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2007 KO4
Earth Impact Risk Summary
Torino Scale
(maximum)
0
Palermo Scale
(maximum)
-4.51
Palermo Scale
(cumulative)
-4.25
Impact Probability
(cumulative)
3.9e-06
Number of Potential Impacts
295
V
impact
17.64 km/s
V
infinity
13.67 km/s
H
23.3
Diameter
0.075 km
Mass
5.7e+08 kg
Energy
2.1e+01 MT
all above are mean values
weighted by impact probability
Analysis based on
14 observations spanning 3.0066 days
(2007-May-22.26517 to 2007-May-25.27172)
Orbit diagram and elements available
here
.
These results were computed on May 25, 2007
2007 KO4
Earth Impact Table
Date
Distance
Width
Sigma
Impact
Sigma
LOV
Stretch
LOV
Impact
Probability
Impact
Energy
Palermo
Scale
Torino
Scale
YYYY-MM-DD.DD
(r
Earth
)
(r
Earth
)
(r
Earth
)
(MT)
2015-11-24.13
2.79
4.34e+01
0.041
0.88797
1.10e+04
7.0e-07
2.07e+01
-4.51
0
2022-11-23.56
100.63
3.94e+01
2.531
0.20646
2.20e+04
2.2e-08
2.32e+01
-6.24
0
2022-11-23.88
3.86
4.35e+01
0.066
0.88398
3.53e+06
2.2e-09
2.07e+01
-7.27
0
2024-11-23.39
3.25
4.36e+01
0.052
0.89183
4.68e+06
1.6e-09
2.07e+01
-7.45
0
2024-11-23.84
124.40
4.57e+01
2.703
1.73724
1.99e+04
3.0e-09
1.82e+01
-7.24
0
2029-11-23.19
142.18
3.76e+01
3.751
-0.03689
3.22e+04
3.3e-10
2.42e+01
-8.21
0
2030-11-23.91
4.92
4.33e+01
0.090
0.87755
1.08e+06
7.2e-09
2.08e+01
-6.94
0
2030-11-23.74
50.26
4.01e+01
1.228
0.50318
3.10e+04
1.6e-07
2.21e+01
-5.57
0
2032-11-23.42
7.10
4.33e+01
0.141
0.89461
2.97e+06
2.6e-09
2.07e+01
-7.42
0
2032-11-23.76
97.62
4.44e+01
2.178
1.52123
2.88e+04
1.1e-08
1.88e+01
-6.83
0
2037-11-23.68
5.79
4.33e+01
0.111
0.88115
3.71e+06
2.1e-09
2.07e+01
-7.59
0
2037-11-23.34
101.21
3.90e+01
2.568
0.20717
2.69e+06
1.6e-10
2.32e+01
-8.66
0
2038-11-23.74
51.33
3.94e+01
1.276
0.50423
2.56e+06
1.9e-09
2.21e+01
-7.63
0
2038-11-23.74
51.02
4.06e+01
1.231
0.50577
1.01e+06
4.9e-09
2.20e+01
-7.21
0
2038-11-23.84
25.08
4.05e+01
0.594
0.66289
3.73e+04
2.2e-07
2.15e+01
-5.57
0
2038-11-23.93
5.36
4.33e+01
0.101
0.86706
3.86e+05
2.0e-08
2.08e+01
-6.61
0
2040-11-23.44
9.68
4.33e+01
0.201
0.89687
2.45e+06
3.1e-09
2.07e+01
-7.46
0
2040-11-23.72
86.19
4.37e+01
1.950
1.41151
3.64e+04
1.7e-08
1.91e+01
-6.76
0
2041-11-23.69
9.92
4.32e+01
0.207
0.89327
7.29e+06
1.0e-09
2.07e+01
-7.95
0
2044-11-23.11
99.10
3.92e+01
2.501
0.20491
3.02e+06
1.7e-10
2.32e+01
-8.73
0
2044-11-23.06
116.19
3.77e+01
3.055
0.10542
4.32e+04
2.7e-09
2.36e+01
-7.53
0
2044-11-23.10
101.34
3.91e+01
2.569
0.19065
2.26e+05
1.9e-09
2.33e+01
-7.67
0
2044-11-23.44
6.81
4.33e+01
0.134
0.88218
6.55e+06
1.2e-09
2.07e+01
-7.93
0
2045-11-23.48
61.09
3.91e+01
1.535
0.42456
4.33e+04
8.0e-08
2.24e+01
-6.08
0
2045-11-23.51
50.42
3.99e+01
1.240
0.49215
2.85e+05
1.8e-08
2.21e+01
-6.74
0
2045-11-23.58
26.66
3.97e+01
0.646
0.66203
3.38e+06
2.4e-09
2.15e+01
-7.62
0
2046-11-23.85
24.32
4.06e+01
0.574
0.66690
1.04e+06
7.9e-09
2.15e+01
-7.11
0
2046-11-23.92
5.25
3.93e+01
0.108
0.78350
2.37e+04
3.9e-07
2.11e+01
-5.42
0
2046-11-23.94
2.55
4.49e+01
0.035
0.83764
4.89e+04
1.6e-07
2.09e+01
-5.81
0
2048-11-23.49
15.47
4.02e+01
0.360
0.95227
8.57e+05
8.6e-09
2.05e+01
-7.11
