(1900) Katyusha Main-belt Asteroid
Discovered on 16 December 1971 by T. M. Smirnova at Nauchnyj.
Where Katyusha is today
Seen from above the solar system on 2026-10-14: Katyusha is 2.24 au from the Sun and 1.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1900 |
| Provisional designation | 1971 YB |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.82 km (#5,901 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.299 |
| Rotation period | 9.50 hours |
| Absolute magnitude (H) | 12.28 |
| Orbital period | 3.28 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.91 – 2.51 au |
| Eccentricity | 0.134 |
| Inclination | 6.55° |
| Closest distance between its orbit and Earth's (MOID) | 0.930 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.