(291) Alice Main-belt Asteroid

Discovered on 25 April 1890 by J. Palisa at Vienna.

Where Alice is today

MercuryVenusEarthEarthMarsMarsAliceAlice

Seen from above the solar system on 2026-10-14: Alice is 2.39 au from the Sun and 2.71 au from Earth. Computed from JPL's orbital elements.

Facts

Number291
Provisional designationA890 HA
Orbit classMain-belt Asteroid
Diameter10.5 km (#4,845 largest of 17,440 named asteroids with a measured size)
Albedo0.425
Rotation period4.31 hours
Absolute magnitude (H)11.54
Orbital period3.31 years
Semi-major axis2.22 au
Perihelion – aphelion2.02 – 2.43 au
Eccentricity0.0926
Inclination1.86°
Closest distance between its orbit and Earth's (MOID)1.03 au

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

Also discovered on 25 April 1890

More named asteroids discovered by J. Palisa