(63156) Yicheon Main-belt Asteroid
Discovered on 5 December 2000 by Jeon, Y.-B., Lee, B.-C. at Bohyunsan.
Great technological achievements in the Chosun Dynasty would be almost unthinkable without the presence of Yi Cheon (1376-1451). He was in charge of developing astronomical instruments. He also influenced metal printing, musical instruments and standardization of measurement systems.Naming citation (20040306/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yicheon is today
Seen from above the solar system on 2026-10-14: Yicheon is 2.86 au from the Sun and 2.68 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 63156 |
| Provisional designation | 2000 XQ44 |
| Orbit class | Main-belt Asteroid |
| Diameter | 5.51 km (#9,703 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.111 |
| Absolute magnitude (H) | 14.55 |
| Orbital period | 5.52 years |
| Semi-major axis | 3.12 au |
| Perihelion – aphelion | 2.83 – 3.42 au |
| Eccentricity | 0.0950 |
| Inclination | 10.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.84 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.