(1014) Semphyra Main-belt Asteroid
Discovered on 29 January 1924 by K. Reinmuth at Heidelberg.
Where Semphyra is today
Seen from above the solar system on 2026-10-14: Semphyra is 2.51 au from the Sun and 1.79 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1014 |
| Provisional designation | A924 BM |
| Orbit class | Main-belt Asteroid |
| Diameter | 17.5 km (#2,583 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0830 |
| Rotation period | 5.64 hours |
| Spectral type | Xe |
| Absolute magnitude (H) | 11.95 |
| Orbital period | 4.68 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.23 – 3.37 au |
| Eccentricity | 0.205 |
| Inclination | 2.27° |
| Closest distance between its orbit and Earth's (MOID) | 1.24 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.