Double Star Calculator - Orbit

Orbital Elements for HDS2530
WDS: HDS2530 WDS ID/Discoverer
P: 59.900 Orbital period (years)
a: 0.514 Semi-major axis (arcseconds)
i: 58.9 Inclination (degrees)
Ω: 143.7 Longitude of ascending node (degrees)
T: 1998.250 Epoch of periastron passage (year)
e: 0.608 Eccentricity
ω: 250.9 Longitude of periastron (degrees)
Start-Year: 1995.05 Year
End-Year: 2054.95 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for HDS2530
Position: 175740.96-214309.5 Epoch-2000 right ascension and declination
WDS-ID: 17577-2143 WDS designation
Discoverer Code: HDS2530 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 163573 HD catalog number
Hipparcos number: 87925 Hipparcos catalog number
V1: 10.21 Magnitude of the primary
V2: 12.68 Magnitude of the secondary
Equinox: Equinox
Date: 2018 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: Tok2019c Reference

Double Star Orbit for HDS2530



WDS 6th Orbit including measures of HDS2530

-- 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 HDS2530
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.503   195.33
--------------------------
1995.05    0.284   320.47
1995.15    0.281   321.28
1995.25    0.277   322.12
1995.35    0.273   322.98
1995.45    0.270   323.86
1995.55    0.266   324.77
1995.65    0.261   325.71
1995.75    0.257   326.68
1995.85    0.253   327.68
1995.95    0.248   328.72
1996.05    0.243   329.80
1996.15    0.238   330.92
1996.25    0.233   332.09
1996.35    0.228   333.31
1996.45    0.223   334.59
1996.55    0.217   335.94
1996.65    0.212   337.35
1996.75    0.206   338.84
1996.85    0.200   340.42
1996.95    0.194   342.10
1997.05    0.188   343.88
1997.15    0.182   345.78
1997.25    0.176   347.82
1997.35    0.169   350.01
1997.45    0.163   352.36
1997.55    0.157   354.90
1997.65    0.151   357.66
1997.75    0.145     0.64
1997.85    0.139     3.89
1997.95    0.133     7.41
1998.05    0.128    11.24
1998.15    0.123    15.38
1998.25    0.118    19.86
1998.35    0.114    24.67
1998.45    0.111    29.79
1998.55    0.109    35.18
1998.65    0.107    40.79
1998.75    0.106    46.54
1998.85    0.106    52.32
1998.95    0.107    58.06
1999.05    0.109    63.65
1999.15    0.111    69.02
1999.25    0.115    74.11
1999.35    0.119    78.89
1999.45    0.124    83.32
1999.55    0.129    87.42
1999.65    0.134    91.19
1999.75    0.140    94.66
1999.85    0.146    97.83
1999.95    0.153   100.75
2000.05    0.159   103.42
2000.15    0.166   105.88
2000.25    0.173   108.15
2000.35    0.180   110.24
2000.45    0.187   112.18
2000.55    0.194   113.98
2000.65    0.201   115.66
2000.75    0.208   117.22
2000.85    0.214   118.69
2000.95    0.221   120.06
2001.05    0.228   121.35
2001.15    0.235   122.57
2001.25    0.241   123.72
2001.35    0.248   124.81
2001.45    0.254   125.84
2001.55    0.261   126.82
2001.65    0.267   127.75
2001.75    0.273   128.65
2001.85    0.279   129.50
2001.95    0.285   130.32
2002.05    0.291   131.10
2002.15    0.297   131.85
2002.25    0.303   132.57
2002.35    0.309   133.27
2002.45    0.314   133.94
2002.55    0.320   134.59
2002.65    0.325   135.22
2002.75    0.330   135.82
2002.85    0.336   136.41
2002.95    0.341   136.98
2003.05    0.346   137.53
2003.15    0.351   138.07
2003.25    0.355   138.59
2003.35    0.360   139.10
2003.45    0.365   139.60
2003.55    0.369   140.08
