(12621) Alsufi Main-belt Asteroid

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

The Persian astronomer Abd al-Rahman al-Sufi (Azophi; 903-986) worked in Isfahan. His influential star atlas, completed around 964 and based on both Ptolemy's Almagest and pre-Islamic star lore, contains the earliest description of the Andromeda Galaxy, M 31.Naming citation (20080122/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Alsufi is today

MercuryVenusEarthEarthMarsMarsAlsufiAlsufi

Seen from above the solar system on 2026-10-14: Alsufi is 2.75 au from the Sun and 1.76 au from Earth. Computed from JPL's orbital elements.

Facts

Number12621
Provisional designation6585 P-L
Orbit classMain-belt Asteroid
Rotation period4.72 hours
Absolute magnitude (H)13.97
Orbital period5.49 years
Semi-major axis3.11 au
Perihelion – aphelion2.72 – 3.50 au
Eccentricity0.126
Inclination2.43°
Closest distance between its orbit and Earth's (MOID)1.71 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.