08563-3707 RST 2593 (HD 76668)

 
 
08h 56m 19.84s -37° 07' 21.0" P.A. 310.00 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 2023 Obs 25
Pa first 83 Pa last 310.1 P.A. Now (θ) 313.3°
Sep first 0.7 Sep last 0.776 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)132.38y± 6.93 Periastron (T)1915.7y± 4.4 Semi-major axis (a)0.842a± 0.033
Eccentricity (e)0.361± 0.06 Inclination (i)156.8°± 8.2 Longitude of periastron (ω)181.6°± 15.6
Node (Ω)20.5°± 13 Notes ReferenceTok2023a
Equinox2000 Last observation2023 Grade4(1=Definitive, 9=Indet.)
label theta rho
2000 355.1 1.067
2001 353.6 1.059
2002 352.2 1.050
2003 350.6 1.040
2004 349.1 1.030
2005 347.5 1.020
2006 345.9 1.009
2007 344.3 0.998
2008 342.6 0.986
2009 340.9 0.974
2010 339.1 0.962
2011 337.3 0.949
2012 335.4 0.936
2013 333.5 0.923
2014 331.6 0.909
2015 329.5 0.895
2016 327.4 0.881
2017 325.3 0.866
2018 323.0 0.851
2019 320.7 0.837
2020 318.3 0.821
2021 315.8 0.806
2022 313.2 0.791
2023 310.5 0.776
2024 307.7 0.760
2025 304.8 0.745
2026 301.8 0.730
2027 298.6 0.715
2028 295.3 0.700
2029 291.8 0.685
2030 288.2 0.671
2031 284.5 0.657
2032 280.6 0.644
2033 276.5 0.632
2034 272.3 0.620
2035 267.9 0.608
2036 263.4 0.598
2037 258.7 0.588
2038 253.8 0.579
2039 248.8 0.571
2040 243.7 0.564
2041 238.5 0.558
2042 233.1 0.553
2043 227.6 0.548
2044 222.1 0.545
2045 216.5 0.542
2046 210.9 0.540
2047 205.2 0.539
2048 199.5 0.538
2049 193.8 0.538
2050 188.1 0.539


 
grafico orbita
Note: Theta is PA, Rho is Sep. For yearly orbits, data refer to Jan 1st.
wds08563-3707c.png orbit plot
Measures: green=micrometric, blue=interferometric, purple=photographic