08563-3707 RST 2593 (HD 76668)

 
 
08h 56m 19.84s -37° 07' 21.0" P.A. 313.00 sep 0.8 mag 6.94,10.79 Sp G1V dist. 40.8 pc (133.09 l.y.)
 
 
Coord 2000 08563-3707 Discov num RST2593 Comp Coord arcsec 2000 08 56 19.84 -37 07 21.0
Date first 1935 Date last 2021 Obs 24
Pa first 83 Pa last 313.3 P.A. Now (θ) 313.3°
Sep first 0.7 Sep last 0.795 Sep. Now (ρ) 0.795"
Mag pri 6.94 Mag sec 10.79 delta mag (ΔM) 3.85 Spectral class G1V (yellow)
Pri motion ra -169 Sec motion ra -190
Pri motion dec -009 Sec motion dec +004
Notes O (Orbital solution)
rPM=0.13 (< 0.3, Physical double)
This double is physical.
 
 
OTHER CATALOGS AND DESIGNATIONS
 
 
Name HD 76668 Constellation Pyxis SAO 199803 HIP 43880
Tycho2 7150-00791-1 Gaia DR2 5622548769603637888 HD 76668 GC 12369
CD CD-36 5192 CP CP-36 3111 Distance 40.8 Distance ly 133.09
 
 
ORBITAL ELEMENTS
 
 
Period (P)234.5642y± 63.6586 Periastron (T)1965.7789y± 60.5579 Semi-major axis (a)1.15802a± 0.20728
Eccentricity (e)0.0755± 0.14539 Inclination (i)129.249°± 6.018 Longitude of periastron (ω)328.921°± 76.177
Node (Ω)12.174°± 11.591 Notes ReferenceIzm2019
Equinox Last observation2015 Grade5(1=Definitive, 9=Indet.)
label theta rho
2000 353.1 1.030
2001 351.8 1.023
2002 350.6 1.015
2003 349.3 1.007
2004 348.0 0.999
2005 346.7 0.991
2006 345.4 0.982
2007 344.0 0.974
2008 342.6 0.964
2009 341.2 0.955
2010 339.8 0.946
2011 338.3 0.936
2012 336.8 0.927
2013 335.3 0.917
2014 333.7 0.907
2015 332.1 0.898
2016 330.5 0.888
2017 328.9 0.879
2018 327.2 0.869
2019 325.4 0.860
2020 323.6 0.851
2021 321.8 0.842
2022 320.0 0.833
2023 318.1 0.825
2024 316.2 0.817
2025 314.2 0.809
2026 312.2 0.802
2027 310.2 0.795
2028 308.1 0.789
2029 306.0 0.783
2030 303.8 0.777


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


 
  


wds08563-3707b.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic