871 Amneris is a minor planet orbiting the Sun. It is the namesake of the Amneris family, a subgroup of the Flora family of Main Belt asteroids.
Discovery | |
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Discovered by | Max Wolf |
Discovery site | Heidelberg |
Discovery date | 14 May 1917 |
Designations | |
MPC designation | (871) Amneris |
Pronunciation | /æmˈnɛrɪs/ |
Alternative designations | 1917 BY |
Minor planet category | Main belt Amneris family |
Orbital characteristics[1] | |
Epoch 31 July 2016 (JD 2457600.5) | |
Uncertainty parameter 0 | |
Observation arc | 108.93 yr (39786 days) |
Aphelion | 2.4891 AU (372.36 Gm) |
Perihelion | 1.9555 AU (292.54 Gm) |
Semi-major axis | 2.2223 AU (332.45 Gm) |
Eccentricity | 0.12006 |
Orbital period (sidereal) | 3.31 yr (1210.0 d) |
Mean anomaly | 340.333° |
Mean motion | 0° 17m 51.036s / day |
Inclination | 4.2509° |
Longitude of ascending node | 158.026° |
Argument of perihelion | 66.284° |
Physical characteristics | |
Absolute magnitude (H) | 12.6 |
This asteroid was named after Amneris, a character in Giuseppe Verdi's Aida.[2]
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