(16578) Essjayess Main-belt Asteroid
Discovered on 29 March 1992 by D. I. Steel at Siding Spring.
Shirley June Steel (née Parsons, b. 1932) is the mother of the discoverer.Naming citation (20070730/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Essjayess is today
Seen from above the solar system on 2026-10-14: Essjayess is 2.19 au from the Sun and 2.70 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 16578 |
| Provisional designation | 1992 FM1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.30 km (#12,052 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.347 |
| Absolute magnitude (H) | 13.98 |
| Orbital period | 3.40 years |
| Semi-major axis | 2.26 au |
| Perihelion – aphelion | 2.00 – 2.52 au |
| Eccentricity | 0.115 |
| Inclination | 24.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.02 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Shirley
All asteroids named after someone called Shirley