5547 Acadiau
| Discovery | |
|---|---|
| Discovered by | Carolyn S. Shoemaker |
| Discovery site | Palomar Observatory |
| Discovery date | 11 June 1980 |
| Designations | |
Named after | Acadia University |
| 1980 LE1, 1984 JW, 1990 VQ3 | |
| Orbital characteristics | |
| Epoch 2461000.5 (2025-Nov-21.0) | |
| Uncertainty parameter 0 | |
| Observation arc | 16655 days |
| Aphelion | 2.932631597204717 AU |
| Perihelion | 2.301282504407607 AU |
| 2.616957050806162 | |
| Eccentricity | 0.1206265675247939 |
| 4.233534418541966 years | |
| 298.0086471245471° | |
| 0.2328140475369059° per day | |
| Inclination | 12.7104477359241° |
| 338.00262° | |
| Star | Sun |
| Earth MOID | 1.29549 AU |
| Mercury MOID | 1.85071 AU |
| Venus MOID | 1.58343 AU |
| Mars MOID | 0.74096 AU |
| Jupiter MOID | 2.07431 AU |
| Saturn MOID | 6.17369 AU |
| Uranus MOID | 16.0061 AU |
| Neptune MOID | 26.865 AU |
| Physical characteristics | |
| Albedo | 0.231 |
| 12.57 | |
5547 Acadiau is a Main-belt Asteroid,[1][2] first observed by Carolyn S. Shoemaker on 11 June, 1980 at Palomar Observatory[1][2] with a diameter of about 9.1 Kilometres (5.6 Miles).[1]
Naming
5547 Acadiau is named in honor of Acadia University, Wolfville, Nova Scotia.[3] Founded in 1838, it is regarded as one of Canada's finest Liberal Arts institutions.[2][4] The naming proposal was submitted by David H. Levy. It is one of the 15 'Nova Scotia Asteroids'—Asteroids named after people or places related to Nova Scotia.[5] It recived the primary provisional designation 1980 LE1, secondary provisional designation 1984 JW, and the tertiary provisional designation 1990 VQ3.[1][2][4] Its SPKID is 20005547.[1]
Orbital elements
Acadiau orbits the Sun in the main asteroid belt, with a perihelion of approximately 2.77 AU and an inclination of roughly 12.71° with respect to the ecliptic.[1] It has a somewhat high eccentricity of about 0.12.[1] It completes one orbit around the sun in approximately 4.23 years.[6] It completes a rotation on its axis every 3.64 hours.[6]
References
- ↑ 1.0 1.1 1.2 1.3 1.4 1.5 1.6 "Small-Body Database Lookup". ssd.jpl.nasa.gov. Archived from the original on 2026-01-20. Retrieved 2026-01-23.
- ↑ 2.0 2.1 2.2 2.3 "IAU Minor Planet Center". www.minorplanetcenter.net. Retrieved 2026-01-23.
- ↑ Schmadel, Lutz (11 June 2012). Dictionary of Minor Planet Names (6th ed.). ISBN 9783642297175.CS1 maint: Date and year (link) Search this book on
- ↑ 4.0 4.1 "Asteroid (5547) Acadiau". RASC. 2011-06-12. Retrieved 2026-02-15.
- ↑ Roy Bishop; Judy Black (December 2025). "Nothing Minor" (PDF). Journal of the Royal Astronomical Society of Canada. 19.
- ↑ 6.0 6.1 "Asteroid Acadiau | Space Reference". www.spacereference.org. Retrieved 2026-06-30.
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