A Shape Model of the Main-belt Asteroid 27 Euterpe
Abstract
We obtained dense rotational lightcurves for the mainbelt asteroid 27 Euterpe during four apparitions in 2000, 2009, 2010 and 2011. The analysis indicates retrograde rotation and suggests, but does not confirm, that Euterpe has albedo features making the determination of an unambiguous spin vector and model shape difficult. Euterpe's apparent nearly spherical shape, low inclination, and pole within about 35 degrees of the plane of the solar system, caused two pole and shape solutions to be present, differing by about 180° in longitude. We found solutions of (83°, -39°, 10.40825 ± 0.00003 h) and (261°, -30°, 10.40818 ± 0.00003 h). The approximate error in the pole solutions is ± 10 degrees.
- Publication:
-
Minor Planet Bulletin
- Pub Date:
- January 2012
- Bibcode:
- 2012MPBu...39....2S