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The Minor Planet Observer
and
Palmer Divide Observatory

12265 1990 FG (2011)

MPC Designation: 1990 FG
Lightcurves Period (h): 56.6 ± 0.5
Amplitude (mag): 0.65 ± 0.03
Equipment:

 

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

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2011-03-02 07:00  16.11    7.8  160.1   11.7
2011-03-03 07:00  16.11    7.8  160.0   11.5
2011-03-03 08:00  16.11    7.8  160.0   11.5
2011-03-05 07:00  16.11    7.9  160.0   11.1
2011-03-10 07:00  16.17    9.0  159.9    9.9
2011-03-10 09:00  16.17    9.1  159.9    9.9
2011-03-11 07:00  16.19    9.4  159.9    9.7
2011-03-12 07:00  16.21    9.8  159.9    9.5
2011-03-14 07:00  16.25   10.6  159.9    9.0
2011-03-15 07:00  16.28   11.1  159.9    8.8
2011-03-16 07:00  16.30   11.5  159.9    8.5
2011-03-23 05:00  16.49   14.9  160.0    6.9
2011-03-23 09:00  16.50   15.0  160.0    6.8

Data Points: 454
Discovered: 1990-03-23  Palomar  E. F. Helin
Family/Group: Hugaria
Taxonomic Class: ES (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)

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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