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The Minor Planet Observer
and
Palmer Divide Observatory

1203 Nanna (2009)

MPC Designation: 1931 TA
Lightcurves Period (h): 18.54 0.01
Amplitude (mag): 0.12 0.02
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-09-04 07:00  15.31   10.8  321.2    7.6
2009-09-05 07:00  15.32   11.2  321.3    7.6
2009-09-06 07:00  15.34   11.6  321.3    7.6
2009-09-07 07:00  15.36   11.9  321.4    7.5
2009-09-08 07:00  15.38   12.3  321.4    7.5
2009-09-09 07:00  15.39   12.7  321.5    7.5
2009-09-17 07:00  15.53   15.5  322.0    7.3
2009-09-18 07:00  15.55   15.8  322.1    7.3
2009-09-19 07:00  15.57   16.1  322.2    7.3
2009-09-20 07:00  15.58   16.4  322.3    7.2

Data Points: 287
Discovered: 1931-10-05  Heidelberg  M. F. Wolf
Family/Group: MB-Outer
Taxonomic Class: C (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)

Period originally reported as 25.8 h (MPB 37, 24-27).

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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