(615914) Sziszferenc Inner Main-belt Asteroid
Discovered on 17 September 2004 by K. Sarneczky at Piszkesteto.
Ferenc Szisz (1873–1944) was a Hungarian-born French mechanical engineer, inventor, and the winner of the first Grand Prix motor racing event on 1906 June 26. His inventions include the first controlled self-ignition engine and a compressed air starter.Naming citation (WGSBN Bull. 6, #7, 11), IAU / Minor Planet Center, via NASA/JPL
Where Sziszferenc is today
Seen from above the solar system on 2026-10-14: Sziszferenc is 1.74 au from the Sun and 1.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 615914 |
| Provisional designation | 2004 SZ2 |
| Orbit class | Inner Main-belt Asteroid |
| Absolute magnitude (H) | 18.03 |
| Orbital period | 2.72 years |
| Semi-major axis | 1.95 au |
| Perihelion – aphelion | 1.74 – 2.16 au |
| Eccentricity | 0.108 |
| Inclination | 19.3° |
| Closest distance between its orbit and Earth's (MOID) | 0.795 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.