(9723) Binyang Main-belt Asteroid
Discovered on 1 March 1981 by S. J. Bus at Siding Spring.
Bin Yang (b. 1977) is a research fellow at the European Southern Observatory in Chile. Her research areas include spectroscopic studies for interpreting the compositions of asteroids and comets, including active asteroids in the main belt.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Binyang is today
Seen from above the solar system on 2026-10-14: Binyang is 1.94 au from the Sun and 1.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 9723 |
| Provisional designation | 1981 EP13 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.69 km (#13,488 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.117 |
| Rotation period | 12.4 hours |
| Absolute magnitude (H) | 14.35 |
| Orbital period | 3.15 years |
| Semi-major axis | 2.15 au |
| Perihelion – aphelion | 1.89 – 2.40 au |
| Eccentricity | 0.119 |
| Inclination | 4.99° |
| Closest distance between its orbit and Earth's (MOID) | 0.882 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 1 March 1981
- (2788) Andenne
- (3016) Meuse
- (3029) Sanders
- (3030) Vehrenberg
- (3042) Zelinsky
- (3058) Delmary
- (3075) Bornmann
- (3135) Lauer
- (3308) Ferreri
- (3472) Upgren
- (3498) Belton
- (3503) Brandt