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The Minor Planet Observer
and
Palmer Divide Observatory

1613 Smiley (2005)

MPC Designation: 1950 SD
Lightcurves Period (h): 81.0 ± 0.1
Amplitude (mag): 0.30 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: FLI 1001E
Exposure: 150

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2005-12-16 10:00  14.76   23.1  128.8    4.2
2006-01-10 06:00  14.21   13.3  132.7    2.9
2006-01-13 06:00  14.14   11.8  133.0    2.7
2006-01-21 06:00  13.95    7.6  133.6    2.2
2006-01-22 06:00  13.92    7.0  133.7    2.2
2006-01-23 06:00  13.90    6.5  133.7    2.1
2006-01-24 04:00  13.87    6.0  133.8    2.0
2006-01-25 04:00  13.85    5.4  133.8    2.0
2006-01-27 06:00  13.79    4.2  134.0    1.8
2006-01-28 06:00  13.76    3.7  134.0    1.8
2006-01-30 06:00  13.69    2.5  134.1    1.6

Data Points: 561
Discovered: 1950-09-16  Uccle  S. J. Arend
Family/Group: MB-Outer
Taxonomic Class: Cgh
Published: MPB 33, 58-62
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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