 2014-S104 plus DOUs 2014-S121, 2014-T51 & 2014-T56
2014 SB260JPL Sentry2030 Oct. 4R E M O V E DRisk listing removed at 1958 UTC 4 Oct.
Assessment postings were noted by A/CC on 28 Sept. & 4 Oct.   -   References: no MPECs
2014 SM143NEODyS1553 Oct. 1R E M O V E D
JPL Sentry1514 Sept. 29R E M O V E DRisk listing removed at 1508 UTC 29 Sept.
Assessment postings were noted by A/CC on 23 Sept., 24 Sept., 25 Sept., 26 Sept., 29 Sept., 30 Sept. & 1 Oct.   -   References: MPEC 2014-S56 plus DOUs 2014-S89, 2014-S95, 2014-S121, 2014-S123, 2014-T03, 2014-T43, 2014-T47, 2014-T50, 2014-T51, 2014-T58, 2014-T62, 2014-U02, 2014-U27, 2014-U31 & 2014-U35
2014 SP142NEODyS1800 Sept. 30R E M O V E D
JPL Sentry1525 Sept. 30R E M O V E DRisk listing removed at 1507 UTC 30 Sept.
Assessment postings were noted by A/CC on 23 Sept., 24 Sept. & 30 Sept.   -   References: MPEC 2014-S50 plus DOUs 2014-S69, 2014-S123 & 2014-T07
2014 SN1NEODyS1553 Oct. 1R E M O V E D
JPL Sentry1524 Sept. 27R E M O V E DRisk listing removed at 1501 UTC 27 Sept.
Assessment postings were noted by A/CC on 23 Sept., 25 Sept., 27 Sept., 29 Sept. & 1 Oct.   -   References: DOUs 2014-S55, 2014-S89, 2014-S106, 2014-T03 & 2014-T07
2014 RS17NEODyS1553 Oct. 1R E M O V E D
JPL Sentry1553 Oct. 1R E M O V E DRisk listing removed at 1510 UTC 1 Oct.
Assessment postings were noted by A/CC on 24 Sept., 25 Sept. & 1 Oct.   -   References: DOUs 2014-S69, 2014-S89, 2014-T03 & 2014-T41
2014 NK65NEODyS1509 Oct. 5R E M O V E D
An assessment posting was noted by A/CC on 5 Oct.   -   References: no MPECs

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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