pods:asteroid
Table of Contents
Points of Divergence : Asteroid Impacts
PODs concerning alternate asteroid impacts of Earth with long-term ramifications on the course of natural or human history.
OTL Near misses
A near miss is when an asteroid or other large object from the Solar System comes within 5x the Earth-Moon distance by :
| Date | Time | Object | Distance | V_infinity | Size |
|---|---|---|---|---|---|
| 1908/12/16 | 12:55 GMT | 33342 (1998 WT24) | 3.5 LD | 8.93 km/s | 0.4 km. |
| 1933/01/17 | 11:44 GMT | 7482 (1994 PC1) | 2.9 LD | 19.76 km/s | 1.4 km. |
| 1937/10/30 | 17:05 GMT | 69230 Hermes | 1.9 LD | 18.24 km/s | 1.2 km. |
| 1942/04/26 | 18:19 GMT | 69230 Hermes | 1.7 LD | 18.45 km/s | 1.2 km. |
| 1946/08/07 | 11:33 GMT | 137108 (1999 AN10) | 2.4 LD | 26.41 km/s | 1.3 km |
| 1956/12/16 | 23:13 GMT | 33342 (1998 WT24) | 3.5 LD | 8.96 km/s | 0.4 km. |
| 1961/04/12 | 16:20 GMT | 163243 (2002 FB3) | 4.9 LD | 18.97 km/s | 2.7 km. |
| 1969/08/27 | 03:29 GMT | 192642 (1999 RD32) | 3.6 LD | 22.61 km/s | 2.6 km. |
| 1981/05/18 | 04:55 GMT | 143651 (2003 QO104) | 2.8 LD | 9.96 km/s | 3.1 km. |
| 1995/06/24 | 03:36 GMT | 170086 (2002 XR14) | 4.3 LD | 16.86 km/s | 1.2 km. |
| 2001/12/16 | 05:39 GMT | 33342 (1998 WT24) | 4.9 LD | 8.86 km/s | 0.4 km. |
| 2004/09/29 | 13:36 GMT | 4179 Toutatis | 4.0 LD | 10.97 km/s | 2.8 km. |
Source: NEO Earth Close-Approaches Between 1900 A.D. and 2200 A.D. (at neo.jpl.nasa.gov)
TBD: link to impact calculator
POD discussions
WI: Chunk of comet hitting Earth in 1998 ?
Best place for an asteroid to hit ?
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See Also
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pods/asteroid.txt · Last modified: 2019/03/29 15:13 by 127.0.0.1