(16053) Brennan Main-belt Asteroid
Discovered on 10 May 1999 by LINEAR at Socorro.
James Brennan mentored a finalist in the 2003 Intel Science Talent Search, a science competition for high school seniors. He teaches at the Irondequoit High School, Rochester, New York.Naming citation (20030216/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Brennan is today
Seen from above the solar system on 2026-10-14: Brennan is 2.80 au from the Sun and 3.22 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16053 |
| Provisional designation | 1999 JA40 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.18 km (#12,321 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.306 |
| Absolute magnitude (H) | 14.2 |
| Orbital period | 4.80 years |
| Semi-major axis | 2.85 au |
| Perihelion – aphelion | 2.80 – 2.89 au |
| Eccentricity | 0.0156 |
| Inclination | 1.07° |
| Closest distance between its orbit and Earth's (MOID) | 1.82 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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