(8725) Keiko Main-belt Asteroid

Discovered on 5 October 1996 by H. Abe at Yatsuka.

Named in honor of Keiko Morinaga (b. 1969), a member of the Matsue Astronomy Club and the wife and observing partner of the discoverer.Naming citation (19980808/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Keiko is today

MercuryVenusEarthEarthMarsMarsKeikoKeiko

Seen from above the solar system on 2026-10-14: Keiko is 2.39 au from the Sun and 3.38 au from Earth. Computed from JPL's orbital elements.

Facts

Number8725
Provisional designation1996 TG5
Orbit classMain-belt Asteroid
Diameter3.65 km (#13,568 largest of 17,440 named asteroids with a measured size)
Albedo0.230
Absolute magnitude (H)14.81
Orbital period3.16 years
Semi-major axis2.15 au
Perihelion – aphelion1.92 – 2.39 au
Eccentricity0.110
Inclination2.47°
Closest distance between its orbit and Earth's (MOID)0.924 au

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

Also discovered on 5 October 1996

More named asteroids discovered by H. Abe