(3571) Milanstefanik Outer Main-belt Asteroid
Discovered on 15 March 1982 by A. Mrkos at Klet.
Where Milanstefanik is today
Seen from above the solar system on 2026-10-14: Milanstefanik is 4.37 au from the Sun and 4.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3571 |
| Provisional designation | 1982 EJ |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 34.9 km (#1,155 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Rotation period | 421 hours |
| Absolute magnitude (H) | 11.19 |
| Orbital period | 7.80 years |
| Semi-major axis | 3.93 au |
| Perihelion – aphelion | 3.50 – 4.37 au |
| Eccentricity | 0.110 |
| Inclination | 7.86° |
| Closest distance between its orbit and Earth's (MOID) | 2.49 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.