(3500) Kobayashi Main-belt Asteroid

Discovered on 18 September 1919 by K. Reinmuth at Heidelberg.

Where Kobayashi is today

MercuryVenusEarthEarthMarsMarsKobayashiKobayashi

Seen from above the solar system on 2026-10-14: Kobayashi is 1.80 au from the Sun and 1.45 au from Earth. Computed from JPL's orbital elements.

Facts

Number3500
Provisional designationA919 SD
Orbit classMain-belt Asteroid
Diameter7.42 km (#7,188 largest of 17,440 named asteroids with a measured size)
Albedo0.334
Rotation period5.61 hours
Absolute magnitude (H)12.89
Orbital period3.35 years
Semi-major axis2.24 au
Perihelion – aphelion1.80 – 2.68 au
Eccentricity0.197
Inclination4.26°
Closest distance between its orbit and Earth's (MOID)0.785 au

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

Also discovered on 18 September 1919

More named asteroids discovered by K. Reinmuth