(7193) Yamaoka Main-belt Asteroid
Discovered on 19 September 1993 by Endate, K., Watanabe, K. at Kitami.
Named in honor of Hitoshi Yamaoka (b. 1965), astrophysicist at Kyushu University who specializes in the study of supernovae and novae. He promotes a supernova search project at public observatories in Japan.Naming citation (19981208/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yamaoka is today
Seen from above the solar system on 2026-10-14: Yamaoka is 2.97 au from the Sun and 2.31 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7193 |
| Provisional designation | 1993 SE2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.30 km (#6,305 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.370 |
| Rotation period | 32.6 hours |
| Absolute magnitude (H) | 12.63 |
| Orbital period | 5.56 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.96 – 3.31 au |
| Eccentricity | 0.0547 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.96 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Hitoshi
All asteroids named after someone called Hitoshi
Also discovered on 19 September 1993
- (7954) Kitao
- (8098) Miyamotoatsushi
- (10139) Ronsard
- (10140) Villon
- (11084) Gio
- (11949) Kagayayutaka
- (11950) Morellet
- (13114) Isabelgodin
- (14004) Chikama
- (16646) Sparrman
- (17546) Osadakentaro
- (35169) Araake