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The Minor Planet Observer
and
Palmer Divide Observatory

1750 Eckert (2009)

MPC Designation: 1950 NA1
Lightcurves Period (h): 375. 5.
Amplitude (mag): 0.87 0.05
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
2009-09-17 07:00  15.18   33.0   28.8   29.1
2009-09-18 07:00  15.16   32.8   29.2   29.2
2009-09-19 07:00  15.14   32.6   29.5   29.2
2009-09-20 07:00  15.13   32.4   29.9   29.3
2009-10-15 07:00  14.68   26.2   36.6   29.0
2009-10-16 07:00  14.66   25.9   36.9   29.0
2009-10-17 07:00  14.64   25.7   37.0   28.9
2009-10-18 07:00  14.63   25.4   37.3   28.8
2009-10-19 07:00  14.62   25.2   37.4   28.7
2009-10-20 07:00  14.60   24.9   37.6   28.6
2009-10-23 07:00  14.56   24.2   38.2   28.3
2009-10-24 07:00  14.55   24.0   38.4   28.2
2009-10-31 07:00  14.49   22.6   39.5   27.2
2009-11-02 07:00  14.48   22.3   39.8   26.9
2009-11-03 07:00  14.47   22.2   40.0   26.7
2009-11-04 07:00  14.47   22.1   40.1   26.5
2009-11-05 07:00  14.47   22.0   40.3   26.3
2009-11-06 07:00  14.46   21.9   40.5   26.1
2009-11-07 07:00  14.46   21.9   40.6   25.9
2009-11-08 07:00  14.47   21.8   40.8   25.7
2009-11-10 07:00  14.47   21.8   41.1   25.3
2009-11-11 07:00  14.47   21.8   41.2   25.1
2009-11-17 07:00  14.52   22.1   42.2   23.7

Data Points: 1764
Discovered: 1950-07-15  Heidelberg  K. Reinmuth
Family/Group: Hungaria
Taxonomic Class: S
Published: MPB 37, 57-64
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

The lightcurve shows obvious signs that this is a tumbler.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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