Compiled at 1521 UTC on 31 May 2009
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| 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 |
| 2009 KK8 | NEODyS | 1512 May 31 | 2017-2073 | 2 | 2.77e-08 | -4.47 | -4.67 | 0 | Based on 27 optical observations (of which 0 are rejected as outliers) from 2009/05/28.435 to 2009/05/30.460. |
| JPL Sentry | 2359 May 30 | 2017-2087 | 10 | 9.8e-08 | -3.87 | -4.30 | 0 | Analysis based on 27 observations spanning 2.0249 days (2009-May-28.43417 to 2009-May-30.45911). Diameter approximately 0.625 km. from mean, weighted H=18.7. | |
| Assessment postings were noted by A/CC on 30 May & 31 May - References: MPEC 2009-K74 | |||||||||
| 2009 KN4 | NEODyS | 1512 May 31 | 2077-2088 | 6 | 1.52e-07 | -3.71 | -3.82 | 0 | Based on 23 optical observations (of which 0 are rejected as outliers) from 2009/05/23.784 to 2009/05/29.741. |
| JPL Sentry | 1512 May 31 | 2077-2092 | 7 | 2.0e-07 | -3.59 | -3.72 | 0 | Analysis based on 23 observations spanning 5.9567 days (2009-May-23.78358 to 2009-May-29.74028). Diameter approximately 0.799 km. from mean, weighted H=18.2. | |
| Assessment postings were noted by A/CC on 26 May, 27 May, 29 May & 31 May - References: MPECs 2009-K46, 2009-K54, 2009-K66 & 2009-K77 | |||||||||
| 2009 KL2 | JPL Sentry | 1512 May 31 | 2016-2108 | 60 | 2.3e-08 | -4.24 | -4.55 | 0 | Analysis based on 16 observations spanning .94458 days (2009-May-30.0495 to 2009-May-30.99408). Diameter approximately 0.786 km. from mean, weighted H=18.2. |
| An assessment posting was noted by A/CC on 31 May - References: MPECs 2009-K76 & 2009-K77 | |||||||||
| 2009 KM | JPL Sentry | 1319 May 29 | 2091 | 1 | 4.1e-07 | -3.87 | -3.87 | 0 | Analysis based on 61 observations spanning 11.069 days (2009-May-17.26047 to 2009-May-28.3295). Diameter approximately 0.310 km. from mean, weighted H=20.2. |
| NEODyS | 1314 May 22 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 18 May, 19 May, 20 May, 21 May, 22 May, 23 May, 24 May, 25 May & 29 May - References: MPECs 2009-K10, 2009-K23, 2009-K24, 2009-K27, 2009-K30, 2009-K36, 2009-K44 & 2009-K66 | |||||||||
| 2009 KK | JPL Sentry | 1704 May 30 | 2022 | 1 | 6.9e-05 | -1.31 | -1.31 | 1 | Analysis based on 86 observations spanning 12.033 days (2009-May-17.25987 to 2009-May-29.29258). Diameter approximately 0.270 km. from mean, weighted H=20.5. |
| NEODyS | 1534 May 30 | 2022 | 1 | 6.92e-05 | -1.31 | -1.31 | 1 | Based on 86 optical observations (of which 0 are rejected as outliers) from 2009/05/17.261 to 2009/05/29.293. | |
| Assessment postings were noted by A/CC on 18 May, 19 May, 20 May, 21 May, 22 May, 23 May, 24 May, 25 May, 26 May, 27 May, 28 May, 29 May & 30 May - References: MPECs 2009-K08, 2009-K23, 2009-K24, 2009-K27, 2009-K30, 2009-K36, 2009-K44, 2009-K45, 2009-K54, 2009-K61, 2009-K66 & 2009-K73 | |||||||||
| 2009 JL2 | NEODyS | 1321 May 14 | 2057-2085 | 4 | 8.85e-06 | -5.59 | -5.90 | 0 | Based on 53 optical observations (of which 2 are rejected as outliers) from 2009/05/12.387 to 2009/05/13.629. |
