(168039) Eefalcoacosta Outer Main-belt Asteroid
Discovered on 1 June 2005 by Mt. Lemmon Survey at Mount Lemmon.
Emilio Eduardo Falco Acosta (b. 1954) is an Uruguayan-American astronomer who retired from the Smithsonian Astrophysical Observatory in 2020. He has more than 580 publications on gravitational lensing, extrasolar planets, and supernovae. He continues his decades-old effort to protect the natural night sky from the harmful effects of anthropogenic light.Naming citation (WGSBN Bull. 4, #11, 19), IAU / Minor Planet Center, via NASA/JPL
Where Eefalcoacosta is today
Seen from above the solar system on 2026-10-14: Eefalcoacosta is 3.23 au from the Sun and 2.33 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 168039 |
| Provisional designation | 2005 LR1 |
| Orbit class | Outer Main-belt Asteroid |
| Diameter | 7.14 km (#7,470 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0290 |
| Absolute magnitude (H) | 15.32 |
| Orbital period | 6.40 years |
| Semi-major axis | 3.45 au |
| Perihelion – aphelion | 2.98 – 3.92 au |
| Eccentricity | 0.136 |
| Inclination | 8.93° |
| Closest distance between its orbit and Earth's (MOID) | 1.97 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Emilio
All asteroids named after someone called Emilio