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The Minor Planet Observer
and
Palmer Divide Observatory

25332 1999 KK6 (2012)

MPC Designation: 1999 KK6
Lightcurves Period (h): 4.8277 ± 0.0003
Amplitude (mag): 0.12 ± 0.01
Equipment:

 

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

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2012-07-18 07:00  16.26   26.0  311.0   35.8
2012-07-20 07:00  16.24   25.8  311.3   35.9
2012-07-21 07:00  16.24   25.8  311.4   36.0
2012-07-23 07:00  16.22   25.6  311.7   36.1
2012-07-24 07:00  16.21   25.5  311.8   36.1
2012-07-26 07:00  16.20   25.4  312.1   36.2
2012-08-13 07:00  16.06   25.3  314.3   36.2
2012-08-17 07:00  16.07   25.5  314.8   35.9
2012-08-19 07:00  16.08   25.6  315.1   35.8
2012-08-20 07:00  16.08   25.7  315.2   35.7
2012-08-21 07:00  16.09   25.8  315.3   35.6
2012-08-22 07:00  16.09   25.9  315.5   35.5
2012-08-25 07:00  16.11   26.2  315.9   35.2

Data Points: 228
Discovered: 1999-05-17  Socorro  LINEAR
Family/Group: Hungaria
Taxonomic Class: ES (Assumed)
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)

Followup to 2007 observations, when a period of 2.453/4.906 h was reported. There are distinct signs of a second period of 16.17 h. Attempts to fit the "primary" curve to the period of 4.906 h did not work. Simply put, the two results cannot both be right, even if they are fairly close. The 2007 data showed no signs of a secondary period and so that result may be a little more reliable because it was not "contaminated" by the secondary period.

 

Contents © 2012 Brian D. Warner / Palmer Divide Observatory

 

 

 

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