(1725) CrAO Main-belt Asteroid

Discovered on 20 September 1930 by G. N. Neujmin at Simeis.

Where CrAO is today

MercuryVenusEarthEarthMarsMarsCrAOCrAO

Seen from above the solar system on 2026-10-14: CrAO is 3.15 au from the Sun and 3.89 au from Earth. Computed from JPL's orbital elements.

Facts

Number1725
Provisional designation1930 SK
Orbit classMain-belt Asteroid
Diameter16.1 km (#2,867 largest of 17,440 named asteroids with a measured size)
Albedo0.220
Rotation period21.4 hours
Absolute magnitude (H)11.44
Orbital period4.96 years
Semi-major axis2.91 au
Perihelion – aphelion2.65 – 3.17 au
Eccentricity0.0897
Inclination3.17°
Closest distance between its orbit and Earth's (MOID)1.64 au

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

Also discovered on 20 September 1930

More named asteroids discovered by G. N. Neujmin