09118-4218 HDS 1332

 
 
09h 11m 48.77s -42 17' 42.6" P.A. 207.00 sep 0.2 mag 11.21,11.54 Sp K5V dist. 80.06 pc (261.16 l.y.)
 
 
Coord 2000 09118-4218 Discov num HDS1332 Comp Coord arcsec 2000 09 11 48.77 -42 17 42.6
Date first 1991 Date last 2019 Obs 6
Pa first 33 Pa last 207.4 P.A. Now (θ) 207.4°
Sep first 0.3 Sep last 0.188 Sep. Now (ρ) 0.188"
Mag pri 11.21 Mag sec 11.54 delta mag (ΔM) 0.33 Spectral class K5V (yellow-orange)
Pri motion ra -218 Sec motion ra
Pri motion dec +186 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Constellation Vela HIP 45139 Tycho2 7686-03062-1 Gaia DR2 5427375590128838656
CD CD-41 4886 CP CP-41 3427 Distance 80.06 Distance ly 261.16
 
 
ORBITAL ELEMENTS
 
 
Period (P)113.447y Periastron (T)2012.227y Semi-major axis (a)0.313a
Eccentricity (e)0.5 Inclination (i)126.1° Longitude of periastron (ω)107.1°
Node (Ω)22.7° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 15.7 0.243
2001 12.8 0.230
2002 9.6 0.216
2003 6.0 0.201
2004 1.8 0.185
2005 356.7 0.169
2006 350.5 0.152
2007 342.7 0.135
2008 332.8 0.119
2009 320.1 0.105
2010 304.3 0.096
2011 286.4 0.093
2012 268.8 0.098
2013 253.6 0.108
2014 241.4 0.121
2015 231.8 0.136
2016 224.1 0.151
2017 217.8 0.166
2018 212.4 0.179
2019 207.8 0.191
2020 203.7 0.202
2021 200.0 0.211
2022 196.6 0.219
2023 193.4 0.226
2024 190.4 0.232
2025 187.5 0.237
2026 184.7 0.241
2027 182.0 0.244
2028 179.4 0.247
2029 176.8 0.249
2030 174.2 0.250


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



 
 


wds09118-4218a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic