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The Minor Planet Observer
and
Palmer Divide Observatory

6490 1991 NR2 (2004)

MPC Designation: 1991 NR2
Lightcurves Period (h): 4.468 ± 0.005
Amplitude (mag): 0.26 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1024 SITe
Exposure: 90

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2004-08-04 06:00  14.70   13.9  314.2   14.8
2004-08-06 06:00  14.72   14.3  314.7   15.3

Data Points: 98
Discovered: 1991-07-12  Palomar  H. E. Holt
Family/Group: Mars-crosser
Taxonomic Class: S (Assumed)
Published: MPB 32, 4-7
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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