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The Minor Planet Observer
and
Palmer Divide Observatory

14395 Tommorgan (2012)

MPC Designation: 1990 TN3
Lightcurves Period (h): 35.5 ± 0.5
Amplitude (mag): 0.61 ± 0.05
Equipment:

 

Filter: C
MagBand: V
Telescope: 0.30m f/9.6 SCT
Camera: ST-9XE
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2012-11-05 07:00  16.54    9.3   38.7   11.5
2012-11-06 07:00  16.56    9.7   38.8   11.7
2012-11-07 07:00  16.58   10.2   38.8   11.9
2012-11-08 07:00  16.60   10.6   38.8   12.1
2012-11-12 07:00  16.70   12.7   39.1   12.9
2012-11-13 07:00  16.72   13.2   39.1   13.1
2012-11-14 07:00  16.75   13.7   39.2   13.3
2012-11-15 07:00  16.77   14.2   39.3   13.5
2012-11-16 07:00  16.80   14.8   39.4   13.7
2012-11-17 07:00  16.83   15.3   39.4   13.9
2012-11-18 07:00  16.85   15.8   39.5   14.1
2012-11-19 07:00  16.88   16.4   39.6   14.2
2012-11-20 07:00  16.91   16.9   39.7   14.4
2012-11-21 07:00  16.93   17.4   39.8   14.6
2012-11-22 07:00  16.96   17.9   39.9   14.7
2012-11-24 07:00  17.02   18.9   40.1   15.0
2012-11-25 07:00  17.05   19.4   40.3   15.2
2012-12-04 07:00  17.30   23.3   41.6   16.4
2012-12-07 07:00  17.38   24.4   42.2   16.7

Data Points: 963
Discovered: 1990-10-15  Palomar  E. F. Helin
Family/Group: Hungaria
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)

A tumbler. The period given is the dominant one. Petr Pravec found a second period of 40.4 h. However, it is not a unique solution.

 

Contents © 2013 Brian D. Warner / Palmer Divide Observatory

 

 

 

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