(5154) Leonov Main-belt Asteroid

Discovered on 8 October 1969 by L. I. Chernykh at Nauchnyj.

Where Leonov is today

MercuryVenusEarthEarthMarsMarsLeonovLeonov

Seen from above the solar system on 2026-10-14: Leonov is 3.12 au from the Sun and 4.12 au from Earth. Computed from JPL's orbital elements.

Facts

Number5154
Provisional designation1969 TL1
Orbit classMain-belt Asteroid
Diameter14.4 km (#3,281 largest of 17,440 named asteroids with a measured size)
Albedo0.112
Absolute magnitude (H)12.76
Orbital period5.40 years
Semi-major axis3.08 au
Perihelion – aphelion2.73 – 3.42 au
Eccentricity0.111
Inclination2.87°
Closest distance between its orbit and Earth's (MOID)1.72 au

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

Also discovered on 8 October 1969

More named asteroids discovered by L. I. Chernykh