(11959) Okunokeno Main-belt Asteroid
Discovered on 13 April 1994 by Endate, K., Watanabe, K. at Kitami.
Keno Okuno (b. 1932), an amateur astronomer and a member of the Kawasaki Astronomical Association, has greatly contributed to the popularization of astronomy.Naming citation (20030910/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Okunokeno is today
Seen from above the solar system on 2026-10-14: Okunokeno is 3.05 au from the Sun and 2.18 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 11959 |
| Provisional designation | 1994 GG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.66 km (#8,041 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.144 |
| Absolute magnitude (H) | 13.97 |
| Orbital period | 4.30 years |
| Semi-major axis | 2.64 au |
| Perihelion – aphelion | 2.23 – 3.06 au |
| Eccentricity | 0.157 |
| Inclination | 13.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.