(9398) Bidelman Outer Main-belt Asteroid
Discovered on 28 September 1994 by Spacewatch at Kitt Peak.
William P. Bidelman (b. 1918) was director of the Warner and Swasey Observatory during 1970–1975 and professor of astronomy at Case Western Reserve University (formerly Case Institute of Technology) during 1970–1986. He is a leader in stellar classification and the identification of chemically peculiar stars.Naming citation (WGSBN Bull. 3, #13, 7), IAU / Minor Planet Center, via NASA/JPL
Where Bidelman is today
Seen from above the solar system on 2026-10-14: Bidelman is 3.54 au from the Sun and 3.42 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9398 |
| Provisional designation | 1994 SH3 |
| Orbit class | Outer Main-belt Asteroid |
| Absolute magnitude (H) | 14.05 |
| Orbital period | 6.11 years |
| Semi-major axis | 3.34 au |
| Perihelion – aphelion | 2.87 – 3.82 au |
| Eccentricity | 0.142 |
| Inclination | 1.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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Also discovered on 28 September 1994
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← (9397) Lombardi · (9399) Pesch →