(483636) Treanor Main-belt Asteroid
Discovered on 11 October 2004 by J. ZdanaviÄius K. Äernis at Moletai.
Fr. Patrick Treanor SJ (1920–1978) was an English astronomer noted for research on polarized light from stars and the interstellar medium. While at Oxford, he won the Johnson Memorial Prize for his doctoral thesis on interference phenomena. He served as director of the Vatican Observatory from 1970 until his death.Naming citation (WGSBN Bull. 3, #5, 16), IAU / Minor Planet Center, via NASA/JPL
Where Treanor is today
Seen from above the solar system on 2026-10-14: Treanor is 1.93 au from the Sun and 0.951 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 483636 |
| Provisional designation | 2004 TJ347 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 17.87 |
| Orbital period | 3.67 years |
| Semi-major axis | 2.38 au |
| Perihelion – aphelion | 1.87 – 2.89 au |
| Eccentricity | 0.216 |
| Inclination | 4.43° |
| Closest distance between its orbit and Earth's (MOID) | 0.860 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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