Double Star Calculator - Orbit

Orbital Elements for HU575AB
WDS: HU575AB WDS ID/Discoverer
P: 51.700 Orbital period (years)
a: 0.64 Semi-major axis (arcseconds)
i: 120.0 Inclination (degrees)
Ω: 178.0 Longitude of ascending node (degrees)
T: 1982.000 Epoch of periastron passage (year)
e: 0.09 Eccentricity
ω: 204.0 Longitude of periastron (degrees)
Start-Year: 1999.15 Year
End-Year: 2050.85 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU575AB
Position: 144233.63+192846.9 Epoch-2000 right ascension and declination
WDS-ID: 14426+1929 WDS designation
Discoverer Code: HU575AB Discover designation and components
ADS number: 9352 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 71914 Hipparcos catalog number
V1: 9.77 Magnitude of the primary
V2: 10.05 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sod1999 Reference

Double Star Orbit for HU575AB



WDS 6th Orbit including measures of HU575AB

-- 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 HU575AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.528    17.05
--------------------------
1999.15    0.614   192.95
1999.25    0.617   192.57
1999.35    0.619   192.20
1999.45    0.622   191.83
1999.55    0.625   191.47
1999.65    0.628   191.10
1999.75    0.631   190.75
1999.85    0.633   190.39
1999.95    0.636   190.04
2000.05    0.639   189.69
2000.15    0.641   189.34
2000.25    0.644   189.00
2000.35    0.646   188.66
2000.45    0.648   188.32
2000.55    0.651   187.98
2000.65    0.653   187.65
2000.75    0.655   187.31
2000.85    0.657   186.98
2000.95    0.659   186.66
2001.05    0.661   186.33
2001.15    0.663   186.01
2001.25    0.665   185.68
2001.35    0.667   185.36
2001.45    0.668   185.04
2001.55    0.670   184.73
2001.65    0.672   184.41
2001.75    0.673   184.10
2001.85    0.675   183.78
2001.95    0.676   183.47
2002.05    0.678   183.16
2002.15    0.679   182.86
2002.25    0.680   182.55
2002.35    0.681   182.24
2002.45    0.683   181.94
2002.55    0.684   181.63
2002.65    0.685   181.33
2002.75    0.686   181.03
2002.85    0.686   180.72
2002.95    0.687   180.42
2003.05    0.688   180.12
2003.15    0.689   179.82
2003.25    0.689   179.52
2003.35    0.690   179.22
2003.45    0.690   178.93
2003.55    0.691   178.63
2003.65    0.691   178.33
2003.75    0.692   178.03
2003.85    0.692   177.74
2003.95    0.692   177.44
2004.05    0.692   177.15
2004.15    0.692   176.85
2004.25    0.692   176.55
2004.35    0.692   176.26
2004.45    0.692   175.96
2004.55    0.692   175.66
2004.65    0.692   175.37
2004.75    0.691   175.07
2004.85    0.691   174.77
2004.95    0.691   174.47
2005.05    0.690   174.18
2005.15    0.690   173.88
2005.25    0.689   173.58
2005.35    0.688   173.28
2005.45    0.688   172.98
2005.55    0.687   172.68
2005.65    0.686   172.38
2005.75    0.685   172.08
2005.85    0.684   171.77
2005.95    0.683   171.47
2006.05    0.682   171.16
2006.15    0.681   170.86
2006.25    0.680   170.55
2006.35    0.679   170.24
2006.45    0.677   169.93
2006.55    0.676   169.62
2006.65    0.674   169.31
2006.75    0.673   169.00
2006.85    0.671   168.69
2006.95    0.670   168.37
2007.05    0.668   168.05
2007.15    0.666   167.73
2007.25    0.665   167.41
2007.35    0.663   167.09
2007.45    0.661   166.77
2007.55    0.659   166.44
2007.65    0.657   166.11
2007.75    0.655   165.78
2007.85    0.653   165.45
2007.95    0.651   165.12
2008.05    0.649   164.78
2008.15    0.646   164.44
2008.25    0.644   164.10
2008.35    0.642   163.76
2008.45    0.639   163.41
2008.55    0.637   163.06
2008.65    0.634   162.71
2008.75    0.632   162.35
2008.85    0.629   162.00
2008.95    0.627   161.64
