Double Star Calculator - Orbit

Orbital Elements for HDS969AB
WDS: HDS969AB WDS ID/Discoverer
P: 68.400 Orbital period (years)
a: 0.795 Semi-major axis (arcseconds)
i: 93.7 Inclination (degrees)
Ω: 38.3 Longitude of ascending node (degrees)
T: 1979.100 Epoch of periastron passage (year)
e: 0.164 Eccentricity
ω: 217.6 Longitude of periastron (degrees)
Start-Year: 1990.8 Year
End-Year: 2059.2 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS969AB
Position: 065826.02-125929.3 Epoch-2000 right ascension and declination
WDS-ID: 06584-1300 WDS designation
Discoverer Code: HDS969AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 51849 HD catalog number
Hipparcos number: 33560 Hipparcos catalog number
V1: 9.34 Magnitude of the primary
V2: 12.29 Magnitude of the secondary
Equinox: Equinox
Date: 2018 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2019c Reference

Double Star Orbit for HDS969AB



WDS 6th Orbit including measures of HDS969AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of HDS969AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.057   295.01
--------------------------
1990.80    0.346    45.46
1990.90    0.353    45.29
1991.00    0.360    45.12
1991.10    0.368    44.96
1991.20    0.375    44.81
1991.30    0.382    44.66
1991.40    0.389    44.52
1991.50    0.396    44.38
1991.60    0.403    44.25
1991.70    0.410    44.12
1991.80    0.417    44.00
1991.90    0.424    43.88
1992.00    0.430    43.76
1992.10    0.437    43.65
1992.20    0.444    43.54
1992.30    0.451    43.43
1992.40    0.457    43.33
1992.50    0.464    43.23
1992.60    0.471    43.13
1992.70    0.477    43.04
1992.80    0.484    42.95
1992.90    0.490    42.86
1993.00    0.497    42.77
1993.10    0.503    42.69
1993.20    0.509    42.60
1993.30    0.516    42.52
1993.40    0.522    42.44
1993.50    0.528    42.37
1993.60    0.534    42.29
1993.70    0.540    42.22
1993.80    0.547    42.15
1993.90    0.553    42.08
1994.00    0.559    42.01
1994.10    0.564    41.94
1994.20    0.570    41.88
1994.30    0.576    41.81
1994.40    0.582    41.75
1994.50    0.588    41.69
1994.60    0.593    41.63
1994.70    0.599    41.57
1994.80    0.605    41.51
1994.90    0.610    41.45
1995.00    0.616    41.39
1995.10    0.621    41.34
1995.20    0.627    41.28
1995.30    0.632    41.23
1995.40    0.637    41.18
1995.50    0.642    41.13
1995.60    0.648    41.08
1995.70    0.653    41.03
1995.80    0.658    40.98
1995.90    0.663    40.93
1996.00    0.668    40.88
1996.10    0.673    40.83
1996.20    0.678    40.79
1996.30    0.683    40.74
1996.40    0.687    40.70
1996.50    0.692    40.65
1996.60    0.697    40.61
1996.70    0.701    40.56
1996.80    0.706    40.52
1996.90    0.710    40.48
1997.00    0.715    40.44
1997.10    0.719    40.40
1997.20    0.724    40.35
1997.30    0.728    40.31
1997.40    0.732    40.27
1997.50    0.736    40.24
1997.60    0.740    40.20
1997.70    0.745    40.16
1997.80    0.749    40.12
1997.90    0.753    40.08
1998.00    0.756    40.05
1998.10    0.760    40.01
1998.20    0.764    39.97
1998.30    0.768    39.94
1998.40    0.772    39.90
1998.50    0.775    39.86
1998.60    0.779    39.83
1998.70    0.782    39.80
1998.80    0.786    39.76
1998.90    0.789    39.73
1999.00    0.793    39.69
1999.10    0.796    39.66
1999.20    0.799    39.63
1999.30    0.802    39.59
1999.40    0.805    39.56
1999.50    0.809    39.53
1999.60    0.812    39.50
1999.70    0.815    39.46
1999.80    0.818    39.43
1999.90    0.820    39.40
2000.00    0.823    39.37
2000.10    0.826    39.34
2000.20    0.829    39.31
2000.30    0.831    39.28
2000.40    0.834    39.25
2000.50    0.836    39.21
2000.60    0.839    39.18
2000.70    0.841    39.15
2000.80    0.844    39.12
2000.90    0.846    39.10
2001.00    0.848    39.07
2001.10    0.851    39.04
2001.20    0.853    39.01
2001.30    0.855    38.98
2001.40    0.857    38.95
2001.50    0.859    38.92
2001.60    0.861    38.89
2001.70    0.863    38.86
2001.80    0.864    38.83
2001.90    0.866    38.81
2002.00    0.868    38.78
2002.10    0.870    38.75
2002.20    0.871    38.72
2002.30    0.873    38.69
2002.40    0.874    38.67
2002.50    0.876    38.64
2002.60    0.877    38.61
2002.70    0.878    38.58
2002.80    0.880    38.56
2002.90    0.881    38.53
2003.00    0.882    38.50
2003.10    0.883    38.47
2003.20    0.884    38.45
2003.30    0.885    38.42
2003.40    0.886    38.39
2003.50    0.887    38.37
2003.60    0.888    38.34
2003.70    0.889    38.31
2003.80    0.890    38.29
2003.90    0.890    38.26
2004.00    0.891    38.23
2004.10    0.891    38.21
2004.20    0.892    38.18
2004.30    0.892    38.15
2004.40    0.893    38.13
2004.50    0.893    38.10
2004.60    0.894    38.07
2004.70    0.894    38.05
2004.80    0.894    38.02
2004.90    0.894    37.99
2005.00    0.894    37.97
2005.10    0.894    37.94
2005.20    0.894    37.91
2005.30    0.894    37.89
2005.40    0.894    37.86
2005.50    0.894    37.83
2005.60    0.894    37.81
2005.70    0.894    37.78
2005.80    0.893    37.76
2005.90    0.893    37.73
2006.00    0.892    37.70
2006.10    0.892    37.68
2006.20    0.891    37.65
2006.30    0.891    37.62
2006.40    0.890    37.60
2006.50    0.890    37.57
2006.60    0.889    37.54
2006.70    0.888    37.52
2006.80    0.887    37.49
2006.90    0.886    37.46
2007.00    0.886    37.43
2007.10    0.885    37.41
2007.20    0.884    37.38
2007.30    0.883    37.35
2007.40    0.881    37.33
2007.50    0.880    37.30
2007.60    0.879    37.27
2007.70    0.878    37.24
2007.80    0.876    37.22
2007.90    0.875    37.19
2008.00    0.874    37.16
2008.10    0.872    37.13
2008.20    0.871    37.11
2008.30    0.869    37.08
2008.40    0.868    37.05
2008.50    0.866    37.02
2008.60    0.864    36.99
2008.70    0.863    36.96
2008.80    0.861    36.94
2008.90    0.859    36.91
2009.00    0.857    36.88
2009.10    0.855    36.85
2009.20    0.853    36.82
2009.30    0.851    36.79
2009.40    0.849    36.76
2009.50    0.847    36.73
2009.60    0.845    36.70
2009.70    0.843    36.67
2009.80    0.840    36.64
2009.90    0.838    36.61
2010.00    0.836    36.58
2010.10    0.833    36.55
2010.20    0.831    36.52
2010.30    0.828    36.49
2010.40    0.826    36.46
2010.50    0.823    36.43
2010.60    0.821    36.40
2010.70    0.818    36.37
2010.80    0.815    36.33
2010.90    0.813    36.30
2011.00    0.810    36.27
2011.10    0.807    36.24
2011.20    0.804    36.21
2011.30    0.801    36.17
2011.40    0.798    36.14
2011.50    0.795    36.11
2011.60    0.792    36.07
2011.70    0.789    36.04
2011.80    0.786    36.00
2011.90    0.783    35.97
2012.00    0.780    35.94
2012.10    0.776    35.90
2012.20    0.773    35.87
2012.30    0.770    35.83
2012.40    0.766    35.79
2012.50    0.763    35.76
2012.60    0.759    35.72
2012.70    0.756    35.68
2012.80    0.752    35.65
2012.90    0.749    35.61
2013.00    0.745    35.57
2013.10    0.742    35.53
2013.20    0.738    35.49
2013.30    0.734    35.45
2013.40    0.730    35.42
2013.50    0.726    35.38
2013.60    0.723    35.34
2013.70    0.719    35.29
2013.80    0.715    35.25
2013.90    0.711    35.21
2014.00    0.707    35.17
2014.10    0.703    35.13
2014.20    0.699    35.08
2014.30    0.695    35.04
2014.40    0.690    35.00
2014.50    0.686    34.95
2014.60    0.682    34.91
2014.70    0.678    34.86
2014.80    0.673    34.81
2014.90    0.669    34.77
2015.00    0.665    34.72
2015.10    0.660    34.67
2015.20    0.656    34.62
2015.30    0.651    34.57
2015.40    0.647    34.52
2015.50    0.642    34.47
2015.60    0.638    34.42
2015.70    0.633    34.37
2015.80    0.629    34.31
2015.90    0.624    34.26
2016.00    0.619    34.21
2016.10    0.614    34.15
2016.20    0.610    34.09
2016.30    0.605    34.04
2016.40    0.600    33.98
2016.50    0.595    33.92
2016.60    0.590    33.86
2016.70    0.585    33.80
2016.80    0.580    33.73
2016.90    0.575    33.67
2017.00    0.570    33.61
2017.10    0.565    33.54
2017.20    0.560    33.47
2017.30    0.555    33.41
2017.40    0.550    33.34
2017.50    0.545    33.27
2017.60    0.540    33.19
2017.70    0.534    33.12
2017.80    0.529    33.04
2017.90    0.524    32.97
2018.00    0.518    32.89
2018.10    0.513    32.81
2018.20    0.508    32.73
2018.30    0.502    32.65
2018.40    0.497    32.56
2018.50    0.491    32.47
2018.60    0.486    32.39
2018.70    0.480    32.30
2018.80    0.475    32.20
2018.90    0.469    32.11
2019.00    0.464    32.01
2019.10    0.458    31.91
2019.20    0.452    31.81
2019.30    0.447    31.70
2019.40    0.441    31.60
2019.50    0.435    31.49
2019.60    0.430    31.37
2019.70    0.424    31.26
2019.80    0.418    31.14
2019.90    0.412    31.01
2020.00    0.407    30.89
2020.10    0.401    30.76
2020.20    0.395    30.62
2020.30    0.389    30.49
2020.40    0.383    30.34
2020.50    0.377    30.20
2020.60    0.371    30.05
2020.70    0.365    29.89
2020.80    0.359    29.73
2020.90    0.353    29.56
2021.00    0.347    29.39
2021.10    0.341    29.21
2021.20    0.335    29.03
2021.30    0.329    28.84
2021.40    0.323    28.64
2021.50    0.317    28.43
2021.60    0.311    28.22
2021.70    0.305    27.99
2021.80    0.299    27.76
2021.90    0.293    27.52
2022.00    0.287    27.26
2022.10    0.280    27.00
2022.20    0.274    26.73
2022.30    0.268    26.44
2022.40    0.262    26.14
2022.50    0.256    25.82
2022.60    0.249    25.49
2022.70    0.243    25.14
2022.80    0.237    24.77
2022.90    0.231    24.38
2023.00    0.225    23.98
