21267-2225 SEE 446 AB (Zet Cap)

 
 
21h 26m 40.03s -22° 24' 41.0" P.A. 14.00 sep 16.3 mag 3.50,11.70 Sp G4Ib dist. 118.2 pc (385.57 l.y.)
 
 
Coord 2000 21267-2225 Discov num SEE 446 Comp AB Coord arcsec 2000 21 26 40.03 -22 24 41.0
Date first 1897 Date last 2022 Obs 7
Pa first 14 Pa last 14.1 P.A. Now (θ) 14.1°
Sep first 21.4 Sep last 16.26 Sep. Now (ρ) 16.26"
Mag pri 3.50 Mag sec 11.70 delta mag (ΔM) 8.2 Spectral class G4Ib (yellow)
Pri motion ra -004 Sec motion ra -010
Pri motion dec +024 Sec motion dec -014
Notes N S (See Notes, Parallax indidates non-physical)
rPM=1.581
This double is not physical.
 
 
21267-2225 SYSTEM COMPONENTS
 
 
Show name SAO coord wds_name last obs pa sep mag1 mag2 d_mag orb current
Show Zet Cap 190341 21 26 40 -22 24 41 SEE 446 AB 2022 7 14 16.3 3.50 11.70 8.20 Y <===
Show 190341 21 26 40 -22 24 41 SZM 3 AC 2022 3 76 85.0 3.50 12.50 9.00
Triple system
3 estimated visually detectable stars in this system
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name Zet Cap Constellation Capricornus SAO 190341 HIP 105881
Tycho2 6372-01278-1 HD 204075 HR 8204 GC 30020
ADS 14971 BD BD-23 442 CD CD-2215388 Bayer Zeta Capricorni
Bayer name Zet Cap Flamsteed 34 Capricorni Flamsteed name 34 Cap FK5 806
Distance 118.2 Distance ly 385.57 Bayer greek ζ Cap
 
 
SUSPECTED ORBITAL ELEMENTS
 
 
Identifier21267-2225
coord_arcsec_2000212640.03-222441.0
Period (P)2378.2d (6.51y) Periastron (T)45996d (1984.809y) Semi-major axis (a)8.56m± 4.3
Eccentricity (e)0.2821 Inclination (i)111.7°± 20.7 Longitude of periastron (ω)233.8°± 19.8
Node (Ω)190.7°± 50 Notesn ReferencePbx2000a
Equinox Last observation1993 Grade9(1=Definitive, 9=Indet.)
label theta rho
2000-01-01 184.3 0.010
2001-01-01 166.2 0.008
2002-01-01 115.8 0.004
2003-01-01 36.8 0.006
2004-01-01 3.3 0.006
2005-01-01 228.1 0.004
2006-01-01 192.2 0.009
2007-01-01 176.6 0.009
2008-01-01 149.9 0.006
2009-01-01 68.5 0.004
2010-01-01 19.7 0.007
2011-01-01 327.2 0.003
2012-01-01 203.0 0.007
2013-01-01 184.6 0.010
2014-01-01 166.7 0.008
2015-01-01 117.8 0.004
2016-01-01 37.8 0.006
2017-01-01 4.1 0.006
2018-01-01 230.4 0.004
2019-01-01 192.6 0.009
2020-01-01 177.0 0.009
2021-01-01 150.9 0.006
2022-01-01 70.4 0.004
2023-01-01 20.3 0.007
2024-01-01 330.4 0.003
2025-01-01 203.6 0.007
2026-01-01 185.0 0.010
2027-01-01 167.3 0.008
2028-01-01 119.8 0.004
2029-01-01 38.8 0.006
2030-01-01 5.0 0.006


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



 
 


wds21267-2225r.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic