(3555) Miyasaka Main-belt Asteroid

Discovered on 6 October 1931 by K. Reinmuth at Heidelberg.

Where Miyasaka is today

MercuryVenusEarthEarthMarsMarsMiyasakaMiyasaka

Seen from above the solar system on 2026-10-14: Miyasaka is 2.15 au from the Sun and 1.19 au from Earth. Computed from JPL's orbital elements.

Facts

Number3555
Provisional designation1931 TC1
Orbit classMain-belt Asteroid
Diameter6.52 km (#8,228 largest of 17,440 named asteroids with a measured size)
Albedo0.315
Rotation period54.2 hours
Absolute magnitude (H)13.07
Orbital period4.52 years
Semi-major axis2.73 au
Perihelion – aphelion2.09 – 3.38 au
Eccentricity0.237
Inclination9.48°
Closest distance between its orbit and Earth's (MOID)1.09 au

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

Also discovered on 6 October 1931

More named asteroids discovered by K. Reinmuth