(90383) Johnloiacono Main-belt Asteroid
Discovered on 16 November 2003 by CSS at Catalina.
John Loiacono (b. 1962) is the Deputy Project Manager for the OSIRIS-REx Asteroid Sample Return Mission. He also served as the IRIS Mission Manager, the ICESat-2 Project Manager, the Instrument Systems Manager on the EOS/Aura project, and the Deputy Experiment Manager for the HST Imaging Spectrograph.Naming citation (MPC batch dated 2014-07-12), IAU / Minor Planet Center, via NASA/JPL
Where Johnloiacono is today
Seen from above the solar system on 2026-10-14: Johnloiacono is 3.22 au from the Sun and 3.95 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 90383 |
| Provisional designation | 2003 WN89 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.38 |
| Orbital period | 4.31 years |
| Semi-major axis | 2.65 au |
| Perihelion – aphelion | 2.07 – 3.22 au |
| Eccentricity | 0.217 |
| Inclination | 1.70° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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