A/CC's Consolidated Risk Tables

Earth Impact Risk Ratings Posted in the Last 31 Days

Compiled at 2200 UTC on 17 August 2019

[ 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 NASA/JPL Sentry and NEODyS CLOMON2.
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
2019 PO1JPL Sentry1530 Aug. 142059-2115373.76564781e-05-6.01-6.210Computed at 06:16 Aug. 14th Pacific time based on 17 observations spanning 3.0406 days (2019-Aug-09.53131 to 2019-Aug-12.571914). Diameter approximately 0.009 km. from weighted mean H=27.78.
NEODyS1530 Aug. 142066-2109462.39e-06-7.36-8.180Based on 17 optical observations (of which 0 are rejected as outliers) from 2019-08-09.532 to 2019-08-12.573.
Assessment postings were noted by A/CC on 10 Aug., 11 Aug. & 14 Aug.   -   References: MPEC 2019-P76 plus DOU 2019-P99
2019 PGJPL Sentry1530 Aug. 122084-2119114.0592504e-05-4.93-4.970Computed at 06:05 Aug. 12th Pacific time based on 16 observations spanning 7.0308 days (2019-Aug-04.39459 to 2019-Aug-11.425373). Diameter approximately 0.026 km. from weighted mean H=25.58.
NEODyS1530 Aug. 122084-2118223.48e-05-4.99-5.040Based on 13 optical observations (of which 0 are rejected as outliers) from 2019-08-04.395 to 2019-08-07.215.
Assessment postings were noted by A/CC on 7 Aug. & 12 Aug.   -   References: MPEC 2019-P45 plus DOU 2019-P89
2019 OF5JPL Sentry1801 Aug. 122049-205249.7665e-09-8.13-8.360Computed at 10:05 Aug. 12th Pacific time based on 6 observations spanning 2.0193 days (2019-Jul-26.281469 to 2019-Jul-28.30076). Diameter approximately 0.031 km. from weighted mean H=25.22.
An assessment posting was noted by A/CC on 12 Aug.   -   References: MPEC 2019-P91
2019 OV3JPL Sentry1530 Aug. 122105-210512.274e-08-7.40-7.400Computed at 06:11 Aug. 12th Pacific time based on 29 observations spanning 15.911 days (2019-Jul-26.532225 to 2019-Aug-11.442914). Diameter approximately 0.053 km. from weighted mean H=24.03.
NEODyS1530 Aug. 12210513.31e-08-7.27-7.270Based on 29 optical observations (of which 0 are rejected as outliers) from 2019-07-26.533 to 2019-08-11.444.
Assessment postings were noted by A/CC on 1 Aug., 5 Aug., 7 Aug. & 12 Aug.   -   References: MPEC 2019-P10 plus DOUs 2019-P40, 2019-P44 & 2019-P89
2019 ODJPL Sentry2030 July 26R E M O V E DRisk listing removed at 1959 UTC July 26th
NEODyS1400 July 252092-211763.29e-06-4.84-4.920Based on 58 optical observations (of which 0 are rejected as outliers) from 2019-07-05.463 to 2019-07-24.314.
Assessment postings were noted by A/CC on 22 July, 23 July, 24 July, 25 July & 26 July   -   References: MPEC 2019-O43 plus DOUs 2019-O51, 2019-O53 & 2019-O64, radar: 26 July
2019 NF7NEODyS2006 July 18208012.57e-05-6.23-6.230Based on 14 optical observations (of which 4 are rejected as outliers) from 2019-07-09.238 to 2019-07-10.475.
JPL Sentry2006 July 182072-208029.55937e-06-6.67-6.670Computed at 09:27 July 18th Pacific time based on 14 observations spanning 1.2364 days (2019-Jul-09.237408 to 2019-Jul-10.473823). Diameter approximately 0.008 km. from weighted mean H=28.10.
Assessment postings were noted by A/CC on 18 July   -   References: MPEC 2019-O12
2019 ND7NEODyS1530 Aug. 112092-2117445.7e-06-3.42-4.180Based on 34 optical observations (of which 0 are rejected as outliers) from 2019-07-07.588 to 2019-07-20.459.
JPL Sentry1700 Aug. 102097-2117203.176057e-06-3.67-4.380Computed at 08:11 Aug. 10th Pacific time based on 34 observations spanning 12.871 days (2019-Jul-07.587668 to 2019-Jul-20.458285). Diameter approximately 0.180 km. from weighted mean H=21.42.
