(925) Alphonsina Main-belt Asteroid

Discovered on 13 January 1920 by J. Comas Sola at Barcelona.

Where Alphonsina is today

MercuryVenusEarthEarthMarsMarsAlphonsinaAlphonsina

Seen from above the solar system on 2026-10-14: Alphonsina is 2.48 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.

Facts

Number925
Provisional designationA920 AA
Orbit classMain-belt Asteroid
Diameter57.5 km (#628 largest of 17,440 named asteroids with a measured size)
Albedo0.248
Rotation period7.88 hours
Spectral typeS
Absolute magnitude (H)8.51
Orbital period4.44 years
Semi-major axis2.70 au
Perihelion – aphelion2.48 – 2.92 au
Eccentricity0.0819
Inclination21.1°
Closest distance between its orbit and Earth's (MOID)1.50 au

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

More named asteroids discovered by J. Comas Sola