(4804) Pasteur Main-belt Asteroid
Discovered on 2 December 1989 by E. W. Elst at La Silla.
Where Pasteur is today
Seen from above the solar system on 2026-10-14: Pasteur is 2.98 au from the Sun and 3.88 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4804 |
| Provisional designation | 1989 XC1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 15.4 km (#3,033 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.129 |
| Rotation period | 13.7 hours |
| Spectral type | C |
| Absolute magnitude (H) | 12.24 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.69 au |
| Perihelion – aphelion | 2.38 – 3.01 au |
| Eccentricity | 0.118 |
| Inclination | 8.64° |
| Closest distance between its orbit and Earth's (MOID) | 1.39 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.