(28437) Belenyu Main-belt Asteroid
Discovered on 31 December 1999 by Spacewatch at Kitt Peak.
Belén Yu Irureta-Goyena Chang (b. 1999) is a Spanish astronomer. She has conducted research on asteroid detection as a Ph.D. student at the Swiss École Polytechnique Fédérale de Lausanne and as a visiting researcher at the European Space Agency and the California Institute of Technology.Naming citation (WGSBN Bull. 5, #19, 6), IAU / Minor Planet Center, via NASA/JPL
Where Belenyu is today
Seen from above the solar system on 2026-10-14: Belenyu is 2.04 au from the Sun and 3.03 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 28437 |
| Provisional designation | 1999 YJ16 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.11 km (#14,928 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.289 |
| Absolute magnitude (H) | 14.86 |
| Orbital period | 3.28 years |
| Semi-major axis | 2.21 au |
| Perihelion – aphelion | 1.90 – 2.51 au |
| Eccentricity | 0.138 |
| Inclination | 5.07° |
| Closest distance between its orbit and Earth's (MOID) | 0.891 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 31 December 1999
- (14238) d'Artagnan
- (18883) Domegge
- (25597) Glendahill
- (47466) Mayatoyoshima
- (75555) Wonaszek
- (75562) Wilkening
- (629141) Mihalikeniko