1274 Delportia
1274 Delportia, provisional designation 1932 WC, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 10 kilometers in diameter. It was discovered on 28 November 1932, by Belgian astronomer Eugène Delporte at Uccle Observatory in Belgium. It was named after the discoverer himself.
Orbital diagram | |
| Discovery | |
|---|---|
| Discovered by | E. Delporte |
| Discovery site | Uccle Obs. |
| Discovery date | 28 November 1932 |
| Designations | |
MPC designation | (1274) Delportia |
Named after | Eugène Delporte (Belgian astronomer) |
Alternative designations | 1932 WC · 1926 AA 1928 RX · 1934 JD A918 RA |
Minor planet category | main-belt · Flora |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 98.84 yr (36,101 days) |
| Aphelion | 2.4813 AU |
| Perihelion | 1.9772 AU |
Semi-major axis | 2.2292 AU |
| Eccentricity | 0.1131 |
Orbital period (sidereal) | 3.33 yr (1,216 days) |
Mean anomaly | 33.180° |
Mean motion | 0° 17m 45.96s / day |
| Inclination | 4.3970° |
Longitude of ascending node | 327.09° |
| 244.65° | |
| Physical characteristics | |
| Dimensions | 9.611±0.121 km 10.384±0.048 km 12.85 km (calculated) 12.95±0.22 km |
Synodic rotation period | 5.5±0.07 h 5.615±0.001 h 5.6204±0.0040 h |
| 0.20 (assumed) 0.200±0.008 0.3104±0.0340 0.461±0.057 | |
| Tholen = S · S B–V = 0.895 U–B = 0.525 | |
| 11.57±0.48 · 11.82 · 11.940±0.001 (R) | |
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