2004 MN4 Impact Risk

2004 MN4
Earth Impact Risk Summary

Torino Scale (maximum)	4
Palermo Scale (maximum)	1.10
Palermo Scale (cumulative)	1.10
Impact Probability (cumulative)	2.7e-02
Number of Potential Impacts	41

V_impact	12.59 km/s
V_infinity	5.85 km/s
H	19.7
Diameter	0.390 km
Mass	7.9e+10 kg
Energy	1.5e+03 MT
all above are mean values weighted by impact probability

Analysis based on
176 observations spanning 190.91 days
(2004-Jun-19.16994 to 2004-Dec-27.08433)

Orbit diagram and elements available here.

These results were computed on Dec 27, 2004

2004 MN4 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)
`2029-04-13.89`	`0.67`	`7.37e-03`	`0.000`	`-1.04691`	`1.29e+01`	`2.7e-02`	`1.48e+03`	`1.10`	`4`
`2030-04-13.88`	`0.46`	`7.21e-03`	`0.000`	`-0.45961`	`1.44e+04`	`4.4e-05`	`1.48e+03`	`-1.70`	`1`
`2031-04-14.12`	`0.97`	`3.01e-02`	`0.000`	`-1.16185`	`1.05e+04`	`8.1e-06`	`1.48e+03`	`-2.45`	`0`
`2031-04-14.13`	`0.83`	`6.63e-02`	`0.000`	`-1.14868`	`1.22e+04`	`1.8e-05`	`1.48e+03`	`-2.09`	`1`
`2032-04-13.38`	`0.68`	`3.93e-03`	`0.000`	`-0.92755`	`4.61e+05`	`9.4e-07`	`1.48e+03`	`-3.40`	`0`
`2032-04-13.24`	`0.10`	`1.20e-02`	`0.000`	`-1.38680`	`5.88e+04`	`5.2e-06`	`1.48e+03`	`-2.66`	`0`
`2033-04-13.62`	`0.44`	`8.31e-03`	`0.000`	`-1.65717`	`3.39e+04`	`5.4e-06`	`1.48e+03`	`-2.66`	`0`
`2034-04-13.72`	`0.72`	`1.44e-02`	`0.000`	`-1.28379`	`1.25e+05`	`2.0e-06`	`1.48e+03`	`-3.11`	`0`
`2034-04-13.91`	`0.83`	`2.23e-01`	`0.000`	`-0.98502`	`1.18e+05`	`2.1e-06`	`1.48e+03`	`-3.09`	`0`
`2034-04-13.91`	`0.68`	`2.20e-01`	`0.000`	`-0.97883`	`1.10e+05`	`3.0e-06`	`1.48e+03`	`-2.93`	`0`
`2035-04-14.13`	`0.72`	`6.21e-03`	`0.000`	`-0.81140`	`4.96e+05`	`9.0e-07`	`1.48e+03`	`-3.47`	`0`
`2036-04-13.37`	`0.55`	`2.26e-02`	`0.000`	`-1.10964`	`8.08e+05`	`4.8e-07`	`1.48e+03`	`-3.75`	`0`
`2036-04-13.41`	`0.87`	`8.55e-03`	`0.000`	`-1.50655`	`9.22e+04`	`1.4e-06`	`1.48e+03`	`-3.30`	`0`
`2036-04-13.37`	`0.85`	`8.78e-03`	`0.000`	`-0.78659`	`4.90e+05`	`1.0e-06`	`1.48e+03`	`-3.43`	`0`
`2037-04-13.65`	`0.72`	`6.21e-03`	`0.000`	`-0.76521`	`4.83e+05`	`9.5e-07`	`1.48e+03`	`-3.47`	`0`
`2038-04-13.83`	`0.11`	`8.31e-03`	`0.000`	`-1.86067`	`4.43e+04`	`3.2e-06`	`1.48e+03`	`-2.96`	`0`
`2040-04-13.32`	`0.85`	`5.56e-03`	`0.000`	`-1.11718`	`8.58e+05`	`4.3e-07`	`1.48e+03`	`-3.85`	`0`
