(19704) Medlock Outer Main-belt Asteroid
Discovered on 7 October 1999 by S. Brady at Hudson.
Kevin Medlock (b. 1954) is a Californian award-winning telescope and instrument maker known for large aperture, research-grade telescopes. He constructed the 0.75-m reflector for the public program at Fremont Peak and helped restore the 0.5-m Brashear refractor at the Chabot Space and Science Center.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Medlock is today
Seen from above the solar system on 2026-10-14: Medlock is 3.49 au from the Sun and 3.86 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19704 |
| Provisional designation | 1999 TU8 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 11.3 km (#4,396 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0870 |
| Absolute magnitude (H) | 13.48 |
| Orbital period | 5.83 years |
| Semi-major axis | 3.24 au |
| Perihelion – aphelion | 2.96 – 3.52 au |
| Eccentricity | 0.0869 |
| Inclination | 2.75° |
| Closest distance between its orbit and Earth's (MOID) | 1.97 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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