(12746) Yumeginga Main-belt Asteroid
Discovered on 16 November 1992 by Yanai, M., Watanabe, K. at Kitami.
The name Yumeginga is derived from the nickname of the Space and Science Museum in Takeo, Saga prefecture. “Yume” means “dream”, and “ginga” means “galaxy”. Yumeginga will be celebrating its tenth anniversary in July 2009.Naming citation (20090409/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yumeginga is today
Seen from above the solar system on 2026-10-14: Yumeginga is 2.37 au from the Sun and 2.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12746 |
| Provisional designation | 1992 WC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.45 km (#11,736 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.224 |
| Rotation period | 1,239 hours |
| Spectral type | S |
| Absolute magnitude (H) | 13.96 |
| Orbital period | 3.35 years |
| Semi-major axis | 2.24 au |
| Perihelion – aphelion | 1.81 – 2.66 au |
| Eccentricity | 0.190 |
| Inclination | 4.71° |
| Closest distance between its orbit and Earth's (MOID) | 0.811 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 November 1992
- (5978) Kaminokuni
- (6567) Shigemasa
- (8184) Luderic
- (8531) Mineosaito
- (8693) Matsuki
- (13567) Urabe
- (14449) Myogizinzya
- (20039) Danfalk
- (21120) Naritaatsushi
- (21121) Andoshoeki
- (22355) Yahabananshozan
- (46588) Murakamimasayuki