Assessment postings were noted by A/CC on 17 July, 19 July, 20 July, 21 July, 4 Aug., 10 Aug. & 11 Aug.   -   References: MPEC 2019-O07 plus DOUs 2019-O30, 2019-O39, 2019-O42, 2019-P36 & 2019-P75
2019 NX5JPL Sentry1500 Aug. 132067-2115153.36174367e-05-6.76-6.870Computed at 06:29 Aug. 13th Pacific time based on 24 observations spanning 6.8081 days (2019-Jul-04.543054 to 2019-Jul-11.351181). Diameter approximately 0.005 km. from weighted mean H=29.12.
NEODyS1500 Aug. 132067-2118955.2e-05-6.60-7.30Based on 24 optical observations (of which 0 are rejected as outliers) from 2019-07-04.544 to 2019-07-11.352.
Assessment postings were noted by A/CC on 13 Aug.   -   References: DOU 2019-P96
2019 NW2JPL Sentry1500 Aug. 13R E M O V E DRisk listing removed at 1315 UTC Aug. 13th
NEODyS1500 Aug. 13208311.51e-07-7.82-7.820Based on 15 optical observations (of which 0 are rejected as outliers) from 2019-07-02.299 to 2019-08-12.596.
Assessment postings were noted by A/CC on 29 July & 13 Aug.   -   References: DOUs 2019-O103 & 2019-P96
2019 MT2NEODyS0017 July 282079-2110163.14e-06-6.44-7.010Based on 47 optical observations (of which 1 are rejected as outliers) from 2019-06-30.407 to 2019-07-07.248.
JPL Sentry2233 July 272079-2109104.95559e-06-6.24-6.640Computed at 14:48 July 27th Pacific time based on 44 observations spanning 6.8413 days (2019-Jun-30.40632 to 2019-Jul-07.247651). Diameter approximately 0.018 km. from weighted mean H=26.43.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 KJ4NEODyS0017 July 282059-21181828.62e-05-5.53-6.450Based on 30 optical observations (of which 1 are rejected as outliers) from 2019-05-31.320 to 2019-06-08.263.
JPL Sentry2233 July 272059-2118838.36306426e-05-5.48-6.270Computed at 15:19 July 27th Pacific time based on 29 observations spanning 7.9430 days (2019-May-31.318726 to 2019-Jun-08.261769). Diameter approximately 0.012 km. from weighted mean H=27.24.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 KTNEODyS0017 July 28211034.23e-07-7.39-7.670Based on 65 optical observations (of which 3 are rejected as outliers) from 2019-05-26.152 to 2019-05-27.396.
JPL Sentry2233 July 272110-211036.804e-07-7.18-7.460Computed at 14:52 July 27th Pacific time based on 62 observations spanning 1.2437 days (2019-May-26.15139 to 2019-May-27.395111). Diameter approximately 0.017 km. from weighted mean H=26.56.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 GK21NEODyS0017 July 282099-211662.27e-06-6.25-6.450Based on 76 optical observations (of which 1 are rejected as outliers) from 2019-04-14.154 to 2019-05-07.265.
JPL Sentry2233 July 272099-210321.2886e-06-6.47-6.530Computed at 15:00 July 27th Pacific time based on 75 observations spanning 23.111 days (2019-Apr-14.15324 to 2019-May-07.264472). Diameter approximately 0.026 km. from weighted mean H=25.61.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 GC6NEODyS0017 July 282080-2117121.06e-06-7.18-7.180Based on 100 optical observations (of which 0 are rejected as outliers) from 2019-03-31.335 to 2019-04-17.732.
JPL Sentry2233 July 272113-211314.954e-09-9.49-9.490Computed at 15:31 July 27th Pacific time based on 100 observations spanning 17.397 days (2019-Mar-31.33428 to 2019-Apr-17.731084). Diameter approximately 0.017 km. from weighted mean H=26.51.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2019 FENEODyS1530 Aug. 172095-211834.21e-06-5.28-5.320Based on 206 optical observations (of which 3 are rejected as outliers) from 2019-03-17.564 to 2019-05-10.499.
JPL Sentry1600 Aug. 162095-211834.9048e-06-5.20-5.240Computed at 06:03 Aug. 16th Pacific time based on 206 observations spanning 53.935 days (2019-Mar-17.563057 to 2019-May-10.498334). Diameter approximately 0.050 km. from weighted mean H=24.17.
