(14429) Coyne Main-belt Asteroid
Discovered on 3 December 1991 by Shoemaker, C. S., Levy, D. H. at Palomar.
George Coyne (b. 1933), S.J., has been an astronomer at the Vatican Observatory since 1969 and its director since 1978. He has helped with the completion of the large Vatican telescope on Mt. Graham, Arizona. His polarimetric studies have centered on cataclysmic variables, among other subjects.Naming citation (20001111/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Coyne is today
Seen from above the solar system on 2026-10-14: Coyne is 2.14 au from the Sun and 3.08 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 14429 |
| Provisional designation | 1991 XC |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.73 km (#13,384 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.196 |
| Absolute magnitude (H) | 14.25 |
| Orbital period | 3.81 years |
| Semi-major axis | 2.44 au |
| Perihelion – aphelion | 1.71 – 3.17 au |
| Eccentricity | 0.300 |
| Inclination | 21.4° |
| Closest distance between its orbit and Earth's (MOID) | 0.870 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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