| Discovery[1] | |
|---|---|
| Discovered by | Mt. Lemmon Survey |
| Discovery site | Summerhaven, Arizona, USA |
| Discovery date | 5 September 2010 |
| Designations | |
| 2010 RX30 | |
| MPO 279189 | |
| NEO · Aten[2] | |
| Orbital characteristics[2] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 3[1] | |
| Observation arc | 1073[1] d |
| Aphelion | 1.15342 AU (172.549 Gm) |
| Perihelion | 0.50803 AU (76.000 Gm) |
| 0.83073 AU (124.275 Gm) | |
| Eccentricity | 0.38845 |
| 0.76 yr (276.558 d) 0.76 yr | |
| 338.78° | |
| 1° 18m 7.56s /day | |
| Inclination | 5.05966° |
| 166.154° | |
| 319.80° | |
| Earth MOID | 0.00108035 AU (161,618 km)[2] |
| Mercury MOID | 0.17834 AU (26,679,000 km)[1] |
| Jupiter MOID | 3.91055 AU (585.010 Gm)[2] |
| Physical characteristics | |
| Dimensions | 12 m[3] |
| Mass | 2.5×106 kg[3] |
| 27.1[2] | |
2010 RX30 is a micro-asteroid, classified as near-Earth object of the Aten group. On 8 September 2010 at 09:51 UTC, it passed between the Earth and the Moon approaching Earth within 248000kilometres above Japan.[4]
NASA estimated its size to be 12 metres in diameter with a mass of around 2500 tonnes.[3]
The asteroid was discovered by the Catalina Sky Survey near Tucson, Arizona on 5 September 2010, along with 2010 RF12.[5]
See also
- 2010 RF12, another asteroid that passed Earth the same day
- List of asteroid close approaches to Earth
References
- 1 2 3 4 "2010 RX30". Minor Planet Center. Retrieved 16 August 2017.
- 1 2 3 4 5 "(2010 RX30)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3545558. Retrieved 16 August 2017.
- 1 2 3 2010 RX30 Impact Risk
- ↑ Finch, L. (8 September 2010). "Harvard scientists keep an eye on wayward asteroids". The Boston Globe.
- ↑ Than, Ker (8 September 2010). "Second Asteroid to Buzz Earth Later Today". National Geographic News. National Geographic Society. Archived from the original on 11 September 2010.
External links
- Grossman, Lisa (8 September 2010). "Close-Shave Asteroid Caught on Camera". WIRED Science.
- 2010 RX30 at NeoDyS-2, Near Earth Objects—Dynamic Site
- 2010 RX30 at ESA–space situational awareness
- 2010 RX30 at the JPL Small-Body Database
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