2003.65    0.374   140.55
2003.75    0.378   141.01
2003.85    0.383   141.46
2003.95    0.387   141.90
2004.05    0.391   142.33
2004.15    0.395   142.75
2004.25    0.399   143.17
2004.35    0.403   143.57
2004.45    0.407   143.97
2004.55    0.411   144.36
2004.65    0.415   144.74
2004.75    0.418   145.11
2004.85    0.422   145.48
2004.95    0.425   145.85
2005.05    0.429   146.20
2005.15    0.432   146.55
2005.25    0.436   146.90
2005.35    0.439   147.24
2005.45    0.442   147.58
2005.55    0.445   147.91
2005.65    0.449   148.23
2005.75    0.452   148.55
2005.85    0.455   148.87
2005.95    0.458   149.18
2006.05    0.460   149.49
2006.15    0.463   149.80
2006.25    0.466   150.10
2006.35    0.469   150.40
2006.45    0.471   150.69
2006.55    0.474   150.98
2006.65    0.477   151.27
2006.75    0.479   151.56
2006.85    0.482   151.84
2006.95    0.484   152.12
2007.05    0.486   152.40
2007.15    0.489   152.67
2007.25    0.491   152.94
2007.35    0.493   153.21
2007.45    0.495   153.48
2007.55    0.498   153.74
2007.65    0.500   154.00
2007.75    0.502   154.26
2007.85    0.504   154.52
2007.95    0.506   154.77
2008.05    0.508   155.03
2008.15    0.510   155.28
2008.25    0.511   155.53
2008.35    0.513   155.78
2008.45    0.515   156.02
2008.55    0.517   156.27
2008.65    0.519   156.51
2008.75    0.520   156.75
2008.85    0.522   156.99
2008.95    0.523   157.23
2009.05    0.525   157.47
2009.15    0.527   157.70
2009.25    0.528   157.94
2009.35    0.530   158.17
2009.45    0.531   158.40
2009.55    0.532   158.63
2009.65    0.534   158.86
2009.75    0.535   159.09
2009.85    0.536   159.32
2009.95    0.538   159.54
2010.05    0.539   159.77
2010.15    0.540   159.99
2010.25    0.541   160.21
2010.35    0.542   160.43
2010.45    0.544   160.66
2010.55    0.545   160.88
2010.65    0.546   161.09
2010.75    0.547   161.31
2010.85    0.548   161.53
2010.95    0.549   161.75
2011.05    0.550   161.96
2011.15    0.551   162.18
2011.25    0.552   162.39
2011.35    0.552   162.61
2011.45    0.553   162.82
2011.55    0.554   163.03
2011.65    0.555   163.24
2011.75    0.556   163.45
2011.85    0.556   163.67
2011.95    0.557   163.88
2012.05    0.558   164.08
2012.15    0.559   164.29
2012.25    0.559   164.50
2012.35    0.560   164.71
2012.45    0.560   164.92
2012.55    0.561   165.13
2012.65    0.562   165.33
2012.75    0.562   165.54
2012.85    0.563   165.74
2012.95    0.563   165.95
2013.05    0.564   166.15
2013.15    0.564   166.36
2013.25    0.564   166.56
2013.35    0.565   166.77
2013.45    0.565   166.97
2013.55    0.566   167.18
2013.65    0.566   167.38
2013.75    0.566   167.58
2013.85    0.567   167.79
2013.95    0.567   167.99
2014.05    0.567   168.19
2014.15    0.567   168.39
2014.25    0.568   168.60
2014.35    0.568   168.80
2014.45    0.568   169.00
2014.55    0.568   169.20
2014.65    0.568   169.40
2014.75    0.569   169.60
2014.85    0.569   169.81
2014.95    0.569   170.01
2015.05    0.569   170.21
2015.15    0.569   170.41
2015.25    0.569   170.61
2015.35    0.569   170.81
2015.45    0.569   171.01
2015.55    0.569   171.21
2015.65    0.569   171.41
2015.75    0.569   171.61
2015.85    0.569   171.82
2015.95    0.569   172.02
2016.05    0.569   172.22
2016.15    0.569   172.42
2016.25    0.569   172.62
2016.35    0.569   172.82
2016.45    0.569   173.02
