(1561) Fricke Main-belt Asteroid
Discovered on 15 February 1941 by K. Reinmuth at Heidelberg.
Where Fricke is today
Seen from above the solar system on 2026-10-14: Fricke is 3.19 au from the Sun and 4.14 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1561 |
| Provisional designation | 1941 CG |
| Orbit class | Main-belt Asteroid |
| Diameter | 25.4 km (#1,664 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0630 |
| Rotation period | 15.2 hours |
| Absolute magnitude (H) | 11.45 |
| Orbital period | 5.71 years |
| Semi-major axis | 3.20 au |
| Perihelion – aphelion | 2.77 – 3.62 au |
| Eccentricity | 0.133 |
| Inclination | 4.32° |
| Closest distance between its orbit and Earth's (MOID) | 1.76 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.