(2447) Kronstadt Main-belt Asteroid
Discovered on 31 August 1973 by T. M. Smirnova at Nauchnyj.
Where Kronstadt is today
Seen from above the solar system on 2026-10-14: Kronstadt is 2.15 au from the Sun and 1.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2447 |
| Provisional designation | 1973 QY1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.85 km (#6,727 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.238 |
| Rotation period | 51.5 hours |
| Absolute magnitude (H) | 12.98 |
| Orbital period | 4.04 years |
| Semi-major axis | 2.54 au |
| Perihelion – aphelion | 1.86 – 3.21 au |
| Eccentricity | 0.265 |
| Inclination | 8.78° |
| Closest distance between its orbit and Earth's (MOID) | 0.863 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.