(878) Mildred Main-belt Asteroid
Discovered on 6 September 1916 by S. B. Nicholson at Mount Wilson.
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Where Mildred is today
Seen from above the solar system on 2026-10-14: Mildred is 2.77 au from the Sun and 3.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 878 |
| Provisional designation | A916 RC |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.53 km (#16,207 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.399 |
| Rotation period | 2.66 hours |
| Absolute magnitude (H) | 14.87 |
| Orbital period | 3.63 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 1.83 – 2.90 au |
| Eccentricity | 0.226 |
| Inclination | 2.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.824 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by S. B. Nicholson
← (877) Walkure · (879) Ricarda →