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The Minor Planet Observer
Palmer Divide Observatory

5468 Hamatonbetsu (2003)

MPC Designation: 1988 BK
Lightcurves Period (h): 42.02 0.05
Amplitude (mag): 0.43 0.03


Filter: C
MagBand: R
Telescope: 0.3m f/9.3 SCT
Camera: SBIG ST-9E
Exposure: 60


Obs. Details

Date              E Mag   Phase  PABL   PABB
2003-03-08 02:00  14.63    4.6  164.2    8.1
2003-03-09 02:00  14.64    4.8  164.2    8.2

Data Points: 172
Discovered: 1988-01-16  Kagoshima  M. Mukai, M. Takeishi
Family/Group: MB-Outer
Taxonomic Class: C (Assumed)
Published: MPB 30, 49-51
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Collboration with Robert D. Stephens, Santana/GMARS Observatories (lead on MPB paper). Only PDO data are shown.


Contents 2011 Brian D. Warner / Palmer Divide Observatory




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