(19504) Vladalekseev Main-belt Asteroid
Discovered on 1 June 1998 by E. W. Elst at La Silla.
Vladimir Alekseev (b. 1935), a physicist at the Troitsk Institute in the Moscow region, has searched the Tunguska site for pieces of the impacting body. He made radar measurements up to a depth of 80 meters.Naming citation (20060219/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Vladalekseev is today
Seen from above the solar system on 2026-10-14: Vladalekseev is 3.05 au from the Sun and 2.46 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19504 |
| Provisional designation | 1998 LL2 |
| Orbit class | Main-belt Asteroid |
| Diameter | 8.94 km (#5,798 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.153 |
| Rotation period | 9.46 hours |
| Absolute magnitude (H) | 13.23 |
| Orbital period | 5.17 years |
| Semi-major axis | 2.99 au |
| Perihelion – aphelion | 2.84 – 3.13 au |
| Eccentricity | 0.0487 |
| Inclination | 11.0° |
| Closest distance between its orbit and Earth's (MOID) | 1.86 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Vladimir
- (1783) Albitskij
- (3159) Prokof'ev
- (4870) Shcherban'
- (5955) Khromchenko
- (6167) Narmanskij
- (6622) Matvienko
- (6684) Volodshevchenko
- (6774) Vladheinrich
- (6844) Shpak
- (7153) Vladzakharov
- (7232) Nabokov
- (7373) Stashis
All asteroids named after someone called Vladimir
Also discovered on 1 June 1998
- (9468) Brewer
- (12111) Ulm
- (12534) Janhoet
- (12867) Joeloic
- (38018) Louisneefs
- (38019) Jeanmariepelt
- (42697) Lucapaolini
- (100924) Luctuymans