0
2048-11-23.48
12.79
4.56e+01
0.258
0.93381
1.12e+06
6.1e-09
2.06e+01
-7.26
0
2048-11-23.72
76.98
4.32e+01
1.757
1.34448
4.06e+04
2.4e-08
1.93e+01
-6.69
0
2048-11-23.73
83.19
4.38e+01
1.876
1.40559
3.19e+05
2.2e-09
1.91e+01
-7.73
0
2048-11-23.73
83.75
4.35e+01
1.902
1.41050
2.08e+06
3.2e-10
1.91e+01
-8.57
0
2048-11-23.47
9.00
4.33e+01
0.185
0.89882
1.95e+06
3.9e-09
2.07e+01
-7.46
0
2049-11-24.05
103.38
4.43e+01
2.313
1.52330
1.60e+06
1.4e-10
1.88e+01
-8.93
0
2049-11-24.05
103.67
4.40e+01
2.334
1.52738
5.00e+05
4.4e-10
1.88e+01
-8.44
0
2050-11-24.52
160.46
4.53e+01
3.519
1.98319
2.40e+04
1.2e-10
1.76e+01
-9.04
0
2052-11-23.28
46.16
3.97e+01
1.139
0.49974
2.68e+06
2.1e-09
2.21e+01
-7.74
0
2052-11-23.46
9.38
4.32e+01
0.194
0.88006
4.03e+06
1.9e-09
2.07e+01
-7.80
0
2053-11-23.61
24.02
4.03e+01
0.571
0.65791
1.31e+06
6.4e-09
2.15e+01
-7.27
0
2053-11-23.71
7.56
4.32e+01
0.152
0.87328
1.14e+06
6.8e-09
2.08e+01
-7.26
0
2054-11-23.94
0.06
4.56e+01
0.000
0.83308
6.51e+05
1.2e-08
2.09e+01
-7.02
0
2054-11-23.93
5.92
3.86e+01
0.128
0.79241
3.50e+05
2.7e-08
2.10e+01
-6.67
0
2056-11-23.71
71.89
4.29e+01
1.654
1.29874
4.05e+04
3.0e-08
1.94e+01
-6.66
0
2056-11-23.72
75.12
4.32e+01
1.714
1.33647
1.96e+05
5.3e-09
1.93e+01
-7.42
0
2056-11-23.49
12.61
4.47e+01
0.260
0.93022
1.20e+06
5.8e-09
2.06e+01
-7.36
0
2056-11-23.49
10.70
4.32e+01
0.225
0.90064
1.61e+06
4.7e-09
2.07e+01
-7.45
0
2056-11-23.72
75.92
4.31e+01
1.740
1.34399
4.02e+06
2.5e-10
1.93e+01
-8.75
0
2057-11-24.16
129.43
4.60e+01
2.791
1.72503
3.79e+05
1.2e-10
1.82e+01
-9.08
0
2058-11-23.99
12.83
4.33e+01
0.273
0.89373
7.41e+06
1.0e-09
2.07e+01
-8.14
0
2059-11-23.89
98.75
3.89e+01
2.514
0.18981
2.86e+06
1.8e-10
2.33e+01
-8.86
0
2059-11-23.85
112.27
3.78e+01
2.947
0.11160
3.91e+05
4.1e-10
2.36e+01
-8.49
0
2059-11-23.90
96.64
3.92e+01
2.441
0.20591
5.91e+06
1.0e-10
2.32e+01
-9.10
0
2060-11-23.27
62.07
4.09e+01
1.495
0.40228
6.64e+03
5.4e-07
2.24e+01
-5.40
0
2060-11-23.16
94.99
3.97e+01
2.367
0.21584
6.58e+05
1.1e-09
2.32e+01
-8.08
0
2060-11-23.15
96.20
3.87e+01
2.459
0.20883
2.81e+06
2.1e-10
2.32e+01
-8.80
0
2060-11-23.38
21.82
4.02e+01
0.517
0.66036
6.51e+06
1.3e-09
2.15e+01
-8.02
0
2061-11-23.71
2.77
4.44e+01
0.040
0.84055
3.10e+06
2.5e-09
2.09e+01
-7.75
0
2061-11-23.69
6.32
3.95e+01
0.135
0.77741
1.47e+06
6.3e-09
2.11e+01
-7.36
0
2061-11-23.57
45.35
4.01e+01
1.106
0.51420
5.74e+05
1.0e-08
2.20e+01
-7.14
0
2064-11-23.51
14.96
4.42e+01
0.316
0.92745
1.09e+06
6.4e-09
2.06e+01
-7.38
0
2064-11-23.53
19.87
4.14e+01
0.456
0.96122
7.42e+05
9.1e-09
2.05e+01
-7.23
0
2064-11-23.71
69.81
4.26e+01
1.616
1.26644
3.30e+04
4.2e-08
1.95e+01
-6.59
0
2064-11-23.71
71.26
4.29e+01
1.639
1.28711
8.28e+04
1.5e-08
1.94e+01
-7.02
0
2064-11-23.51
13.17
4.32e+01
0.282
0.90233
1.31e+06
5.6e-09
2.07e+01
-7.43
0
2065-11-23.77
17.64
4.71e+01
0.354
0.93675
1.22e+06
5.2e-09
2.05e+01
-7.47
0
2065-11-23.78
19.37
3.86e+01
0.476
0.94859
1.01e+06
7.2e-09
2.05e+01
-7.34
0
2065-11-24.04
92.71
4.35e+01
2.107
1.42250
3.78e+05
1.1e-09
1.91e+01
-8.16
0
2066-11-24.00
10.75
4.32e+01
0.226
0.88179
5.83e+06
1.3e-09
2.07e+01
-8.08
0
