Leonid Vladimirovich Elenin is a Russian amateur astronomer working with the ISON-NM observatory (H15) via the International Sceintific Optical Network (ISON) which is the first Russian remote observatory in the West.

Leonid Elenin works for Keldysh Institute of Applied Mathematics

Keldysh Institute of Applied Mathematics

The Keldysh Institute of Applied Mathematics of the Russian Academy of Sciences is a research institute specializing in computational mathematics....

 and lives in Lyubertsy

Lyubertsy

Lyubertsy is a city and the administrative center of Lyuberetsky District of Moscow Oblast, Russia. Population: Lyubertsy was founded in 1623, and it became a city in 1925.-Notable people:*Sergei Abeltsev, LDPR politician...

, Moscow region, Russia

Russia

Russia or , officially known as both Russia and the Russian Federation , is a country in northern Eurasia. It is a federal semi-presidential republic, comprising 83 federal subjects...

.

Leonid Elenin is best known for discovering the comet C/2010 X1

C/2010 X1

Comet C/2010 X1 is a long-period comet discovered by Russian amateur astronomer Leonid Elenin on December 10, 2010, through remote control of the International Scientific Optical Network's robotic observatory near Mayhill, New Mexico, U.S.A...

 on 10 December 2010. Elenin then discovered comet P/2011 NO1

P/2011 NO1

P/ is a periodic comet with a preliminary orbital period estimated at 13 ± 0.16 years. It came to perihelion around 20 January 2011 at 1.2 AU from the Sun. The orbit is preliminary as it has only been observed over an observation-arc of 22 days...

 on 7 July 2011.

The first asteroid discovered by Leonid Elenin was 2008 XE on 1 December 2008 at Tzec (H10). The first amor asteroid

Amor asteroid

The Amor asteroids are a group of near-Earth asteroids named after the asteroid 1221 Amor. They approach the orbit of the Earth from beyond, but do not cross it. Most Amors do cross the orbit of Mars...

 (Near-Earth object

Near-Earth object

A near-Earth object is a Solar System object whose orbit brings it into close proximity with the Earth. All NEOs have a perihelion distance less than 1.3 AU. They include a few thousand near-Earth asteroids , near-Earth comets, a number of solar-orbiting spacecraft, and meteoroids large enough to...

) discovered by Elenin was on 10 September 2010 at ISON-NM (H15).

Elenin has also discovered the trailing L5 Jupiter trojan  on 23 August 2011, the Mars-crossing asteroid on 25 August 2011, and the amor asteroid (Near-Earth object) on 27 August 2011.