(5860) Deankoontz Main-belt Asteroid
Discovered on 28 August 1981 by Z. Vavrova at Klet.
Dean Ray Koontz (b. 1945) is a contemporary American author. He is known for his best-selling suspense novels with elements of horror, fantasy, science fiction and mystery.Naming citation (MPC batch dated 2015-09-28), IAU / Minor Planet Center, via NASA/JPL
Where Deankoontz is today
Seen from above the solar system on 2026-10-14: Deankoontz is 2.32 au from the Sun and 2.13 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5860 |
| Provisional designation | 1981 QE1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.85 km (#13,098 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.366 |
| Absolute magnitude (H) | 14.15 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 1.94 – 2.91 au |
| Eccentricity | 0.200 |
| Inclination | 1.54° |
| Closest distance between its orbit and Earth's (MOID) | 0.950 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Dean
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