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The Minor Planet Observer
and
Palmer Divide Observatory

8021 Walter (2008)

MPC Designation: 1990 UO2
Lightcurves Period (h): 4.84 ± 0.01
Amplitude (mag): 0.07 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2008-08-12 07:00  16.20   20.7  335.6   33.0
2008-08-13 07:00  16.19   20.6  335.7   33.1
2008-08-14 07:00  16.18   20.5  335.8   33.1
2008-08-20 06:00  16.10   20.1  336.4   33.3
2008-08-21 07:00  16.09   20.0  336.5   33.4
2008-08-22 07:00  16.08   19.9  336.6   33.4

Data Points: 231
Discovered: 1990-10-22  Palomar  C. S. Shoemaker, D. H. Levy
Family/Group: Phocaea
Taxonomic Class: S (Assumed)
Published: MPB 36, 7-13
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

A solution of P = 9.68 h cannot be formally excluded.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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