(1541) Estonia Main-belt Asteroid

Discovered on 12 February 1939 by Y. Vaisala at Turku.

Where Estonia is today

MercuryVenusEarthEarthMarsMarsEstoniaEstonia

Seen from above the solar system on 2026-10-14: Estonia is 2.60 au from the Sun and 3.49 au from Earth. Computed from JPL's orbital elements.

Facts

Number1541
Provisional designation1939 CK
Orbit classMain-belt Asteroid
Diameter22.0 km (#1,965 largest of 17,440 named asteroids with a measured size)
Albedo0.140
Rotation period12.9 hours
Spectral typeXc
Absolute magnitude (H)11.55
Orbital period4.61 years
Semi-major axis2.77 au
Perihelion – aphelion2.58 – 2.96 au
Eccentricity0.0674
Inclination4.87°
Closest distance between its orbit and Earth's (MOID)1.58 au

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

More named asteroids discovered by Y. Vaisala