(1504) Lappeenranta Main-belt Asteroid
Discovered on 23 March 1939 by L. Oterma at Turku.
Where Lappeenranta is today
Seen from above the solar system on 2026-10-14: Lappeenranta is 2.67 au from the Sun and 1.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1504 |
| Provisional designation | 1939 FM |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.3 km (#4,393 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.270 |
| Rotation period | 15.2 hours |
| Spectral type | S |
| Absolute magnitude (H) | 11.8 |
| Orbital period | 3.72 years |
| Semi-major axis | 2.40 au |
| Perihelion – aphelion | 2.03 – 2.77 au |
| Eccentricity | 0.156 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by L. Oterma
- (1507) Vaasa
- (1522) Kokkola
- (1540) Kevola
- (1544) Vinterhansenia
- (1545) Thernoe
- (1558) Jarnefelt
- (1559) Kustaanheimo
- (1679) Nevanlinna
- (1680) Per Brahe
- (1695) Walbeck
- (1705) Tapio
- (1758) Naantali
← (1503) Kuopio · (1505) Koranna →