15432-4443 I 403 (HD 140011)

 
 
15h 43m 11.86s -44° 43' 12.4" P.A. 256.00 sep 0.4 mag 9.22,9.92 Sp K2V dist. 35.87 pc (117.01 l.y.)
 
 
Coord 2000 15432-4443 Discov num I   403 Comp Coord arcsec 2000 15 43 11.86 -44 43 12.4
Date first 1901 Date last 2019 Obs 14
Pa first 197 Pa last 255.7 P.A. Now (θ) 255.7°
Sep first 1.2 Sep last 0.354 Sep. Now (ρ) 0.354"
Mag pri 9.22 Mag sec 9.92 delta mag (ΔM) 0.7 Spectral class K2V (yellow-orange)
Pri motion ra -144 Sec motion ra -144
Pri motion dec -134 Sec motion dec -134
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 140011 Constellation Lupus SAO 226108 HIP 76990
Tycho2 7849-01177-1 Gaia DR2 5988906181427993728 HD 140011 CD CD-4410336
CP CP-44 7550 Distance 35.87 Distance ly 117.01
 
 
ORBITAL ELEMENTS
 
 
Period (P)225.7y Periastron (T)2086.2y Semi-major axis (a)1.11a
Eccentricity (e)0.5 Inclination (i)78° Longitude of periastron (ω)52°
Node (Ω)16.7° Notesn ReferenceTok2018b
Equinox2000 Last observation2017 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 224.9 0.655
2001 225.8 0.638
2002 226.7 0.621
2003 227.6 0.604
2004 228.6 0.587
2005 229.7 0.571
2006 230.8 0.554
2007 232.0 0.537
2008 233.2 0.521
2009 234.6 0.504
2010 236.0 0.488
2011 237.6 0.472
2012 239.2 0.456
2013 241.0 0.441
2014 242.8 0.425
2015 244.9 0.411
2016 247.0 0.396
2017 249.4 0.382
2018 251.9 0.369
2019 254.6 0.356
2020 257.5 0.344
2021 260.6 0.332
2022 263.9 0.322
2023 267.4 0.313
2024 271.1 0.305
2025 275.0 0.298
2026 279.1 0.292
2027 283.3 0.288
2028 287.6 0.285
2029 292.0 0.284
2030 296.4 0.284


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



 
 


wds15432-4443a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic