(239593) Tianwenbang Main-belt Asteroid
Discovered on 20 October 2008 by Hsiao and Ye, H.-Y., Ye, Q. at Lulin.
Tianwenbang is an alliance of the astronomy clubs of several senior high schools in Kaohsiung, Taiwan. Club members gather to star gaze, study astronomy and socialize.Naming citation (MPC batch dated 2014-01-16), IAU / Minor Planet Center, via NASA/JPL
Where Tianwenbang is today
Seen from above the solar system on 2026-10-14: Tianwenbang is 2.20 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 239593 |
| Provisional designation | 2008 UD55 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.41 |
| Orbital period | 3.57 years |
| Semi-major axis | 2.33 au |
| Perihelion – aphelion | 2.19 – 2.48 au |
| Eccentricity | 0.0636 |
| Inclination | 3.60° |
| Closest distance between its orbit and Earth's (MOID) | 1.20 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.