(149) Medusa Main-belt Asteroid
Discovered on 21 September 1875 by J. Perrotin at Toulouse.
👶 Medusa as a baby name🐶 Medusa as a dog name
Where Medusa is today
Seen from above the solar system on 2026-10-14: Medusa is 2.04 au from the Sun and 1.10 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 149 |
| Provisional designation | A875 SA |
| Orbit class | Main-belt Asteroid |
| Diameter | 23.7 km (#1,800 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.152 |
| Rotation period | 26.0 hours |
| Spectral type | S |
| Absolute magnitude (H) | 10.54 |
| Orbital period | 3.21 years |
| Semi-major axis | 2.17 au |
| Perihelion – aphelion | 2.03 – 2.32 au |
| Eccentricity | 0.0648 |
| Inclination | 0.940° |
| Closest distance between its orbit and Earth's (MOID) | 1.04 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by J. Perrotin
← (148) Gallia · (150) Nuwa →