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The Minor Planet Observer
and
Palmer Divide Observatory

7247 1991 TD1 (2012)

MPC Designation: 1991 TD1
Lightcurves Period (h): 6.351 ± 0.001
Amplitude (mag): 0.17 ± 0.01
Equipment:

 

Filter: C
MagBand: V
Telescope: 0.35m f/9.1 SCT
Camera: SBIG STL-1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2012-09-14 07:00  16.04   18.8  335.3   18.6
2012-09-15 07:00  16.05   19.1  335.4   18.4
2012-09-16 07:00  16.06   19.4  335.5   18.1
2012-09-18 07:00  16.09   20.0  335.7   17.5
2012-09-19 07:00  16.10   20.3  335.8   17.2
2012-09-21 07:00  16.14   20.9  336.0   16.7
2012-09-22 07:00  16.15   21.3  336.2   16.4

Data Points: 311
Discovered: 1991-10-12  Siding Spring  R. H. McNaught
Family/Group: H
Taxonomic Class: ES (Assumed)
Published: MPB 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)

 

Contents © 2012 Brian D. Warner / Palmer Divide Observatory

 

 

 

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