(53640) Marche Main-belt Asteroid
Discovered on 26 February 2000 by CSS at Catalina.
Jordan Marché (b. 1955) is an astronomy educator in planetaria and astronomy colleges and universities from Pennsylvania to Nevada. He has written on American planetaria, astronomers and other astronomical topics. Jordan has also been an amateur telescope maker publishing articles on optical designs and tests.Naming citation (WGSBN Bull. 2, #7, 10), IAU / Minor Planet Center, via NASA/JPL
Where Marche is today
Seen from above the solar system on 2026-10-14: Marche is 2.41 au from the Sun and 3.12 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 53640 |
| Provisional designation | 2000 DT14 |
| Orbit class | Main-belt Asteroid |
| Diameter | 1.98 km (#17,059 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.260 |
| Absolute magnitude (H) | 15.81 |
| Orbital period | 3.21 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.94 – 2.41 au |
| Eccentricity | 0.108 |
| Inclination | 2.81° |
| Closest distance between its orbit and Earth's (MOID) | 0.953 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also named after someone called Jordan
All asteroids named after someone called Jordan
Also discovered on 26 February 2000
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- (16218) Mintakeyes
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- (27344) Vesevlada
- (27348) Mink
- (27349) Enos
- (28519) Sweetman
- (30022) Kathibaker
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- (47708) Jimhamilton
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