(1545) Thernoe Main-belt Asteroid

Discovered on 15 October 1941 by L. Oterma at Turku.

Where Thernoe is today

MercuryVenusEarthEarthMarsMarsThernoeThernoe

Seen from above the solar system on 2026-10-14: Thernoe is 2.78 au from the Sun and 3.55 au from Earth. Computed from JPL's orbital elements.

Facts

Number1545
Provisional designation1941 UW
Orbit classMain-belt Asteroid
Diameter18.7 km (#2,398 largest of 17,440 named asteroids with a measured size)
Albedo0.0970
Rotation period17.2 hours
Spectral typeK
Absolute magnitude (H)11.8
Orbital period4.61 years
Semi-major axis2.77 au
Perihelion – aphelion2.11 – 3.43 au
Eccentricity0.237
Inclination2.95°
Closest distance between its orbit and Earth's (MOID)1.13 au

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

Also discovered on 15 October 1941

More named asteroids discovered by L. Oterma