(19454) Henrymarr Main-belt Asteroid
Discovered on 25 March 1998 by LINEAR at Socorro.
Henry Louis Marr (b. 1985) was awarded fourth place in the 2003 Intel International Science and Engineering Fair for his medicine and health project. He attends the Alhambra High School, Alhambra, California, U.S.A.Naming citation (20040830/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
Where Henrymarr is today
Seen from above the solar system on 2026-10-14: Henrymarr is 2.39 au from the Sun and 3.00 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 19454 |
| Provisional designation | 1998 FX127 |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.62 km (#16,009 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.371 |
| Rotation period | 14.5 hours |
| Absolute magnitude (H) | 14.61 |
| Orbital period | 3.61 years |
| Semi-major axis | 2.35 au |
| Perihelion – aphelion | 2.05 – 2.66 au |
| Eccentricity | 0.131 |
| Inclination | 7.13° |
| Closest distance between its orbit and Earth's (MOID) | 1.07 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Henry
- (4384) Henrybuhl
- (5891) Gehrig
- (9016) Henrymoore
- (10557) Rowland
- (10637) Heimlich
- (10753) van de Velde
- (12727) Cavendish
- (13806) Darmstrong
- (17857) Hsieh
- (18979) Henryfong
- (27365) Henryfitz
- (28118) Vaux
All asteroids named after someone called Henry
Also discovered on 25 March 1998
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- (19407) Standing Bear
- (29568) Gobbi-Belcredi
- (31271) Nallino
- (33230) Libbyrobertson
- (58750) Simonjeanne