(1020) Arcadia Main-belt Asteroid
Discovered on 7 March 1924 by K. Reinmuth at Heidelberg.
Where Arcadia is today
Seen from above the solar system on 2026-10-14: Arcadia is 2.71 au from the Sun and 3.63 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1020 |
| Provisional designation | A924 EU |
| Orbit class | Main-belt Asteroid |
| Diameter | 10.1 km (#5,061 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.150 |
| Rotation period | 17.0 hours |
| Spectral type | S |
| Absolute magnitude (H) | 12.22 |
| Orbital period | 4.66 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.68 – 2.90 au |
| Eccentricity | 0.0403 |
| Inclination | 4.06° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.