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The Minor Planet Observer
and
Palmer Divide Observatory

3642 Frieden (2006)

MPC Designation: 1953 XL1
Lightcurves Period (h): 14.491 0.003
Amplitude (mag): 0.13 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/10 SCT
Camera: SBIG ST-9E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2006-03-25 04:00  14.70    7.2  189.3   14.7
2006-03-27 08:00  14.69    7.0  189.4   14.8
2006-03-31 07:00  14.69    7.0  189.4   15.0
2006-04-02 06:00  14.70    7.1  189.4   15.0
2006-04-03 06:00  14.71    7.2  189.4   15.1
2006-04-04 04:00  14.71    7.3  189.4   15.1
2006-04-06 04:00  14.74    7.6  189.5   15.2
2006-04-08 06:00  14.76    8.1  189.5   15.2

Data Points: 446
Discovered: 1953-12-04  Sonneberg  H. Gessner
Family/Group: MB-Outer
Taxonomic Class: C (Assumed)
Published: MPB 33, 85-88
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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