03264+3520 HDS 430 (HD 21183)

 
 
03h 26m 21.05s +35° 20' 26.1" P.A. 11.00 sep 0.2 mag 8.80,10.58 Sp F6V+G9V dist. 67.75 pc (221 l.y.)
 
 
Coord 2000 03264+3520 Discov num HDS 430 Comp Coord arcsec 2000 03 26 21.05 +35 20 26.1
Date first 1991 Date last 2019 Obs 24
Pa first 172 Pa last 10.6 P.A. Now (θ) 46.3°
Sep first 0.2 Sep last 0.183 Sep. Now (ρ) 0.216"
Mag pri 8.80 Mag sec 10.58 delta mag (ΔM) 1.78 Spectral class F6V+G9V (yellow-white/yellow)
Pri motion ra -033 Sec motion ra
Pri motion dec -002 Sec motion dec
Notes N O (See Notes, Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 21183 Constellation Perseus SAO 56448 HIP 16025
Tycho2 2349-00449-1 Gaia DR2 222096469727918336 HD 21183 BD BD+34 645
Distance 67.75 Distance ly 221
 
 
ORBITAL ELEMENTS
 
 
Period (P)48.3y± 1.5 Periastron (T)2020.9y± 0.9 Semi-major axis (a)257.1m± 4.1
Eccentricity (e)0.158± 0.007 Inclination (i)41.9°± 0.8 Longitude of periastron (ω)325.1°± 12.1
Node (Ω)56.2°± 2.8 Notes ReferenceMit2020
Equinox Last observation Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 223.4 0.289
2001 227.7 0.291
2002 232.0 0.290
2003 236.3 0.288
2004 240.8 0.284
2005 245.3 0.278
2006 250.2 0.271
2007 255.3 0.261
2008 260.8 0.251
2009 266.8 0.239
2010 273.6 0.226
2011 281.1 0.213
2012 289.6 0.200
2013 299.2 0.189
2014 309.9 0.179
2015 321.7 0.173
2016 334.1 0.170
2017 346.6 0.171
2018 358.7 0.176
2019 10.0 0.183
2020 20.3 0.192
2021 29.7 0.201
2022 38.3 0.209
2023 46.3 0.216
2024 53.8 0.221
2025 61.2 0.224
2026 68.4 0.224
2027 75.6 0.223
2028 83.0 0.220
2029 90.6 0.216
2030 98.5 0.212


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



 
 


wds03264%2B3520c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic