(15220) Sumerkin Main-belt Asteroid
Discovered on 28 September 1981 by L. V. Zhuravleva at Nauchnyj.
Yurij Vasil'evich Sumerkin (b. 1935) is a well-known Russian scientist in the field of ship mechanical engineering, ship building and ship repair. He is an author of more than 100 scientific and educational works, including eight textbooks on the technology of ship mechanical engineering.Naming citation (20051215/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Sumerkin is today
Seen from above the solar system on 2026-10-14: Sumerkin is 2.37 au from the Sun and 2.61 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 15220 |
| Provisional designation | 1981 SC7 |
| Orbit class | Main-belt Asteroid |
| Absolute magnitude (H) | 13.91 |
| Orbital period | 4.03 years |
| Semi-major axis | 2.53 au |
| Perihelion – aphelion | 1.91 – 3.15 au |
| Eccentricity | 0.243 |
| Inclination | 8.65° |
| Closest distance between its orbit and Earth's (MOID) | 0.919 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.