232 Russia
Main-belt asteroid
Russia (minor planet designation: 232 Russia) is a large Main belt asteroid. It is classified as a C-type asteroid and is probably composed of primitive carbonaceous material. It was discovered by Johann Palisa on 31 January 1883 in Vienna, who named it after the country of Russia.
Photometric observations of this asteroid collected during 2007 show a rotation period of 21.8 ± 0.2 hours with a brightness variation of 0.2 ± 0.02 magnitude.[2] A follow-up study during 2014 discovered that the rotation period varied depending on the phase angle of observation. The measured rotation varied from 22.016 ± 0.004 hours at a phase angle of 21.5 degrees to 17.0, to 21.904 ± 0.002 hours at phase angles between 5.2 degrees and 9.6 degrees. The reason for this variation has to do with the shape of the asteroid.[3]
References
- ^ "232 Russia". JPL Small-Body Database. NASA/Jet Propulsion Laboratory. Retrieved 12 May 2016.
- ^ Torno, Steven; Lemke Oliver, Robert; Ditteon, Richard (June 2008), "Asteroid Lightcurve Analysis at the Oakley Southern Sky Observatory - October 2007", The Minor Planet Bulletin, 35 (2): 54–55, Bibcode:2008MPBu...35...54T.
- ^ Pilcher, Frederick (April 2013), "Another Asteroid with a Changing Lightcurve: 232 Russia", The Minor Planet Bulletin, 41 (4): 205, Bibcode:2014MPBu...41..205P.
External links
- The Asteroid Orbital Elements Database
- Minor Planet Discovery Circumstances
- 232 Russia at AstDyS-2, Asteroids—Dynamic Site
- Ephemeris · Observation prediction · Orbital info · Proper elements · Observational info
- 232 Russia at the JPL Small-Body Database
- Close approach · Discovery · Ephemeris · Orbit diagram · Orbital elements · Physical parameters
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- 231 Vindobona
- 232 Russia
- 233 Asterope
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