(12734) Haruna Main-belt Asteroid
Discovered on 29 October 1991 by Takahashi, A., Watanabe, K. at Kitami.
Haruna Takahashi (b. 1994) is the eldest daughter of the first discoverer.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Haruna is today
Seen from above the solar system on 2026-10-14: Haruna is 2.37 au from the Sun and 3.34 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 12734 |
| Provisional designation | 1991 UF3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.95 km (#12,863 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.421 |
| Absolute magnitude (H) | 13.93 |
| Orbital period | 3.76 years |
| Semi-major axis | 2.42 au |
| Perihelion – aphelion | 1.96 – 2.87 au |
| Eccentricity | 0.189 |
| Inclination | 13.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.01 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 29 October 1991
- (6097) Koishikawa
- (6607) Matsushima
- (9599) Onotomoko
- (13540) Kazukitakahashi
- (14426) Katotsuyoshi
- (20018) Paulgray
- (23495) Nagaotoshiko