(3043) San Diego Inner Main-belt Asteroid
Discovered on 20 September 1982 by E. F. Helin at Palomar.
Where San Diego is today
Seen from above the solar system on 2026-10-14: San Diego is 2.11 au from the Sun and 3.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3043 |
| Provisional designation | 1982 SA |
| Orbit class | Inner Main-belt Asteroid |
| Diameter | 5.04 km (#10,533 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.252 |
| Rotation period | 106 hours |
| Absolute magnitude (H) | 13.73 |
| Orbital period | 2.67 years |
| Semi-major axis | 1.93 au |
| Perihelion – aphelion | 1.72 – 2.13 au |
| Eccentricity | 0.107 |
| Inclination | 21.8° |
| Closest distance between its orbit and Earth's (MOID) | 0.734 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.