(20880) Yiyideng Main-belt Asteroid
Discovered on 3 November 2000 by LINEAR at Socorro.
Yiyi Deng (b. 1986) was awarded first place in the 2004 Intel International Science and Engineering Fair for her physics project. She also received the Intel Foundation Achievement Award. She attends the Ward Melville High School, East Setauket, New York, U.S.A.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Yiyideng is today
Seen from above the solar system on 2026-10-14: Yiyideng is 2.63 au from the Sun and 1.64 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20880 |
| Provisional designation | 2000 VE57 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.60 km (#13,710 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.197 |
| Absolute magnitude (H) | 14.95 |
| Orbital period | 4.42 years |
| Semi-major axis | 2.70 au |
| Perihelion – aphelion | 2.57 – 2.82 au |
| Eccentricity | 0.0470 |
| Inclination | 4.58° |
| Closest distance between its orbit and Earth's (MOID) | 1.56 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.