08582+1945 LDS 3836

 
 
08h 58m 15.13s +19° 45' 47.1" P.A. 249.00 sep 2.6 mag 13.37,13.37 Sp M5.5V+M6V
 
 
Coord 2000 08582+1945 Discov num LDS3836 Comp Coord arcsec 2000 08 58 15.13 +19 45 47.1
Date first 1960 Date last 2021 Obs 19
Pa first 333 Pa last 248.6 P.A. Now (θ) 248.6°
Sep first 4.5 Sep last 2.636 Sep. Now (ρ) 2.636"
Mag pri 13.37 Mag sec 13.37 delta mag (ΔM) 0 Spectral class M5.5V+M6V (red/red)
Pri motion ra -847 Sec motion ra -847
Pri motion dec -066 Sec motion dec -066
Notes N O T (See Notes, Orbital solution, Parallax indicates physical)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Cancer
 
 
ORBITAL ELEMENTS
 
 
Period (P)123.6412y Periastron (T)2002.2858y Semi-major axis (a)3.1449a
Eccentricity (e)0.4888 Inclination (i)38.9225° Longitude of periastron (ω)351.5415°
Node (Ω)139.9971° Notesn ReferenceKpp2020f
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 115.5 1.562
2001 123.5 1.579
2002 131.2 1.596
2003 138.8 1.611
2004 146.3 1.623
2005 153.7 1.633
2006 160.9 1.640
2007 168.2 1.648
2008 175.3 1.657
2009 182.4 1.670
2010 189.3 1.688
2011 196.1 1.714
2012 202.6 1.746
2013 208.9 1.786
2014 214.9 1.834
2015 220.5 1.889
2016 225.8 1.951
2017 230.8 2.018
2018 235.4 2.090
2019 239.8 2.166
2020 243.8 2.245
2021 247.5 2.327
2022 251.0 2.411
2023 254.2 2.496
2024 257.3 2.582
2025 260.1 2.668
2026 262.8 2.754
2027 265.3 2.839
2028 267.6 2.924
2029 269.9 3.008
2030 272.0 3.091


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.



 
 


wds08582%2B1945a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic