(3797) Ching-Sung Yu Outer Main-belt Asteroid
Discovered on 22 December 1987 by Oak Ridge Observatory at Harvard.
Where Ching-Sung Yu is today
Seen from above the solar system on 2026-10-14: Ching-Sung Yu is 3.39 au from the Sun and 2.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 3797 |
| Provisional designation | 1987 YL |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 11.7 km (#4,223 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0980 |
| Absolute magnitude (H) | 13.18 |
| Orbital period | 5.78 years |
| Semi-major axis | 3.22 au |
| Perihelion – aphelion | 2.77 – 3.67 au |
| Eccentricity | 0.139 |
| Inclination | 0.849° |
| Closest distance between its orbit and Earth's (MOID) | 1.79 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 22 December 1987
More named asteroids discovered by Oak Ridge Observatory
- (2674) Pandarus
- (2872) Gentelec
- (3076) Garber
- (3342) Fivesparks
- (3773) Smithsonian
- (4372) Quincy
- (4733) ORO
- (5976) Kalatajean
- (6696) Eubanks
- (6949) Zissell
- (7276) Maymie
- (7383) Lassovszky
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