(7305) Ossakajusto Main-belt Asteroid
Discovered on 8 February 1994 by Endate, K., Watanabe, K. at Kitami.
Named in memory of Justo Ossaka (1922-1998), emeritus director of the Sendai Astronomical Observatory. Graduating from the Geophysical Institute, Tohoku University, in 1950, he worked at the Sendai Observatory from 1956 to 1994. He contributed greatly to attracting amateur astronomers and planetarium visitors. Name proposed by A. Watanabe and M. Koishikawa of the Sendai Astronomical Observatory.Naming citation (19990202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Ossakajusto is today
Seen from above the solar system on 2026-10-14: Ossakajusto is 2.51 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7305 |
| Provisional designation | 1994 CX1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.8 km (#1,795 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0490 |
| Rotation period | 15.4 hours |
| Absolute magnitude (H) | 12.29 |
| Orbital period | 4.53 years |
| Semi-major axis | 2.74 au |
| Perihelion – aphelion | 2.12 – 3.36 au |
| Eccentricity | 0.228 |
| Inclination | 14.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.11 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 8 February 1994
- (7435) Sagamihara
- (7436) Kuroiwa
- (10146) Mukaitadashi
- (11577) Einasto
- (11955) Russrobb
- (11956) Tamarakate
- (12366) Luisapla
- (12367) Ourinhos
- (12369) Pirandello
- (14479) Plekhanov
- (16675) Torii
- (20078) Nathanrosen
More named asteroids discovered by Endate, K., Watanabe, K.
- (4042) Okhotsk
- (4126) Mashu
- (4460) Bihoro
- (4491) Otaru
- (4497) Taguchi
- (4508) Takatsuki
- (4547) Massachusetts
- (4585) Ainonai
- (4607) Seilandfarm
- (4641) Ayako
- (4712) Iwaizumi
- (4773) Hayakawa
← (7304) Namiki · (7306) Panizon →