(223685) Hartopp Main-belt Asteroid
Discovered on 18 August 2004 by J. Manteca at Begues.
Ramon Hartopp (b. 1965) has displayed great enthusiasm for the popularization and dissemination of astronomy and astronautics through courses, conferences and magazine articles, despite being autistic and having Asperger Syndrome. He is a member of AACastelldefels.Naming citation (MPC batch dated 2014-05-14), IAU / Minor Planet Center, via NASA/JPL
Where Hartopp is today
Seen from above the solar system on 2026-10-14: Hartopp is 3.08 au from the Sun and 3.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 223685 |
| Provisional designation | 2004 QC1 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.69 |
| Orbital period | 4.64 years |
| Semi-major axis | 2.78 au |
| Perihelion – aphelion | 2.48 – 3.08 au |
| Eccentricity | 0.107 |
| Inclination | 14.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.50 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ramon
All asteroids named after someone called Ramon