Assessment postings were noted by A/CC on 16 Aug. & 17 Aug.   -   References: DOU 2019-Q06
2019 EDNEODyS0017 July 282099-210854.05e-08-8.79-8.980Based on 70 optical observations (of which 0 are rejected as outliers) from 2019-03-01.196 to 2019-03-17.245.
An assessment posting was noted by A/CC on 28 July   -   References: DOU 2019-O75
2019 DJ1NEODyS2004 July 17210822.02e-07-8.02-8.310Based on 87 optical observations (of which 0 are rejected as outliers) from 2018-02-12.515 to 2019-03-12.880.
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2018 VC7NEODyS0017 July 282049-2117755.39e-05-5.73-6.160Based on 28 optical observations (of which 0 are rejected as outliers) from 2018-11-10.546 to 2018-11-11.300.
JPL Sentry2233 July 272068-2117253.2159068e-06-7.06-7.820Computed at 15:03 July 27th Pacific time based on 28 observations spanning .75408 days (2018-Nov-10.545502 to 2018-Nov-11.29958). Diameter approximately 0.011 km. from weighted mean H=27.42.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2018 VS6NEODyS0017 July 282083-2118481.23e-04-4.97-5.120Based on 92 optical observations (of which 0 are rejected as outliers) from 2018-11-09.545 to 2018-11-19.417.
JPL Sentry2233 July 272083-2118185.746941e-05-5.30-5.470Computed at 14:56 July 27th Pacific time based on 92 observations spanning 9.8715 days (2018-Nov-09.544497 to 2018-Nov-19.41595). Diameter approximately 0.014 km. from weighted mean H=26.92.
Assessment postings were noted by A/CC on 27 July & 28 July   -   References: DOU 2019-O75
2018 PZ21NEODyS2200 Aug. 172045-2118332.09e-05-5.67-5.780Based on 19 optical observations (of which 0 are rejected as outliers) from 2018-08-11.140 to 2018-09-05.346.
JPL Sentry1530 Aug. 172045-2119183.8340258e-05-5.38-5.450Computed at 06:21 Aug. 17th Pacific time based on 19 observations spanning 25.206 days (2018-Aug-11.13921 to 2018-Sep-05.345076). Diameter approximately 0.016 km. from weighted mean H=26.67.
Assessment postings were noted by A/CC on 17 Aug.   -   References: DOU 2019-Q21
2018 PJ20NEODyS2006 July 18209321.08e-07-8.27-8.470Based on 14 optical observations (of which 0 are rejected as outliers) from 2018-08-08.403 to 2018-08-18.373.
An assessment posting was noted by A/CC on 18 July   -   References: DOU 2019-O11
2018 LD1NEODyS2006 July 18209314.07e-09-9.27-9.270Based on 49 optical observations (of which 0 are rejected as outliers) from 2018-06-05.341 to 2018-06-13.388.
An assessment posting was noted by A/CC on 18 July   -   References: DOU 2019-O11
2018 BL11NEODyS2030 Aug. 12093-2118387.14e-05-5.99-6.340Based on 23 optical observations (of which 0 are rejected as outliers) from 2018-01-22.551 to 2018-01-25.427.
JPL Sentry2030 Aug. 12102-2119248.83025763e-05-5.87-6.100Computed at 06:31 Aug. 1st Pacific time based on 23 observations spanning 2.8761 days (2018-Jan-22.550332 to 2018-Jan-25.42644). Diameter approximately 0.008 km. from weighted mean H=28.24.
Assessment postings were noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2017 SE33NEODyS1530 Aug. 17206912.07e-07-8.11-8.110Based on 11 optical observations (of which 1 are rejected as outliers) from 2017-09-20.066 to 2017-09-27.626.
JPL Sentry2030 Aug. 1R E M O V E DRisk listing removed at 1327 UTC Aug. 1st
Assessment postings were noted by A/CC on 1 Aug. & 17 Aug.   -   References: DOUs 2019-P17 & 2019-Q06
2017 FW90JPL Sentry1552 July 182101-211853.52296e-05-6.46-6.520Computed at 08:28 July 18th Pacific time based on 84 observations spanning 33.878 days (2017-Mar-23.470596 to 2017-Apr-26.348764). Diameter approximately 0.008 km. from weighted mean H=28.13.
