(2313) Aruna Main-belt Asteroid

Discovered on 15 October 1976 by H. L. Giclas at Anderson Mesa.

Where Aruna is today

MercuryVenusEarthEarthMarsMarsArunaAruna

Seen from above the solar system on 2026-10-14: Aruna is 2.02 au from the Sun and 1.13 au from Earth. Computed from JPL's orbital elements.

Facts

Number2313
Provisional designation1976 TA
Orbit classMain-belt Asteroid
Diameter15.1 km (#3,124 largest of 17,440 named asteroids with a measured size)
Albedo0.0450
Rotation period8.90 hours
Absolute magnitude (H)13.16
Orbital period3.85 years
Semi-major axis2.46 au
Perihelion – aphelion1.99 – 2.92 au
Eccentricity0.189
Inclination1.84°
Closest distance between its orbit and Earth's (MOID)0.983 au

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

More named asteroids discovered by H. L. Giclas