(7429) Hoshikawa Main-belt Asteroid
Discovered on 24 December 1992 by Hioki, T., Hayakawa, S. at Okutama.
Hoshikawa, or “Star River”, flows between Kumagaya and Gyoda, in Saitama prefecture. There are many carp in the river, and on its banks events such as the Uchiwa Fan Festival and Daruma Ichi Market are held.Naming citation (19990928/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hoshikawa is today
Seen from above the solar system on 2026-10-14: Hoshikawa is 2.89 au from the Sun and 2.94 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7429 |
| Provisional designation | 1992 YB1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.78 km (#6,792 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.320 |
| Rotation period | 20.0 hours |
| Absolute magnitude (H) | 12.71 |
| Orbital period | 4.84 years |
| Semi-major axis | 2.86 au |
| Perihelion – aphelion | 2.78 – 2.94 au |
| Eccentricity | 0.0278 |
| Inclination | 1.60° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Star
All asteroids named after someone called Star