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The Minor Planet Observer
and
Palmer Divide Observatory

2000 Herschel (2008)

MPC Designation: 1960 OA
Lightcurves Period (h): 130. 3.
Amplitude (mag): 1.16 0.05
Equipment:

 

Filter: r
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2008-12-11 06:00  13.47   29.3   46.7   27.6
2008-12-18 04:00  13.56   30.5   49.0   25.8
2008-12-19 05:00  13.58   30.6   49.3   25.5
2008-12-21 04:00  13.61   30.9   50.0   25.0
2008-12-27 05:00  13.71   31.9   52.3   23.3
2008-12-28 04:00  13.72   32.0   52.6   23.0
2008-12-29 04:00  13.74   32.2   53.0   22.7
2008-12-30 04:00  13.76   32.3   53.4   22.4
2009-01-03 04:00  13.83   32.9   55.0   21.3
2009-01-13 05:00  14.01   34.0   59.2   18.4

Data Points: 797
Discovered: 1960-07-29  Sonneberg  J. Schubart
Family/Group: Phocaea
Taxonomic Class: S
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)

This is almost certainly a tumbler, but the secondary period could not be established with the given data set.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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