2010 RX30
Discovery[1] | |
---|---|
Discovered by | Mt. Lemmon Survey |
Discovery site | Summerhaven, Arizona, USA |
Discovery date | 5 September 2010 |
Designations | |
MPC designation | 2010 RX30 |
MPO 279189 | |
Minor planet category | 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] |
Absolute magnitude (H) | 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[]
- ^ a b c d "2010 RX30". Minor Planet Center. Retrieved 16 August 2017.
- ^ a b c d e "(2010 RX30)". JPL Small-Body Database. Jet Propulsion Laboratory. SPK-ID: 3545558. Retrieved 16 August 2017.
- ^ a b c 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.
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
- Ephemeris · Obs prediction · Orbital info · MOID · Proper elements · Obs info · Close · Physical info · NEOCC
- 2010 RX30 at ESA–space situational awareness
- 2010 RX30 at the JPL Small-Body Database
Categories:
- Aten asteroids
- Minor planet object articles (unnumbered)
- Near-Earth objects in 2010
- Discoveries by MLS
- Astronomical objects discovered in 2010
- Near-Earth asteroid stubs