2009.05    0.624   161.27
2009.15    0.621   160.91
2009.25    0.618   160.54
2009.35    0.616   160.16
2009.45    0.613   159.79
2009.55    0.610   159.41
2009.65    0.607   159.02
2009.75    0.604   158.64
2009.85    0.601   158.24
2009.95    0.598   157.85
2010.05    0.595   157.45
2010.15    0.591   157.04
2010.25    0.588   156.64
2010.35    0.585   156.22
2010.45    0.582   155.81
2010.55    0.578   155.38
2010.65    0.575   154.96
2010.75    0.572   154.53
2010.85    0.568   154.09
2010.95    0.565   153.65
2011.05    0.561   153.20
2011.15    0.558   152.74
2011.25    0.554   152.29
2011.35    0.551   151.82
2011.45    0.547   151.35
2011.55    0.544   150.87
2011.65    0.540   150.39
2011.75    0.536   149.90
2011.85    0.533   149.40
2011.95    0.529   148.90
2012.05    0.525   148.39
2012.15    0.521   147.87
2012.25    0.518   147.34
2012.35    0.514   146.81
2012.45    0.510   146.27
2012.55    0.506   145.72
2012.65    0.503   145.16
2012.75    0.499   144.59
2012.85    0.495   144.02
2012.95    0.491   143.43
2013.05    0.487   142.84
2013.15    0.483   142.23
2013.25    0.479   141.62
2013.35    0.476   141.00
2013.45    0.472   140.37
2013.55    0.468   139.72
2013.65    0.464   139.07
2013.75    0.460   138.40
2013.85    0.456   137.73
2013.95    0.452   137.04
2014.05    0.449   136.34
2014.15    0.445   135.63
2014.25    0.441   134.90
2014.35    0.437   134.17
2014.45    0.434   133.42
2014.55    0.430   132.66
2014.65    0.426   131.88
2014.75    0.422   131.09
2014.85    0.419   130.29
2014.95    0.415   129.47
2015.05    0.412   128.64
2015.15    0.408   127.79
2015.25    0.405   126.93
2015.35    0.401   126.06
2015.45    0.398   125.17
2015.55    0.394   124.26
2015.65    0.391   123.34
2015.75    0.388   122.40
2015.85    0.385   121.45
2015.95    0.381   120.48
2016.05    0.378   119.50
2016.15    0.375   118.50
2016.25    0.372   117.48
2016.35    0.369   116.45
2016.45    0.367   115.40
2016.55    0.364   114.33
2016.65    0.361   113.25
2016.75    0.359   112.16
2016.85    0.356   111.05
2016.95    0.354   109.92
2017.05    0.352   108.78
2017.15    0.349   107.62
2017.25    0.347   106.45
2017.35    0.345   105.27
2017.45    0.343   104.07
2017.55    0.342   102.86
2017.65    0.340   101.64
2017.75    0.338   100.40
2017.85    0.337    99.15
2017.95    0.336    97.90
2018.05    0.334    96.63
2018.15    0.333    95.36
2018.25    0.332    94.08
2018.35    0.332    92.79
2018.45    0.331    91.49
2018.55    0.330    90.19
2018.65    0.330    88.89
2018.75    0.329    87.58
2018.85    0.329    86.27
2018.95    0.329    84.96
2019.05    0.329    83.65
2019.15    0.329    82.34
2019.25    0.330    81.03
2019.35    0.330    79.72
2019.45    0.331    78.42
2019.55    0.331    77.12
2019.65    0.332    75.83
2019.75    0.333    74.54
2019.85    0.334    73.27
2019.95    0.335    72.00
2020.05    0.336    70.74
2020.15    0.338    69.49
2020.25    0.339    68.25
2020.35    0.341    67.02
2020.45    0.343    65.80
2020.55    0.344    64.60
2020.65    0.346    63.41
2020.75    0.348    62.23
2020.85    0.350    61.07
2020.95    0.353    59.92
2021.05    0.355    58.78
2021.15    0.357    57.66
2021.25    0.360    56.56
2021.35    0.362    55.47
2021.45    0.365    54.39
2021.55    0.368    53.33
2021.65    0.370    52.29
2021.75    0.373    51.26
2021.85    0.376    50.25
2021.95    0.379    49.25
2022.05    0.382    48.27
2022.15    0.385    47.31
2022.25    0.388    46.35
2022.35    0.391    45.42
2022.45    0.394    44.50
2022.55    0.398    43.59
2022.65    0.401    42.70
2022.75    0.404    41.83
2022.85    0.408    40.97
2022.95    0.411    40.12
2023.05    0.414    39.28
