(21389) Pshenichka Main-belt Asteroid
Discovered on 20 March 1998 by LINEAR at Socorro.
Paul Pshenichka (b. 1946), a 2004 Intel International Science and Engineering Fair Excellence in Teaching Award finalist, is a teacher at the Chernivtsi City Lyceum No. 1, Chernivtsi, Ukraine.Naming citation (20041226/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Pshenichka is today
Seen from above the solar system on 2026-10-14: Pshenichka is 2.19 au from the Sun and 1.72 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 21389 |
| Provisional designation | 1998 FX27 |
| Orbit class | Main-belt Asteroid |
| Rotation period | 12.5 hours |
| Absolute magnitude (H) | 15.88 |
| Orbital period | 3.27 years |
| Semi-major axis | 2.20 au |
| Perihelion – aphelion | 2.07 – 2.34 au |
| Eccentricity | 0.0613 |
| Inclination | 1.99° |
| Closest distance between its orbit and Earth's (MOID) | 1.08 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Paul
- (3743) Pauljaniczek
- (4148) McCartney
- (4194) Sweitzer
- (5065) Johnstone
- (5553) Chodas
- (5997) Dirac
- (6226) Paulwarren
- (6384) Kervin
- (6629) Kurtz
- (6726) Suthers
- (6870) Pauldavies
- (7560) Spudis
All asteroids named after someone called Paul
Also discovered on 20 March 1998
- (8744) Cilla
- (8745) Delaney
- (8954) Baral
- (9126) Samcoulson
- (9243) Alag
- (9454) Ardeishar
- (11169) Alkon
- (11170) Bradenmilford
- (11173) Jayanderson
- (11174) Carandrews
- (11176) Batth
- (11685) Adamcurry