Global Information6395 Hilliard information
| Discovery [1] | |
|---|---|
| Discovered by | Y. Kushida O. Muramatsu |
| Discovery site | Yatsugatake Obs. |
| Discovery date | 21 October 1990 |
| Designations | |
MPC designation | (6395) Hilliard |
Named after | Elizabeth and Leslie Hilliard (Herschel Museum of Astronomy)[2] |
Alternative designations | 1990 UE1 · 1975 VU8 1986 QX5 |
Minor planet category | main-belt · Nysa [3] |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 67.17 yr (24,534 days) |
| Aphelion | 2.8975 AU |
| Perihelion | 1.9287 AU |
Semi-major axis | 2.4131 AU |
| Eccentricity | 0.2007 |
Orbital period (sidereal) | 3.75 yr (1,369 days) |
Mean anomaly | 50.639° |
Mean motion | 0° 15m 46.44s / day |
| Inclination | 1.4970° |
Longitude of ascending node | 227.68° |
Argument of perihelion | 179.25° |
| Physical characteristics | |
| Dimensions | 4.082±0.080 km[4][5] 4.71 km (calculated)[3] |
Geometric albedo | 0.20 (assumed)[3] 0.351±0.018[4][5] |
Spectral type | S [3][6] |
Absolute magnitude (H) | 13.7[4] · 14.0[1][3] · 14.03±0.25[6] |
6395 Hilliard, provisional designation 1990 UE1, is a stony Nysian asteroid from the inner regions of the asteroid belt, approximately 4.5 kilometers in diameter.
It was discovered on 21 October 1990, by Japanese astronomers Yoshio Kushida and Osamu Muramatsu at Yatsugatake South Base Observatory, Japan.[7] The asteroid was later named after the British philanthropic couple Elizabeth and Leslie Hilliard, donors of the Herschel Museum of Astronomy.[2]
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