(400) Ducrosa Main-belt Asteroid
Discovered on 15 March 1895 by A. Charlois at Nice.
Where Ducrosa is today
Seen from above the solar system on 2026-10-14: Ducrosa is 3.33 au from the Sun and 2.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 400 |
| Provisional designation | A895 EC |
| Orbit class | Main-belt Asteroid |
| Diameter | 36.0 km (#1,106 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.112 |
| Rotation period | 6.87 hours |
| Absolute magnitude (H) | 10.74 |
| Orbital period | 5.53 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.76 – 3.49 au |
| Eccentricity | 0.116 |
| Inclination | 10.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.78 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.