(174363) Donyork Main-belt Asteroid
Discovered on 5 October 2002 by Sloan Digital Sky Survey at Apache Point.
Don York (b. 1944) is an American astronomer, one of the founders of the Sloan Digital Sky Survey and its founding director. He is known for his work on interstellar and intergalactic gas and dust.Naming citation (20130127/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Donyork is today
Seen from above the solar system on 2026-10-14: Donyork is 2.98 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 174363 |
| Provisional designation | 2002 TW343 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.23 |
| Orbital period | 4.55 years |
| Semi-major axis | 2.75 au |
| Perihelion – aphelion | 2.49 – 3.00 au |
| Eccentricity | 0.0932 |
| Inclination | 10.4° |
| Closest distance between its orbit and Earth's (MOID) | 1.48 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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