An assessment posting was noted by A/CC on 18 July   -   References: DOU 2019-O11
2017 FSNEODyS1630 July 19210911.42e-08-9.79-9.790Based on 27 optical observations (of which 0 are rejected as outliers) from 2017-03-17.235 to 2017-03-18.907.
An assessment posting was noted by A/CC on 19 July   -   References: DOU 2019-O30
2016 WJ1NEODyS2310 Aug. 62106-211576.04e-07-4.65-5.340Based on 407 optical observations (of which 3 are rejected as outliers) from 2003-07-04.606 to 2017-07-31.349.
Assessment postings were noted by A/CC on 18 July & 6 Aug.   -   References: DOU 2019-O11
2016 TY55JPL Sentry1605 July 172074-2118184.9085295e-05-5.53-5.610Computed at 07:03 July 17th Pacific time based on 45 observations spanning 9.0714 days (2016-Oct-10.37293 to 2016-Oct-19.44429). Diameter approximately 0.014 km. from weighted mean H=26.86.
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2016 JO38NEODyS2030 Aug. 1211214.58e-08-7.51-7.510Based on 17 optical observations (of which 0 are rejected as outliers) from 2016-04-27.284 to 2016-05-04.262.
JPL Sentry2030 Aug. 1R E M O V E DRisk listing removed at 1943 UTC Aug. 1st
Assessment postings were noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2016 FF14NEODyS2004 July 17210514.57e-10-10.66-10.660Based on 90 optical observations (of which 1 are rejected as outliers) from 2016-03-31.287 to 2016-04-04.461.
JPL Sentry1605 July 172117-211717.343e-09-9.49-9.490Computed at 07:45 July 17th Pacific time based on 89 observations spanning 4.1731 days (2016-Mar-31.28668 to 2016-Apr-04.45982). Diameter approximately 0.013 km. from weighted mean H=27.09.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2016 EU84NEODyS2006 July 182115-211822.75e-09-10.95-11.120Based on 99 optical observations (of which 0 are rejected as outliers) from 2016-03-10.179 to 2016-03-14.257.
JPL Sentry1552 July 18R E M O V E DRisk listing removed at 1529 UTC July 18th
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2016 CK137NEODyS2006 July 182040-21162131.31e-04-5.20-5.830Based on 24 optical observations (of which 0 are rejected as outliers) from 2016-02-05.294 to 2016-02-13.299.
JPL Sentry1552 July 182040-2119885.37299686e-05-5.54-5.960Computed at 08:33 July 18th Pacific time based on 30 observations spanning 8.0051 days (2016-Feb-05.29335 to 2016-Feb-13.298416). Diameter approximately 0.012 km. from weighted mean H=27.33.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2015 XH55NEODyS2004 July 172089-2117131.7e-06-8.15-8.610Based on 24 optical observations (of which 0 are rejected as outliers) from 2015-12-01.474 to 2015-12-06.336.
JPL Sentry1400 July 172092-211762.45826e-06-7.97-8.330Computed at 06:58 July 17th Pacific time based on 24 observations spanning 4.8627 days (2015-Dec-01.472958 to 2015-Dec-06.335663). Diameter approximately 0.005 km. from weighted mean H=29.22.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2015 UH52NEODyS2006 July 182075-211371.38e-06-6.51-6.80Based on 78 optical observations (of which 1 are rejected as outliers) from 2015-10-23.455 to 2015-11-07.253.
JPL Sentry1552 July 182075-210129.461e-07-6.65-6.950Computed at 08:47 July 18th Pacific time based on 77 observations spanning 14.798 days (2015-Oct-23.45412 to 2015-Nov-07.251926). Diameter approximately 0.022 km. from weighted mean H=25.98.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2015 TL21NEODyS2006 July 182061-2103102.62e-06-6.18-6.340Based on 90 optical observations (of which 6 are rejected as outliers) from 2015-10-08.233 to 2015-10-19.273.
JPL Sentry1552 July 182061-209563.29609e-06-6.12-6.570Computed at 08:23 July 18th Pacific time based on 89 observations spanning 11.040 days (2015-Oct-08.23237 to 2015-Oct-19.272403). Diameter approximately 0.018 km. from weighted mean H=26.42.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2015 MZ53NEODyS1630 July 19206716.41e-08-8.63-8.630Based on 12 optical observations (of which 1 are rejected as outliers) from 2015-06-17.530 to 2015-06-22.563.
