(385571) Otrera
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Asteroid (385571) Otrera |
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| Properties of the orbit ( animation ) | |
| Orbit type | Neptune Trojan (L 4 ) |
| Major semi-axis | 30.1 AU |
| eccentricity | 0.02 |
| Perihelion - aphelion | 29.3 AU - 30.8 AU |
| Inclination of the orbit plane | 1.4 ° |
| Sidereal period | approx. 165 years |
| Physical Properties | |
| Medium diameter | <100 km |
| Absolute brightness | 8.8 likes |
| history | |
| Explorer |
Scott S. Sheppard , Chad Trujillo , David C. Jewitt |
| Date of discovery | October 16, 2004 |
| Source: Unless otherwise stated, the data comes from JPL Small-Body Database Browser . The affiliation to an asteroid family is automatically determined from the AstDyS-2 database . Please also note the note on asteroid items. | |
(385571) Otrera was the second known Neptune Trojan . It was discovered by astronomers Scott S. Sheppard , Chad Trujillo and David C. Jewitt through observations between October 16 and December 14, 2004 with the Magellan Baade telescope at Las Campanas Observatory and the Subaru telescope on Mauna Kea discovered.
(385571) Otrera moves around the sun at a distance of around 30 astronomical units in almost 170 years . The orbit is inclined 1.4 ° to the ecliptic , the orbital eccentricity is 0.02.
Due to the absolute brightness of about 9 mag, one can estimate that the diameter of (385571) Otrera is less than 100 kilometers.
(385571) Otrera was named on November 25, 2015 after Otrere , a queen of the Amazons in Greek mythology.