(5009) Sethos Main-belt Asteroid

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

Where Sethos is today

MercuryVenusEarthEarthMarsMarsSethosSethos

Seen from above the solar system on 2026-10-14: Sethos is 2.55 au from the Sun and 2.19 au from Earth. Computed from JPL's orbital elements.

Facts

Number5009
Provisional designation2562 P-L
Orbit classMain-belt Asteroid
Diameter3.42 km (#14,169 largest of 17,440 named asteroids with a measured size)
Albedo0.455
Rotation period2.69 hours
Absolute magnitude (H)13.95
Orbital period3.51 years
Semi-major axis2.31 au
Perihelion – aphelion1.95 – 2.67 au
Eccentricity0.155
Inclination1.48°
Closest distance between its orbit and Earth's (MOID)0.954 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.