(23900) Urakawa Main-belt Asteroid

Discovered on 17 September 1998 by LONEOS at Anderson Mesa.

Seitaro Urakawa (b. 1975) is an astronomer who works at the Bisei Spaceguard Center.Naming citation (20120506/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Urakawa is today

MercuryVenusEarthEarthMarsMarsUrakawaUrakawa

Seen from above the solar system on 2026-10-14: Urakawa is 2.80 au from the Sun and 1.80 au from Earth. Computed from JPL's orbital elements.

Facts

Number23900
Provisional designation1998 SO61
Orbit classMain-belt Asteroid
Diameter10.9 km (#4,616 largest of 17,440 named asteroids with a measured size)
Albedo0.0590
Rotation period7.93 hours
Absolute magnitude (H)13.88
Orbital period4.65 years
Semi-major axis2.79 au
Perihelion – aphelion2.69 – 2.89 au
Eccentricity0.0360
Inclination3.26°
Closest distance between its orbit and Earth's (MOID)1.67 au

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

Also discovered on 17 September 1998

More named asteroids discovered by LONEOS