(349785) Hsiaotejen Main-belt Asteroid
Discovered on 16 January 2009 by Hsiao, H.-Y., Ye, Q.-z. at Lulin.
Hsiao Te-Jen (1934-2015) was the grandfather of the first discoverer. He was a farmer for his whole life.Naming citation (MPC batch dated 2016-03-23), IAU / Minor Planet Center, via NASA/JPL
Where Hsiaotejen is today
Seen from above the solar system on 2026-10-14: Hsiaotejen is 2.64 au from the Sun and 3.62 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 349785 |
| Provisional designation | 2009 BP55 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.35 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.59 – 2.64 au |
| Eccentricity | 0.00965 |
| Inclination | 14.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.58 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.