An assessment posting was noted by A/CC on 19 July   -   References: DOU 2019-O30
2015 BW516NEODyS2006 July 182046-211187.05e-05-5.37-5.720Based on 25 optical observations (of which 1 are rejected as outliers) from 2015-01-18.294 to 2015-01-28.771.
JPL Sentry1552 July 182052-206145.7801e-05-5.42-5.760Computed at 08:25 July 18th Pacific time based on 24 observations spanning 10.476 days (2015-Jan-18.293381 to 2015-Jan-28.76983). Diameter approximately 0.010 km. from weighted mean H=27.66.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2014 YNNEODyS2004 July 172095-2117459.26e-05-4.87-5.640Based on 85 optical observations (of which 4 are rejected as outliers) from 2014-12-03.447 to 2015-01-23.270.
JPL Sentry1605 July 172095-2115230.00010555036-4.79-5.290Computed at 07:02 July 17th Pacific time based on 83 observations spanning 50.823 days (2014-Dec-03.446233 to 2015-Jan-23.26902). Diameter approximately 0.024 km. from weighted mean H=25.71.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2014 WR362NEODyS2004 July 17207812.02e-07-7.89-7.890Based on 27 optical observations (of which 2 are rejected as outliers) from 2014-11-24.297 to 2014-11-27.266.
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2014 QN266NEODyS2006 July 182078-210991.65e-06-6.73-6.790Based on 81 optical observations (of which 0 are rejected as outliers) from 2014-08-17.497 to 2014-10-29.400.
JPL Sentry1552 July 182078-207819.047e-07-6.94-6.940Computed at 08:31 July 18th Pacific time based on 82 observations spanning 72.903 days (2014-Aug-17.496089 to 2014-Oct-29.399567). Diameter approximately 0.019 km. from weighted mean H=26.21.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2014 OX3NEODyS2006 July 182083-211641.37e-05-6.46-6.460Based on 19 optical observations (of which 0 are rejected as outliers) from 2014-07-25.435 to 2014-08-06.525.
JPL Sentry1552 July 182116-211611.387e-05-6.42-6.420Computed at 08:02 July 18th Pacific time based on 19 observations spanning 12.090 days (2014-Jul-25.43391 to 2014-Aug-06.523867). Diameter approximately 0.010 km. from weighted mean H=27.73.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2014 MO68NEODyS2006 July 182075-211072.7e-06-5.01-5.070Based on 10 optical observations (of which 0 are rejected as outliers) from 2014-06-21.466 to 2014-07-01.454.
JPL Sentry1552 July 182088-210826.25872e-07-5.71-5.720Computed at 08:00 July 18th Pacific time based on 17 observations spanning 11.040 days (2014-Jun-20.41351 to 2014-Jul-01.453713). Diameter approximately 0.073 km. from weighted mean H=23.33.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2013 AG69NEODyS2004 July 17211319.56e-09-9.25-9.250Based on 22 optical observations (of which 1 are rejected as outliers) from 2013-01-12.307 to 2013-01-17.522.
JPL Sentry1605 July 172119-211927.155e-06-6.37-6.520Computed at 08:04 July 17th Pacific time based on 21 observations spanning 5.2147 days (2013-Jan-12.30604 to 2013-Jan-17.520723). Diameter approximately 0.012 km. from weighted mean H=27.27.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2012 VE77JPL Sentry1605 July 172033-203522.559426e-05-4.59-4.590Computed at 07:25 July 17th Pacific time based on 33 observations spanning 2.9426 days (2012-Nov-14.17815 to 2012-Nov-17.120718). Diameter approximately 0.018 km. from weighted mean H=26.34.
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2012 TP20NEODyS2006 July 182064-211677.45e-07-7.76-8.220Based on 29 optical observations (of which 0 are rejected as outliers) from 2012-10-08.199 to 2012-10-16.298.
JPL Sentry1552 July 182069-210233.9865e-07-8.00-8.290Computed at 08:04 July 18th Pacific time based on 29 observations spanning 8.0991 days (2012-Oct-08.19843 to 2012-Oct-16.297488). Diameter approximately 0.009 km. from weighted mean H=27.86.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2012 LJNEODyS1630 July 192051-207232.86e-06-5.71-5.750Based on 57 optical observations (of which 3 are rejected as outliers) from 2012-06-09.394 to 2012-06-10.904.
