15465+5048 COU 2388 (HD 141373)

 
 
15h 46m 28.21s +50° 47' 59.8" P.A. 219.00 sep 0.2 mag 9.61,9.72 Sp K0 dist. 60.42 pc (197.09 l.y.)
 
 
Coord 2000 15465+5048 Discov num COU2388 Comp Coord arcsec 2000 15 46 28.21 +50 47 59.8
Date first 1986 Date last 2012 Obs 11
Pa first 16 Pa last 219.1 P.A. Now (θ) 185.9°
Sep first 0.3 Sep last 0.169 Sep. Now (ρ) 0.239"
Mag pri 9.61 Mag sec 9.72 delta mag (ΔM) 0.11 Spectral class K0 (yellow-orange)
Pri motion ra +006 Sec motion ra
Pri motion dec +022 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 141373 Constellation Bootes SAO 29653 HIP 77263
Tycho2 3496-01501-1 HD 141373 BD BD+51 2030 Distance 60.42
Distance ly 197.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)32.82y± 0.47 Periastron (T)2003.94y± 0.14 Semi-major axis (a)0.2163a± 0.0014
Eccentricity (e)0.276± 0.014 Inclination (i)111.1°± 0.3 Longitude of periastron (ω)13.2°± 1.1
Node (Ω)17.9°± 0.3 Notes ReferenceBAE2021
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 47.5 0.113
2001 35.9 0.135
2002 27.3 0.151
2003 19.9 0.158
2004 12.6 0.152
2005 4.1 0.135
2006 352.2 0.110
2007 332.5 0.083
2008 299.4 0.068
2009 263.1 0.077
2010 240.3 0.103
2011 227.6 0.135
2012 219.7 0.166
2013 214.2 0.194
2014 210.0 0.219
2015 206.7 0.239
2016 203.7 0.255
2017 201.1 0.266
2018 198.7 0.272
2019 196.3 0.274
2020 193.9 0.272
2021 191.5 0.265
2022 188.8 0.254
2023 185.9 0.239
2024 182.5 0.220
2025 178.5 0.198
2026 173.3 0.173
2027 166.3 0.146
2028 156.1 0.119
2029 140.2 0.094
2030 115.6 0.078


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



 
 


wds15465%2B5048a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic