(31956) Wald Main-belt Asteroid

Discovered on 13 April 2000 by P. G. Comba at Prescott.

Abraham Wald (1902-1950) was an American statistician whose most important work was the development of the theory of sequential testing of hypotheses.Naming citation (20020328/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Wald is today

MercuryVenusEarthEarthMarsMarsWaldWald

Seen from above the solar system on 2026-10-14: Wald is 2.71 au from the Sun and 3.61 au from Earth. Computed from JPL's orbital elements.

Facts

Number31956
Provisional designation2000 GA133
Orbit classMain-belt Asteroid
Diameter3.43 km (#14,162 largest of 17,440 named asteroids with a measured size)
Albedo0.287
Rotation period8.90 hours
Absolute magnitude (H)14.68
Orbital period4.53 years
Semi-major axis2.74 au
Perihelion – aphelion2.65 – 2.83 au
Eccentricity0.0327
Inclination2.26°
Closest distance between its orbit and Earth's (MOID)1.66 au

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

Also named after someone called Abraham

More named asteroids discovered by P. G. Comba