(30778) Doblin Main-belt Asteroid
Discovered on 29 September 1987 by F. Borngen at Tautenburg.
German narrative writer Alfred Döblin (1878-1957) originated from a Jewish merchant family. A doctor by profession, he lived in exile in France and the U.S. during 1933-1945. From his extensive literary work best known are his novels Berlin Alexanderplatz (1929) and Babylonische Wanderung (1934).Naming citation (20020427/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Doblin is today
Seen from above the solar system on 2026-10-14: Doblin is 2.92 au from the Sun and 3.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 30778 |
| Provisional designation | 1987 SX10 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.25 km (#7,364 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0840 |
| Absolute magnitude (H) | 14.38 |
| Orbital period | 4.47 years |
| Semi-major axis | 2.72 au |
| Perihelion – aphelion | 2.45 – 2.98 au |
| Eccentricity | 0.0975 |
| Inclination | 8.20° |
| Closest distance between its orbit and Earth's (MOID) | 1.46 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Alfred
- (7750) McEwen
- (8282) Delp
- (9683) Rambaldo
- (11422) Alilienthal
- (11519) Adler
- (11765) Alfredfowler
- (11769) Alfredjoy
- (12057) Alfredsturm
- (13058) Alfredstevens
- (13672) Tarski
- (14331) Alyankovic
- (24907) Alfredhaar
All asteroids named after someone called Alfred
Also discovered on 29 September 1987
- (3992) Wagner
- (4059) Balder
- (5111) Jacliff
- (5616) Vogtland
- (6124) Mecklenburg
- (6475) Refugium
- (7333) Bec-Borsenberger
- (8268) Goerdeler
- (16418) Lortzing
- (96178) Rochambeau