(13658) Sylvester Main-belt Asteroid
Discovered on 18 March 1997 by P. G. Comba at Prescott.
James Joseph Sylvester (1814-1897) studied at Cambridge and was the founder, together with Cayley, of the theory of algebraic invariants. He taught at University College, London; at Johns Hopkins University (1877-1883), where he helped establish a graduate program in mathematics; and finally at Oxford.Naming citation (20000523/MPCPages.arc), IAU / Minor Planet Center, via NASA/JPL
👶 Sylvester as a baby name🐶 Sylvester as a dog name🐱 Sylvester as a cat name
Where Sylvester is today
Seen from above the solar system on 2026-10-14: Sylvester is 1.84 au from the Sun and 2.40 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 13658 |
| Provisional designation | 1997 FB |
| Orbit class | Main-belt Asteroid |
| Diameter | 2.27 km (#16,652 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.267 |
| Absolute magnitude (H) | 15.57 |
| Orbital period | 3.21 years |
| Semi-major axis | 2.18 au |
| Perihelion – aphelion | 1.83 – 2.52 au |
| Eccentricity | 0.159 |
| Inclination | 3.92° |
| Closest distance between its orbit and Earth's (MOID) | 0.823 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
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