(1695) Walbeck Main-belt Asteroid
Discovered on 15 October 1941 by L. Oterma at Turku.
Named in memory of H. J. Walbeck (1793-1822), astronomer at the old Academia Aboensis who used the method of least squares to derive a good value for the earth's flattening.Naming citation (MPC 5281), IAU / Minor Planet Center, via NASA/JPL
Where Walbeck is today
Seen from above the solar system on 2026-10-14: Walbeck is 3.39 au from the Sun and 4.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1695 |
| Provisional designation | 1941 UO |
| Orbit class | Main-belt Asteroid |
| Diameter | 19.0 km (#2,361 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0420 |
| Rotation period | 5.16 hours |
| Spectral type | Cg |
| Absolute magnitude (H) | 12.57 |
| Orbital period | 4.65 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 1.98 – 3.59 au |
| Eccentricity | 0.290 |
| Inclination | 16.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 15 October 1941
- (1544) Vinterhansenia
- (1545) Thernoe
- (1882) Rauma
- (2805) Kalle
- (2840) Kallavesi
- (2946) Muchachos
- (3381) Mikkola
- (3597) Kakkuri
More named asteroids discovered by L. Oterma
- (1504) Lappeenranta
- (1507) Vaasa
- (1522) Kokkola
- (1540) Kevola
- (1544) Vinterhansenia
- (1545) Thernoe
- (1558) Jarnefelt
- (1559) Kustaanheimo
- (1679) Nevanlinna
- (1680) Per Brahe
- (1705) Tapio
- (1758) Naantali
← (1694) Kaiser · (1696) Nurmela →