(20091) Alfredoescalante Main-belt Asteroid

Discovered on 12 August 1994 by E. W. Elst at La Silla.

Alfredo Escalante López (b. 1995) is a Spanish researcher at the European Space Astronomy Centre in Madrid. He supports geometry data navigation for Hera and all ESA planetary missions, focusing on optical navigation for small-body missions, using deep learning on comet and asteroid images from Rosetta and OSIRIS-REX.Naming citation (WGSBN Bull. 6, #11, 9), IAU / Minor Planet Center, via NASA/JPL

Where Alfredoescalante is today

MercuryVenusEarthEarthMarsMarsAlfredoescalanteAlfredoescalante

Seen from above the solar system on 2026-10-14: Alfredoescalante is 2.85 au from the Sun and 3.62 au from Earth. Computed from JPL's orbital elements.

Facts

Number20091
Provisional designation1994 PK20
Orbit classMain-belt Asteroid
Diameter4.82 km (#10,978 largest of 17,440 named asteroids with a measured size)
Albedo0.159
Absolute magnitude (H)13.87
Orbital period4.78 years
Semi-major axis2.84 au
Perihelion – aphelion2.76 – 2.91 au
Eccentricity0.0255
Inclination2.06°
Closest distance between its orbit and Earth's (MOID)1.78 au

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

Also named after someone called Alfredo

Also discovered on 12 August 1994

More named asteroids discovered by E. W. Elst