| JPL Sentry | 2010 May 13 | 2057-2085 | 4 | 8.6e-06 | -5.60 | -5.92 | 0 | Analysis based on 52 observations spanning 1.2422 days (2009-May-12.38588 to 2009-May-13.62807). Diameter approximately 0.022 km. from mean, weighted H=26.0. | |
| Assessment postings were noted by A/CC on 13 May & 14 May - References: MPECs 2009-J53 & 2009-J55 | |||||||||
| 2009 JF1 | NEODyS | 1349 May 6 | 2022 | 1 | 3.14e-04 | -3.60 | -3.60 | 0 | Based on 25 optical observations (of which 0 are rejected as outliers) from 2009/05/04.421 to 2009/05/05.660. |
| JPL Sentry | 2000 May 5 | 2022 | 1 | 3.3e-04 | -3.59 | -3.59 | 0 | Analysis based on 25 observations spanning 1.2388 days (2009-May-04.42059 to 2009-May-05.659412). Diameter approximately 0.013 km. from mean, weighted H=27.1. | |
| Assessment postings were noted by A/CC on 5 May & 6 May - References: MPEC 2009-J26 | |||||||||
| 2009 JE1 | JPL Sentry | 2200 May 5 | 2044-2100 | 9 | 3.3e-08 | -8.84 | -8.97 | 0 | Analysis based on 10 observations spanning .06837 days (2009-May-04.36574 to 2009-May-04.43411). Diameter approximately 0.013 km. from mean, weighted H=27.1. |
| An assessment posting was noted by A/CC on 5 May - References: MPEC 2009-J25 | |||||||||
| 2009 HW67 | NEODyS | 1337 May 1 | 2046-2079 | 8 | 1.46e-06 | -6.10 | -6.45 | 0 | Based on 29 optical observations (of which 0 are rejected as outliers) from 2009/04/27.297 to 2009/05/01.213. |
| JPL Sentry | 1337 May 1 | 2046-2079 | 3 | 1.2e-06 | -6.19 | -6.52 | 0 | Analysis based on 29 observations spanning 3.9159 days (2009-Apr-27.29601 to 2009-May-01.21192). Diameter approximately 0.020 km. from mean, weighted H=26.1. | |
| Assessment postings were noted by A/CC on 1 May - References: MPEC 2009-J01 | |||||||||
| 2009 HC | JPL Sentry | 1319 May 29 | 2095-2099 | 2 | 1.0e-06 | -6.35 | -6.38 | 0 | Analysis based on 146 observations spanning 41.139 days (2009-Apr-17.23164 to 2009-May-28.37086). Diameter approximately 0.037 km. from mean, weighted H=24.8. |
| NEODyS | 1322 May 20 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 1 May, 2 May, 4 May, 5 May, 12 May, 13 May, 15 May, 16 May, 17 May, 18 May, 20 May, 22 May, 24 May & 29 May - References: MPECs 2009-J01, 2009-J10, 2009-J15, 2009-J24, 2009-J50, 2009-J52, 2009-J60, 2009-K03, 2009-K04, 2009-K23, 2009-K27, 2009-K36 & 2009-K66 | |||||||||
| 2009 ED27 | NEODyS | 1306 May 21 | 2010-2090 | 21 | 2.06e-09 | -2.94 | -2.97 | 0 | Based on 11 optical observations (of which 0 are rejected as outliers) from 2009/03/15.270 to 2009/03/19.367. |
| JPL Sentry | 1306 May 21 | 2031 | 2 | 1.5e-09 | -3.90 | -3.94 | 0 | Analysis based on 11 observations spanning 4.0975 days (2009-Mar-15.26893 to 2009-Mar-19.36638). Diameter approximately 2.700 km. from mean, weighted H=15.5. | |
| Assessment postings were noted by A/CC on 21 May - References: MPEC 2009-K24 | |||||||||
| C L E A R E D | |||||||||
| 2009 KD5 | JPL Sentry | 1319 May 28 | R E M O V E D | Risk listing removed at 0853 UTC 28 May | |||||
| Assessment postings were noted by A/CC on 27 May & 28 May - References: MPECs 2009-K55, 2009-K61, 2009-K66 & 2009-K73 | |||||||||