JPL Sentry1400 July 192051-207222.6706e-06-5.68-5.710Computed at 06:14 July 19th Pacific time based on 57 observations spanning 1.5100 days (2012-Jun-09.392954 to 2012-Jun-10.90292). Diameter approximately 0.026 km. from weighted mean H=25.62.
Assessment postings were noted by A/CC on 19 July   -   References: DOU 2019-O30
2012 DJ54NEODyS2006 July 182068-2116708.01e-05-6.14-6.520Based on 25 optical observations (of which 0 are rejected as outliers) from 2012-02-27.469 to 2012-03-15.327.
JPL Sentry1552 July 182068-2119470.0003391456201-5.43-5.740Computed at 08:14 July 18th Pacific time based on 29 observations spanning 16.858 days (2012-Feb-27.46779 to 2012-Mar-15.325818). Diameter approximately 0.007 km. from weighted mean H=28.46.
Assessment postings were noted by A/CC on 18 July   -   References: DOU 2019-O11
2012 CS46NEODyS0032 July 21208913.36e-08-9.11-9.110Based on 12 optical observations (of which 0 are rejected as outliers) from 2012-02-13.367 to 2012-02-15.366.
JPL Sentry1406 July 202096-210639.958e-08-8.67-8.920Computed at 06:39 July 20th Pacific time based on 12 observations spanning 1.9989 days (2012-Feb-13.36583 to 2012-Feb-15.364751). Diameter approximately 0.010 km. from weighted mean H=27.68.
Assessment postings were noted by A/CC on 20 July & 21 July   -   References: DOU 2019-O39
2012 BL14JPL Sentry1401 July 222020-21165271.62931263e-05-5.68-6.120Computed at 18:38 April 7th of 2017 Pacific time based on 17 observations spanning .11881 days (2012-Jan-21.37429 to 2012-Jan-21.4931). Diameter approximately 0.008 km. from weighted mean H=28.17.
An assessment posting was noted by A/CC on 22 July   -   References: no recent MPECs
2011 WN69NEODyS2004 July 172038-210979.87e-07-6.54-6.780Based on 42 optical observations (of which 1 are rejected as outliers) from 2011-11-26.545 to 2011-11-30.998.
JPL Sentry1605 July 172038-210932.152178e-06-6.17-6.390Computed at 07:19 July 17th Pacific time based on 42 observations spanning 4.4527 days (2011-Nov-26.544313 to 2011-Nov-30.99705). Diameter approximately 0.020 km. from weighted mean H=26.17.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2011 BU59NEODyS2004 July 172089-2118384.28e-06-6.24-6.540Based on 14 optical observations (of which 0 are rejected as outliers) from 2011-01-27.375 to 2011-02-07.563.
JPL Sentry1605 July 172089-2118103.599005e-06-6.26-6.510Computed at 07:01 July 17th Pacific time based on 14 observations spanning 11.188 days (2011-Jan-27.374275 to 2011-Feb-07.562215). Diameter approximately 0.020 km. from weighted mean H=26.14.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2011 BP40NEODyS2004 July 172031-2093281.82e-06-5.97-6.50Based on 11 optical observations (of which 0 are rejected as outliers) from 2011-01-30.404 to 2011-02-04.464.
JPL Sentry1400 July 172031-2105151.2989411e-06-5.97-6.310Computed at 06:42 July 17th Pacific time based on 11 observations spanning 5.0601 days (2011-Jan-30.40349 to 2011-Feb-04.463601). Diameter approximately 0.028 km. from weighted mean H=25.45.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2010 UZ7NEODyS1630 July 19211111.15e-08-7.96-7.960Based on 39 optical observations (of which 0 are rejected as outliers) from 2010-10-29.318 to 2010-11-01.136.
JPL Sentry1400 July 19R E M O V E DRisk listing removed at 1314 UTC July 19th
Assessment postings were noted by A/CC on 19 July   -   References: DOU 2019-O30
2010 TN55NEODyS2004 July 172030-2118361.71e-06-6.63-7.430Based on 27 optical observations (of which 0 are rejected as outliers) from 2010-10-13.275 to 2010-10-16.226.
