(3003) Koncek Main-belt Asteroid
Discovered on 28 December 1983 by A. Mrkos at Klet.
Where Koncek is today
Seen from above the solar system on 2026-10-14: Koncek is 3.17 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3003 |
| Provisional designation | 1983 YH |
| Orbit class | Main-belt Asteroid |
| Diameter | 19.4 km (#2,280 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.186 |
| Rotation period | 9.63 hours |
| Absolute magnitude (H) | 11.48 |
| Orbital period | 5.27 years |
| Semi-major axis | 3.03 au |
| Perihelion – aphelion | 2.67 – 3.39 au |
| Eccentricity | 0.119 |
| Inclination | 11.6° |
| Closest distance between its orbit and Earth's (MOID) | 1.70 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
More named asteroids discovered by A. Mrkos
- (2199) Klet
- (2304) Slavia
- (2325) Chernykh
- (2367) Praha
- (2403) Sumava
- (2404) Antarctica
- (2552) Remek
- (2559) Svoboda
- (2747) Cesky Krumlov
- (2811) Stremchovi
- (2889) Brno
- (2936) Nechvile
← (3002) Delasalle · (3004) Knud →