(344) Desiderata

From Wikipedia:
344 Desiderata is a very large (132 km) main-belt asteroid. It is classified as a C-type asteroid and is probably composed of carbonaceous material. It was discovered by Auguste Charlois on November 15, 1892, in Nice.

Link to CdR-CdL website: Click here


Observation Francois KUGEL with
  • 80mm F/5 refractor
  • ST8300 SBig CCD camera (2x2 binning)
  • IR 742nm cut-off filter
Processing Jerome CARON with AsPyLib library.

Official (MPC, Harris database) Measured (fit with 8 Fourier terms)
Rotation period (hours) 10.77 10.7458 +/- 0.0011
Rotation period (days) 0.449 0.44774 +/- 0.00005
Amplitude of mag variations 0.17 0.165

Magnitude during the observations: 11.9 to 12.0

Searching the period

Search of best fit using 6 harmonics.
Most likely period = 0.4477 days, this value corresponds to the official period.