(7573) Basfifty Main-belt Asteroid
Discovered on 4 November 1989 by B. G. W. Manning at Stakenbridge.
England's Birmingham Astronomical Society is currently celebrating its fiftieth anniversary. The Society was established in 1950, largely as a result of the University of Birmingham's extramural classes on astronomy.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Basfifty is today
Seen from above the solar system on 2026-10-14: Basfifty is 3.03 au from the Sun and 3.11 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7573 |
| Provisional designation | 1989 VX |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.0 km (#5,090 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.134 |
| Absolute magnitude (H) | 13.47 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.60 – 3.62 au |
| Eccentricity | 0.164 |
| Inclination | 2.56° |
| Closest distance between its orbit and Earth's (MOID) | 1.60 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.