(210854) Stevejaskulek Main-belt Asteroid
Discovered on 20 August 2001 by M. W. Buie at Cerro Tololo.
Stephen E. Jaskulek (b. 1957) is an American senior systems engineer at the Johns Hopkins University Applied Physics Laboratory. He served as the Lead Engineer for the PEPSSI charged particle spectrometer aboard the New Horizons spacecraft during the Pluto and Arrokoth flybys and the exploration of the Kuiper Belt and outer heliosphere.Naming citation (WGSBN Bull. 4, #4, 9), IAU / Minor Planet Center, via NASA/JPL
Where Stevejaskulek is today
Seen from above the solar system on 2026-10-14: Stevejaskulek is 2.42 au from the Sun and 3.06 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 210854 |
| Provisional designation | 2001 QE317 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.54 km (#13,846 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0560 |
| Absolute magnitude (H) | 16.24 |
| Orbital period | 4.52 years |
| Semi-major axis | 2.73 au |
| Perihelion – aphelion | 2.27 – 3.19 au |
| Eccentricity | 0.168 |
| Inclination | 5.66° |
| Closest distance between its orbit and Earth's (MOID) | 1.28 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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