(2889) Brno Main-belt Asteroid
Discovered on 17 November 1981 by A. Mrkos at Klet.
Where Brno is today
Seen from above the solar system on 2026-10-14: Brno is 3.19 au from the Sun and 4.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2889 |
| Provisional designation | 1981 WT1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.2 km (#2,635 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.150 |
| Rotation period | 9.51 hours |
| Absolute magnitude (H) | 11.61 |
| Orbital period | 5.24 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.65 – 3.38 au |
| Eccentricity | 0.121 |
| Inclination | 9.50° |
| Closest distance between its orbit and Earth's (MOID) | 1.66 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.