2023.10    0.218    23.54
2023.20    0.212    23.09
2023.30    0.206    22.60
2023.40    0.200    22.09
2023.50    0.193    21.54
2023.60    0.187    20.95
2023.70    0.181    20.33
2023.80    0.175    19.66
2023.90    0.169    18.94
2024.00    0.163    18.17
2024.10    0.156    17.34
2024.20    0.150    16.44
2024.30    0.144    15.46
2024.40    0.138    14.40
2024.50    0.132    13.24
2024.60    0.126    11.97
2024.70    0.120    10.58
2024.80    0.115     9.04
2024.90    0.109     7.34
2025.00    0.103     5.46
2025.10    0.098     3.35
2025.20    0.092     1.01
2025.30    0.087   358.37
2025.40    0.082   355.41
2025.50    0.077   352.07
2025.60    0.073   348.32
2025.70    0.069   344.09
2025.80    0.065   339.35
2025.90    0.062   334.08
2026.00    0.059   328.29
2026.10    0.057   322.03
2026.20    0.056   315.40
2026.30    0.055   308.56
2026.40    0.056   301.70
2026.50    0.057   295.01
2026.60    0.059   288.66
2026.70    0.061   282.75
2026.80    0.064   277.36
2026.90    0.068   272.49
2027.00    0.072   268.15
2027.10    0.076   264.29
2027.20    0.081   260.86
2027.30    0.086   257.81
2027.40    0.091   255.11
2027.50    0.096   252.69
2027.60    0.102   250.54
2027.70    0.107   248.60
2027.80    0.113   246.86
2027.90    0.119   245.29
2028.00    0.125   243.87
2028.10    0.131   242.57
2028.20    0.137   241.39
2028.30    0.143   240.30
2028.40    0.149   239.30
2028.50    0.155   238.39
2028.60    0.161   237.54
2028.70    0.167   236.75
2028.80    0.173   236.02
2028.90    0.179   235.34
2029.00    0.186   234.70
2029.10    0.192   234.11
2029.20    0.198   233.55
2029.30    0.204   233.03
2029.40    0.210   232.54
2029.50    0.217   232.07
2029.60    0.223   231.63
2029.70    0.229   231.22
2029.80    0.235   230.82
2029.90    0.241   230.45
2030.00    0.247   230.10
2030.10    0.254   229.76
2030.20    0.260   229.44
2030.30    0.266   229.13
2030.40    0.272   228.84
2030.50    0.278   228.56
2030.60    0.284   228.29
2030.70    0.290   228.03
2030.80    0.296   227.79
2030.90    0.302   227.55
2031.00    0.308   227.32
2031.10    0.314   227.11
2031.20    0.320   226.90
2031.30    0.326   226.69
2031.40    0.332   226.50
2031.50    0.338   226.31
2031.60    0.344   226.13
2031.70    0.350   225.95
2031.80    0.356   225.78
2031.90    0.362   225.62
2032.00    0.367   225.46
2032.10    0.373   225.30
2032.20    0.379   225.15
2032.30    0.384   225.01
2032.40    0.390   224.87
2032.50    0.396   224.73
2032.60    0.401   224.60
2032.70    0.407   224.47
2032.80    0.412   224.34
2032.90    0.418   224.22
2033.00    0.423   224.10
2033.10    0.429   223.98
2033.20    0.434   223.87
2033.30    0.440   223.76
2033.40    0.445   223.65
2033.50    0.450   223.54
2033.60    0.455   223.44
2033.70    0.461   223.34
2033.80    0.466   223.24
2033.90    0.471   223.14
2034.00    0.476   223.05
2034.10    0.481   222.95
2034.20    0.486   222.86
2034.30    0.491   222.78
2034.40    0.496   222.69
2034.50    0.501   222.60
2034.60    0.506   222.52
2034.70    0.510   222.44
2034.80    0.515   222.36
2034.90    0.520   222.28
2035.00    0.524   222.20
2035.10    0.529   222.12
2035.20    0.533   222.05
