(1555) Dejan Main-belt Asteroid
Discovered on 15 September 1941 by F. Rigaux at Uccle.
Where Dejan is today
Seen from above the solar system on 2026-10-14: Dejan is 2.94 au from the Sun and 3.41 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1555 |
| Provisional designation | 1941 SA |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.2 km (#1,838 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0530 |
| Rotation period | 17.0 hours |
| Absolute magnitude (H) | 11.78 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 1.95 – 3.43 au |
| Eccentricity | 0.275 |
| Inclination | 6.02° |
| Closest distance between its orbit and Earth's (MOID) | 0.954 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.