(1482) Sebastiana Main-belt Asteroid
Discovered on 20 February 1938 by K. Reinmuth at Heidelberg.
Where Sebastiana is today
Seen from above the solar system on 2026-10-14: Sebastiana is 2.80 au from the Sun and 3.66 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1482 |
| Provisional designation | 1938 DA1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.2 km (#2,634 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.217 |
| Rotation period | 10.5 hours |
| Absolute magnitude (H) | 11.04 |
| Orbital period | 4.87 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.76 – 2.98 au |
| Eccentricity | 0.0395 |
| Inclination | 2.97° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.