(94400) Hongdaeyong Main-belt Asteroid

Discovered on 25 September 2001 by Jeon, Y.-B., Park, Y.-H., Choo, K.-J. at Bohyunsan.

Hong Daeyong (1731-1783), a scientist in the late Chosun Dynasty, worked to overcome old, conventional cosmology in Korea and advocated new concepts introduced through China. He also invented numerous astronomical instruments.Naming citation (20050919/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Hongdaeyong is today

MercuryVenusEarthEarthMarsMarsHongdaeyongHongdaeyong

Seen from above the solar system on 2026-10-14: Hongdaeyong is 1.91 au from the Sun and 2.66 au from Earth. Computed from JPL's orbital elements.

Facts

Number94400
Provisional designation2001 SG267
Orbit classMain-belt Asteroid
Absolute magnitude (H)17.36
Orbital period3.25 years
Semi-major axis2.19 au
Perihelion – aphelion1.90 – 2.49 au
Eccentricity0.134
Inclination2.79°
Closest distance between its orbit and Earth's (MOID)0.890 au

Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.

Also named after someone called Hong

Also discovered on 25 September 2001