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The Minor Planet Observer
and
Palmer Divide Observatory

6444 1989 WW (2009)

MPC Designation: 1989 WW
Lightcurves Period (h): 7.9290 ± 0.0005
Amplitude (mag): 0.98 ± 0.03
Equipment:

 

Filter: R
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-11-19 07:00  15.43   11.5   71.9   -5.2
2009-11-20 07:00  15.41   10.8   72.0   -5.1
2009-11-21 07:00  15.39   10.2   72.1   -5.1
2009-11-22 07:00  15.36    9.5   72.2   -5.0
2009-11-23 07:00  15.34    8.8   72.3   -4.9
2009-11-24 07:00  15.32    8.2   72.4   -4.9
2009-11-30 09:00  15.19    4.4   72.9   -4.5
2009-12-10 07:00  15.29    4.8   73.7   -3.7

Data Points: 507
Discovered: 1989-11-20  Toyota  K. Suzuki, T. Urata
Family/Group: Mars-crosser
Taxonomic Class: C
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)

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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