(121) Hermione
An interesting main belt asteroid. Details from the JPL small body database here. The object is a binary and has been subject to high resolution adaptive optics imaging using the VLT and Keck Telescopes. It has a bifurcated shape resembling a contact binary pair. It also has a small satellite that has been directly imaged using adaptive optics.
The data from the high resoultion imaging study may be seen here: http://astro.berkeley.edu/~fmarchis/Science/Asteroids/Hermione.html
| Period (hours) | 5.551 ± 0.0005 |
| Amplitude (mag) | ± 0.25 |
| Date range (mm/dd) | 2009 12/12-02/11 |
| Data Points | 319 |
| Equipment | 0.25m LX200 SCT, QHY6Pro
CCD
0.4m Ritchey Chretien + CCD at Tzec Maun |
| Observations/Processing | Darryl Sergison / D.Sergison |