2067-11-24.04
58.72
3.88e+01
1.489
0.42153
2.58e+06
1.5e-09
2.24e+01
-8.02
0
2067-11-24.08
47.30
3.97e+01
1.166
0.49816
2.60e+06
2.1e-09
2.21e+01
-7.86
0
2067-11-24.26
9.25
4.31e+01
0.191
0.87944
3.39e+06
2.3e-09
2.07e+01
-7.85
0
2068-11-23.30
54.95
3.90e+01
1.382
0.43542
3.20e+05
1.4e-08
2.23e+01
-7.06
0
2068-11-23.51
10.00
4.31e+01
0.209
0.87517
1.41e+06
5.5e-09
2.08e+01
-7.47
0
2068-11-23.32
46.21
3.97e+01
1.139
0.49116
5.77e+06
9.8e-10
2.21e+01
-8.20
0
2069-11-23.74
7.15
4.39e+01
0.140
0.84579
4.77e+05
1.6e-08
2.09e+01
-7.00
0
2069-11-23.75
9.16
4.32e+01
0.189
0.86019
2.14e+05
3.7e-08
2.08e+01
-6.66
0
2069-11-23.75
10.16
4.32e+01
0.212
0.86504
9.90e+05
7.8e-09
2.08e+01
-7.33
0
2069-11-23.71
4.12
3.99e+01
0.078
0.76691
2.74e+05
3.4e-08
2.11e+01
-6.68
0
2069-11-23.58
43.05
4.00e+01
1.052
0.51039
1.47e+06
4.2e-09
2.20e+01
-7.58
0
2072-11-23.72
68.13
4.25e+01
1.579
1.26617
4.67e+06
3.1e-10
1.95e+01
-8.77
0
2072-11-23.52
11.79
4.32e+01
0.250
0.90260
6.26e+06
1.2e-09
2.07e+01
-8.17
0
2072-11-23.53
13.57
4.32e+01
0.291
0.90400
9.65e+05
7.6e-09
2.06e+01
-7.36
0
2072-11-23.53
14.95
4.40e+01
0.317
0.92502
8.96e+05
7.8e-09
2.06e+01
-7.35
0
2072-11-23.55
20.71
4.16e+01
0.473
0.96480
6.16e+05
1.1e-08
2.04e+01
-7.21
0
2073-11-23.43
95.99
3.89e+01
2.443
0.19241
2.45e+06
2.5e-10
2.32e+01
-8.82
0
2073-11-23.44
95.69
3.86e+01
2.454
0.19828
6.44e+05
9.1e-10
2.32e+01
-8.25
0
2073-11-23.44
94.80
3.94e+01
2.379
0.20380
2.07e+06
3.3e-10
2.32e+01
-8.68
0
2073-11-23.78
14.09
4.32e+01
0.303
0.89723
4.70e+06
1.6e-09
2.07e+01
-8.05
0
2073-11-23.78
14.46
4.31e+01
0.312
0.89780
1.44e+06
5.1e-09
2.07e+01
-7.54
0
2073-11-23.78
14.77
4.31e+01
0.319
0.89845
4.91e+06
1.5e-09
2.07e+01
-8.08
0
2073-11-23.39
112.09
3.74e+01
2.970
0.09989
8.82e+05
1.7e-10
2.36e+01
-8.97
0
2073-11-24.10
102.55
4.43e+01
2.291
1.49858
1.49e+05
1.7e-09
1.88e+01
-8.05
0
2073-11-24.03
83.41
4.30e+01
1.915
1.35087
9.60e+05
7.4e-10
1.92e+01
-8.40
0
2074-11-24.02
12.65
4.31e+01
0.270
0.88092
7.76e+06
9.7e-10
2.07e+01
-8.27
0
2074-11-24.02
12.42
4.31e+01
0.265
0.88060
2.70e+06
2.8e-09
2.07e+01
-7.81
0
2074-11-24.03
14.98
4.31e+01
0.324
0.89528
3.05e+06
2.4e-09
2.07e+01
-7.87
0
2074-11-24.36
107.97
4.41e+01
2.426
1.53591
3.29e+05
5.3e-10
1.87e+01
-8.57
0
2074-11-23.69
93.83
3.89e+01
2.385
0.20631
6.01e+06
1.1e-10
2.32e+01
-9.16
0
2075-11-23.94
92.64
3.94e+01
2.324
0.21656
2.73e+06
2.9e-10
2.31e+01
-8.76
0
2075-11-23.95
91.89
3.94e+01
2.307
0.21991
4.42e+05
1.8e-09
2.31e+01
-7.95
0
2075-11-24.04
60.80
3.67e+01
1.631
0.39949
2.27e+06
1.4e-09
2.24e+01
-8.08
0
2075-11-24.04
60.36
4.01e+01
1.479
0.40241
2.56e+06
1.4e-09
2.24e+01
-8.07
0
2075-11-24.28
14.60
4.32e+01
0.315
0.89400
4.27e+06
1.7e-09
2.07e+01
-8.03
0
2075-11-23.94
93.99
3.86e+01
2.406
0.20815
3.97e+06
1.7e-10
2.32e+01
-9.00
0
2076-11-23.42
20.42
4.03e+01
0.482
0.65322
7.44e+05
1.2e-08
2.15e+01
-7.18
0
2076-11-23.52
11.79
4.31e+01
0.250
0.86883
1.50e+06
5.1e-09
2.08e+01
-7.56
0
2076-11-23.52
12.02
4.31e+01
0.256
0.87171
3.27e+05
2.3e-08
2.08e+01
-6.90
0
2076-11-23.52
12.26
4.31e+01
0.261
0.87229
5.72e+05
1.3e-08
2.08e+01
-7.14
0
2076-11-23.31
