(3836) Lem Main-belt Asteroid

Discovered on 22 September 1979 by N. S. Chernykh at Nauchnyj.

Where Lem is today

MercuryVenusEarthEarthMarsMarsLemLem

Seen from above the solar system on 2026-10-14: Lem is 2.30 au from the Sun and 1.33 au from Earth. Computed from JPL's orbital elements.

Facts

Number3836
Provisional designation1979 SR9
Orbit classMain-belt Asteroid
Diameter4.05 km (#12,609 largest of 17,440 named asteroids with a measured size)
Albedo0.367
Rotation period1.00 hours
Absolute magnitude (H)13.83
Orbital period3.35 years
Semi-major axis2.24 au
Perihelion – aphelion1.91 – 2.57 au
Eccentricity0.147
Inclination2.04°
Closest distance between its orbit and Earth's (MOID)0.892 au

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

Also discovered on 22 September 1979

More named asteroids discovered by N. S. Chernykh