(18395) Schmiedmayer Main-belt Asteroid
Discovered on 21 September 1992 by Schmadel, L. D., Borngen, F. at Tautenburg.
Jörg Schmiedmayer (b. 1960) is an Austrian physicist and a leading expert in the field of quantum optics. A professor at the Heidelberg University, he is also an enthusiastic amateur astronomer who uses a 0.46-m Dobsonian telescope for deep-sky observations. The name was suggested by the first discoverer.Naming citation (20041126/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Schmiedmayer is today
Seen from above the solar system on 2026-10-14: Schmiedmayer is 2.28 au from the Sun and 1.39 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18395 |
| Provisional designation | 1992 SH2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.53 km (#11,564 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.197 |
| Rotation period | 4.48 hours |
| Absolute magnitude (H) | 14.11 |
| Orbital period | 3.75 years |
| Semi-major axis | 2.41 au |
| Perihelion – aphelion | 2.14 – 2.68 au |
| Eccentricity | 0.113 |
| Inclination | 4.78° |
| Closest distance between its orbit and Earth's (MOID) | 1.13 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 21 September 1992
- (5835) Mainfranken
- (5975) Otakemayumi
- (8381) Hauptmann
- (10116) Robertfranz
- (12326) Shirasaki
- (12327) Terbruggen
- (13093) Wolfgangpauli
- (14441) Atakanoseki
- (14901) Hidatakayama
- (15301) Marutesser
- (15762) Ruhmann
- (16587) Nagamori