2023.15    0.418    38.46
2023.25    0.421    37.66
2023.35    0.425    36.86
2023.45    0.428    36.08
2023.55    0.432    35.31
2023.65    0.435    34.56
2023.75    0.439    33.81
2023.85    0.442    33.08
2023.95    0.446    32.36
2024.05    0.449    31.65
2024.15    0.452    30.95
2024.25    0.456    30.26
2024.35    0.459    29.58
2024.45    0.463    28.91
2024.55    0.466    28.26
2024.65    0.470    27.61
2024.75    0.473    26.97
2024.85    0.477    26.34
2024.95    0.480    25.72
2025.05    0.483    25.10
2025.15    0.487    24.50
2025.25    0.490    23.90
2025.35    0.493    23.32
2025.45    0.496    22.74
2025.55    0.500    22.16
2025.65    0.503    21.60
2025.75    0.506    21.04
2025.85    0.509    20.49
2025.95    0.512    19.94
2026.05    0.515    19.40
2026.15    0.518    18.87
2026.25    0.521    18.34
2026.35    0.524    17.82
2026.45    0.526    17.31
2026.55    0.529    16.80
2026.65    0.532    16.29
2026.75    0.535    15.79
2026.85    0.537    15.30
2026.95    0.540    14.81
2027.05    0.542    14.33
2027.15    0.545    13.84
2027.25    0.547    13.37
2027.35    0.549    12.90
2027.45    0.552    12.43
2027.55    0.554    11.96
2027.65    0.556    11.50
2027.75    0.558    11.04
2027.85    0.560    10.59
2027.95    0.562    10.14
2028.05    0.564     9.69
2028.15    0.566     9.25
2028.25    0.568     8.80
2028.35    0.569     8.36
2028.45    0.571     7.93
2028.55    0.572     7.49
2028.65    0.574     7.06
2028.75    0.575     6.63
2028.85    0.577     6.20
2028.95    0.578     5.78
2029.05    0.579     5.35
2029.15    0.580     4.93
2029.25    0.581     4.51
2029.35    0.582     4.09
2029.45    0.583     3.67
2029.55    0.584     3.25
2029.65    0.584     2.83
2029.75    0.585     2.42
2029.85    0.586     2.00
2029.95    0.586     1.59
2030.05    0.586     1.18
2030.15    0.587     0.76
2030.25    0.587     0.35
2030.35    0.587   359.94
2030.45    0.587   359.53
2030.55    0.587   359.11
2030.65    0.587   358.70
2030.75    0.587   358.29
2030.85    0.586   357.88
2030.95    0.586   357.46
2031.05    0.586   357.05
2031.15    0.585   356.64
2031.25    0.585   356.22
2031.35    0.584   355.81
2031.45    0.583   355.39
2031.55    0.582   354.97
2031.65    0.581   354.55
2031.75    0.580   354.13
2031.85    0.579   353.71
2031.95    0.578   353.28
2032.05    0.577   352.86
2032.15    0.576   352.43
2032.25    0.574   352.00
2032.35    0.573   351.57
2032.45    0.571   351.13
2032.55    0.569   350.70
2032.65    0.568   350.26
2032.75    0.566   349.82
2032.85    0.564   349.37
2032.95    0.562   348.92
2033.05    0.560   348.47
2033.15    0.558   348.02
2033.25    0.556   347.56
2033.35    0.554   347.10
2033.45    0.551   346.63
2033.55    0.549   346.16
2033.65    0.546   345.69
2033.75    0.544   345.21
2033.85    0.541   344.73
2033.95    0.539   344.24
2034.05    0.536   343.75
2034.15    0.533   343.25
2034.25    0.530   342.75
2034.35    0.527   342.24
2034.45    0.524   341.73
2034.55    0.521   341.21
2034.65    0.518   340.68
2034.75    0.515   340.15
2034.85    0.512   339.61
2034.95    0.508   339.06
2035.05    0.505   338.51
2035.15    0.502   337.95
2035.25    0.498   337.38
2035.35    0.495   336.80
2035.45    0.491   336.22
2035.55    0.488   335.63
2035.65    0.484   335.03
2035.75    0.480   334.42
2035.85    0.477   333.80
2035.95    0.473   333.17
2036.05    0.469   332.53
2036.15    0.466   331.88
2036.25    0.462   331.21
2036.35    0.458   330.54
2036.45    0.454   329.86
2036.55    0.450   329.16
2036.65    0.446   328.46
2036.75    0.442   327.74
2036.85    0.438   327.01
2036.95    0.434   326.26
2037.05    0.430   325.50
2037.15    0.427   324.73
