(1113) Katja Main-belt Asteroid
Discovered on 15 August 1928 by P. F. Shajn at Simeis.
Where Katja is today
Seen from above the solar system on 2026-10-14: Katja is 3.47 au from the Sun and 3.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1113 |
| Provisional designation | 1928 QC |
| Orbit class | Main-belt Asteroid |
| Diameter | 44.8 km (#861 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.195 |
| Rotation period | 18.5 hours |
| Absolute magnitude (H) | 9.26 |
| Orbital period | 5.51 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.70 – 3.54 au |
| Eccentricity | 0.134 |
| Inclination | 13.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.74 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.