(27656) Aleblain Main-belt Asteroid
Discovered on 26 July 1974 by M. R. Cesco at El Leoncito.
Alejandro “Ale” Blain (b. 1958) is an Argentine amateur astronomer. He is well known for his work to popularize astronomy in Argentina and for his cooperation with several professional astronomers.Naming citation (WGSBN Bull. 5, #23, 7), IAU / Minor Planet Center, via NASA/JPL
Where Aleblain is today
Seen from above the solar system on 2026-10-14: Aleblain is 2.85 au from the Sun and 3.45 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 27656 |
| Provisional designation | 1974 OU1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.81 km (#5,219 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.167 |
| Absolute magnitude (H) | 12.83 |
| Orbital period | 5.26 years |
| Semi-major axis | 3.02 au |
| Perihelion – aphelion | 2.85 – 3.20 au |
| Eccentricity | 0.0591 |
| Inclination | 10.2° |
| Closest distance between its orbit and Earth's (MOID) | 1.85 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.