JPL Sentry1400 July 172086-2117151.772261e-06-6.57-7.290Computed at 06:33 July 17th Pacific time based on 27 observations spanning 2.9506 days (2010-Oct-13.27465 to 2010-Oct-16.225249). Diameter approximately 0.013 km. from weighted mean H=27.03.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
2010 RA91NEODyS2004 July 172104-211745.44e-08-6.84-6.860Based on 103 optical observations (of which 0 are rejected as outliers) from 2010-09-03.486 to 2010-10-04.087.
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2010 QG2NEODyS2004 July 172051-2070135.44e-06-4.80-4.820Based on 34 optical observations (of which 0 are rejected as outliers) from 2010-08-29.459 to 2010-09-03.430.
JPL Sentry1400 July 172051-206461.059863e-05-4.41-4.420Computed at 06:32 July 17th Pacific time based on 34 observations spanning 4.9710 days (2010-Aug-29.457787 to 2010-Sep-03.42881). Diameter approximately 0.047 km. from weighted mean H=24.28.
Assessment postings were noted by A/CC on 17 July   -   References: DOU 2019-O03
C   L   E   A   R   E   D
2019 OE4JPL Sentry1500 Aug. 5R E M O V E DRisk listing removed at 1346 UTC Aug. 5th
NEODyS2331 Aug. 3R E M O V E D
Assessment postings were noted by A/CC on 1 Aug., 3 Aug. & 5 Aug.   -   References: MPEC 2019-P15 plus DOUs 2019-P35 & 2019-P40
2019 OU3JPL Sentry1530 Aug. 12R E M O V E DRisk listing removed at 1302 UTC Aug. 12th
NEODyS1530 Aug. 12R E M O V E D
Assessment postings were noted by A/CC on 1 Aug., 5 Aug., 7 Aug. & 12 Aug.   -   References: MPEC 2019-P09 plus DOUs 2019-P40, 2019-P44 & 2019-P89
2019 OR1JPL Sentry1530 Aug. 12R E M O V E DRisk listing removed at 1309 UTC Aug. 12th
NEODyS1530 Aug. 12R E M O V E D
Assessment postings were noted by A/CC on 29 July, 31 July, 1 Aug. & 12 Aug.   -   References: MPEC 2019-O108 plus DOUs 2019-O139, 2019-P17 & 2019-P89
2019 NJ7NEODyS2132 July 21R E M O V E D
JPL Sentry1530 July 21R E M O V E DRisk listing removed at 1332 UTC July 21st
Assessment postings were noted by A/CC on 19 July & 21 July   -   References: MPEC 2019-O38 plus DOUs 2019-O42 & 2019-O75
2019 NA7NEODyS1410 July 30R E M O V E D
Assessment postings were noted by A/CC on 17 July & 30 July   -   References: MPEC 2019-O04 plus DOUs 2019-O120 & 2019-O139
2019 LR4JPL Sentry1530 Aug. 14R E M O V E DRisk listing removed at 1302 UTC Aug. 14th
NEODyS1530 Aug. 14R E M O V E D
Assessment postings were noted by A/CC on 14 Aug.   -   References: DOU 2019-P99
2018 RY1NEODyS2004 July 17R E M O V E D
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2017 WZ12NEODyS2004 July 17R E M O V E D
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2017 FR102NEODyS2004 July 17R E M O V E D
An assessment posting was noted by A/CC on 17 July   -   References: DOU 2019-O03
2016 TT92NEODyS2006 July 18R E M O V E D
An assessment posting was noted by A/CC on 18 July   -   References: DOU 2019-O11
2016 JP38NEODyS2030 Aug. 1R E M O V E D
An assessment posting was noted by A/CC on 1 Aug.   -   References: DOU 2019-P17
2014 HS197NEODyS1630 July 19R E M O V E D
JPL Sentry1400 July 19R E M O V E DRisk listing removed at 1313 UTC July 19th
Assessment postings were noted by A/CC on 19 July   -   References: DOU 2019-O30
2012 DW60JPL Sentry2148 July 28R E M O V E DRisk listing removed at 2102 UTC July 28th
NEODyS2145 July 28R E M O V E D
Assessment postings were noted by A/CC on 28 July   -   References: MPEC 2019-O85
2006 QV89NEODyS1530 Aug. 12R E M O V E D
JPL Sentry2358 Aug. 11R E M O V E DRisk listing removed at 2349 UTC Aug. 11th
Assessment postings were noted by A/CC on 18 July, 11 Aug. & 12 Aug.   -   References: MPEC 2019-P85 plus DOU 2019-P89

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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