(8735) Yoshiosakai Main-belt Asteroid

Discovered on 2 January 1997 by T. Kobayashi at Oizumi.

Sakai Yoshio (1923-2002) is a pioneer in building astronomical observatories for the general public. He established the Hidahiko Tenmondai at his own expense. He also toiled as director of Ogawa Astronomical Observatory (founded in 1991), contributing much to education in astronomy.Naming citation (20061109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Yoshiosakai is today

MercuryVenusEarthEarthMarsMarsYoshiosakaiYoshiosakai

Seen from above the solar system on 2026-10-14: Yoshiosakai is 3.71 au from the Sun and 4.65 au from Earth. Computed from JPL's orbital elements.

Facts

Number8735
Provisional designation1997 AA1
Orbit classMain-belt Asteroid
Diameter13.2 km (#3,653 largest of 17,440 named asteroids with a measured size)
Albedo0.0770
Absolute magnitude (H)13.1
Orbital period5.70 years
Semi-major axis3.19 au
Perihelion – aphelion2.50 – 3.88 au
Eccentricity0.216
Inclination1.94°
Closest distance between its orbit and Earth's (MOID)1.51 au

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

Also discovered on 2 January 1997

More named asteroids discovered by T. Kobayashi