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The Minor Planet Observer
and
Palmer Divide Observatory

7579 1990 TN1 (2007)

MPC Designation: 1990 TN1
Lightcurves Period (h): 18.312 ± 0.001
Amplitude (mag): 1.10 ± 0.03
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/10 SCT
Camera: SBIG ST-9E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2007-12-18 07:00  15.86   15.4   75.1   21.5
2007-12-19 07:00  15.87   15.7   75.2   21.4
2007-12-20 07:00  15.88   15.9   75.2   21.3
2007-12-21 06:00  15.89   16.1   75.3   21.2
2007-12-23 06:00  15.91   16.6   75.4   21.0
2007-12-29 06:00  16.00   18.3   75.9   20.2
2008-01-01 00:00  16.05   19.2   76.1   19.8
2008-01-02 07:00  16.07   19.6   76.3   19.6
2008-01-05 06:00  16.13   20.5   76.6   19.2

Data Points: 704
Discovered: 1990-10-14  Palomar  E. F. Helin
Family/Group: Hungaria
Taxonomic Class: S
Published: MPB 35, 95-98
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 © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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