1648 Shajna
Shape model of Shajna from its lightcurve | |
| Discovery | |
|---|---|
| Discovered by | P. Shajn |
| Discovery site | Simeiz Obs. |
| Discovery date | 5 September 1935 |
| Designations | |
| (1648) Shajna | |
Named after | Couple of astronomers (Pelageya and Grigory) |
| 1935 RF · 1934 CK1 1938 MC · 1941 FD 1948 LC · 1951 EX2 1952 SX · 1952 UW 1955 QT · 1955 RP A921 GB · A924 EQ | |
| main-belt · (inner) | |
| Orbital characteristics | |
| Epoch 4 September 2017 (JD 2458000.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 95.99 yr (35,061 days) |
| Aphelion | 2.6971 AU |
| Perihelion | 1.7737 AU |
| 2.2354 AU | |
| Eccentricity | 0.2065 |
| 3.34 yr (1,221 days) | |
| 250.93° | |
| 0° 17m 41.64s / day | |
| Inclination | 4.5723° |
| 130.42° | |
| 134.71° | |
| Physical characteristics | |
| Dimensions | 8.26±1.47 km 8.30±0.30 km 9.23 km (calculated) 9.450±0.141 km |
| 6.41368±0.00001 h 6.41369±0.00005 h 6.4140±0.0002 h 6.4140±0.0164 h (R) 6.4248±0.0164 h (S) | |
| 0.191±0.016 0.20 (assumed) 0.247±0.049 0.35±0.13 | |
| Tholen = S · S B–V = 0.792 U–B = 0.497 | |
| 11.838±0.003 (R) · 12.21 · 12.54 | |
1648 Shajna, provisional designation 1935 RF, is a stony asteroid from the inner regions of the asteroid belt, approximately 9 kilometers in diameter. It was discovered on 5 September 1935, by Russian astronomer Pelageya Shajn at Simeiz Observatory on the Crimean peninsula. Two weeks later, it was independently discovered by Cyril Jackson at Johannesburg Observatory, South Africa. It was later named after the discoverer and her husband, Russian astronomers Grigory Shajn.