(2128) Wetherill Main-belt Asteroid

Discovered on 26 September 1973 by E. F. Helin at Palomar.

Where Wetherill is today

MercuryVenusEarthEarthMarsMarsWetherillWetherill

Seen from above the solar system on 2026-10-14: Wetherill is 3.00 au from the Sun and 3.99 au from Earth. Computed from JPL's orbital elements.

Facts

Number2128
Provisional designation1973 SB
Orbit classMain-belt Asteroid
Diameter8.95 km (#5,792 largest of 17,440 named asteroids with a measured size)
Albedo0.0470
Absolute magnitude (H)14.43
Orbital period4.52 years
Semi-major axis2.73 au
Perihelion – aphelion1.70 – 3.77 au
Eccentricity0.380
Inclination16.9°
Closest distance between its orbit and Earth's (MOID)0.702 au

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

Also discovered on 26 September 1973

More named asteroids discovered by E. F. Helin