22084-4403 HDS 3146 (HD 210022)

 
 
22h 08m 25.32s -44° 03' 26.2" P.A. 358.00 sep 0.1 mag 9.97,10.30 Sp G0V dist. 117.51 pc (383.32 l.y.)
 
 
Coord 2000 22084-4403 Discov num HDS3146 Comp Coord arcsec 2000 22 08 25.32 -44 03 26.2
Date first 1991 Date last 2020 Obs 7
Pa first 332 Pa last 357.8 P.A. Now (θ) 357.8°
Sep first 0.2 Sep last 0.138 Sep. Now (ρ) 0.138"
Mag pri 9.97 Mag sec 10.30 delta mag (ΔM) 0.33 Spectral class G0V (yellow)
Pri motion ra +038 Sec motion ra
Pri motion dec +023 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 210022 Constellation Grus SAO 230996 HIP 109288
Tycho2 8001-01447-1 Gaia DR2 6568033524288941696 HD 210022 CD CD-4414778
CP CP-4410177 Distance 117.51 Distance ly 383.32
 
 
ORBITAL ELEMENTS
 
 
Period (P)37y Periastron (T)2014.24y Semi-major axis (a)0.122a
Eccentricity (e)0.6 Inclination (i)134.4° Longitude of periastron (ω)48.2°
Node (Ω)177.7° Notes ReferenceTok2018i
Equinox2000 Last observation2018 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 305.5 0.146
2001 301.6 0.140
2002 297.2 0.134
2003 292.4 0.127
2004 287.1 0.120
2005 281.1 0.112
2006 274.2 0.105
2007 266.3 0.098
2008 257.1 0.091
2009 246.4 0.084
2010 234.0 0.078
2011 219.6 0.072
2012 202.7 0.066
2013 181.6 0.057
2014 150.3 0.044
2015 97.0 0.037
2016 50.3 0.050
2017 27.6 0.071
2018 15.2 0.091
2019 7.0 0.108
2020 0.9 0.122
2021 356.0 0.134
2022 351.8 0.144
2023 348.1 0.152
2024 344.8 0.158
2025 341.6 0.163
2026 338.7 0.167
2027 335.8 0.170
2028 333.0 0.171
2029 330.2 0.171
2030 327.5 0.171


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



 
 


wds22084-4403a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic