(2954) Delsemme Main-belt Asteroid
Discovered on 30 January 1982 by E. Bowell at Anderson Mesa.
Where Delsemme is today
Seen from above the solar system on 2026-10-14: Delsemme is 2.33 au from the Sun and 2.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2954 |
| Provisional designation | 1982 BT1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.32 km (#10,018 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.274 |
| Rotation period | 4.69 hours |
| Absolute magnitude (H) | 13.6 |
| Orbital period | 3.46 years |
| Semi-major axis | 2.29 au |
| Perihelion – aphelion | 1.84 – 2.73 au |
| Eccentricity | 0.196 |
| Inclination | 3.94° |
| Closest distance between its orbit and Earth's (MOID) | 0.836 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.