(429033) Gunterwendt Main-belt Asteroid
Discovered on 13 February 2009 by F. Hormuth at Calar Alto.
Günter Wendt (1924-2010) was a German aeronautical engineer. After WWII he moved to the USA and joined the manned spaceflight program. He was pad leader during the Mercury, Gemini, Apollo and Skylab missions and was the person who closed the spacecraft hatch and bid farewell to launching astronauts.Naming citation (MPC batch dated 2016-11-14), IAU / Minor Planet Center, via NASA/JPL
Where Gunterwendt is today
Seen from above the solar system on 2026-10-14: Gunterwendt is 3.42 au from the Sun and 4.26 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 429033 |
| Provisional designation | 2009 CF5 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.50 km (#11,629 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0290 |
| Absolute magnitude (H) | 16.18 |
| Orbital period | 5.58 years |
| Semi-major axis | 3.15 au |
| Perihelion – aphelion | 2.56 – 3.73 au |
| Eccentricity | 0.186 |
| Inclination | 9.61° |
| Closest distance between its orbit and Earth's (MOID) | 1.54 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gunter
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