(5547) Acadiau Main-belt Asteroid
Discovered on 11 June 1980 by C. S. Shoemaker at Palomar.
Where Acadiau is today
Seen from above the solar system on 2026-10-14: Acadiau is 2.31 au from the Sun and 3.17 au from Earth. Computed from JPL's orbital elements.
Facts
| Number | 5547 |
| Provisional designation | 1980 LE1 |
| Orbit class | Main-belt Asteroid |
| Diameter | 9.18 km (#5,636 largest of 17,440 named asteroids with a measured size) |
| Albedo | 0.231 |
| Rotation period | 3.64 hours |
| Absolute magnitude (H) | 12.55 |
| Orbital period | 4.23 years |
| Semi-major axis | 2.62 au |
| Perihelion – aphelion | 2.30 – 2.93 au |
| Eccentricity | 0.121 |
| Inclination | 12.7° |
| Closest distance between its orbit and Earth's (MOID) | 1.30 au |
Data: NASA/JPL Small-Body Database and the IAU Minor Planet Center.