(7769) Okuni Main-belt Asteroid
Discovered on 4 November 1991 by S. Otomo at Kiyosato.
Tomimaru Okuni (b. 1931), a retired teacher, is a Japanese amateur astronomer. He has been discovering new minor planets since 1995 at Nanyo in Yamagata prefecture.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Okuni is today
Seen from above the solar system on 2026-10-14: Okuni is 2.60 au from the Sun and 2.89 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7769 |
| Provisional designation | 1991 VF4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.87 km (#9,124 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.295 |
| Absolute magnitude (H) | 13.42 |
| Orbital period | 3.80 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.08 – 2.79 au |
| Eccentricity | 0.146 |
| Inclination | 7.14° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 4 November 1991
- (5562) Sumi
- (6729) Emiko
- (6969) Santaro
- (8864) Aikawa
- (9190) Masako
- (9960) Sekine
- (10099) Glazebrook
- (10343) Church
- (13077) Edschneider
- (15295) Tante Riek
- (20020) Mipach
More named asteroids discovered by S. Otomo
- (5488) Kiyosato
- (5561) Iguchi
- (5605) Kushida
- (5606) Muramatsu
- (5922) Shouichi
- (5973) Takimoto
- (6043) Aurochs
- (6336) Dodo
- (6410) Fujiwara
- (6729) Emiko
- (6790) Pingouin
- (6866) Kukai
← (7767) Tomatic · (7770) Siljan →