1335 Demoulina
Shape model of Demoulina from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | K. Reinmuth |
| Discovery site | Heidelberg Obs. |
| Discovery date | 7 September 1934 |
| Designations | |
| (1335) Demoulina | |
Named after | Prof. Demoulin (Belgian astronomer) |
| 1934 RE · 1954 RA | |
| main-belt · (inner) Flora · background | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 82.66 yr (30,191 days) |
| Aphelion | 2.5854 AU |
| Perihelion | 1.8955 AU |
| 2.2404 AU | |
| Eccentricity | 0.1540 |
| 3.35 yr (1,225 days) | |
| 255.64° | |
| 0° 17m 38.04s / day | |
| Inclination | 2.5472° |
| 172.62° | |
| 198.89° | |
| Physical characteristics | |
| Dimensions | 6.35±1.43 km 7.47 km (calculated) 7.484±0.130 km 7.684±0.133 km |
| 2.59±0.05 h (poor) 74.86±0.10 h | |
| 0.2073±0.0275 0.218±0.043 0.24 (assumed) 0.26±0.14 | |
| S (assumed) | |
| 12.8 · 12.9 · 13.06 · 13.89±0.74 | |
1335 Demoulina, provisional designation 1934 RE, is a stony Florian asteroid from the inner regions of the asteroid belt, approximately 7 kilometers in diameter. Discovered by Karl Reinmuth at Heidelberg Observatory in 1934, the asteroid was named after Prof. Demoulin, a Belgian astronomer at Ghent University. It has a slower-than average spin rate of nearly 75 hours.