(4142) Dersu-Uzala Mars-crossing Asteroid
Discovered on 28 May 1981 by Z. Vavrova at Klet.
Where Dersu-Uzala is today
Seen from above the solar system on 2026-10-14: Dersu-Uzala is 2.18 au from the Sun and 2.60 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4142 |
| Provisional designation | 1981 KE |
| Orbit class | Mars-crossing Asteroid |
| Diameter | 6.02 km (#8,901 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.348 |
| Rotation period | 276 hours |
| Spectral type | A |
| Absolute magnitude (H) | 13.16 |
| Orbital period | 2.64 years |
| Semi-major axis | 1.91 au |
| Perihelion – aphelion | 1.62 – 2.20 au |
| Eccentricity | 0.151 |
| Inclination | 26.5° |
| Closest distance between its orbit and Earth's (MOID) | 0.705 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.