(1913) Sekanina Main-belt Asteroid
Discovered on 22 September 1928 by K. Reinmuth at Heidelberg.
Where Sekanina is today
Seen from above the solar system on 2026-10-14: Sekanina is 2.67 au from the Sun and 1.76 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1913 |
| Provisional designation | 1928 SF |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.4 km (#3,560 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.220 |
| Rotation period | 14.0 hours |
| Absolute magnitude (H) | 11.59 |
| Orbital period | 4.89 years |
| Semi-major axis | 2.88 au |
| Perihelion – aphelion | 2.67 – 3.09 au |
| Eccentricity | 0.0739 |
| Inclination | 1.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.67 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.