(3201) Sijthoff Main-belt Asteroid

Discovered on 24 September 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Where Sijthoff is today

MercuryVenusEarthEarthMarsMarsSijthoffSijthoff

Seen from above the solar system on 2026-10-14: Sijthoff is 2.06 au from the Sun and 2.97 au from Earth. Computed from JPL's orbital elements.

Facts

Number3201
Provisional designation6560 P-L
Orbit classMain-belt Asteroid
Diameter5.03 km (#10,555 largest of 17,440 named asteroids with a measured size)
Albedo0.231
Rotation period4.61 hours
Absolute magnitude (H)13.74
Orbital period3.39 years
Semi-major axis2.26 au
Perihelion – aphelion2.06 – 2.46 au
Eccentricity0.0883
Inclination2.99°
Closest distance between its orbit and Earth's (MOID)1.07 au

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

Also discovered on 24 September 1960

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