| 2009 KT4 | NEODyS | 1319 May 29 | R E M O V E D | ||||||
| JPL Sentry | 1319 May 29 | R E M O V E D | Risk listing removed at 0929 UTC 29 May | ||||||
| Assessment postings were noted by A/CC on 27 May & 29 May - References: MPECs 2009-K53, 2009-K66 & 2009-K73 | |||||||||
| 2009 KQ4 | JPL Sentry | 1534 May 30 | R E M O V E D | Risk listing removed at 0848 UTC 30 May | |||||
| NEODyS | 1534 May 30 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 27 May & 30 May - References: MPECs 2009-K51, 2009-K73 & 2009-K77 | |||||||||
| 2009 KG3 | JPL Sentry | 1529 May 25 | R E M O V E D | Risk listing removed at 1518 UTC 25 May | |||||
| An assessment posting was noted by A/CC on 25 May - References: MPECs 2009-K42 & 2009-K44 - Note: 2004 LC2 = 2009 KG3 | |||||||||
| 2009 KE3 | JPL Sentry | 1401 May 26 | R E M O V E D | Risk listing removed at 0850 UTC 26 May | |||||
| NEODyS | 1400 May 26 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 25 May & 26 May - References: MPECs 2009-K41, 2009-K45 & 2009-K66 | |||||||||
| 2009 KC3 | NEODyS | 1319 May 29 | R E M O V E D | ||||||
| JPL Sentry | 1319 May 29 | R E M O V E D | Risk listing removed at 0850 UTC 29 May | ||||||
| Assessment postings were noted by A/CC on 25 May, 26 May & 29 May - References: MPECs 2009-K39, 2009-K45 & 2009-K66 | |||||||||
| 2009 KN | NEODyS | 1322 May 20 | R E M O V E D | ||||||
| JPL Sentry | 1322 May 20 | R E M O V E D | Risk listing removed at 0850 UTC 20 May | ||||||
| Assessment postings were noted by A/CC on 18 May, 19 May & 20 May - References: MPECs 2009-K11, 2009-K23, 2009-K24, 2009-K27, 2009-K36 & 2009-K77 | |||||||||
| 2009 HF82 | JPL Sentry | 1312 May 4 | R E M O V E D | Risk listing removed at 0854 UTC 4 May | |||||
| NEODyS | 1312 May 4 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 1 May, 2 May & 4 May - References: MPECs 2009-J07, 2009-J15 & 2009-J24 | |||||||||
| 2009 HC82 | JPL Sentry | 1349 May 6 | R E M O V E D | Risk listing removed at 0854 UTC 6 May | |||||
| NEODyS | 1349 May 6 | R E M O V E D | |||||||
| Assessment postings were noted by A/CC on 4 May, 5 May & 6 May - References: MPECs 2009-J04, 2009-J10, 2009-J15, 2009-J24, 2009-J28, 2009-J41, 2009-J52, 2009-J60, 2009-K36 & 2009-K44 | |||||||||
| 2009 HM73 | NEODyS | 1337 May 1 | R E M O V E D | ||||||
| JPL Sentry | 1337 May 1 | R E M O V E D | Risk listing removed at 0849 UTC 1 May | ||||||
| Assessment postings were noted by A/CC on 1 May - References: MPECs 2009-J01, 2009-J28 & 2009-K77 | |||||||||
| 2009 HV58 | NEODyS | 1450 May 10 | R E M O V E D | ||||||
| JPL Sentry | 1450 May 10 | R E M O V E D | Risk listing removed at 0850 UTC 10 May | ||||||
| Assessment postings were noted by A/CC on 1 May, 2 May, 4 May, 5 May, 6 May & 10 May - References: MPECs 2009-J01, 2009-J10, 2009-J15, 2009-J24, 2009-J28, 2009-J41, 2009-J56, 2009-J60, 2009-K36, 2009-K66 & 2009-K73 | |||||||||
Legend: VI# = VI count, Prob Cum = cumulative probability, PS Cum/Max = cumulative/maximum Palermo Scale, TS = Torino Scale
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.