(748) Simeisa Outer Main-belt Asteroid
Discovered on 14 March 1913 by G. N. Neujmin at Simeis.
Where Simeisa is today
Seen from above the solar system on 2026-10-14: Simeisa is 4.26 au from the Sun and 3.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 748 |
| Provisional designation | A913 EL |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 104 km (#217 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0410 |
| Rotation period | 11.9 hours |
| Spectral type | P |
| Absolute magnitude (H) | 9.08 |
| Orbital period | 7.86 years |
| Semi-major axis | 3.95 au |
| Perihelion – aphelion | 3.20 – 4.70 au |
| Eccentricity | 0.190 |
| Inclination | 2.26° |
| Closest distance between its orbit and Earth's (MOID) | 2.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.