(20446) Karolinadziadura Mars-crossing Asteroid
Discovered on 14 May 1999 by LINEAR at Socorro.
Karolina Jadwiga Dziadura (b. 1995) is a Polish astronomer who earned her Ph.D. (2024) in planetary astronomy from Adam Mickiewicz University in Poznań. Her research focuses on the Yarkovsky effect, asteroid densities, and the determination of sizes, spin states, and shape models of minor planets from stellar occultations and photometric data.Naming citation (WGSBN Bull. 6, #11, 21), IAU / Minor Planet Center, via NASA/JPL
Where Karolinadziadura is today
Seen from above the solar system on 2026-10-14: Karolinadziadura is 2.91 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 20446 |
| Provisional designation | 1999 JB80 |
| Orbit class | Mars-crossing Asteroid |
| Rotation period | 6.40 hours |
| Absolute magnitude (H) | 14.0 |
| Orbital period | 3.49 years |
| Semi-major axis | 2.30 au |
| Perihelion – aphelion | 1.53 – 3.08 au |
| Eccentricity | 0.337 |
| Inclination | 22.6° |
| Closest distance between its orbit and Earth's (MOID) | 0.698 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 14 May 1999
- (17945) Hawass
- (19539) Anaverdu
- (19563) Brzezinska
- (23980) Ogden
- (29910) Segre
- (101811) Jakobkaup
- (101813) Elizabethmarston
- (192626) Glennunderhill