(113949) Bahcall Main-belt Asteroid
Discovered on 4 October 2002 by Sloan Digital Sky Survey at Apache Point.
John Norris Bahcall (1934-2005) was an American astrophysicist, best known for his contributions to the solar neutrino problem, models of stellar structure, his tireless advocacy of the Hubble Space Telescope, and for his leadership and development of the astrophysics program at the Institute for Advanced Study in Princeton.Naming citation (20090209/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Bahcall is today
Seen from above the solar system on 2026-10-14: Bahcall is 2.83 au from the Sun and 3.77 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 113949 |
| Provisional designation | 2002 TV313 |
| Orbit class | Main-belt Asteroid |
| Diameter | 7.25 km (#7,361 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0460 |
| Absolute magnitude (H) | 15.0 |
| Orbital period | 5.56 years |
| Semi-major axis | 3.14 au |
| Perihelion – aphelion | 2.58 – 3.70 au |
| Eccentricity | 0.177 |
| Inclination | 11.5° |
| Closest distance between its orbit and Earth's (MOID) | 1.61 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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