(1064) Aethusa Main-belt Asteroid
Discovered on 2 August 1926 by K. Reinmuth at Heidelberg.
Where Aethusa is today
Seen from above the solar system on 2026-10-14: Aethusa is 2.74 au from the Sun and 3.67 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1064 |
| Provisional designation | 1926 PA |
| Orbit class | Main-belt Asteroid |
| Diameter | 20.0 km (#2,200 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.278 |
| Rotation period | 8.62 hours |
| Absolute magnitude (H) | 10.78 |
| Orbital period | 4.06 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 2.09 – 2.99 au |
| Eccentricity | 0.177 |
| Inclination | 9.50° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.