10110+7508 KUI 47

 
 
10h 10m 58.77s +75 08' 28.5" P.A. 121.00 sep 2.0 mag 10.32,10.39 Sp M0 dist. 21.53 pc (70.23 l.y.)
 
 
Coord 2000 10110+7508 Discov num KUI  47 Comp Coord arcsec 2000 10 10 58.77 +75 08 28.5
Date first 1936 Date last 2017 Obs 59
Pa first 158 Pa last 121.1 P.A. Now (θ) 121.1°
Sep first 1.3 Sep last 1.955 Sep. Now (ρ) 1.955"
Mag pri 10.32 Mag sec 10.39 delta mag (ΔM) 0.07 Spectral class M0 (red)
Pri motion ra +228 Sec motion ra +228
Pri motion dec +252 Sec motion dec +252
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Draco HIP 49868 Tycho2 4542-00134-1 GL Gl 379A
BD BD+75 403 Distance 21.53 Distance ly 70.23
 
 
ORBITAL ELEMENTS
 
 
Period (P)236.3323y± 24.8421 Periastron (T)1955.2427y± 0.287 Semi-major axis (a)1.91216a± 0.20681
Eccentricity (e)0.94664± 0.01216 Inclination (i)52.428°± 3.554 Longitude of periastron (ω)288.009°± 3.712
Node (Ω)16.417°± 4.186 Notesn ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 116.8 1.678
2001 117.1 1.698
2002 117.5 1.717
2003 117.9 1.736
2004 118.2 1.755
2005 118.6 1.774
2006 118.9 1.792
2007 119.3 1.809
2008 119.6 1.827
2009 119.9 1.844
2010 120.2 1.861
2011 120.6 1.878
2012 120.9 1.894
2013 121.2 1.910
2014 121.5 1.926
2015 121.8 1.942
2016 122.0 1.957
2017 122.3 1.972
2018 122.6 1.987
2019 122.9 2.001
2020 123.2 2.016
2021 123.4 2.030
2022 123.7 2.043
2023 123.9 2.057
2024 124.2 2.070
2025 124.5 2.083
2026 124.7 2.096
2027 125.0 2.108
2028 125.2 2.121
2029 125.4 2.133
2030 125.7 2.145


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



 
 


wds10110%2B7508b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic