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The Minor Planet Observer
and
Palmer Divide Observatory

4736 Johnwood (2009)

MPC Designation: 1983 AF2
Lightcurves Period (h): 6.217 ± 0.003
Amplitude (mag): 0.84 ± 0.02
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
2009-10-15 07:00  15.50   24.2   20.1   32.9
2009-10-16 07:00  15.50   24.3   20.2   32.9

Data Points: 187
Discovered: 1983-01-13  Palomar  C. S. Shoemaker
Family/Group: Hungaria
Taxonomic Class: ES (Assumed)
Published: MPB 37, 54-64
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Spin axis found using PDO and sparse data: (60, 60, 6.21576). This is a preliminary solution and will likely change some but the prograde sense of rotation should not.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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