(159) Aemilia Main-belt Asteroid
Discovered on 26 January 1876 by P. P. Henry at Paris.
Where Aemilia is today
Seen from above the solar system on 2026-10-14: Aemilia is 3.41 au from the Sun and 3.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 159 |
| Provisional designation | A876 BA |
| Orbit class | Main-belt Asteroid |
| Diameter | 125 km (#143 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0640 |
| Rotation period | 24.5 hours |
| Spectral type | C |
| Absolute magnitude (H) | 8.27 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.80 – 3.42 au |
| Eccentricity | 0.0992 |
| Inclination | 6.11° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by P. P. Henry
← (158) Koronis · (160) Una →