(7354) Ishiguro Main-belt Asteroid

Discovered on 27 January 1995 by T. Kobayashi at Oizumi.

Masato Ishiguro (b. 1945) has been the Japanese project director of the ALMA (Atacama Large Millimeter/submillimeter Array) project since 1998. He was in charge of constructing the Nobeyama Millimeter Array and was the director of the Nobeyama Radio Observatory from 1990 to 1996.Naming citation (20030501/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Ishiguro is today

Seen from above the solar system on 2026-10-14: Ishiguro is 3.57 au from the Sun and 2.72 au from Earth. Computed from JPL's orbital elements.

Facts

Number	7354
Provisional designation	1995 BR1
Orbit class	Main-belt Asteroid
Diameter	7.54 km (#7,066 largest of 17,440 named asteroids with a measured size)
Albedo	0.236
Rotation period	6.22 hours
Absolute magnitude (H)	13.03
Orbital period	5.61 years
Semi-major axis	3.16 au
Perihelion – aphelion	2.74 – 3.57 au
Eccentricity	0.132
Inclination	3.56°
Closest distance between its orbit and Earth's (MOID)	1.75 au

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

Also named after someone called Masato

All asteroids named after someone called Masato

Also discovered on 27 January 1995

More named asteroids discovered by T. Kobayashi

All 288

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