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The Minor Planet Observer
and
Palmer Divide Observatory

7870 1987 UP2 (2007)

MPC Designation: 1987 UP2
Lightcurves Period (h): 6.15 ± 0.02
Amplitude (mag): 0.07 ± 0.01
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 120

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2007-09-20 07:00  15.30   16.9  334.9    5.4
2007-09-22 07:00  15.34   18.0  335.2    5.3

Data Points: 123
Discovered: 1987-10-25  Brorfelde  P. Jensen
Family/Group: Mars-crosser
Taxonomic Class: S (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)

The low amplitude and span of two days makes many other solutions possible, included 12.3 h.

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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