(180643) Cardoen Main-belt Asteroid
Discovered on 14 April 2004 by M. Ory at Vicques.
Dany Cardoen (b. 1949) is a French amateur astronomer and optician. In Puimichel in 1986 he built and installed the first one-meter telescope made by an amateur.Naming citation (20100923/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Cardoen is today
Seen from above the solar system on 2026-10-14: Cardoen is 2.79 au from the Sun and 1.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 180643 |
| Provisional designation | 2004 GK20 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.8 |
| Orbital period | 4.08 years |
| Semi-major axis | 2.55 au |
| Perihelion – aphelion | 2.32 – 2.79 au |
| Eccentricity | 0.0931 |
| Inclination | 9.08° |
| Closest distance between its orbit and Earth's (MOID) | 1.32 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.