Global Information3988 Huma information
| Discovery [1] | |
|---|---|
| Discovered by | E. F. Helin |
| Discovery site | Palomar Obs. |
| Discovery date | 4 June 1986 |
| Designations | |
MPC designation | (3988) Huma |
| Pronunciation | /ˈhuːmə/[2] |
Named after | Huma bird (Persian mythology)[3] |
Alternative designations | 1986 LA |
Minor planet category | Amor · NEO [1][3] |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 29.61 yr (10,815 days) |
| Aphelion | 2.0335 AU |
| Perihelion | 1.0556 AU |
Semi-major axis | 1.5445 AU |
| Eccentricity | 0.3166 |
Orbital period (sidereal) | 1.92 yr (701 days) |
Mean anomaly | 61.265° |
Mean motion | 0° 30m 48.6s / day |
| Inclination | 10.768° |
Longitude of ascending node | 229.82° |
Argument of perihelion | 86.912° |
| Earth MOID | 0.1781 AU · 69.4 LD |
| Physical characteristics | |
| Dimensions | 0.7 km[1] 0.782 km (calculated)[4] |
Synodic rotation period | 10.4±0.1 h[a] |
Geometric albedo | 0.20 (assumed)[4] |
Spectral type | S [4] |
Absolute magnitude (H) | 17.9[1][4] · 17.97±0.15[5] · 18.17±0.29[6] |
3988 Huma, provisional designation 1986 LA, is an eccentric sub-kilometer asteroid and near-Earth object of the Amor group. It was discovered on 4 June 1986, by American astronomer Eleanor Helin at Palomar Observatory, California.[3] The asteroid measures approximately 700 to 800 meters in diameter and was named after the Huma bird from Iranian mythology.
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