(21036) Nakamurayoshi Main-belt Asteroid

Discovered on 30 January 1990 by Matsuyama, M., Watanabe, K. at Kushiro.

Yoshihiro Nakamura (b. 1947) retired from his planetarium manufacturing company in 2007 and is now well known as an amateur astronomer in Chiba Prefecture. He actively supports the organizing of local star parties for amateur astronomers, and is a member of the Oriental Astronomical Association.Naming citation (20121029/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Nakamurayoshi is today

MercuryVenusEarthEarthMarsMarsNakamurayoshiNakamurayoshi

Seen from above the solar system on 2026-10-14: Nakamurayoshi is 2.61 au from the Sun and 2.66 au from Earth. Computed from JPL's orbital elements.

Facts

Number21036
Provisional designation1990 BA2
Orbit classMain-belt Asteroid
Absolute magnitude (H)13.24
Orbital period5.28 years
Semi-major axis3.03 au
Perihelion – aphelion2.56 – 3.51 au
Eccentricity0.156
Inclination10.6°
Closest distance between its orbit and Earth's (MOID)1.57 au

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

Also named after someone called Yoshihiro

Also discovered on 30 January 1990

More named asteroids discovered by Matsuyama, M., Watanabe, K.