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The Minor Planet Observer
and
Palmer Divide Observatory

2577 Litva (2009)

MPC Designation: 1975 EE3
Lightcurves Period (h): 2.81258 ± 0.00002
Amplitude (mag): 0.24 ± 0.02
Equipment:

 

Filter: C
MagBand: R
Telescope: 0.5m f/8.1 R/C
Camera: SBIG STL-1001E
Exposure: 180

 

Obs. Details

Date              E Mag   Phase  PABL   PABB
2009-02-28 06:00  14.88   21.6  141.1  -21.4
2009-03-01 06:00  14.90   21.8  141.2  -21.1
2009-03-02 05:00  14.91   22.0  141.3  -20.8
2009-03-05 00:00  14.97   22.7  141.8  -20.0
2009-03-05 06:00  14.97   22.8  141.8  -19.9
2009-03-06 06:00  14.99   23.0  141.9  -19.6
2009-03-08 05:00  15.04   23.5  142.3  -19.0
2009-03-10 06:00  15.08   24.1  142.6  -18.4
2009-03-12 06:00  15.13   24.6  143.0  -17.7
2009-03-14 06:00  15.18   25.2  143.4  -17.1
2009-03-14 07:00  15.18   25.2  143.4  -17.1
2009-03-15 06:00  15.21   25.5  143.6  -16.8
2009-03-16 05:00  15.23   25.8  143.8  -16.5
2009-03-17 05:00  15.26   26.1  144.0  -16.2
2009-03-19 05:00  15.31   26.6  144.5  -15.6
2009-03-21 05:00  15.36   27.2  144.9  -14.9
2009-03-22 05:00  15.39   27.5  145.2  -14.7

Data Points: 941
Discovered: 1975-03-12  Nauchnyj  N. S. Chernykh
Family/Group: Hungaria
Taxonomic Class: EU
Published: MPB 36, 165-166
CBET 1715
NOTES: Unless otherwise stated, the "Reduced Magnitudes" in the plots are Cousins R, based on 2MASS to BVRI conversions (Warner, MPB 34, 113-119)

PDO binary discovery in collaboration with Petr Pravec's Binary Asteroid Survey group.

This shows three periods: the rotation of the primary, the rotation of the secondary, and the orbital period via mutual events (occultations and/or eclipses).

 

Contents © 2011 Brian D. Warner / Palmer Divide Observatory

 

 

 

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