(59000) Beiguan Main-belt Asteroid

Discovered on 17 September 1998 by Beijing Schmidt CCD Asteroid Program at Xinglong.

Beijing Planetarium (Beijing Tianwenguan) was the first planetarium in China, and it is now one of the most modern planetaria in the world. This minor planet is named during the fiftieth anniversary year of Beijing Planetarium.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Beiguan is today

MercuryVenusEarthEarthMarsMarsBeiguanBeiguan

Seen from above the solar system on 2026-10-14: Beiguan is 2.39 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.

Facts

Number59000
Provisional designation1998 SW26
Orbit classMain-belt Asteroid
Diameter2.85 km (#15,558 largest of 17,440 named asteroids with a measured size)
Albedo0.0340
Absolute magnitude (H)16.48
Orbital period3.28 years
Semi-major axis2.21 au
Perihelion – aphelion1.94 – 2.47 au
Eccentricity0.120
Inclination4.79°
Closest distance between its orbit and Earth's (MOID)0.964 au

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

Also discovered on 17 September 1998

More named asteroids discovered by Beijing Schmidt CCD Asteroid Program