(1520) Imatra Main-belt Asteroid
Discovered on 22 October 1938 by Y. Vaisala at Turku.
Where Imatra is today
Seen from above the solar system on 2026-10-14: Imatra is 2.96 au from the Sun and 2.54 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1520 |
| Provisional designation | 1938 UY |
| Orbit class | Main-belt Asteroid |
| Diameter | 53.4 km (#678 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0620 |
| Rotation period | 18.6 hours |
| Spectral type | C |
| Absolute magnitude (H) | 10.56 |
| Orbital period | 5.48 years |
| Semi-major axis | 3.11 au |
| Perihelion – aphelion | 2.82 – 3.40 au |
| Eccentricity | 0.0943 |
| Inclination | 15.3° |
| Closest distance between its orbit and Earth's (MOID) | 1.85 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.