1269 Rollandia
| Discovery | |
|---|---|
| Discovered by | G. Neujmin |
| Discovery site | Simeis |
| Discovery date | 20 September 1930 |
| Designations | |
| MPC designation | 1269 |
Named after | Romain Rolland |
| 1930 SH | |
| Orbital characteristics[1] | |
| Epoch 31 July 2016 (JD 2457600.5) | |
| Uncertainty parameter 0 | |
| Observation arc | 109.32 yr (39928 days) |
| Aphelion | 4.2983684 AU (643.02676 Gm) |
| Perihelion | 3.5143253 AU (525.73558 Gm) |
| 3.906347 AU (584.3812 Gm) | |
| Eccentricity | 0.100355 |
| 7.72 yr (2820.0 d) | |
| 225.61025° | |
| 0° 7m 39.569s / day | |
| Inclination | 2.757999° |
| 134.72237° | |
| 19.03260° | |
| Earth MOID | 2.52373 AU (377.545 Gm) |
| Jupiter MOID | 0.697014 AU (104.2718 Gm) |
| Jupiter Tisserand parameter | 3.054 |
| Physical characteristics | |
| Dimensions | 105 km[1] |
Mean radius | 52.595±1.4 km |
| 15.4 h (0.64 d) | |
Sidereal rotation period | 15.4 hr[1] |
| 0.0473±0.003[1] | |
| 8.82[1] | |
|
| |
1269 Rollandia (1930 SH) is an asteroid in the outer asteroid belt discovered on September 20, 1930, by G. Neujmin at Simeis. It is one of the last asteroids that are above roughly 100 km in diameter discovered orbiting in the outer asteroid belt. IRAS data suggests the asteroid is 105.2 ± 2.8 km in diameter.[1] 1390 Abastumani was discovered in 1935 and 1902 Shaposhnikov was discovered in 1972.
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