(3546) Atanasoff Main-belt Asteroid

Discovered on 28 September 1983 by Bulgarian National Observatory at Smolyan.

Where Atanasoff is today

MercuryVenusEarthEarthMarsMarsAtanasoffAtanasoff

Seen from above the solar system on 2026-10-14: Atanasoff is 2.63 au from the Sun and 3.25 au from Earth. Computed from JPL's orbital elements.

Facts

Number3546
Provisional designation1983 SC
Orbit classMain-belt Asteroid
Diameter9.98 km (#5,105 largest of 17,440 named asteroids with a measured size)
Albedo0.234
Rotation period3.75 hours
Spectral typeSa
Absolute magnitude (H)12.41
Orbital period4.42 years
Semi-major axis2.69 au
Perihelion – aphelion2.63 – 2.76 au
Eccentricity0.0254
Inclination7.02°
Closest distance between its orbit and Earth's (MOID)1.63 au

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

Also discovered on 28 September 1983

More named asteroids discovered by Bulgarian National Observatory