(69263) Big Ben Main-belt Asteroid
Discovered on 29 January 1987 by E. W. Elst at La Silla.
Big Ben, at Westminster, is the nickname of both the great bell and clock tower of the world's largest four-faced chiming clock. In May 2009 it celebrated its 150th anniversary.Naming citation (WGSBN Bull. 2, #9, 7), IAU / Minor Planet Center, via NASA/JPL
Where Big Ben is today
Seen from above the solar system on 2026-10-14: Big Ben is 2.67 au from the Sun and 3.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 69263 |
| Provisional designation | 1987 BB2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.32 km (#16,577 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.250 |
| Absolute magnitude (H) | 15.64 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.88 – 2.72 au |
| Eccentricity | 0.183 |
| Inclination | 1.99° |
| Closest distance between its orbit and Earth's (MOID) | 0.897 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.