(2309) Mr. Spock Main-belt Asteroid
Discovered on 16 August 1971 by J. Gibson at El Leoncito.
Where Mr. Spock is today
Seen from above the solar system on 2026-10-14: Mr. Spock is 3.06 au from the Sun and 3.97 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2309 |
| Provisional designation | 1971 QX1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 19.7 km (#2,236 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.144 |
| Rotation period | 6.72 hours |
| Absolute magnitude (H) | 11.43 |
| Orbital period | 5.23 years |
| Semi-major axis | 3.01 au |
| Perihelion – aphelion | 2.73 – 3.30 au |
| Eccentricity | 0.0952 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.77 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.