(1863) Antinous
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Asteroid (1863) Antinous |
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|---|---|
| Properties of the orbit ( animation ) | |
| Orbit type | Apollo type |
| Major semi-axis | 2.2590 AU |
| eccentricity | 0.6068 |
| Perihelion - aphelion | 0.8883 AU - 3.6297 AU |
| Inclination of the orbit plane | 18.402 ° |
| Sidereal period | 1240.15 days |
| Mean orbital velocity | 19.82 km / s |
| Physical Properties | |
| Medium diameter | 2.1 km |
| Dimensions | ? kg |
| Albedo | 0.2 |
| Medium density | ? g / cm³ |
| Rotation period | 7.457 hours |
| Absolute brightness | 15.6 mag |
| Spectral class | Sq |
| history | |
| Explorer | Carl A. Wirtanen |
| Date of discovery | March 7, 1948 |
| Another name | 1948 EA |
| 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. | |
(1863) Antinous is a near-Earth asteroid (planetoid) of the Apollo type .
The asteroid was discovered on March 7, 1948 by Carl A. Wirtanen at the Lick Observatory on Mount Hamilton and was probably named after the mythological Antinous .
Antinous moves between 0.8883 AU ( perihelion ) and 3.6297 AU ( aphelion ) around the sun in around 3.4 years . The eccentricity of its orbit, which is inclined by 18.402 ° against the ecliptic, is 0.6068.
Antinous is classified as an S-type and rotates on its own axis in 7.457 hours. The albedo of its surface is about 0.2 and its diameter is estimated to be about 2 km.
See also
Individual evidence
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