(157258) Leach Main-belt Asteroid
Discovered on 12 September 2004 by Jarnac at Vail-Jarnac.
Sidney (“Sid”) Leach (b. 1951) and Gloria Leach (b. 1958) have spread their enthusiasm for astronomy around young people for years in schools and public events. Sid serves as president of the U.S. National Sharing the Sky Foundation, and Gloria plans his travels for astrophotography across the northern and southern hemispheres.Naming citation (20091202/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Leach is today
Seen from above the solar system on 2026-10-14: Leach is 3.04 au from the Sun and 3.98 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 157258 |
| Provisional designation | 2004 RL165 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 16.23 |
| Orbital period | 4.70 years |
| Semi-major axis | 2.81 au |
| Perihelion – aphelion | 2.28 – 3.34 au |
| Eccentricity | 0.189 |
| Inclination | 2.76° |
| Closest distance between its orbit and Earth's (MOID) | 1.27 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Gloria
All asteroids named after someone called Gloria