17062-3838 SEE 318 (HD 154287)

 
 
17h 06m 11.92s -38° 37' 30.6" P.A. 356.00 sep 1.1 mag 8.36,8.65 Sp F3V dist. 97.28 pc (317.33 l.y.)
 
 
Coord 2000 17062-3838 Discov num SEE 318 Comp Coord arcsec 2000 17 06 11.92 -38 37 30.6
Date first 1897 Date last 2021 Obs 32
Pa first 235 Pa last 355.6 P.A. Now (θ) 355.6°
Sep first 0.3 Sep last 1.105 Sep. Now (ρ) 1.105"
Mag pri 8.36 Mag sec 8.65 delta mag (ΔM) 0.29 Spectral class F3V (yellow-white)
Pri motion ra -009 Sec motion ra -009
Pri motion dec -071 Sec motion dec -071
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 154287 Constellation Scorpius SAO 208399 HIP 83687
Tycho2 7869-02390-1 Gaia DR2 5973263910533577856 HD 154287 CD CD-3811541
CP CP-38 6679 Distance 97.28 Distance ly 317.33
 
 
ORBITAL ELEMENTS
 
 
Period (P)483.3999y± 424.1922 Periastron (T)2064.1128y± 25.9266 Semi-major axis (a)2.23585a± 2.1384
Eccentricity (e)0.7685± 0.19951 Inclination (i)82.115°± 5.462 Longitude of periastron (ω)76.174°± 22.292
Node (Ω)6.16°± 3.879 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 349.7 1.003
2001 350.0 1.009
2002 350.3 1.014
2003 350.6 1.020
2004 350.9 1.026
2005 351.2 1.031
2006 351.5 1.036
2007 351.8 1.041
2008 352.1 1.046
2009 352.4 1.050
2010 352.7 1.055
2011 353.0 1.059
2012 353.3 1.063
2013 353.6 1.067
2014 353.9 1.071
2015 354.2 1.074
2016 354.5 1.077
2017 354.7 1.080
2018 355.0 1.082
2019 355.3 1.085
2020 355.6 1.087
2021 355.9 1.088
2022 356.1 1.090
2023 356.4 1.090
2024 356.7 1.091
2025 357.0 1.091
2026 357.2 1.091
2027 357.5 1.090
2028 357.8 1.089
2029 358.1 1.087
2030 358.3 1.085


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



 
 


wds17062-3838b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic