(5045) Hoyin Main-belt Asteroid
Discovered on 29 October 1978 by Purple Mountain Observatory at Nanking.
Ho Yin (1908-1983), a well-known philanthropist, devoted himself to public service and philanthropy in Macao. He assisted people in stricken areas and played an important role in the economic development of Macao in the early days of the twentieth century.Naming citation (20050523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Hoyin is today
Seen from above the solar system on 2026-10-14: Hoyin is 3.55 au from the Sun and 4.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5045 |
| Provisional designation | 1978 UL2 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.07 |
| Orbital period | 5.55 years |
| Semi-major axis | 3.13 au |
| Perihelion – aphelion | 2.53 – 3.73 au |
| Eccentricity | 0.191 |
| Inclination | 2.57° |
| Closest distance between its orbit and Earth's (MOID) | 1.54 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Ho
All asteroids named after someone called Ho