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The Minor Planet Observer
and
Palmer Divide Observatory

26471 2000 AS152 (2012)

MPC Designation: 2000 AS152
Lightcurves Period (h): 2.6869 ± 0.0002
Amplitude (mag): 0.18 ± 0.01
Equipment:

 

Filter: C
MagBand: V
Telescope: 0.5m f/8.1 R/C
Camera: FLI 1001E
Exposure: 240

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2012-12-04 07:00  14.91    5.5   74.6    7.9
2012-12-07 07:00  14.91    5.0   74.6    7.4
2012-12-10 07:00  14.94    5.3   74.5    6.9
2012-12-12 07:00  14.98    5.8   74.5    6.5
2012-12-13 07:00  15.00    6.2   74.5    6.3
2012-12-14 07:00  15.18    6.7   74.5    6.1
2012-12-17 07:00  15.27    8.1   74.5    5.6
2012-12-18 07:00  15.31    8.6   74.5    5.4

Data Points: 475
Discovered: 2000-01-08  Socorro  LINEAR
Family/Group: Hungaria
Taxonomic Class: S
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)

Known binary (PDO discovery in 2009). Follow-up on observations from 2008, and 2009. P_orb = 39.61, which is slightly longer than found in the previous apparitions. This could the result of shadowing at significantly different phase angles. The events in 2012 are barely discernable. The 2012 data set along would not have been sufficient to claim the asteroid is binary.

 

Contents © 2013 Brian D. Warner / Palmer Divide Observatory

 

 

 

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