(1069) Planckia Main-belt Asteroid
Discovered on 28 January 1927 by M. F. Wolf at Heidelberg.
Where Planckia is today
Seen from above the solar system on 2026-10-14: Planckia is 2.93 au from the Sun and 3.15 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 1069 |
| Provisional designation | 1927 BC |
| Orbit class | Main-belt Asteroid |
| Diameter | 35.7 km (#1,129 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.219 |
| Rotation period | 8.66 hours |
| Spectral type | S |
| Absolute magnitude (H) | 9.57 |
| Orbital period | 5.53 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.78 – 3.47 au |
| Eccentricity | 0.110 |
| Inclination | 13.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.80 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.