`2042-04-13.73`	`0.09`	`7.21e-03`	`0.000`	`0.41671`	`2.73e+04`	`2.7e-05`	`1.48e+03`	`-2.08`	`1`
`2042-04-13.89`	`0.95`	`1.04e-02`	`0.000`	`-0.99956`	`2.23e+06`	`7.1e-08`	`1.48e+03`	`-4.66`	`0`
`2043-04-14.00`	`0.34`	`7.43e-03`	`0.000`	`0.27639`	`3.60e+04`	`2.0e-05`	`1.48e+03`	`-2.22`	`1`
`2044-04-13.29`	`0.78`	`1.04e-02`	`0.000`	`-0.67011`	`4.79e+05`	`1.3e-06`	`1.48e+03`	`-3.43`	`0`
`2044-04-13.27`	`0.29`	`7.53e-03`	`0.000`	`0.17374`	`4.42e+04`	`1.7e-05`	`1.48e+03`	`-2.30`	`1`
`2046-04-14.06`	`0.83`	`1.57e-02`	`0.000`	`-0.90488`	`2.35e+06`	`1.8e-07`	`1.48e+03`	`-4.31`	`0`
`2046-04-13.33`	`0.16`	`9.21e-03`	`0.000`	`-0.75655`	`5.24e+05`	`1.1e-06`	`1.48e+03`	`-3.50`	`0`
`2047-04-14.19`	`0.58`	`2.32e-02`	`0.000`	`-0.96357`	`1.70e+06`	`2.9e-07`	`1.48e+03`	`-4.10`	`0`
`2048-04-13.29`	`0.47`	`1.11e-02`	`0.000`	`-0.73818`	`7.90e+05`	`7.0e-07`	`1.48e+03`	`-3.73`	`0`
`2048-04-13.47`	`0.97`	`1.11e-02`	`0.000`	`-0.91756`	`2.74e+06`	`1.7e-07`	`1.48e+03`	`-4.34`	`0`
`2049-04-13.69`	`0.47`	`2.48e-02`	`0.000`	`-0.93709`	`2.45e+06`	`1.9e-07`	`1.48e+03`	`-4.30`	`0`
`2051-04-13.82`	`0.62`	`7.47e-03`	`0.000`	`-0.13822`	`9.81e+04`	`6.3e-06`	`1.48e+03`	`-2.81`	`0`
`2052-04-13.74`	`0.81`	`5.77e-02`	`0.000`	`-0.91080`	`1.93e+06`	`2.5e-07`	`1.48e+03`	`-4.22`	`0`
`2052-04-12.23`	`0.86`	`1.22e-02`	`0.000`	`-1.94910`	`5.93e+05`	`1.0e-07`	`1.47e+03`	`-4.60`	`0`
`2052-04-13.08`	`0.67`	`4.87e-01`	`0.000`	`-1.15909`	`1.14e+06`	`3.0e-07`	`1.48e+03`	`-4.13`	`0`
`2053-04-13.44`	`0.76`	`2.94e-02`	`0.000`	`-1.11852`	`1.46e+06`	`2.1e-07`	`1.48e+03`	`-4.30`	`0`
`2053-04-13.51`	`0.67`	`1.27e-02`	`0.000`	`-0.60972`	`4.95e+05`	`1.1e-06`	`1.48e+03`	`-3.57`	`0`
`2056-04-12.88`	`0.59`	`7.61e-03`	`0.000`	`0.28377`	`3.81e+05`	`1.8e-06`	`1.48e+03`	`-3.38`	`0`
`2056-04-12.81`	`0.39`	`5.56e-03`	`0.000`	`0.41125`	`9.22e+05`	`7.4e-07`	`1.48e+03`	`-3.78`	`0`
`2059-04-13.65`	`0.34`	`4.91e-03`	`0.000`	`-0.25483`	`2.64e+05`	`2.8e-06`	`1.48e+03`	`-3.23`	`0`
`2060-04-12.97`	`0.27`	`7.18e-03`	`0.000`	`-0.26519`	`1.86e+05`	`4.0e-06`	`1.48e+03`	`-3.08`	`0`
`2067-04-13.69`	`0.20`	`7.26e-03`	`0.000`	`0.43492`	`9.89e+04`	`7.3e-06`	`1.48e+03`	`-2.87`	`0`
`2070-04-13.59`	`0.69`	`2.00e-02`	`0.000`	`-0.68574`	`1.08e+06`	`5.1e-07`	`1.48e+03`	`-4.04`	`0`
`2079-04-13.43`	`0.64`	`7.22e-03`	`0.000`	`0.43099`	`4.19e+05`	`1.4e-06`	`1.48e+03`	`-3.68`	`0`