(5964) Johnjunkins Main-belt Asteroid
Discovered on 23 August 1990 by H. E. Holt at Palomar.
American academic John L. Junkins (b. 1943) is a distinguished professor of aerospace engineering and holder of the Royce E. Wisenbaker Chair of Innovation in the Department of Aerospace Engineering at Texas A&M University. His primary research specializes in spacecraft guidance, navigation, and control, especially with applications to astrodynamics.Naming citation (WGSBN Bull. 4, #16, 12), IAU / Minor Planet Center, via NASA/JPL
Where Johnjunkins is today
Seen from above the solar system on 2026-10-14: Johnjunkins is 3.69 au from the Sun and 4.50 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5964 |
| Provisional designation | 1990 QN4 |
| Orbit class | Main-belt Asteroid |
| Diameter | 13.2 km (#3,662 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0860 |
| Absolute magnitude (H) | 12.96 |
| Orbital period | 5.34 years |
| Semi-major axis | 3.06 au |
| Perihelion – aphelion | 2.11 – 4.00 au |
| Eccentricity | 0.308 |
| Inclination | 3.39° |
| Closest distance between its orbit and Earth's (MOID) | 1.12 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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