(5606) Muramatsu Main-belt Asteroid
Discovered on 1 March 1993 by S. Otomo at Kiyosato.
Named in honor of Osamu Muramatsu (b. 1949), who works at the planetarium in Sibuya and who has discovered numerous minor planets and comets since 1986.Naming citation (19990728/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Muramatsu is today
Seen from above the solar system on 2026-10-14: Muramatsu is 1.98 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5606 |
| Provisional designation | 1993 EH |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.81 km (#10,988 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.365 |
| Rotation period | 4.91 hours |
| Absolute magnitude (H) | 13.69 |
| Orbital period | 3.32 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.94 – 2.51 au |
| Eccentricity | 0.128 |
| Inclination | 7.08° |
| Closest distance between its orbit and Earth's (MOID) | 0.942 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Osamu
- (6300) Hosamu
- (7757) Kameya
- (8046) Ajiki
- (9845) Okamuraosamu
- (12479) Ohshimaosamu
- (13624) Abeosamu
- (13678) Shimada
All asteroids named after someone called Osamu
Also discovered on 1 March 1993
More named asteroids discovered by S. Otomo
- (5488) Kiyosato
- (5561) Iguchi
- (5605) Kushida
- (5922) Shouichi
- (5973) Takimoto
- (6043) Aurochs
- (6336) Dodo
- (6410) Fujiwara
- (6729) Emiko
- (6790) Pingouin
- (6866) Kukai
- (6880) Hayamiyu
← (5605) Kushida · (5608) Olmos →