2016.55    0.568   173.22
2016.65    0.568   173.43
2016.75    0.568   173.63
2016.85    0.568   173.83
2016.95    0.568   174.03
2017.05    0.567   174.23
2017.15    0.567   174.44
2017.25    0.567   174.64
2017.35    0.567   174.84
2017.45    0.566   175.04
2017.55    0.566   175.25
2017.65    0.566   175.45
2017.75    0.566   175.65
2017.85    0.565   175.86
2017.95    0.565   176.06
2018.05    0.565   176.27
2018.15    0.564   176.47
2018.25    0.564   176.67
2018.35    0.563   176.88
2018.45    0.563   177.09
2018.55    0.563   177.29
2018.65    0.562   177.50
2018.75    0.562   177.70
2018.85    0.561   177.91
2018.95    0.561   178.12
2019.05    0.561   178.32
2019.15    0.560   178.53
2019.25    0.560   178.74
2019.35    0.559   178.95
2019.45    0.559   179.15
2019.55    0.558   179.36
2019.65    0.558   179.57
2019.75    0.557   179.78
2019.85    0.556   179.99
2019.95    0.556   180.20
2020.05    0.555   180.41
2020.15    0.555   180.63
2020.25    0.554   180.84
2020.35    0.554   181.05
2020.45    0.553   181.26
2020.55    0.552   181.48
2020.65    0.552   181.69
2020.75    0.551   181.90
2020.85    0.550   182.12
2020.95    0.550   182.33
2021.05    0.549   182.55
2021.15    0.548   182.77
2021.25    0.548   182.98
2021.35    0.547   183.20
2021.45    0.546   183.42
2021.55    0.546   183.64
2021.65    0.545   183.85
2021.75    0.544   184.07
2021.85    0.544   184.29
2021.95    0.543   184.51
2022.05    0.542   184.74
2022.15    0.541   184.96
2022.25    0.541   185.18
2022.35    0.540   185.40
2022.45    0.539   185.63
2022.55    0.538   185.85
2022.65    0.537   186.08
2022.75    0.537   186.30
2022.85    0.536   186.53
2022.95    0.535   186.76
2023.05    0.534   186.98
2023.15    0.533   187.21
2023.25    0.533   187.44
2023.35    0.532   187.67
2023.45    0.531   187.90
2023.55    0.530   188.13
2023.65    0.529   188.37
2023.75    0.528   188.60
2023.85    0.528   188.83
2023.95    0.527   189.07
2024.05    0.526   189.30
2024.15    0.525   189.54
2024.25    0.524   189.77
2024.35    0.523   190.01
2024.45    0.522   190.25
2024.55    0.521   190.49
2024.65    0.520   190.73
2024.75    0.520   190.97
2024.85    0.519   191.21
2024.95    0.518   191.45
2025.05    0.517   191.70
2025.15    0.516   191.94
2025.25    0.515   192.19
2025.35    0.514   192.43
2025.45    0.513   192.68
2025.55    0.512   192.93
2025.65    0.511   193.18
2025.75    0.510   193.43
2025.85    0.509   193.68
2025.95    0.508   193.93
2026.05    0.507   194.18
2026.15    0.506   194.44
2026.25    0.505   194.69
2026.35    0.504   194.95
2026.45    0.503   195.20
2026.55    0.502   195.46
2026.65    0.501   195.72
2026.75    0.500   195.98
2026.85    0.499   196.24
2026.95    0.498   196.50
2027.05    0.497   196.76
2027.15    0.496   197.03
2027.25    0.495   197.29
2027.35    0.494   197.56
2027.45    0.493   197.82
2027.55    0.492   198.09
2027.65    0.491   198.36
2027.75    0.490   198.63
2027.85    0.489   198.90
2027.95    0.488   199.18
2028.05    0.487   199.45
2028.15    0.486   199.72
2028.25    0.485   200.00
2028.35    0.484   200.28
2028.45    0.483   200.56
2028.55    0.482   200.84
2028.65    0.481   201.12
2028.75    0.480   201.40
2028.85    0.479   201.68
2028.95    0.478   201.97
2029.05    0.477   202.25
2029.15    0.476   202.54
2029.25    0.475   202.83
2029.35    0.474   203.12
2029.45    0.473   203.41
