(15916) Shigeoyamada Main-belt Asteroid

Discovered on 25 October 1997 by N. Sato at Chichibu.

Shigeo Yamada (1942-2002), an aerospace engineer at the National Space Development Agency of Japan, managed the lunar explorer KAGUYA and the engineering test satellites ETS-VII. Generous and thoughtful, he devoted himself to working on NASDA projects until the “fuel” of his life was finally exhausted.Naming citation (20100726/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Shigeoyamada is today

MercuryVenusEarthEarthMarsMarsShigeoyamadaShigeoyamada

Seen from above the solar system on 2026-10-14: Shigeoyamada is 2.48 au from the Sun and 2.12 au from Earth. Computed from JPL's orbital elements.

Facts

Number15916
Provisional designation1997 UL7
Orbit classMain-belt Asteroid
Diameter4.47 km (#11,696 largest of 17,440 named asteroids with a measured size)
Albedo0.233
Absolute magnitude (H)14.19
Orbital period3.72 years
Semi-major axis2.40 au
Perihelion – aphelion2.28 – 2.52 au
Eccentricity0.0495
Inclination3.77°
Closest distance between its orbit and Earth's (MOID)1.29 au

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

Also named after someone called Shigeo

Also discovered on 25 October 1997

More named asteroids discovered by N. Sato