(50428) Alexanderdessler Main-belt Asteroid
Discovered on 27 February 2000 by CSS at Catalina.
Alexander Dessler (b. 1928) is a space physicist who shaped understanding of how charged particles interact with magnetic fields of solar system objects. He first defined the existence and characteristics of the heliosphere, confirmed when Voyager 1 crossed the heliopause.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Alexanderdessler is today
Seen from above the solar system on 2026-10-14: Alexanderdessler is 2.60 au from the Sun and 2.93 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 50428 |
| Provisional designation | 2000 DZ15 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 15.45 |
| Orbital period | 4.27 years |
| Semi-major axis | 2.63 au |
| Perihelion – aphelion | 2.21 – 3.05 au |
| Eccentricity | 0.159 |
| Inclination | 6.42° |
| Closest distance between its orbit and Earth's (MOID) | 1.22 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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All asteroids named after someone called Alexander
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