(332446) 2008 AF4
| Discovery | |
|---|---|
| Discovery date | January 10, 2008 |
| Designations | |
| Apollo | |
| Orbital characteristics[1] | |
| Epoch May 14, 2008 (JD 2454600.5) | |
| Aphelion | 1.950439435123868±2.6748e-05 AU |
| Perihelion | 0.8147012086707814±3.5283e-06 AU |
| 1.382570321897325±1.896e-05 AU | |
| Eccentricity | 0.4107343432970895±1.0617e-05 |
| 593.7850679079642±0.012214 d (1.63±3.344e-05a) | |
|
Average orbital speed
|
11.66 km/s |
| 106.4875997727181±0.0023546° | |
| Inclination | 8.920043606536419±0.00020299° |
| 109.4303940330929±7.2627e-05° | |
| 293.3361862619637±0.00011821° | |
| Physical characteristics | |
| Dimensions | 390 m |
| Mass | 8.3x1010 kg |
| 19.677[1] | |
(332446) 2008 AF4 is an asteroid which was listed on the Sentry Risk Table in January 2008 with a Torino Scale rating of 1.[2] The asteroid showed a 1 in 71,000 chance of impact on 9 January 2089.[2] It was briefly downgraded to Torino Scale 0 in February 2008, but still showed a cumulative 1 in 53,000 chance of an impact.[3] In March it was back at Torino Scale 1 with a 1 in 28,000 chance of impact on 9 January 2089.[4] By mid April 2008, it was back to Torino Scale 0. It was removed from the Sentry Risk Table on 19 December 2009.[5]
2183 passage
2008 AF4 may pass as close as 0.002 AU (300,000 km; 190,000 mi) from Earth on 2183-Jan-12.[6] But the nominal solution shows the asteroid passing 0.009 AU (1,300,000 km; 840,000 mi) from Earth.[6]
References
- ↑ 1.0 1.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 2.0 2.1 Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ Lua error in package.lua at line 80: module 'strict' not found.
- ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
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