(11442) Seijin-Sanso Main-belt Asteroid

Discovered on 22 October 1976 by Kosai, H., Hurukawa, K. at Kiso.

Seijin-Sanso, near Kurashiki, Okayama prefecture, is the observing station where famed comet and nova hunter Minoru Honda discovered four of his 12 novae. He was observing there in 1990 on the last night of his life.Naming citation (20030106/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Seijin-Sanso is today

MercuryVenusEarthEarthMarsMarsSeijin-SansoSeijin-Sanso

Seen from above the solar system on 2026-10-14: Seijin-Sanso is 2.16 au from the Sun and 1.72 au from Earth. Computed from JPL's orbital elements.

Facts

Number11442
Provisional designation1976 UN14
Orbit classMain-belt Asteroid
Absolute magnitude (H)14.32
Orbital period3.31 years
Semi-major axis2.22 au
Perihelion – aphelion2.14 – 2.30 au
Eccentricity0.0362
Inclination5.37°
Closest distance between its orbit and Earth's (MOID)1.14 au

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

Also discovered on 22 October 1976

More named asteroids discovered by Kosai, H., Hurukawa, K.