(944) Hidalgo Centaur

Discovered on 31 October 1920 by W. Baade at Bergedorf.

Where Hidalgo is today

MercuryVenusEarthEarthMarsMarsJupiterJupiterSaturnSaturnHidalgoHidalgo

Seen from above the solar system on 2026-10-14: Hidalgo is 9.35 au from the Sun and 9.81 au from Earth. Computed from JPL's orbital elements.

Facts

Number944
Provisional designationA920 UB
Orbit classCentaur
Diameter38.0 km (#1,031 largest of 17,440 named asteroids with a measured size)
Albedo0.0600
Rotation period10.1 hours
Spectral typeD
Absolute magnitude (H)10.55
Orbital period13.7 years
Semi-major axis5.73 au
Perihelion – aphelion1.94 – 9.52 au
Eccentricity0.662
Inclination42.5°
Closest distance between its orbit and Earth's (MOID)1.14 au

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

More named asteroids discovered by W. Baade