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The Minor Planet Observer
and
Palmer Divide Observatory

6271 Farmer (2005)

MPC Designation: 1991 NF
Lightcurves Period (h): 19.72 ± 0.02
Amplitude (mag): 0.13 ± 0.03
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/10 SCT
Camera: SBIG ST-9E
Exposure: 120

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2005-07-28 04:00  15.80   24.8  338.9   22.8
2005-07-29 04:00  15.79   24.6  339.0   23.0
2005-07-30 06:00  15.77   24.3  339.2   23.3
2005-07-31 04:00  15.75   24.1  339.3   23.5
2005-08-01 04:00  15.74   23.9  339.5   23.7
2005-08-02 04:00  15.72   23.6  339.6   23.9
2005-08-07 04:00  15.65   22.5  340.3   25.0
2005-08-08 04:00  15.64   22.2  340.4   25.2
2005-08-09 04:00  15.63   22.0  340.5   25.4

Data Points: 605
Discovered: 1991-07-09  Palomar  E. F. Helin
Family/Group: Hungaria
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)

Two periods also found in 2008, but both are considerably different.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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