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The Minor Planet Observer
and
Palmer Divide Observatory

7781 Townsend (2010)

MPC Designation: 1993 QT
Lightcurves Period (h): 81.1 ± 0.2
Amplitude (mag): 0.58 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2010-12-12 07:00  16.70   18.4  101.6   24.1
2010-12-13 07:00  16.69   18.1  101.7   24.1
2010-12-25 07:00  16.52   15.0  102.1   23.8
2010-12-26 07:00  16.51   14.8  102.1   23.7
2010-12-27 07:00  16.50   14.7  102.2   23.7
2010-12-29 07:00  16.49   14.3  102.2   23.6
2011-01-02 07:00  16.47   13.9  102.2   23.3
2011-01-03 07:00  16.47   13.9  102.3   23.2
2011-01-04 07:00  16.47   13.8  102.3   23.1
2011-01-05 07:00  16.47   13.8  102.3   23.1
2011-01-06 07:00  16.47   13.8  102.3   23.0
2011-01-07 07:00  16.47   13.9  102.3   22.9

Data Points: 768
Discovered: 1993-08-19  Palomar  E. F. Helin
Family/Group: Hungaria
Taxonomic Class: ES (Assumed)
Published: MPB 38, pending
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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