2037.25    0.423   323.94
2037.35    0.419   323.14
2037.45    0.415   322.32
2037.55    0.411   321.48
2037.65    0.407   320.63
2037.75    0.403   319.77
2037.85    0.399   318.88
2037.95    0.395   317.98
2038.05    0.391   317.06
2038.15    0.387   316.12
2038.25    0.384   315.17
2038.35    0.380   314.19
2038.45    0.376   313.20
2038.55    0.372   312.19
2038.65    0.369   311.15
2038.75    0.365   310.10
2038.85    0.362   309.02
2038.95    0.358   307.93
2039.05    0.355   306.81
2039.15    0.352   305.67
2039.25    0.348   304.51
2039.35    0.345   303.33
2039.45    0.342   302.13
2039.55    0.339   300.91
2039.65    0.336   299.67
2039.75    0.334   298.40
2039.85    0.331   297.11
2039.95    0.328   295.81
2040.05    0.326   294.48
2040.15    0.324   293.14
2040.25    0.322   291.77
2040.35    0.319   290.39
2040.45    0.318   288.99
2040.55    0.316   287.57
2040.65    0.314   286.14
2040.75    0.313   284.69
2040.85    0.311   283.23
2040.95    0.310   281.76
2041.05    0.309   280.28
2041.15    0.308   278.78
2041.25    0.307   277.28
2041.35    0.307   275.78
2041.45    0.306   274.26
2041.55    0.306   272.75
2041.65    0.306   271.23
2041.75    0.306   269.71
2041.85    0.306   268.20
2041.95    0.307   266.68
2042.05    0.307   265.17
2042.15    0.308   263.67
2042.25    0.309   262.18
2042.35    0.310   260.69
2042.45    0.311   259.22
2042.55    0.312   257.75
2042.65    0.314   256.30
2042.75    0.315   254.86
2042.85    0.317   253.44
2042.95    0.319   252.04
2043.05    0.321   250.65
2043.15    0.323   249.28
2043.25    0.326   247.93
2043.35    0.328   246.60
2043.45    0.331   245.29
2043.55    0.333   244.00
2043.65    0.336   242.73
2043.75    0.339   241.49
2043.85    0.342   240.26
2043.95    0.345   239.06
2044.05    0.348   237.87
2044.15    0.351   236.71
2044.25    0.355   235.57
2044.35    0.358   234.46
2044.45    0.362   233.36
2044.55    0.365   232.29
2044.65    0.369   231.23
2044.75    0.373   230.20
2044.85    0.377   229.19
2044.95    0.381   228.20
2045.05    0.384   227.23
2045.15    0.388   226.28
2045.25    0.392   225.35
2045.35    0.396   224.43
2045.45    0.401   223.54
2045.55    0.405   222.66
2045.65    0.409   221.80
2045.75    0.413   220.96
2045.85    0.417   220.14
2045.95    0.422   219.33
2046.05    0.426   218.54
2046.15    0.430   217.77
2046.25    0.434   217.01
2046.35    0.439   216.26
2046.45    0.443   215.53
2046.55    0.447   214.81
2046.65    0.452   214.11
2046.75    0.456   213.42
2046.85    0.460   212.74
2046.95    0.465   212.08
2047.05    0.469   211.43
2047.15    0.473   210.79
2047.25    0.478   210.16
2047.35    0.482   209.54
2047.45    0.486   208.93
2047.55    0.490   208.34
2047.65    0.495   207.75
2047.75    0.499   207.18
2047.85    0.503   206.61
2047.95    0.507   206.05
2048.05    0.511   205.51
2048.15    0.515   204.97
2048.25    0.520   204.44
2048.35    0.524   203.91
2048.45    0.528   203.40
2048.55    0.532   202.89
2048.65    0.536   202.40
2048.75    0.540   201.90
2048.85    0.544   201.42
2048.95    0.548   200.94
2049.05    0.551   200.47
2049.15    0.555   200.01
2049.25    0.559   199.55
2049.35    0.563   199.10
2049.45    0.566   198.65
2049.55    0.570   198.21
2049.65    0.574   197.78
2049.75    0.577   197.35
2049.85    0.581   196.93
2049.95    0.584   196.51
2050.05    0.588   196.10
2050.15    0.591   195.69
2050.25    0.594   195.28
2050.35    0.598   194.88
2050.45    0.601   194.49
2050.55    0.604   194.10
2050.65    0.607   193.71
2050.75    0.610   193.33






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 17:08:03



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