(4173) Thicksten Main-belt Asteroid
Discovered on 27 May 1982 by C. S. Shoemaker at Palomar.
Where Thicksten is today
Seen from above the solar system on 2026-10-14: Thicksten is 2.64 au from the Sun and 2.47 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4173 |
| Provisional designation | 1982 KG1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.5 km (#4,299 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0750 |
| Rotation period | 4.97 hours |
| Absolute magnitude (H) | 13.76 |
| Orbital period | 3.62 years |
| Semi-major axis | 2.36 au |
| Perihelion – aphelion | 2.07 – 2.64 au |
| Eccentricity | 0.121 |
| Inclination | 4.15° |
| Closest distance between its orbit and Earth's (MOID) | 1.09 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.