(1677) Tycho Brahe Main-belt Asteroid

Discovered on 6 September 1940 by Y. Vaisala at Turku.

Where Tycho Brahe is today

MercuryVenusEarthEarthMarsMarsTycho BraheTycho Brahe

Seen from above the solar system on 2026-10-14: Tycho Brahe is 2.80 au from the Sun and 3.02 au from Earth. Computed from JPL's orbital elements.

Facts

Number1677
Provisional designation1940 RO
Orbit classMain-belt Asteroid
Diameter11.8 km (#4,178 largest of 17,440 named asteroids with a measured size)
Albedo0.221
Rotation period3.85 hours
Absolute magnitude (H)11.71
Orbital period4.03 years
Semi-major axis2.53 au
Perihelion – aphelion2.26 – 2.80 au
Eccentricity0.106
Inclination14.9°
Closest distance between its orbit and Earth's (MOID)1.27 au

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

Also discovered on 6 September 1940

More named asteroids discovered by Y. Vaisala