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The Minor Planet Observer
and
Palmer Divide Observatory

4440 Tchantches (2010)

MPC Designation: 1984 YV
Lightcurves Period (h): 2.790 0.001
Amplitude (mag): 0.28 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.35m f/9.1 SCT
Camera: FLI 1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2010-08-11 07:00  16.14   17.4  336.7   22.8
2010-08-13 07:00  16.11   17.0  336.8   23.1
2010-08-14 07:00  16.10   16.8  336.8   23.2

Data Points: 172
Discovered: 1984-12-23  Haute Provence  F. Dossin
Family/Group: Hungaria
Taxonomic Class: ES (Assumed)
Published: MPB 38, 25-31
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

See previous work in 2002, 2006, and 2009.

Combined data set from four apparitions and sparse data allowed finding a pole model (19, -50, P = 2.78838). The pole position is 10.

 

Contents 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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