2035.30    0.538   221.97
2035.40    0.542   221.90
2035.50    0.547   221.83
2035.60    0.551   221.76
2035.70    0.555   221.69
2035.80    0.559   221.62
2035.90    0.564   221.56
2036.00    0.568   221.49
2036.10    0.572   221.42
2036.20    0.576   221.36
2036.30    0.580   221.30
2036.40    0.584   221.23
2036.50    0.587   221.17
2036.60    0.591   221.11
2036.70    0.595   221.05
2036.80    0.598   220.99
2036.90    0.602   220.93
2037.00    0.605   220.87
2037.10    0.609   220.82
2037.20    0.612   220.76
2037.30    0.616   220.70
2037.40    0.619   220.65
2037.50    0.622   220.59
2037.60    0.625   220.54
2037.70    0.628   220.49
2037.80    0.631   220.43
2037.90    0.634   220.38
2038.00    0.637   220.33
2038.10    0.640   220.27
2038.20    0.642   220.22
2038.30    0.645   220.17
2038.40    0.647   220.12
2038.50    0.650   220.07
2038.60    0.652   220.02
2038.70    0.655   219.97
2038.80    0.657   219.92
2038.90    0.659   219.87
2039.00    0.661   219.82
2039.10    0.663   219.78
2039.20    0.665   219.73
2039.30    0.667   219.68
2039.40    0.669   219.63
2039.50    0.671   219.59
2039.60    0.672   219.54
2039.70    0.674   219.49
2039.80    0.675   219.45
2039.90    0.677   219.40
2040.00    0.678   219.35
2040.10    0.679   219.31
2040.20    0.680   219.26
2040.30    0.681   219.22
2040.40    0.682   219.17
2040.50    0.683   219.12
2040.60    0.684   219.08
2040.70    0.685   219.03
2040.80    0.686   218.99
2040.90    0.686   218.94
2041.00    0.687   218.90
2041.10    0.687   218.85
2041.20    0.687   218.81
2041.30    0.688   218.76
2041.40    0.688   218.72
2041.50    0.688   218.68
2041.60    0.688   218.63
2041.70    0.688   218.59
2041.80    0.687   218.54
2041.90    0.687   218.50
2042.00    0.687   218.45
2042.10    0.686   218.41
2042.20    0.686   218.36
2042.30    0.685   218.32
2042.40    0.684   218.27
2042.50    0.683   218.23
2042.60    0.682   218.18
2042.70    0.681   218.13
2042.80    0.680   218.09
2042.90    0.679   218.04
2043.00    0.678   218.00
2043.10    0.676   217.95
2043.20    0.675   217.90
2043.30    0.673   217.86
2043.40    0.672   217.81
2043.50    0.670   217.76
2043.60    0.668   217.72
2043.70    0.666   217.67
2043.80    0.664   217.62
2043.90    0.662   217.57
2044.00    0.660   217.52
2044.10    0.657   217.48
2044.20    0.655   217.43
2044.30    0.653   217.38
2044.40    0.650   217.33
2044.50    0.647   217.28
2044.60    0.645   217.23
2044.70    0.642   217.17
2044.80    0.639   217.12
2044.90    0.636   217.07
2045.00    0.633   217.02
2045.10    0.630   216.97
2045.20    0.626   216.91
2045.30    0.623   216.86
2045.40    0.619   216.80
2045.50    0.616   216.75
2045.60    0.612   216.69
2045.70    0.608   216.63
2045.80    0.605   216.58
2045.90    0.601   216.52
2046.00    0.597   216.46
2046.10    0.593   216.40
2046.20    0.589   216.34
2046.30    0.584   216.28
2046.40    0.580   216.21
2046.50    0.576   216.15
2046.60    0.571   216.09
2046.70    0.567   216.02
2046.80    0.562   215.95
2046.90    0.557   215.89
2047.00    0.552   215.82
2047.10    0.548   215.75
2047.20    0.543   215.68
2047.30    0.538   215.60
2047.40    0.532   215.53
