(15723) Girraween Main-belt Asteroid
Discovered on 20 September 1990 by T. Seki at Geisei.
Girraween is an Australian Aboriginal word meaning “Place of flowers”. In southeastern Queensland, Girraween National Park is famous for massive granite outcrops, spectacular wild flowers and a wide variety of wildlife. The name was suggested by E. Kato.Naming citation (20070601/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Girraween is today
Seen from above the solar system on 2026-10-14: Girraween is 2.57 au from the Sun and 3.57 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15723 |
| Provisional designation | 1990 SA2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.06 km (#12,599 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.155 |
| Absolute magnitude (H) | 14.85 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.27 au |
| Perihelion – aphelion | 1.97 – 2.58 au |
| Eccentricity | 0.133 |
| Inclination | 1.43° |
| Closest distance between its orbit and Earth's (MOID) | 0.969 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 September 1990
More named asteroids discovered by T. Seki
- (2396) Kochi
- (2571) Geisei
- (2582) Harimaya-Bashi
- (2621) Goto
- (2835) Ryoma
- (2880) Nihondaira
- (2961) Katsurahama
- (3150) Tosa
- (3182) Shimanto
- (3262) Miune
- (3431) Nakano
- (3785) Kitami
← (15718) Imokawa · (15724) Zille →