(133891) Jaesubhong Main-belt Asteroid
Discovered on 20 August 2004 by CSS at Catalina.
Jaesub Hong (b. 1969) is an astronomer at the Harvard College Observatory serving as the lead scientist for the calibration and image reconstruction performed by the student-built Regolith X-ray Imaging Spectrometer aboard the OSIRIS-REx Asteroid Sample Return Mission.Naming citation (MPC batch dated 2016-08-18), IAU / Minor Planet Center, via NASA/JPL
Where Jaesubhong is today
Seen from above the solar system on 2026-10-14: Jaesubhong is 2.34 au from the Sun and 2.07 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 133891 |
| Provisional designation | 2004 QY20 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.32 |
| Orbital period | 3.59 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 1.97 – 2.72 au |
| Eccentricity | 0.161 |
| Inclination | 6.75° |
| Closest distance between its orbit and Earth's (MOID) | 0.961 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 20 August 2004
- (128593) Balfourwhitney
- (128607) Richhund
- (128610) Stasiahabenicht
- (128611) Paulnowak
- (133889) Nicholasmills