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The Minor Planet Observer
and
Palmer Divide Observatory

1565 Lemaitre (2007)

MPC Designation: 1948 WA
Lightcurves Period (h): 11.403 0.003
Amplitude (mag): 0.04 0.01
Equipment:

 

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

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2007-08-11 07:00  14.34   27.3  337.6   31.6
2007-08-13 07:00  14.31   27.3  338.2   32.0
2007-08-26 07:00  14.15   27.4  341.6   34.1
2007-08-29 07:00  14.12   27.5  342.3   34.5
2007-08-31 07:00  14.10   27.6  342.9   34.7

Data Points: 179
Discovered: 1948-11-25  Uccle  S. J. Arend
Family/Group: Mars-crosser
Taxonomic Class: Sq
Published: MPB 35, 52
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

Collaboration with D.P. Pray. A solution of 22.85 h is also possible. Given the low amplitude, it's likely this was a pole-on apparition, i.e., the asteroid's pole was pointed close to the Earth's location.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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