02166-5026 TOK 185 (HD 14239)

 
 
02h 16m 36.08s -50° 25' 42.8" P.A. 200.00 sep 0.1 mag 9.90,9.90 Sp G5V dist. 59.35 pc (193.6 l.y.)
 
 
Coord 2000 02166-5026 Discov num TOK 185 Comp Coord arcsec 2000 02 16 36.08 -50 25 42.8
Date first 2011 Date last 2021 Obs 18
Pa first 201 Pa last 199.9 P.A. Now (θ) 226.2°
Sep first 0.1 Sep last 0.058 Sep. Now (ρ) 0.074"
Mag pri 9.90 Mag sec 9.90 delta mag (ΔM) 0 Spectral class G5V (yellow)
Pri motion ra -073 Sec motion ra
Pri motion dec -138 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 14239 Constellation Eridanus SAO 232697 HIP 10611
Tycho2 8055-00034-1 Gaia DR2 4938291897305873792 HD 14239 GC 2757
CD CD-51 558 CP CP-51 298 Distance 59.35 Distance ly 193.6
 
 
ORBITAL ELEMENTS
 
 
Period (P)11.29y± 0.46 Periastron (T)2014.17y± 0.36 Semi-major axis (a)0.0908a± 0.002
Eccentricity (e)0.066± 0.031 Inclination (i)45.3°± 1.9 Longitude of periastron (ω)31.8°± 10.7
Node (Ω)270.4°± 4.8 Notes ReferenceTok2019c
Equinox Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 210.8 0.069
2001 244.2 0.080
2002 270.3 0.086
2003 297.6 0.077
2004 335.9 0.063
2005 23.4 0.065
2006 58.6 0.081
2007 82.3 0.094
2008 102.6 0.094
2009 125.6 0.083
2010 157.7 0.070
2011 199.2 0.067
2012 235.6 0.077
2013 263.0 0.085
2014 289.0 0.081
2015 323.2 0.067
2016 10.1 0.062
2017 50.0 0.076
2018 76.1 0.091
2019 96.7 0.096
2020 118.3 0.087
2021 147.1 0.073
2022 186.9 0.066
2023 226.2 0.074
2024 255.6 0.084
2025 281.1 0.084
2026 311.8 0.071
2027 356.0 0.061
2028 40.2 0.071
2029 69.4 0.088
2030 90.9 0.096


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



 
 


wds02166-5026f.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic