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The Minor Planet Observer
and
Palmer Divide Observatory

999 Zachia (1999)

MPC Designation: 1923 NW
Lightcurves Period (h): 22.77 0.03
Amplitude (mag): 0.30 0.03
Equipment:

 

Filter: C
MagBand: R
Telescope: SCT 25cm f/6.5
Camera: ST-8
Exposure: 120

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
1999-09-04 06:00  13.70   13.5  323.5   12.9
1999-09-06 06:00  13.74   14.3  323.7   12.7
1999-09-07 06:00  13.76   14.7  323.8   12.7
1999-09-08 07:00  13.78   15.1  324.0   12.6

Data Points: 126
Discovered: 1923-08-09  Heidelberg  K. Reinmuth
Family/Group: MB-Middle
Taxonomic Class: S (Assumed)
Published: MPB 27, 4-6
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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