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The Minor Planet Observer
and
Palmer Divide Observatory

1069 Planckia (2010)

MPC Designation: 1927 BC
Lightcurves Period (h): 8.665 0.005
Amplitude (mag): 0.42 0.02
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 300

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2010-01-30 07:00  14.03   11.5  100.2   -9.9
2010-01-31 07:00  14.05   11.8  100.2   -9.8
2010-02-01 07:00  14.06   12.1  100.3   -9.8
2010-02-02 07:00  14.08   12.3  100.3   -9.7

Data Points: 219
Discovered: 1927-01-28  Heidelberg  M.F. Wolf
Family/Group: MB-Outer
Taxonomic Class: S
Published: MPB 37, 112-118
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Originally reported in MPB 28, 40-41 with P = 10.58, A = 0.17, U = 2. A collaboration with G. Malcolm and R. Stephens in 2001 revised the period to 8.643 h (MPB 28, 71-72).

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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