(17461) Shigosenger Main-belt Asteroid

Discovered on 20 October 1990 by T. Seki at Geisei.

Shigosenger is a team of original characters introduced by Akashi Municipal Planetarium to promote astronomy education for children. The Planetarium is situated on the Japan Standard Time Meridian and “Shigosen” is a Japanese term for the meridian.Naming citation (MPC batch dated 2018-05-29), IAU / Minor Planet Center, via NASA/JPL

Where Shigosenger is today

MercuryVenusEarthEarthMarsMarsShigosengerShigosenger

Seen from above the solar system on 2026-10-14: Shigosenger is 2.38 au from the Sun and 1.64 au from Earth. Computed from JPL's orbital elements.

Facts

Number17461
Provisional designation1990 UD1
Orbit classMain-belt Asteroid
Diameter6.93 km (#7,736 largest of 17,440 named asteroids with a measured size)
Albedo0.0640
Absolute magnitude (H)14.46
Orbital period5.21 years
Semi-major axis3.01 au
Perihelion – aphelion2.37 – 3.64 au
Eccentricity0.211
Inclination2.79°
Closest distance between its orbit and Earth's (MOID)1.37 au

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

Also discovered on 20 October 1990

More named asteroids discovered by T. Seki