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The Minor Planet Observer
and
Palmer Divide Observatory

42811 1999 JN81 (2007)

MPC Designation: 1999 JN81
Lightcurves Period (h): 3.902 ± 0.001
Amplitude (mag): 0.14 ± 0.03
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2007-07-16 07:00  15.87   29.9  287.8   38.6
2007-07-17 07:00  15.87   30.0  288.0   38.7
2007-07-21 07:00  15.88   30.5  288.8   38.8

Data Points: 168
Discovered: 1999-05-07  Socorro  LINEAR
Family/Group: Hungaria
Taxonomic Class: ES (Assumed)
Published: MPB 35, 56-60
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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