(7757) Kameya Main-belt Asteroid
Discovered on 22 May 1990 by E. F. Helin at Palomar.
Radio astronomer Osamu Kameya (b. 1956) is a researcher at the National Astronomical Observatory of Japan. He studies the formation mechanism of massive star-forming regions through radio observations. He has also contributed to the construction of VERA (VLBI Experiment for Radio Astrometry).Naming citation (20120703/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Kameya is today
Seen from above the solar system on 2026-10-14: Kameya is 2.76 au from the Sun and 2.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7757 |
| Provisional designation | 1990 KO |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.01 km (#8,911 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.234 |
| Rotation period | 5.98 hours |
| Absolute magnitude (H) | 13.67 |
| Orbital period | 3.47 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.73 – 2.86 au |
| Eccentricity | 0.247 |
| Inclination | 23.1° |
| Closest distance between its orbit and Earth's (MOID) | 0.830 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Osamu
- (5606) Muramatsu
- (6300) Hosamu
- (8046) Ajiki
- (9845) Okamuraosamu
- (12479) Ohshimaosamu
- (13624) Abeosamu
- (13678) Shimada
All asteroids named after someone called Osamu