03223-4119 I 151 (HD 21058)

 
 
03h 22m 16.76s -41° 18' 56.0" P.A. 191.00 sep 0.8 mag 9.22,9.48 Sp G6V dist. 64.02 pc (208.83 l.y.)
 
 
Coord 2000 03223-4119 Discov num I   151 Comp Coord arcsec 2000 03 22 16.76 -41 18 56.0
Date first 1896 Date last 2018 Obs 22
Pa first 160 Pa last 190.5 P.A. Now (θ) 190.5°
Sep first 1.0 Sep last 0.805 Sep. Now (ρ) 0.805"
Mag pri 9.22 Mag sec 9.48 delta mag (ΔM) 0.26 Spectral class G6V (yellow)
Pri motion ra +076 Sec motion ra +076
Pri motion dec +102 Sec motion dec +102
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21058 Constellation Eridanus SAO 216280 HIP 15703
Tycho2 7571-01108-1 Gaia DR2 4852656399816716672 HD 21058 CD CD-41 975
CP CP-41 324 Distance 64.02 Distance ly 208.83
 
 
ORBITAL ELEMENTS
 
 
Period (P)989.1797y± 512.2037 Periastron (T)2067.4693y± 186.6763 Semi-major axis (a)1.46935a± 0.5863
Eccentricity (e)0.38321± 0.43889 Inclination (i)65.3°± 10.15 Longitude of periastron (ω)78.445°± 39.718
Node (Ω)171.741°± 22.432 Notes ReferenceIzm2019
Equinox Last observation2010 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 182.2 0.955
2001 182.5 0.948
2002 182.8 0.941
2003 183.2 0.934
2004 183.5 0.927
2005 183.9 0.919
2006 184.2 0.912
2007 184.6 0.904
2008 185.0 0.897
2009 185.4 0.889
2010 185.8 0.881
2011 186.2 0.874
2012 186.6 0.866
2013 187.0 0.858
2014 187.4 0.850
2015 187.8 0.842
2016 188.2 0.834
2017 188.7 0.825
2018 189.1 0.817
2019 189.6 0.809
2020 190.1 0.800
2021 190.5 0.792
2022 191.0 0.783
2023 191.5 0.775
2024 192.0 0.766
2025 192.6 0.758
2026 193.1 0.749
2027 193.6 0.740
2028 194.2 0.731
2029 194.8 0.723
2030 195.4 0.714


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



 
 


wds03223-4119a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic