(19349) Denjoy Main-belt Asteroid
Discovered on 13 February 1997 by P. G. Comba at Prescott.
Arnaud Denjoy (1884-1974) was one of a group of French mathematicians (including Baire, Borel and Lebesgue) who in the early twentieth century initiated a new approach to the theory of functions of real variables, measure theory and integration.Naming citation (20010309/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Denjoy is today
Seen from above the solar system on 2026-10-14: Denjoy is 2.72 au from the Sun and 3.01 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19349 |
| Provisional designation | 1997 CF22 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.40 km (#11,833 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.302 |
| Absolute magnitude (H) | 13.92 |
| Orbital period | 4.66 years |
| Semi-major axis | 2.79 au |
| Perihelion – aphelion | 2.70 – 2.88 au |
| Eccentricity | 0.0334 |
| Inclination | 5.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.69 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Arnaud
All asteroids named after someone called Arnaud