(1573) Vaisala Main-belt Asteroid
Discovered on 27 October 1949 by S. J. Arend at Uccle.
Where Vaisala is today
Seen from above the solar system on 2026-10-14: Vaisala is 2.05 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1573 |
| Provisional designation | 1949 UA |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.08 km (#5,696 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.282 |
| Rotation period | 252 hours |
| Absolute magnitude (H) | 12.27 |
| Orbital period | 3.65 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 1.82 – 2.92 au |
| Eccentricity | 0.231 |
| Inclination | 24.6° |
| Closest distance between its orbit and Earth's (MOID) | 0.826 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by S. J. Arend
- (1127) Mimi
- (1171) Rusthawelia
- (1262) Sniadeckia
- (1263) Varsavia
- (1281) Jeanne
- (1286) Banachiewicza
- (1287) Lorcia
- (1313) Berna
- (1314) Paula
- (1315) Bronislawa
- (1348) Michel
- (1352) Wawel
← (1572) Posnania · (1574) Meyer →