Astronomy:2010 RX30
From HandWiki
| Discovery[1] | |
|---|---|
| Discovered by | Mt. Lemmon Survey |
| Discovery site | Summerhaven, Arizona, USA |
| Discovery date | 5 September 2010 |
| Designations | |
| 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 |
| |{{{apsis}}}|helion}} | 1.15342 astronomical unit|AU (172.549 Gm) |
| |{{{apsis}}}|helion}} | 0.50803 AU (76.000 Gm) |
| 0.83073 AU (124.275 Gm) | |
| Eccentricity | 0.38845 |
| Orbital period | 0.76 yr (276.558 d) 0.76 yr |
| Mean anomaly | 338.78° |
| Mean motion | 1° 18m 7.56s /day |
| Inclination | 5.05966° |
| Longitude of ascending node | 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
- ↑ 1.0 1.1 1.2 1.3 "2010 RX30". Minor Planet Center. http://www.minorplanetcenter.net/db_search/show_object?utf8=✓&object_id=2010+RX30. Retrieved 16 August 2017.
- ↑ 2.0 2.1 2.2 2.3 2.4 "(2010 RX30)". JPL Small-Body Database. Jet Propulsion Laboratory. http://ssd.jpl.nasa.gov/sbdb.cgi?sstr=3545558.
- ↑ 3.0 3.1 3.2 2010 RX30 Impact Risk
- ↑ Finch, L. (September 8, 2010). "Harvard scientists keep an eye on wayward asteroids". The Boston Globe. http://www.boston.com/news/local/breaking_news/2010/09/harvard_scienti_1.html.
- ↑ Than, Ker (September 8, 2010). "Second Asteroid to Buzz Earth Later Today". National Geographic News (National Geographic Society). http://news.nationalgeographic.com/news/2010/09/100908-asteroids-earth-nasa-catalina-sky-survey-science-space/.
External links
- Grossman, Lisa (September 8, 2010). "Close-Shave Asteroid Caught on Camera". WIRED Science. https://www.wired.com/wiredscience/2010/09/asteroid-animation-2/.
- 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
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