2047.50    0.527   215.45
2047.60    0.522   215.38
2047.70    0.517   215.30
2047.80    0.511   215.22
2047.90    0.506   215.14
2048.00    0.500   215.05
2048.10    0.495   214.97
2048.20    0.489   214.88
2048.30    0.483   214.79
2048.40    0.477   214.70
2048.50    0.471   214.60
2048.60    0.465   214.51
2048.70    0.459   214.41
2048.80    0.453   214.31
2048.90    0.447   214.20
2049.00    0.441   214.10
2049.10    0.435   213.98
2049.20    0.428   213.87
2049.30    0.422   213.75
2049.40    0.415   213.63
2049.50    0.409   213.51
2049.60    0.402   213.38
2049.70    0.396   213.25
2049.80    0.389   213.11
2049.90    0.382   212.97
2050.00    0.375   212.82
2050.10    0.368   212.67
2050.20    0.362   212.51
2050.30    0.355   212.34
2050.40    0.348   212.17
2050.50    0.341   211.99
2050.60    0.334   211.80
2050.70    0.326   211.61
2050.80    0.319   211.41
2050.90    0.312   211.19
2051.00    0.305   210.97
2051.10    0.297   210.74
2051.20    0.290   210.49
2051.30    0.283   210.23
2051.40    0.275   209.96
2051.50    0.268   209.68
2051.60    0.261   209.37
2051.70    0.253   209.05
2051.80    0.246   208.71
2051.90    0.238   208.35
2052.00    0.231   207.96
2052.10    0.223   207.55
2052.20    0.215   207.11
2052.30    0.208   206.64
2052.40    0.200   206.13
2052.50    0.193   205.58
2052.60    0.185   204.98
2052.70    0.177   204.34
2052.80    0.170   203.63
2052.90    0.162   202.86
2053.00    0.154   202.02
2053.10    0.147   201.08
2053.20    0.139   200.05
2053.30    0.132   198.90
2053.40    0.124   197.60
2053.50    0.117   196.14
2053.60    0.109   194.49
2053.70    0.102   192.59
2053.80    0.095   190.41
2053.90    0.088   187.88
2054.00    0.081   184.91
2054.10    0.075   181.41
2054.20    0.068   177.26
2054.30    0.063   172.29
2054.40    0.057   166.36
2054.50    0.053   159.32
2054.60    0.049   151.10
2054.70    0.047   141.79
2054.80    0.045   131.74
2054.90    0.046   121.50
2055.00    0.047   111.70
2055.10    0.050   102.81
2055.20    0.054    95.08
2055.30    0.059    88.52
2055.40    0.065    83.01
2055.50    0.071    78.40
2055.60    0.077    74.54
2055.70    0.084    71.27
2055.80    0.091    68.50
2055.90    0.098    66.12
2056.00    0.105    64.07
2056.10    0.113    62.28
2056.20    0.120    60.71
2056.30    0.127    59.32
2056.40    0.135    58.09
2056.50    0.142    56.99
2056.60    0.150    56.00
2056.70    0.158    55.11
2056.80    0.165    54.29
2056.90    0.173    53.55
2057.00    0.181    52.88
2057.10    0.188    52.25
2057.20    0.196    51.68
2057.30    0.204    51.15
2057.40    0.211    50.66
2057.50    0.219    50.20
2057.60    0.227    49.77
2057.70    0.234    49.37
2057.80    0.242    49.00
2057.90    0.249    48.65
2058.00    0.257    48.32
2058.10    0.264    48.00
2058.20    0.272    47.71
2058.30    0.279    47.43
2058.40    0.287    47.17
2058.50    0.294    46.92
2058.60    0.302    46.68
2058.70    0.309    46.45
2058.80    0.317    46.24
2058.90    0.324    46.03
2059.00    0.331    45.83
2059.10    0.339    45.64






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:53:15



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