(18676) Zdenkaplavcova Main-belt Asteroid
Discovered on 30 March 1998 by P. Pravec at Ondrejov.
Czech radio astronomer Zdeňka Plavcová (b. 1930) was co-designer of the meteor radar of the Ondřejov Observatory that has been in operation since 1958. After 1969 she was a software specialist in the astronomy department of the University of California at Los Angeles.Naming citation (WGSBN Bull. 4, #9, 5), IAU / Minor Planet Center, via NASA/JPL
Where Zdenkaplavcova is today
Seen from above the solar system on 2026-10-14: Zdenkaplavcova is 2.41 au from the Sun and 1.91 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 18676 |
| Provisional designation | 1998 FE73 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.83 km (#15,608 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.384 |
| Absolute magnitude (H) | 14.81 |
| Orbital period | 4.22 years |
| Semi-major axis | 2.61 au |
| Perihelion – aphelion | 2.41 – 2.82 au |
| Eccentricity | 0.0781 |
| Inclination | 4.90° |
| Closest distance between its orbit and Earth's (MOID) | 1.42 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.