(5617) Emelyanenko Main-belt Asteroid
Discovered on 5 March 1989 by E. F. Helin at Palomar.
Vyacheslav Emelyanenko (b. 1952), head of the department of theoretical mechanics at South Ural University, has made a lifetime study of celestial mechanics, with major contributions to understanding the dynamical evolution of comets, minor planets and meteoroid streams. The name was suggested by M. Bailey.Naming citation (20010109/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Emelyanenko is today
Seen from above the solar system on 2026-10-14: Emelyanenko is 2.08 au from the Sun and 2.85 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5617 |
| Provisional designation | 1989 EL |
| Orbit class | Main-belt Asteroid |
| Diameter | 4.75 km (#11,119 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.252 |
| Rotation period | 193 hours |
| Absolute magnitude (H) | 13.89 |
| Orbital period | 3.78 years |
| Semi-major axis | 2.43 au |
| Perihelion – aphelion | 2.07 – 2.78 au |
| Eccentricity | 0.145 |
| Inclination | 5.42° |
| Closest distance between its orbit and Earth's (MOID) | 1.10 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Vyacheslav
All asteroids named after someone called Vyacheslav
Also discovered on 5 March 1989
- (4104) Alu
- (4105) Tsia
- (4639) Minox
- (5327) Gertwilkens
- (5515) Naderi
- (5583) Braunerova
- (6126) Hubelmatt
- (6385) Martindavid
- (6856) Bethemmons