(11915) Nishiinoue Main-belt Asteroid

Discovered on 23 September 1992 by Endate, K., Watanabe, K. at Kitami.

Tsuyoshi Nishiinoue (b. 1954) studied at the Department of Earth and Planetary Sciences at the Western Australian Museum in 1991. Upon his return to Japan, he became director of Kihoku Observatory, in Kagoshima prefecture, in 1995. He remains a scholar and popularizer of astronomy.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Nishiinoue is today

MercuryVenusEarthEarthMarsMarsNishiinoueNishiinoue

Seen from above the solar system on 2026-10-14: Nishiinoue is 2.67 au from the Sun and 3.60 au from Earth. Computed from JPL's orbital elements.

Facts

Number11915
Provisional designation1992 SJ1
Orbit classMain-belt Asteroid
Absolute magnitude (H)14.98
Orbital period3.53 years
Semi-major axis2.32 au
Perihelion – aphelion1.86 – 2.78 au
Eccentricity0.198
Inclination5.39°
Closest distance between its orbit and Earth's (MOID)0.868 au

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

Also named after someone called Tsuyoshi

Also discovered on 23 September 1992

More named asteroids discovered by Endate, K., Watanabe, K.