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The Minor Planet Observer
and
Palmer Divide Observatory

1010 Marlene (2005)

MPC Designation: 1923 PF
Lightcurves Period (h): 31.06 0.02
Amplitude (mag): 0.32 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1024 SITe
Exposure: 150

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2005-01-20 06:00  14.58    4.2  109.8    1.1
2005-01-21 06:00  14.61    4.6  109.8    1.1
2005-02-05 06:00  14.98   10.1  110.0    1.3
2005-02-10 06:00  15.09   11.7  110.1    1.4
2005-02-25 06:00  15.40   15.5  111.1    1.5
2005-02-26 06:00  15.42   15.7  111.2    1.6
2005-03-01 06:00  15.48   16.3  111.4    1.6
2005-03-03 06:00  15.52   16.6  111.6    1.6

Data Points: 438
Discovered: 1923-11-12  Heidelberg  K. Reinmuth
Family/Group: MB-Outer
Taxonomic Class: C (Assumed)
Published: MPB 32, 54-58
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 modeling by Hanus and Durech in 2010 confirmed the period given here.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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