(918) Itha Main-belt Asteroid

Discovered on 22 August 1919 by K. Reinmuth at Heidelberg.

Where Itha is today

MercuryVenusEarthEarthMarsMarsIthaItha

Seen from above the solar system on 2026-10-14: Itha is 2.41 au from the Sun and 1.44 au from Earth. Computed from JPL's orbital elements.

Facts

Number918
Provisional designationA919 QD
Orbit classMain-belt Asteroid
Diameter21.6 km (#2,011 largest of 17,440 named asteroids with a measured size)
Albedo0.224
Rotation period3.47 hours
Absolute magnitude (H)10.73
Orbital period4.85 years
Semi-major axis2.87 au
Perihelion – aphelion2.33 – 3.40 au
Eccentricity0.188
Inclination12.1°
Closest distance between its orbit and Earth's (MOID)1.32 au

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

More named asteroids discovered by K. Reinmuth