(4185) Phystech Main-belt Asteroid
Discovered on 4 March 1975 by T. M. Smirnova at Nauchnyj.
Where Phystech is today
Seen from above the solar system on 2026-10-14: Phystech is 2.43 au from the Sun and 1.48 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4185 |
| Provisional designation | 1975 ED |
| Orbit class | Main-belt Asteroid |
| Rotation period | 4.67 hours |
| Absolute magnitude (H) | 13.43 |
| Orbital period | 3.30 years |
| Semi-major axis | 2.22 au |
| Perihelion – aphelion | 2.00 – 2.43 au |
| Eccentricity | 0.0981 |
| Inclination | 2.23° |
| Closest distance between its orbit and Earth's (MOID) | 0.991 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.