(785) Zwetana Main-belt Asteroid
Discovered on 30 March 1914 by A. Massinger at Heidelberg.
Where Zwetana is today
Seen from above the solar system on 2026-10-14: Zwetana is 2.58 au from the Sun and 2.51 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 785 |
| Provisional designation | A914 FD |
| Orbit class | Main-belt Asteroid |
| Diameter | 49.5 km (#762 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.120 |
| Rotation period | 8.89 hours |
| Spectral type | M |
| Absolute magnitude (H) | 9.45 |
| Orbital period | 4.12 years |
| Semi-major axis | 2.57 au |
| Perihelion – aphelion | 2.04 – 3.10 au |
| Eccentricity | 0.207 |
| Inclination | 12.8° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.