02164+0438 YR 8 (HD 14031)

 
 
02h 16m 26.37s +04° 37' 34.0" P.A. 144.00 sep 0.1 mag 8.60,9.50 Sp F0 dist. 146.2 pc (476.9 l.y.)
 
 
Coord 2000 02164+0438 Discov num YR    8 Comp Coord arcsec 2000 02 16 26.37 +04 37 34.0
Date first 1999 Date last 2019 Obs 12
Pa first 331 Pa last 143.9 P.A. Now (θ) 143.9°
Sep first 0.1 Sep last 0.097 Sep. Now (ρ) 0.097"
Mag pri 8.60 Mag sec 9.50 delta mag (ΔM) 0.9 Spectral class F0 (yellow-white)
Pri motion ra +159 Sec motion ra
Pri motion dec -009 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 14031 Constellation Cetus SAO 110440 HIP 10596
Tycho2 0041-00782-1 Gaia DR2 2516741781941910784 HD 14031 BD BD+03 313
Distance 146.2 Distance ly 476.9
 
 
ORBITAL ELEMENTS
 
 
Period (P)48.9y± 6.7 Periastron (T)2055y± 21 Semi-major axis (a)0.108a± 0.0095
Eccentricity (e)0.077± 0.4529 Inclination (i)101.7°± 1.9 Longitude of periastron (ω)82°± 24
Node (Ω)332.94°± 0.89 Notes ReferenceHor2021b
Equinox Last observation Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 326.1 0.089
2001 323.7 0.080
2002 320.7 0.071
2003 316.5 0.059
2004 310.4 0.048
2005 300.1 0.036
2006 280.5 0.025
2007 244.2 0.020
2008 207.1 0.025
2009 186.7 0.035
2010 176.1 0.047
2011 169.9 0.059
2012 165.7 0.070
2013 162.6 0.080
2014 160.2 0.089
2015 158.1 0.096
2016 156.4 0.102
2017 154.8 0.106
2018 153.3 0.108
2019 151.8 0.109
2020 150.3 0.108
2021 148.8 0.105
2022 147.2 0.101
2023 145.4 0.095
2024 143.3 0.089
2025 140.9 0.081
2026 137.9 0.072
2027 134.0 0.062
2028 128.6 0.052
2029 120.7 0.042
2030 108.0 0.033


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



 
 


wds02164%2B0438a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic