Double Star Calculator - Orbit

Orbital Elements for HDS2265
WDS: HDS2265 WDS ID/Discoverer
P: 50.430 Orbital period (years)
a: 0.335 Semi-major axis (arcseconds)
i: 59.3 Inclination (degrees)
Ω: 177.7 Longitude of ascending node (degrees)
T: 2021.182 Epoch of periastron passage (year)
e: 0.841 Eccentricity
ω: 344.1 Longitude of periastron (degrees)
Start-Year: 1999.785 Year
End-Year: 2050.215 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS2265
Position: 160349.23+140629.8 Epoch-2000 right ascension and declination
WDS-ID: 16038+1406 WDS designation
Discoverer Code: HDS2265 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 78688 Hipparcos catalog number
V1: 9.34 Magnitude of the primary
V2: 12.23 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2023a Reference

Double Star Orbit for HDS2265



WDS 6th Orbit including measures of HDS2265

-- 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 HDS2265
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.235   325.59
--------------------------
1999.79    0.598   351.77
1999.88    0.598   351.83
1999.98    0.598   351.89
2000.08    0.597   351.95
2000.18    0.597   352.02
2000.28    0.597   352.08
2000.38    0.596   352.14
2000.48    0.596   352.20
2000.58    0.595   352.26
2000.68    0.595   352.33
2000.78    0.594   352.39
2000.88    0.594   352.45
2000.98    0.594   352.52
2001.08    0.593   352.58
2001.18    0.593   352.64
2001.28    0.592   352.70
2001.38    0.591   352.77
2001.48    0.591   352.83
2001.58    0.590   352.89
2001.68    0.590   352.96
2001.78    0.589   353.02
2001.88    0.589   353.09
2001.98    0.588   353.15
2002.08    0.587   353.21
2002.18    0.587   353.28
2002.28    0.586   353.34
2002.38    0.585   353.41
2002.48    0.584   353.47
2002.58    0.584   353.54
2002.68    0.583   353.60
2002.78    0.582   353.67
2002.88    0.581   353.73
2002.98    0.581   353.80
2003.08    0.580   353.86
2003.18    0.579   353.93
2003.28    0.578   353.99
2003.38    0.577   354.06
2003.48    0.576   354.13
2003.58    0.576   354.19
2003.68    0.575   354.26
2003.78    0.574   354.33
2003.88    0.573   354.40
2003.98    0.572   354.46
2004.08    0.571   354.53
2004.18    0.570   354.60
2004.28    0.569   354.67
2004.38    0.568   354.74
2004.48    0.567   354.80
2004.58    0.566   354.87
2004.68    0.565   354.94
2004.78    0.564   355.01
2004.88    0.562   355.08
2004.98    0.561   355.15
2005.08    0.560   355.22
2005.18    0.559   355.29
2005.28    0.558   355.36
2005.38    0.557   355.44
2005.48    0.555   355.51
2005.58    0.554   355.58
2005.68    0.553   355.65
2005.78    0.552   355.72
2005.88    0.550   355.80
2005.98    0.549   355.87
2006.08    0.548   355.94
2006.18    0.546   356.02
2006.28    0.545   356.09
2006.38    0.544   356.17
2006.48    0.542   356.24
2006.58    0.541   356.32
2006.68    0.539   356.39
2006.78    0.538   356.47
2006.88    0.536   356.55
2006.98    0.535   356.62
2007.08    0.533   356.70
2007.18    0.532   356.78
2007.28    0.530   356.86
2007.38    0.529   356.94
2007.48    0.527   357.02
2007.58    0.525   357.10
2007.68    0.524   357.18
2007.78    0.522   357.26
2007.88    0.520   357.34
2007.98    0.519   357.42
2008.08    0.517   357.50
2008.18    0.515   357.59
2008.28    0.514   357.67
2008.38    0.512   357.75
2008.48    0.510   357.84
2008.58    0.508   357.92
2008.68    0.506   358.01
2008.78    0.504   358.10
2008.88    0.503   358.18
2008.98    0.501   358.27
2009.08    0.499   358.36
2009.18    0.497   358.45
2009.28    0.495   358.54
2009.38    0.493   358.63
2009.48    0.491   358.72
2009.58    0.489   358.81
2009.68    0.487   358.91
2009.78    0.485   359.00
2009.88    0.482   359.10
2009.98    0.480   359.19
2010.08    0.478   359.29
2010.18    0.476   359.38
2010.28    0.474   359.48
2010.38    0.472   359.58
2010.48    0.469   359.68
2010.58    0.467   359.78
2010.68    0.465   359.88
2010.78    0.462   359.99
2010.88    0.460     0.09
2010.98    0.458     0.20
2011.08    0.455     0.30
2011.18    0.453     0.41
2011.28    0.450     0.52
2011.38    0.448     0.63
2011.48    0.445     0.74
2011.58    0.443     0.85
2011.68    0.440     0.97
2011.78    0.438     1.08
2011.88    0.435     1.20
2011.98    0.432     1.31
2012.08    0.430     1.43
2012.18    0.427     1.55
2012.28    0.424     1.68
2012.38    0.421     1.80
2012.48    0.419     1.93
2012.58    0.416     2.05
2012.68    0.413     2.18
2012.78    0.410     2.31
2012.88    0.407     2.45
2012.98    0.404     2.58
2013.08    0.401     2.72
2013.18    0.398     2.86
2013.28    0.395     3.00
2013.38    0.392     3.14
2013.48    0.389     3.28
2013.58    0.386     3.43
2013.68    0.382     3.58
2013.78    0.379     3.73
2013.88    0.376     3.89
2013.98    0.373     4.05
2014.08    0.369     4.21
2014.18    0.366     4.37
2014.28    0.362     4.54
2014.38    0.359     4.71
2014.48    0.355     4.88
2014.58    0.352     5.06
2014.68    0.348     5.24
2014.78    0.345     5.43
2014.88    0.341     5.61
2014.98    0.337     5.81
2015.08    0.334     6.00
2015.18    0.330     6.20
2015.28    0.326     6.41
2015.38    0.322     6.62
2015.48    0.318     6.84
2015.58    0.314     7.06
2015.68    0.310     7.28
2015.78    0.306     7.52
2015.88    0.302     7.76
2015.98    0.298     8.00
2016.08    0.294     8.26
2016.18    0.289     8.52
2016.28    0.285     8.79
2016.38    0.281     9.06
2016.48    0.276     9.35
2016.58    0.272     9.64
2016.68    0.267     9.95
2016.78    0.262    10.26
2016.88    0.258    10.59
2016.98    0.253    10.93
2017.08    0.248    11.28
2017.18    0.243    11.65
2017.28    0.238    12.03
2017.38    0.233    12.43
2017.48    0.228    12.85
2017.58    0.223    13.28
2017.68    0.218    13.74
2017.78    0.212    14.21
2017.88    0.207    14.72
2017.98    0.202    15.25
2018.08    0.196    15.81
2018.18    0.190    16.40
2018.28    0.185    17.03
2018.38    0.179    17.70
2018.48    0.173    18.41
2018.58    0.167    19.18
2018.68    0.161    20.01
2018.78    0.155    20.90
2018.88    0.148    21.86
2018.98    0.142    22.91
2019.08    0.135    24.06
2019.18    0.129    25.33
2019.28    0.122    26.74
2019.38    0.115    28.32
2019.48    0.108    30.09
2019.58    0.101    32.11
2019.68    0.094    34.43
2019.78    0.087    37.12
2019.88    0.080    40.30
2019.98    0.073    44.10
2020.08    0.066    48.72
2020.18    0.059    54.41
2020.28    0.053    61.54
2020.38    0.047    70.49
2020.48    0.042    81.66
2020.58    0.039    95.06
2020.68    0.038   110.00
2020.78    0.039   125.06
2020.88    0.041   138.87
2020.98    0.045   150.79
2021.08    0.049   160.92
2021.18    0.052   169.67
2021.28    0.054   177.53
2021.38    0.055   184.87
2021.48    0.056   191.99
2021.58    0.056   199.10
2021.68    0.055   206.31
2021.78    0.055   213.67
2021.88    0.054   221.14
2021.98    0.054   228.66
2022.08    0.055   236.10
2022.18    0.056   243.33
2022.28    0.058   250.22
2022.38    0.060   256.68
2022.48    0.062   262.64
2022.58    0.065   268.09
2022.68    0.069   273.03
2022.78    0.072   277.49
2022.88    0.076   281.50
2022.98    0.080   285.11
2023.08    0.085   288.37
2023.18    0.089   291.31
2023.28    0.094   293.96
2023.38    0.098   296.38
2023.48    0.103   298.58
2023.58    0.107   300.59
2023.68    0.112   302.43
2023.78    0.117   304.12
2023.88    0.121   305.69
2023.98    0.126   307.14
2024.08    0.131   308.48
2024.18    0.135   309.73
2024.28    0.140   310.90
2024.38    0.145   312.00
2024.48    0.149   313.02
2024.58    0.154   313.99
2024.68    0.158   314.90
2024.78    0.163   315.76
2024.88    0.167   316.57
2024.98    0.172   317.34
2025.08    0.176   318.07
2025.18    0.180   318.77
2025.28    0.185   319.43
2025.38    0.189   320.06
2025.48    0.193   320.67
2025.58    0.198   321.25
2025.68    0.202   321.80
2025.78    0.206   322.33
2025.88    0.210   322.84
2025.98    0.214   323.33
2026.08    0.218   323.81
2026.18    0.223   324.26
2026.28    0.227   324.70
2026.38    0.231   325.12
2026.48    0.234   325.53
2026.58    0.238   325.93
2026.68    0.242   326.31
2026.78    0.246   326.68
2026.88    0.250   327.04
2026.98    0.254   327.39
2027.08    0.258   327.73
2027.18    0.261   328.06
2027.28    0.265   328.38
2027.38    0.269   328.69
2027.48    0.272   328.99
2027.58    0.276   329.29
2027.68    0.280   329.57
2027.78    0.283   329.85
2027.88    0.287   330.13
2027.98    0.290   330.39
2028.08    0.294   330.65
2028.18    0.297   330.91
2028.28    0.300   331.15
2028.38    0.304   331.40
2028.48    0.307   331.63
2028.58    0.311   331.86
2028.68    0.314   332.09
2028.78    0.317   332.31
2028.88    0.320   332.53
2028.98    0.324   332.75
2029.08    0.327   332.95
2029.18    0.330   333.16
2029.28    0.333   333.36
2029.38    0.336   333.56
2029.48    0.339   333.75
2029.58    0.342   333.94
2029.68    0.345   334.13
2029.78    0.349   334.31
2029.88    0.352   334.49
2029.98    0.355   334.67
2030.08    0.357   334.85
2030.18    0.360   335.02
2030.28    0.363   335.19
2030.38    0.366   335.35
2030.48    0.369   335.52
2030.58    0.372   335.68
2030.68    0.375   335.84
2030.78    0.378   335.99
2030.88    0.380   336.15
2030.98    0.383   336.30
2031.08    0.386   336.45
2031.18    0.388   336.60
2031.28    0.391   336.74
2031.38    0.394   336.89
2031.48    0.396   337.03
2031.58    0.399   337.17
2031.68    0.402   337.31
2031.78    0.404   337.44
2031.88    0.407   337.58
2031.98    0.409   337.71
2032.08    0.412   337.84
2032.18    0.414   337.97
2032.28    0.417   338.10
2032.38    0.419   338.23
2032.48    0.422   338.35
2032.58    0.424   338.47
2032.68    0.427   338.60
2032.78    0.429   338.72
2032.88    0.431   338.84
2032.98    0.434   338.96
2033.08    0.436   339.07
2033.18    0.438   339.19
2033.28    0.441   339.30
2033.38    0.443   339.42
2033.48    0.445   339.53
2033.58    0.447   339.64
2033.68    0.450   339.75
2033.78    0.452   339.86
2033.88    0.454   339.97
2033.98    0.456   340.07
2034.08    0.458   340.18
2034.18    0.460   340.28
2034.28    0.462   340.39
2034.38    0.464   340.49
2034.48    0.467   340.59
2034.58    0.469   340.69
2034.68    0.471   340.80
2034.78    0.473   340.89
2034.88    0.475   340.99
2034.98    0.477   341.09
2035.08    0.479   341.19
2035.18    0.480   341.28
2035.28    0.482   341.38
2035.38    0.484   341.47
2035.48    0.486   341.57
2035.58    0.488   341.66
2035.68    0.490   341.75
2035.78    0.492   341.85
2035.88    0.494   341.94
2035.98    0.495   342.03
2036.08    0.497   342.12
2036.18    0.499   342.21
2036.28    0.501   342.30
2036.38    0.502   342.38
2036.48    0.504   342.47
2036.58    0.506   342.56
2036.68    0.507   342.64
2036.78    0.509   342.73
2036.88    0.511   342.81
2036.98    0.512   342.90
2037.08    0.514   342.98
2037.18    0.516   343.07
2037.28    0.517   343.15
2037.38    0.519   343.23
2037.48    0.520   343.31
2037.58    0.522   343.40
2037.68    0.523   343.48
2037.78    0.525   343.56
2037.88    0.526   343.64
2037.98    0.528   343.72
2038.08    0.529   343.80
2038.18    0.531   343.87
2038.28    0.532   343.95
2038.38    0.534   344.03
2038.48    0.535   344.11
2038.58    0.537   344.19
2038.68    0.538   344.26
2038.78    0.539   344.34
2038.88    0.541   344.41
2038.98    0.542   344.49
2039.08    0.543   344.57
2039.18    0.545   344.64
2039.28    0.546   344.71
2039.38    0.547   344.79
2039.48    0.548   344.86
2039.58    0.550   344.94
2039.68    0.551   345.01
2039.78    0.552   345.08
2039.88    0.553   345.15
2039.98    0.554   345.23
2040.08    0.555   345.30
2040.18    0.557   345.37
2040.28    0.558   345.44
2040.38    0.559   345.51
2040.48    0.560   345.58
2040.58    0.561   345.65
2040.68    0.562   345.72
2040.78    0.563   345.79
2040.88    0.564   345.86
2040.98    0.565   345.93
2041.08    0.566   346.00
2041.18    0.567   346.07
2041.28    0.568   346.14
2041.38    0.569   346.21
2041.48    0.570   346.28
2041.58    0.571   346.34
2041.68    0.572   346.41
2041.78    0.573   346.48
2041.88    0.574   346.55
2041.98    0.575   346.61
2042.08    0.576   346.68
2042.18    0.576   346.75
2042.28    0.577   346.81
2042.38    0.578   346.88
2042.48    0.579   346.95
2042.58    0.580   347.01
2042.68    0.580   347.08
2042.78    0.581   347.14
2042.88    0.582   347.21
2042.98    0.583   347.27
2043.08    0.583   347.34
2043.18    0.584   347.40
2043.28    0.585   347.47
2043.38    0.586   347.53
2043.48    0.586   347.60
2043.58    0.587   347.66
2043.68    0.587   347.73
2043.78    0.588   347.79
2043.88    0.589   347.85
2043.98    0.589   347.92
2044.08    0.590   347.98
2044.18    0.590   348.04
2044.28    0.591   348.11
2044.38    0.592   348.17
2044.48    0.592   348.23
2044.58    0.593   348.30
2044.68    0.593   348.36
2044.78    0.594   348.42
2044.88    0.594   348.49
2044.98    0.594   348.55
2045.08    0.595   348.61
2045.18    0.595   348.67
2045.28    0.596   348.74
2045.38    0.596   348.80
2045.48    0.597   348.86
2045.58    0.597   348.92
2045.68    0.597   348.99
2045.78    0.598   349.05
2045.88    0.598   349.11
2045.98    0.598   349.17
2046.08    0.599   349.23
2046.18    0.599   349.29
2046.28    0.599   349.36
2046.38    0.599   349.42
2046.48    0.600   349.48
2046.58    0.600   349.54
2046.68    0.600   349.60
2046.78    0.600   349.66
2046.88    0.600   349.73
2046.98    0.601   349.79
2047.08    0.601   349.85
2047.18    0.601   349.91
2047.28    0.601   349.97
2047.38    0.601   350.03
2047.48    0.601   350.09
2047.58    0.601   350.15
2047.68    0.601   350.22
2047.78    0.601   350.28
2047.88    0.601   350.34
2047.98    0.601   350.40
2048.08    0.601   350.46
2048.18    0.601   350.52
2048.28    0.601   350.58
2048.38    0.601   350.64
2048.48    0.601   350.70
2048.58    0.601   350.77
2048.68    0.601   350.83
2048.78    0.601   350.89
2048.88    0.601   350.95
2048.98    0.601   351.01
2049.08    0.601   351.07
2049.18    0.601   351.13
2049.28    0.601   351.20
2049.38    0.600   351.26
2049.48    0.600   351.32
2049.58    0.600   351.38
2049.68    0.600   351.44
2049.78    0.599   351.50
2049.88    0.599   351.56
2049.98    0.599   351.63
2050.08    0.599   351.69
2050.18    0.598   351.75






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 17:21:53



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