(6450) Masahikohayashi Main-belt Asteroid

Discovered on 9 April 1991 by E. F. Helin at Palomar.

Masahiko Hayashi (b. 1959) served as a professor of astronomy at the Department of Astronomy of the University of Tokyo. His specialty is observational studies of stellar and planetary system formation. In 2012 he became the director general of the National Astronomical Observatory of Japan.Naming citation (20120831/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Masahikohayashi is today

MercuryVenusEarthEarthMarsMarsMasahikohayashiMasahikohayashi

Seen from above the solar system on 2026-10-14: Masahikohayashi is 3.04 au from the Sun and 3.48 au from Earth. Computed from JPL's orbital elements.

Facts

Number6450
Provisional designation1991 GV1
Orbit classMain-belt Asteroid
Diameter5.99 km (#8,946 largest of 17,440 named asteroids with a measured size)
Albedo0.449
Absolute magnitude (H)13.6
Orbital period4.05 years
Semi-major axis2.54 au
Perihelion – aphelion1.93 – 3.16 au
Eccentricity0.243
Inclination8.51°
Closest distance between its orbit and Earth's (MOID)0.913 au

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

Also discovered on 9 April 1991

More named asteroids discovered by E. F. Helin