(531) Zerlina Main-belt Asteroid
Discovered on 12 April 1904 by M. F. Wolf at Heidelberg.
Where Zerlina is today
Seen from above the solar system on 2026-10-14: Zerlina is 2.89 au from the Sun and 1.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 531 |
| Provisional designation | A904 GC |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.8 km (#2,526 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.101 |
| Rotation period | 16.7 hours |
| Spectral type | B |
| Absolute magnitude (H) | 12.05 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.23 – 3.34 au |
| Eccentricity | 0.199 |
| Inclination | 34.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.33 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.