(24) Themis Main-belt Asteroid
Discovered on 5 April 1853 by A. de Gasparis at Naples.
Where Themis is today
Seen from above the solar system on 2026-10-14: Themis is 3.33 au from the Sun and 3.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 24 |
| Provisional designation | A853 GA |
| Orbit class | Main-belt Asteroid |
| Diameter | 198 km (#33 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0670 |
| Rotation period | 8.37 hours |
| Spectral type | C |
| Absolute magnitude (H) | 7.21 |
| Orbital period | 5.57 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.78 – 3.51 au |
| Eccentricity | 0.115 |
| Inclination | 0.737° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. de Gasparis
← (23) Thalia · (25) Phocaea →