(9566) Rykhlova Main-belt Asteroid

Discovered on 18 September 1987 by L. I. Chernykh at Nauchnyj.

Lidiya Vasil'evna Rykhlova, head of the Space Astrometry Department of the Institute of Astronomy, Russian Academy of Sciences, is a specialist in the astrometry and dynamics of artificial satellites and an expert on earth rotation. She is well known for her studies of near-Earth space and asteroid hazards.Naming citation (WGSBN Bull. 5, #28, 6), IAU / Minor Planet Center, via NASA/JPL

Where Rykhlova is today

MercuryVenusEarthEarthMarsMarsRykhlovaRykhlova

Seen from above the solar system on 2026-10-14: Rykhlova is 2.19 au from the Sun and 2.96 au from Earth. Computed from JPL's orbital elements.

Facts

Number9566
Provisional designation1987 SX17
Orbit classMain-belt Asteroid
Diameter9.25 km (#5,578 largest of 17,440 named asteroids with a measured size)
Albedo0.0650
Rotation period8.80 hours
Absolute magnitude (H)14.12
Orbital period3.62 years
Semi-major axis2.36 au
Perihelion – aphelion1.77 – 2.95 au
Eccentricity0.251
Inclination3.54°
Closest distance between its orbit and Earth's (MOID)0.760 au

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

Also discovered on 18 September 1987

More named asteroids discovered by L. I. Chernykh