(21313) Xiuyanyu Main-belt Asteroid
Discovered on 10 December 1996 by Beijing Schmidt CCD Asteroid Program at Xinglong.
Xiuyanyu is a kind of jade produced in Xiuyan County, in northeastern China, famous for its long historical standing to be used for making various kinds of art sculptures. It has the reputation of Oriental Beauty Jade.Naming citation (20050407/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Xiuyanyu is today
Seen from above the solar system on 2026-10-14: Xiuyanyu is 2.49 au from the Sun and 2.87 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21313 |
| Provisional designation | 1996 XY14 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.08 km (#12,556 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.244 |
| Rotation period | 4.43 hours |
| Absolute magnitude (H) | 14.44 |
| Orbital period | 3.28 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.85 – 2.57 au |
| Eccentricity | 0.164 |
| Inclination | 5.58° |
| Closest distance between its orbit and Earth's (MOID) | 0.832 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.