22508-6543 HDS 3246 (HD 216013)

 
 
22h 50m 47.15s -65° 42' 51.8" P.A. 292.00 sep 0.1 mag 8.79,10.46 Sp G6V dist. 38.8 pc (126.57 l.y.)
 
 
Coord 2000 22508-6543 Discov num HDS3246 Comp Coord arcsec 2000 22 50 47.15 -65 42 51.8
Date first 1991 Date last 2021 Obs 15
Pa first 255 Pa last 291.9 P.A. Now (θ) 278.3°
Sep first 0.2 Sep last 0.06 Sep. Now (ρ) 0.1"
Mag pri 8.79 Mag sec 10.46 delta mag (ΔM) 1.67 Spectral class G6V (yellow)
Pri motion ra +117 Sec motion ra
Pri motion dec +083 Sec motion dec
Notes O (Orbital solution)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 216013 Constellation Tucana HIP 112816 Tycho2 9124-01100-1
Gaia DR2 6392352869207924224 HD 216013 CP CP-66 3714 Distance 38.8
Distance ly 126.57
 
 
ORBITAL ELEMENTS
 
 
Period (P)21.433y Periastron (T)2016.136y Semi-major axis (a)0.214a
Eccentricity (e)0.448 Inclination (i)92.4° Longitude of periastron (ω)140.2°
Node (Ω)272° Notesn ReferenceTok2018e
Equinox2000 Last observation2018 Grade3(1=Definitive, 9=Indet.)
label theta rho
2000 295.6 0.026
2001 280.5 0.074
2002 277.3 0.119
2003 275.8 0.160
2004 274.9 0.197
2005 274.2 0.227
2006 273.7 0.251
2007 273.3 0.268
2008 272.9 0.277
2009 272.5 0.278
2010 272.2 0.267
2011 271.7 0.246
2012 271.2 0.210
2013 270.3 0.159
2014 268.3 0.089
2015 208.6 0.006
2016 94.5 0.082
2017 92.0 0.128
2018 90.3 0.125
2019 87.8 0.093
2020 81.5 0.048
2021 348.8 0.010
2022 283.7 0.053
2023 278.3 0.100
2024 276.3 0.143
2025 275.2 0.182
2026 274.5 0.215
2027 273.9 0.242
2028 273.5 0.262
2029 273.1 0.275
2030 272.7 0.279


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



 
 


wds22508-6543a.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic