(7209) Cyrus Main-belt Asteroid
Discovered on 17 October 1960 by van Houten, C. J., van Houten-Groeneveld, I., Gehrels, T. at Palomar.
👶 Cyrus as a baby name🐶 Cyrus as a dog name
Where Cyrus is today
Seen from above the solar system on 2026-10-14: Cyrus is 2.56 au from the Sun and 2.56 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 7209 |
| Provisional designation | 3523 P-L |
| Orbit class | Main-belt Asteroid |
| Diameter | 6.42 km (#8,360 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.297 |
| Rotation period | 5.38 hours |
| Absolute magnitude (H) | 13.19 |
| Orbital period | 4.18 years |
| Semi-major axis | 2.59 au |
| Perihelion – aphelion | 2.47 – 2.72 au |
| Eccentricity | 0.0474 |
| Inclination | 8.85° |
| Closest distance between its orbit and Earth's (MOID) | 1.48 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
- (4356) Marathon
- (4907) Zoser
- (5012) Eurymedon