22378-5004 HDS 3214 (HD 214218)

 
 
22h 37m 46.51s -50° 03' 59.8" P.A. 342.00 sep 0.0 mag 8.82,9.41 Sp F2IV dist. 213.22 pc (695.52 l.y.)
 
 
Coord 2000 22378-5004 Discov num HDS3214 Comp Coord arcsec 2000 22 37 46.51 -50 03 59.8
Date first 1991 Date last 2021 Obs 12
Pa first 195 Pa last 342.1 P.A. Now (θ) 342.1°
Sep first 0.1 Sep last 0.032 Sep. Now (ρ) 0.032"
Mag pri 8.82 Mag sec 9.41 delta mag (ΔM) 0.59 Spectral class F2IV (yellow-white)
Pri motion ra +027 Sec motion ra
Pri motion dec -016 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 214218 Constellation Grus SAO 247520 HIP 111714
Tycho2 8452-00398-1 Gaia DR2 6516864142917463424 HD 214218 CD CD-5013742
CP CP-5011721 Distance 213.22 Distance ly 695.52
 
 
ORBITAL ELEMENTS
 
 
Period (P)82.7y Periastron (T)2020.14y Semi-major axis (a)0.145a
Eccentricity (e)0.75 Inclination (i)138° Longitude of periastron (ω)64.3°
Node (Ω)110.6° Notes ReferenceTok2020e
Equinox Last observation2019 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 204.3 0.153
2001 202.3 0.149
2002 200.2 0.145
2003 198.0 0.141
2004 195.7 0.136
2005 193.1 0.132
2006 190.5 0.127
2007 187.6 0.123
2008 184.5 0.118
2009 181.1 0.113
2010 177.4 0.107
2011 173.3 0.102
2012 168.7 0.096
2013 163.5 0.090
2014 157.6 0.084
2015 150.7 0.077
2016 142.4 0.070
2017 132.2 0.062
2018 118.4 0.053
2019 97.9 0.041
2020 60.8 0.030
2021 5.2 0.030
2022 329.5 0.043
2023 311.8 0.059
2024 301.4 0.073
2025 294.3 0.086
2026 289.0 0.098
2027 284.7 0.108
2028 281.2 0.117
2029 278.1 0.126
2030 275.5 0.133


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



 
 


wds22378-5004b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic