(794) Irenaea Main-belt Asteroid

Discovered on 27 August 1914 by J. Palisa at Vienna.

Where Irenaea is today

MercuryVenusEarthEarthMarsMarsIrenaeaIrenaea

Seen from above the solar system on 2026-10-14: Irenaea is 3.32 au from the Sun and 2.50 au from Earth. Computed from JPL's orbital elements.

Facts

Number794
Provisional designationA914 QB
Orbit classMain-belt Asteroid
Diameter35.7 km (#1,122 largest of 17,440 named asteroids with a measured size)
Albedo0.0460
Rotation period9.14 hours
Absolute magnitude (H)11.41
Orbital period5.54 years
Semi-major axis3.13 au
Perihelion – aphelion2.21 – 4.05 au
Eccentricity0.295
Inclination5.42°
Closest distance between its orbit and Earth's (MOID)1.20 au

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

More named asteroids discovered by J. Palisa