2029.55    0.472   203.70
2029.65    0.471   203.99
2029.75    0.470   204.29
2029.85    0.469   204.58
2029.95    0.468   204.88
2030.05    0.467   205.18
2030.15    0.465   205.48
2030.25    0.464   205.78
2030.35    0.463   206.08
2030.45    0.462   206.39
2030.55    0.461   206.69
2030.65    0.460   207.00
2030.75    0.459   207.31
2030.85    0.458   207.62
2030.95    0.457   207.93
2031.05    0.456   208.24
2031.15    0.455   208.55
2031.25    0.454   208.87
2031.35    0.453   209.18
2031.45    0.452   209.50
2031.55    0.451   209.82
2031.65    0.450   210.14
2031.75    0.449   210.46
2031.85    0.448   210.79
2031.95    0.447   211.11
2032.05    0.446   211.44
2032.15    0.445   211.77
2032.25    0.444   212.10
2032.35    0.443   212.43
2032.45    0.442   212.76
2032.55    0.441   213.10
2032.65    0.440   213.43
2032.75    0.439   213.77
2032.85    0.438   214.11
2032.95    0.437   214.45
2033.05    0.436   214.79
2033.15    0.435   215.13
2033.25    0.434   215.48
2033.35    0.433   215.82
2033.45    0.432   216.17
2033.55    0.431   216.52
2033.65    0.430   216.87
2033.75    0.429   217.23
2033.85    0.428   217.58
2033.95    0.427   217.94
2034.05    0.426   218.29
2034.15    0.425   218.65
2034.25    0.424   219.01
2034.35    0.423   219.38
2034.45    0.423   219.74
2034.55    0.422   220.11
2034.65    0.421   220.47
2034.75    0.420   220.84
2034.85    0.419   221.21
2034.95    0.418   221.58
2035.05    0.417   221.96
2035.15    0.416   222.33
2035.25    0.415   222.71
2035.35    0.414   223.09
2035.45    0.414   223.47
2035.55    0.413   223.85
2035.65    0.412   224.23
2035.75    0.411   224.62
2035.85    0.410   225.00
2035.95    0.409   225.39
2036.05    0.408   225.78
2036.15    0.408   226.17
2036.25    0.407   226.57
2036.35    0.406   226.96
2036.45    0.405   227.36
2036.55    0.404   227.75
2036.65    0.403   228.15
2036.75    0.403   228.55
2036.85    0.402   228.96
2036.95    0.401   229.36
2037.05    0.400   229.77
2037.15    0.400   230.17
2037.25    0.399   230.58
2037.35    0.398   230.99
2037.45    0.397   231.40
2037.55    0.397   231.82
2037.65    0.396   232.23
2037.75    0.395   232.65
2037.85    0.394   233.07
2037.95    0.394   233.49
2038.05    0.393   233.91
2038.15    0.392   234.33
2038.25    0.392   234.75
2038.35    0.391   235.18
2038.45    0.390   235.61
2038.55    0.390   236.03
2038.65    0.389   236.46
2038.75    0.388   236.89
2038.85    0.388   237.33
2038.95    0.387   237.76
2039.05    0.386   238.20
2039.15    0.386   238.63
2039.25    0.385   239.07
2039.35    0.385   239.51
2039.45    0.384   239.95
2039.55    0.384   240.39
2039.65    0.383   240.84
2039.75    0.382   241.28
2039.85    0.382   241.73
2039.95    0.381   242.17
2040.05    0.381   242.62
2040.15    0.380   243.07
2040.25    0.380   243.52
2040.35    0.379   243.98
2040.45    0.379   244.43
2040.55    0.378   244.88
2040.65    0.378   245.34
2040.75    0.377   245.80
2040.85    0.377   246.25
2040.95    0.376   246.71
2041.05    0.376   247.17
2041.15    0.376   247.63
2041.25    0.375   248.10
2041.35    0.375   248.56
2041.45    0.374   249.02
2041.55    0.374   249.49
2041.65    0.374   249.96
2041.75    0.373   250.42
2041.85    0.373   250.89
2041.95    0.372   251.36
2042.05    0.372   251.83
2042.15    0.372   252.30
2042.25    0.371   252.77
2042.35    0.371   253.25
