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The Minor Planet Observer
and
Palmer Divide Observatory

2131 Mayall (2006)

MPC Designation: 1975 RA
Lightcurves Period (h): 2.5679 ± 0.0003
Amplitude (mag): 0.09 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1001E
Exposure: 60

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2006-07-23 08:00  14.11   16.5  319.5    6.2
2006-07-27 07:00  13.98   14.4  319.6    8.0
2006-07-31 07:00  13.89   12.8  319.6    9.8

Data Points: 194
Discovered: 1975-09-03  Mount Hamilton  A. R. Klemola
Family/Group: Hungaria
Taxonomic Class: S
Published: MPB 34, 23
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 asteroid would be discovered to be binary in 2010. There may have been slight indications of such in the 2006 data but they were overlooked.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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