Global Information4282 Endate information
| Discovery [1] | |
|---|---|
| Discovered by | S. Ueda H. Kaneda |
| Discovery site | Kushiro Obs. (399) |
| Discovery date | 28 October 1987 |
| Designations | |
MPC designation | (4282) Endate |
Named after | Kin Endate (amateur astronomer)[2] |
Alternative designations | 1987 UQ1 · 1959 EJ 1983 RT |
Minor planet category | main-belt · (inner) [3] |
| Orbital characteristics [1] | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 61.89 yr (22,605 days) |
| Aphelion | 2.7389 AU |
| Perihelion | 2.0449 AU |
Semi-major axis | 2.3919 AU |
| Eccentricity | 0.1451 |
Orbital period (sidereal) | 3.70 yr (1,351 days) |
Mean anomaly | 6.4722° |
Mean motion | 0° 15m 59.04s / day |
| Inclination | 2.7202° |
Longitude of ascending node | 325.81° |
Argument of perihelion | 101.31° |
| Physical characteristics | |
| Dimensions | 5.66 km (calculated)[3] 7.386±1.581 km[4] 11.52±3.27 km[5] 12.12±0.49 km[6] 13.73±7.43 km[7] |
Synodic rotation period | 34 h[3] |
Geometric albedo | 0.038±0.050[7] 0.04±0.02[5] 0.058±0.005[6] 0.13±0.08[4] 0.20 (assumed)[3] |
Spectral type | S [3] |
Absolute magnitude (H) | 13.30[6] · 13.48[7] · 13.50[4] · 13.6[1][3] · 13.93[5] |
4282 Endate, provisional designation 1987 UQ1, is an asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 28 October 1987, by Japanese astronomers Seiji Ueda and Hiroshi Kaneda at Kushiro Observatory (399) in Japan.[8] It was named for amateur astronomer Kin Endate.[2]
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