54.66
3.92e+01
1.371
0.42937
1.91e+06
2.3e-09
2.23e+01
-7.88
0
2077-11-23.60
42.52
4.00e+01
1.039
0.50892
2.30e+06
2.7e-09
2.20e+01
-7.82
0
2077-11-23.69
16.82
4.04e+01
0.392
0.67741
3.05e+05
3.0e-08
2.14e+01
-6.79
0
2077-11-23.76
7.80
4.33e+01
0.157
0.85946
6.03e+06
1.3e-09
2.08e+01
-8.16
0
2080-11-23.54
13.11
4.31e+01
0.281
0.90448
2.37e+06
3.1e-09
2.06e+01
-7.80
0
2080-11-23.55
14.52
4.32e+01
0.313
0.90574
6.26e+05
1.2e-08
2.06e+01
-7.23
0
2080-11-23.58
22.05
4.18e+01
0.504
0.96828
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2080-11-23.54
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2081-11-23.61
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2081-11-23.61
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2081-11-23.61
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2081-11-23.81
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2081-11-23.82
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2081-11-23.82
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2081-11-24.05
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2081-11-24.11
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2081-11-24.12
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2081-11-23.69
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2082-11-23.82
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2082-11-24.04
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2082-11-24.04
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2082-11-23.86
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2082-11-24.07
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2082-11-24.07
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2082-11-24.45
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2082-11-24.46
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2082-11-24.47
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2082-11-24.47
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2082-11-23.86
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2083-11-23.97
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2083-11-23.97
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2083-11-24.11
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2083-11-24.11
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2083-11-24.29
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2083-11-24.08
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2084-11-23.50
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2084-11-23.34
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2084-11-23.38
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2084-11-23.38
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2084-11-23.99
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2084-11-23.53
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2085-11-23.62
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2085-11-23.71
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2085-11-23.62
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2088-11-23.10
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