(9823) Annantalova Main-belt Asteroid

Discovered on 26 March 1971 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.

Anna Antalová (b. 1936) has worked at the Astronomical Institute, Slovak Academy of Sciences, Tatranská Lomnica, since 1958. She made various analyses of solar phenomena and significant contributions to the study of solar flares as well as solar cycle characteristics. The name was suggested by D. Chochol.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL

Where Annantalova is today

MercuryVenusEarthEarthMarsMarsAnnantalovaAnnantalova

Seen from above the solar system on 2026-10-14: Annantalova is 2.26 au from the Sun and 3.19 au from Earth. Computed from JPL's orbital elements.

Facts

Number9823
Provisional designation4271 T-1
Orbit classMain-belt Asteroid
Diameter2.67 km (#15,927 largest of 17,440 named asteroids with a measured size)
Albedo0.394
Absolute magnitude (H)14.68
Orbital period3.68 years
Semi-major axis2.38 au
Perihelion – aphelion2.07 – 2.70 au
Eccentricity0.133
Inclination6.81°
Closest distance between its orbit and Earth's (MOID)1.06 au

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

Also named after someone called Anna

Also discovered on 26 March 1971

More named asteroids discovered by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T.