(4261) Gekko Main-belt Asteroid

Discovered on 28 January 1989 by Y. Oshima at Gekko.

Where Gekko is today

MercuryVenusEarthEarthMarsMarsGekkoGekko

Seen from above the solar system on 2026-10-14: Gekko is 3.01 au from the Sun and 3.69 au from Earth. Computed from JPL's orbital elements.

Facts

Number4261
Provisional designation1989 BJ
Orbit classMain-belt Asteroid
Diameter6.69 km (#8,015 largest of 17,440 named asteroids with a measured size)
Albedo0.288
Spectral typeSq
Absolute magnitude (H)13.09
Orbital period4.68 years
Semi-major axis2.80 au
Perihelion – aphelion2.49 – 3.11 au
Eccentricity0.111
Inclination2.66°
Closest distance between its orbit and Earth's (MOID)1.48 au

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

Also discovered on 28 January 1989

More named asteroids discovered by Y. Oshima