11563+3527 STT 241 (HD 103659)

 
 
11h 56m 17.24s +35° 26' 53.3" P.A. 147.00 sep 1.8 mag 6.82,8.74 Sp F3V dist. 175.75 pc (573.3 l.y.)
 
 
Coord 2000 11563+3527 Discov num STT 241 Comp Coord arcsec 2000 11 56 17.24 +35 26 53.3
Date first 1843 Date last 2017 Obs 132
Pa first 119 Pa last 146.6 P.A. Now (θ) 146.6°
Sep first 1.0 Sep last 1.83 Sep. Now (ρ) 1.83"
Mag pri 6.82 Mag sec 8.74 delta mag (ΔM) 1.92 Spectral class F3V (yellow-white)
Pri motion ra Sec motion ra -085
Pri motion dec Sec motion dec -023
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 103659 Constellation Ursa Major SAO 62763 HIP 58208
Tycho2 2526-01027-1 Gaia DR2 4031451162397527552 HD 103659 GC 16324
ADS 8355 BD BD+36 2225 Distance 175.75 Distance ly 573.3
 
 
ORBITAL ELEMENTS
 
 
Period (P)5855y± 712 Periastron (T)1581.5y± 15.6 Semi-major axis (a)2.859a± 0.23
Eccentricity (e)0.574± 0.011 Inclination (i)25.8°± 5.1 Longitude of periastron (ω)46.2°± 16.6
Node (Ω)8.2°± 10.6 Notes ReferencePkO2018b
Equinox Last observation Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 143.0 1.737
2001 143.1 1.739
2002 143.3 1.742
2003 143.4 1.744
2004 143.5 1.747
2005 143.6 1.749
2006 143.7 1.752
2007 143.9 1.754
2008 144.0 1.756
2009 144.1 1.759
2010 144.2 1.761
2011 144.3 1.764
2012 144.5 1.766
2013 144.6 1.769
2014 144.7 1.771
2015 144.8 1.773
2016 144.9 1.776
2017 145.1 1.778
2018 145.2 1.781
2019 145.3 1.783
2020 145.4 1.785
2021 145.5 1.788
2022 145.6 1.790
2023 145.7 1.793
2024 145.9 1.795
2025 146.0 1.798
2026 146.1 1.800
2027 146.2 1.802
2028 146.3 1.805
2029 146.4 1.807
2030 146.5 1.810


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



 
 


wds11563%2B3527a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic