(3278) Behounek Outer Main-belt Asteroid

Discovered on 27 January 1984 by A. Mrkos at Klet.

Where Behounek is today

MercuryVenusEarthEarthMarsMarsBehounekBehounek

Seen from above the solar system on 2026-10-14: Behounek is 3.21 au from the Sun and 3.57 au from Earth. Computed from JPL's orbital elements.

Facts

Number3278
Provisional designation1984 BT
Orbit classOuter Main-belt Asteroid
Diameter31.5 km (#1,302 largest of 17,440 named asteroids with a measured size)
Albedo0.0480
Absolute magnitude (H)11.44
Orbital period5.77 years
Semi-major axis3.22 au
Perihelion – aphelion3.16 – 3.27 au
Eccentricity0.0169
Inclination9.71°
Closest distance between its orbit and Earth's (MOID)2.17 au

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

Also discovered on 27 January 1984

More named asteroids discovered by A. Mrkos