(168638) Waltersiegmund Main-belt Asteroid
Discovered on 12 February 2000 by Sloan Digital Sky Survey at Apache Point.
Walter Siegmund (b. 1950) is an American engineer, the Project Engineer for the Sloan Digital Sky Survey, and a designer of the telescope and its optical fiber positioning system.Naming citation (20130127/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Waltersiegmund is today
Seen from above the solar system on 2026-10-14: Waltersiegmund is 3.03 au from the Sun and 2.84 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 168638 |
| Provisional designation | 2000 CH149 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.44 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.53 – 3.04 au |
| Eccentricity | 0.0913 |
| Inclination | 2.40° |
| Closest distance between its orbit and Earth's (MOID) | 1.51 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Walter
- (4588) Wislicenus
- (6318) Cronkite
- (7921) Huebner
- (8722) Schirra
- (9132) Walteranderson
- (9187) Walterkroll
- (9577) Gropius
- (9661) Hohmann
- (9696) Jaffe
- (11789) Kempowski
- (12158) Tape
- (15265) Ernsting
All asteroids named after someone called Walter