(15729) Yumikoitahana Main-belt Asteroid
Discovered on 16 October 1990 by Takahashi, A., Watanabe, K. at Kitami.
Since their high-school days, Yumiko Itahana (b. 1965) worked together with the first discoverer and greatly influenced his astronomical career.Naming citation (20020921/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yumikoitahana is today
Seen from above the solar system on 2026-10-14: Yumikoitahana is 2.53 au from the Sun and 3.53 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15729 |
| Provisional designation | 1990 UB |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.24 km (#8,592 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0550 |
| Absolute magnitude (H) | 15.24 |
| Orbital period | 3.45 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.90 – 2.67 au |
| Eccentricity | 0.169 |
| Inclination | 3.20° |
| Closest distance between its orbit and Earth's (MOID) | 0.913 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 16 October 1990
- (5135) Nibutani
- (5190) Fry
- (6317) Dreyfus
- (6606) Makino
- (6719) Gallaj
- (7650) Kaname
- (7763) Crabeels
- (8164) Andreasdoppler
- (9334) Moesta
- (9587) Bonpland
- (10769) Minas Gerais
- (12708) Van Straten