(17139) Malyshev Main-belt Asteroid
Discovered on 12 May 1999 by LINEAR at Socorro.
Denis Alexandrovich Malyshev (b. 1986) was awarded first place and Best in Category in the 2003 Intel International Science and Engineering Fair for his chemistry project. He attends the Moscow Chemical Lyceum, Moscow, Russia.Naming citation (20040614/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Malyshev is today
Seen from above the solar system on 2026-10-14: Malyshev is 2.43 au from the Sun and 2.04 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 17139 |
| Provisional designation | 1999 JS86 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.15 km (#14,821 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.371 |
| Rotation period | 4.20 hours |
| Absolute magnitude (H) | 14.64 |
| Orbital period | 3.64 years |
| Semi-major axis | 2.37 au |
| Perihelion – aphelion | 2.07 – 2.67 au |
| Eccentricity | 0.127 |
| Inclination | 6.59° |
| Closest distance between its orbit and Earth's (MOID) | 1.06 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Denis
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- (79849) Denismourard
- (184315) Denisbogan
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- (597469) Denisleahy
All asteroids named after someone called Denis
Also discovered on 12 May 1999
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- (16060) Dahliadry
- (17124) Rishavalera
- (17125) Vijayakumar
- (17126) Sophiawang
- (17127) Ryanwestcott
- (17131) Paulazhu
- (17138) Burgosrosario
- (17140) Yangkevin
- (17141) Bhatia
- (17143) Andrewbrinton
- (17144) Laurenchen