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The Minor Planet Observer
and
Palmer Divide Observatory

5378 Ellyett (2011)

MPC Designation: 1991 GD
Lightcurves Period (h): 47.32 ± 0.05
Amplitude (mag): 0.48 ± 0.03
Equipment:

 

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

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2011-11-27 07:00  14.96    6.6   57.5    5.4
2011-11-28 07:00  14.99    7.1   57.5    5.1
2011-11-30 07:00  15.04    8.2   57.6    4.7
2011-12-07 07:00  15.26   12.5   58.0    3.1
2011-12-15 07:00  15.51   17.3   58.7    1.4
2011-12-17 07:00  15.57   18.4   58.9    0.9
2011-12-18 07:00  15.60   19.0   59.1    0.7
2011-12-19 07:00  15.63   19.5   59.2    0.5
2011-12-21 07:00  15.70   20.6   59.5    0.1
2011-12-24 07:00  15.79   22.1   59.9   -0.6
2011-12-25 07:00  15.82   22.5   60.1   -0.8
2011-12-26 07:00  15.85   23.0   60.3   -1.0
2011-12-27 07:00  15.88   23.4   60.5   -1.2
2011-12-28 07:00  15.91   23.9   60.6   -1.4
2012-01-01 07:00  16.02   25.5   61.4   -2.1
2012-01-02 07:00  16.05   25.9   61.7   -2.3

Data Points: 762
Discovered: 1991-04-09  Siding Spring  R. H. McNaught
Family/Group: Hungaria
Taxonomic Class: C
Published: MPB 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)

Very likely tumbling. The plot is phased to one of the possible periods.

 

Contents © 2012 Brian D. Warner / Palmer Divide Observatory

 

 

 

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