2042.45    0.371   253.72
2042.55    0.370   254.19
2042.65    0.370   254.67
2042.75    0.370   255.14
2042.85    0.370   255.62
2042.95    0.369   256.10
2043.05    0.369   256.58
2043.15    0.369   257.05
2043.25    0.368   257.53
2043.35    0.368   258.01
2043.45    0.368   258.49
2043.55    0.368   258.98
2043.65    0.367   259.46
2043.75    0.367   259.94
2043.85    0.367   260.42
2043.95    0.367   260.91
2044.05    0.367   261.39
2044.15    0.366   261.88
2044.25    0.366   262.36
2044.35    0.366   262.85
2044.45    0.366   263.33
2044.55    0.366   263.82
2044.65    0.366   264.31
2044.75    0.365   264.79
2044.85    0.365   265.28
2044.95    0.365   265.77
2045.05    0.365   266.26
2045.15    0.365   266.75
2045.25    0.365   267.24
2045.35    0.365   267.73
2045.45    0.364   268.22
2045.55    0.364   268.71
2045.65    0.364   269.20
2045.75    0.364   269.69
2045.85    0.364   270.18
2045.95    0.364   270.67
2046.05    0.364   271.16
2046.15    0.364   271.66
2046.25    0.363   272.15
2046.35    0.363   272.64
2046.45    0.363   273.14
2046.55    0.363   273.63
2046.65    0.363   274.12
2046.75    0.363   274.62
2046.85    0.363   275.11
2046.95    0.363   275.61
2047.05    0.363   276.10
2047.15    0.363   276.60
2047.25    0.362   277.09
2047.35    0.362   277.59
2047.45    0.362   278.09
2047.55    0.362   278.58
2047.65    0.362   279.08
2047.75    0.362   279.58
2047.85    0.362   280.07
2047.95    0.362   280.57
2048.05    0.361   281.07
2048.15    0.361   281.57
2048.25    0.361   282.07
2048.35    0.361   282.57
2048.45    0.361   283.07
2048.55    0.361   283.57
2048.65    0.360   284.07
2048.75    0.360   284.57
2048.85    0.360   285.07
2048.95    0.360   285.58
2049.05    0.359   286.08
2049.15    0.359   286.58
2049.25    0.359   287.09
2049.35    0.359   287.60
2049.45    0.358   288.10
2049.55    0.358   288.61
2049.65    0.358   289.12
2049.75    0.357   289.63
2049.85    0.357   290.14
2049.95    0.357   290.65
2050.05    0.356   291.16
2050.15    0.356   291.67
2050.25    0.355   292.19
2050.35    0.355   292.70
2050.45    0.355   293.22
2050.55    0.354   293.74
2050.65    0.354   294.26
2050.75    0.353   294.78
2050.85    0.352   295.31
2050.95    0.352   295.83
2051.05    0.351   296.36
2051.15    0.350   296.89
2051.25    0.350   297.42
2051.35    0.349   297.95
2051.45    0.348   298.49
2051.55    0.347   299.03
2051.65    0.347   299.57
2051.75    0.346   300.11
2051.85    0.345   300.66
2051.95    0.344   301.21
2052.05    0.343   301.76
2052.15    0.342   302.31
2052.25    0.341   302.87
2052.35    0.339   303.44
2052.45    0.338   304.00
2052.55    0.337   304.58
2052.65    0.336   305.15
2052.75    0.334   305.73
2052.85    0.333   306.32
2052.95    0.331   306.91
2053.05    0.330   307.50
2053.15    0.328   308.11
2053.25    0.326   308.71
2053.35    0.325   309.33
2053.45    0.323   309.95
2053.55    0.321   310.58
2053.65    0.319   311.21
2053.75    0.317   311.86
2053.85    0.315   312.51
2053.95    0.312   313.17
2054.05    0.310   313.85
2054.15    0.308   314.53
2054.25    0.305   315.22
2054.35    0.302   315.93
2054.45    0.300   316.65
2054.55    0.297   317.38
2054.65    0.294   318.13
2054.75    0.291   318.89
2054.85    0.287   319.67



 

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 17:45:17


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