(3301) Jansje Main-belt Asteroid
Discovered on 6 February 1978 by Perth Observatory at Bickley.
Where Jansje is today
Seen from above the solar system on 2026-10-14: Jansje is 2.42 au from the Sun and 1.43 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3301 |
| Provisional designation | 1978 CT |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.40 km (#9,888 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.418 |
| Rotation period | 9.43 hours |
| Absolute magnitude (H) | 13.09 |
| Orbital period | 3.34 years |
| Semi-major axis | 2.23 au |
| Perihelion – aphelion | 1.89 – 2.58 au |
| Eccentricity | 0.153 |
| Inclination | 5.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.882 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.