Haidea (minor planet designation: 368 Haidea) is a large asteroid residing in the asteroid belt.[1] It was discovered by Auguste Charlois on 19 May 1893 in Nice.
| Discovery | |
|---|---|
| Discovered by | Auguste Charlois |
| Discovery date | 19 May 1893 |
| Designations | |
MPC designation | (368) Haidea |
| Pronunciation | [citation needed] |
Alternative designations | 1893 AB |
Minor planet category | Main belt |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 110.46 yr (40344 d) |
| Aphelion | 3.6914 AU (552.23 Gm) |
| Perihelion | 2.4594 AU (367.92 Gm) |
Semi-major axis | 3.0754 AU (460.07 Gm) |
| Eccentricity | 0.20031 |
Orbital period (sidereal) | 5.39 yr (1969.9 d) |
Mean anomaly | 270.180° |
Mean motion | 0° 10m 57.9s / day |
| Inclination | 7.7935° |
Longitude of ascending node | 226.340° |
Argument of perihelion | 94.934° |
| Physical characteristics | |
| Dimensions | 69.61±2.2 km |
Synodic rotation period | 9.823 h (0.4093 d) |
Geometric albedo | 0.0389±0.003 |
Spectral type | PD |
Absolute magnitude (H) | 9.93 |
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