(4356) Marathon Main-belt Asteroid
Discovered on 17 October 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
Where Marathon is today
Seen from above the solar system on 2026-10-14: Marathon is 3.02 au from the Sun and 2.05 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 4356 |
| Provisional designation | 9522 P-L |
| Orbit class | Main-belt Asteroid |
| Diameter | 11.5 km (#4,329 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.0820 |
| Absolute magnitude (H) | 13.26 |
| Orbital period | 4.69 years |
| Semi-major axis | 2.80 au |
| Perihelion – aphelion | 2.26 – 3.34 au |
| Eccentricity | 0.192 |
| Inclination | 7.46° |
| Closest distance between its orbit and Earth's (MOID) | 1.26 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 17 October 1960
- (1813) Imhotep
- (2082) Galahad
- (2319) Aristides
- (2412) Wil
- (2495) Noviomagum
- (3279) Solon
- (3604) Berkhuijsen
- (3734) Waland
- (4355) Memphis
- (4907) Zoser
- (5012) Eurymedon
- (5148) Giordano