(10561) Shimizumasahiro Main-belt Asteroid

Discovered on 15 October 1993 by Endate, K., Watanabe, K. at Kitami.

Masahiro Shimizu (b. 1956) is the president of the Shimizu Clinic, site of the largest astronomical observatory in a hospital in Japan. He has introduced astronomy to countless people and patients in his neighborhood.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Shimizumasahiro is today

MercuryVenusEarthEarthMarsMarsShimizumasahiroShimizumasahiro

Seen from above the solar system on 2026-10-14: Shimizumasahiro is 3.05 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.

Facts

Number10561
Provisional designation1993 TE2
Orbit classMain-belt Asteroid
Diameter10.0 km (#5,082 largest of 17,440 named asteroids with a measured size)
Albedo0.119
Absolute magnitude (H)13.5
Orbital period4.57 years
Semi-major axis2.76 au
Perihelion – aphelion2.31 – 3.21 au
Eccentricity0.163
Inclination9.91°
Closest distance between its orbit and Earth's (MOID)1.31 au

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

Also named after someone called Masahiro

Also discovered on 15 October 1993

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