(2117) Danmark Main-belt Asteroid
Discovered on 9 January 1978 by R. M. West at La Silla.
Where Danmark is today
Seen from above the solar system on 2026-10-14: Danmark is 2.95 au from the Sun and 3.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 2117 |
| Provisional designation | 1978 AC |
| Orbit class | Main-belt Asteroid |
| Diameter | 12.0 km (#4,093 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.196 |
| Rotation period | 16.6 hours |
| Absolute magnitude (H) | 11.89 |
| Orbital period | 4.86 years |
| Semi-major axis | 2.87 au |
| Perihelion – aphelion | 2.66 – 3.07 au |
| Eccentricity | 0.0715 |
| Inclination | 2.93° |
| Closest distance between its orbit and Earth's (MOID) | 1.65 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.