(6543) Senna Main-belt Asteroid
Discovered on 11 October 1985 by Shoemaker, C. S., Shoemaker, E. M. at Palomar.
👶 Senna as a baby name🐶 Senna as a dog name
Where Senna is today
Seen from above the solar system on 2026-10-14: Senna is 1.82 au from the Sun and 1.16 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 6543 |
| Provisional designation | 1985 TP3 |
| Orbit class | Main-belt Asteroid |
| Diameter | 3.39 km (#14,250 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.337 |
| Rotation period | 3.30 hours |
| Absolute magnitude (H) | 14.55 |
| Orbital period | 3.43 years |
| Semi-major axis | 2.28 au |
| Perihelion – aphelion | 1.79 – 2.76 au |
| Eccentricity | 0.213 |
| Inclination | 4.17° |
| Closest distance between its orbit and Earth's (MOID) | 0.795 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.
Also discovered on 11 October 1985
- (3640) Gostin
- (3793) Leonteus
- (4253) Marker
- (4892) Chrispollas
- (5023) Agapenor
- (12227) Penney
- (27706) Strogen