(5151) Weerstra Main-belt Asteroid

Discovered on 29 September 1973 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Weerstra is today

MercuryVenusEarthEarthMarsMarsWeerstraWeerstra

Seen from above the solar system on 2026-10-14: Weerstra is 2.96 au from the Sun and 3.54 au from Earth. Computed from JPL's orbital elements.

Facts

Number5151
Provisional designation2160 T-2
Orbit classMain-belt Asteroid
Diameter10.8 km (#4,657 largest of 17,440 named asteroids with a measured size)
Albedo0.0720
Absolute magnitude (H)13.62
Orbital period5.68 years
Semi-major axis3.18 au
Perihelion – aphelion2.51 – 3.86 au
Eccentricity0.211
Inclination0.947°
Closest distance between its orbit and Earth's (MOID)1.52 au

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

Also discovered on 29 September 1973

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.