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2012 EG5
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 The orbit of the asteroid 2012 EG5 during its flyby on April 1, 2012. The asteroids path is shown by the blue line. | |
| Discovery[1] | |
|---|---|
| Discovered by | Pan-STARRS |
| Discovery site | Haleakala Observatory, Haleakalā, Hawaii |
| Discovery date | March 13, 2012 |
| Designations | |
| 2012 EG5 | |
| MPO 230288 | |
Apollo  NEO | |
| Orbital characteristics[2] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 3[1] | |
| Observation arc | 21[1] d |
| Aphelion | 3.31229 AU (495.512 Gm) |
| Perihelion | 0.98483 AU (147.328 Gm) |
| 2.14856 AU (321.420 Gm) | |
| Eccentricity | 0.54163 |
| 3.15 yr (1150.32 d) 3.15 yr | |
| 256.02° | |
| 0° 18m 46.512s /day[1] | |
| Inclination | 3.02915° |
| 192.919° | |
| 16.002° | |
| Earth MOID | 0.0000309134 AU (4,624.58 km)[2] |
| Mercury MOID | 0.54576 AU (81,645,000 km)[1] |
| Jupiter MOID | 1.64413 AU (245.958 Gm)[1] |
| Physical characteristics | |
| 0.29240 hr[2] | |
| 24.3[2] | |
2012 EG5 is an Apollo near-Earth asteroid with an estimated diameter of 47 meters (154 ft).[3] The asteroid was discovered on March 13, 2012. The asteroid came within 0.001539 AU (230,200 km; 143,100 mi) of Earth during its closest approach on April 1, 2012,[2] just over half the distance between Earth and the Moon's orbit. It was briefly listed on the Sentry Risk Table with a 1 in 2,778,000 chance of an impact in 2107.[3] It was removed from the Sentry Risk Table on 1 April 2012.[4]
References
[edit]- ^ a b c d e f "2012 EG5". Minor Planet Center. Retrieved 16 August 2017.
- ^ a b c d e "(2012 EG5)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3601275. Retrieved 20 August 2017.
- ^ a b "WayBack Machine archive from 27 March 2012". Wayback Machine. 5 August 2006. Archived from the original on 27 March 2012. Retrieved 1 March 2013.
- ^ "Date/Time Removed". NASA/JPL Near-Earth Object Program Office. Archived from the original on 2 June 2002.
External links
[edit]- 2012 EG5 at NeoDyS-2, Near Earth Objects—Dynamic Site
- 2012 EG5 at ESA–space situational awareness
- 2012 EG5 at the JPL Small-Body Database
2012 in space | ||
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