(20030) Bawtenheimer Main-belt Asteroid
Discovered on 1 March 1992 by UESAC at La Silla.
Daniel C. Bawtenheimer (1900–1981) was a Canadian amateur astronomer who helped found the RASC Windsor Centre in 1944, serving as the first Secretary and then President in 1948–1949 and 1955. He built a 0.25-m telescope, hosted club events annually at his backyard observatory, inspired a generation of young enthusiasts and won the RASC Service Award in 1965.Naming citation (WGSBN Bull. 3, #15, 8), IAU / Minor Planet Center, via NASA/JPL
Where Bawtenheimer is today
Seen from above the solar system on 2026-10-14: Bawtenheimer is 2.46 au from the Sun and 1.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20030 |
| Provisional designation | 1992 EN30 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.42 km (#16,412 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.300 |
| Rotation period | 7.23 hours |
| Absolute magnitude (H) | 14.96 |
| Orbital period | 3.58 years |
| Semi-major axis | 2.34 au |
| Perihelion – aphelion | 2.00 – 2.68 au |
| Eccentricity | 0.147 |
| Inclination | 6.53° |
| Closest distance between its orbit and Earth's (MOID) | 0.986 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Daniel
- (6141) Durda
- (7162) Sidwell
- (7163) Barenboim
- (8109) Danielwilliam
- (8887) Scheeres
- (10081) Dantaylor
- (10482) Dangrieser
- (11203) Danielbetten
- (11230) Deschaffer
- (11596) Francetic
- (12503) Danielpeterson
- (13267) Bolechowski
All asteroids named after someone called Daniel
Also discovered on 1 March 1992
- (6273) Kiruna
- (7248) Alvsjo
- (7292) Prosperin
- (7704) Dellen
- (8678) Bal
- (8868) Hjorter
- (8871) Svanberg
- (9056) Piskunov
- (10106) Lergrav
- (10795) Babben
- (11069) Bellqvist
- (11532) Gullin