Double Star Calculator - Orbit

Orbital Elements for HDS1013AA,AB
WDS: HDS1013AA,AB WDS ID/Discoverer
P: 56.600 Orbital period (years)
a: 0.3511 Semi-major axis (arcseconds)
i: 20.0 Inclination (degrees)
Ω: 171.0 Longitude of ascending node (degrees)
T: 1997.900 Epoch of periastron passage (year)
e: 0.216 Eccentricity
ω: 124.0 Longitude of periastron (degrees)
Start-Year: 1996.7 Year
End-Year: 2053.3 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1013AA,AB
Position: 071827.12-572106.5 Epoch-2000 right ascension and declination
WDS-ID: 07185-5721 WDS designation
Discoverer Code: HDS1013AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 57555 HD catalog number
Hipparcos number: 35374 Hipparcos catalog number
V1: 8.37 Magnitude of the primary
V2: 9.16 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Msn2023 Reference

Double Star Orbit for HDS1013AA,AB



WDS 6th Orbit including measures of HDS1013AA,AB

-- 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 HDS1013AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.410   117.96
--------------------------
1996.70    0.262   284.17
1996.80    0.262   285.22
1996.90    0.262   286.26
1997.00    0.262   287.31
1997.10    0.262   288.35
1997.20    0.263   289.40
1997.30    0.263   290.44
1997.40    0.263   291.48
1997.50    0.263   292.53
1997.60    0.263   293.56
1997.70    0.263   294.60
1997.80    0.264   295.64
1997.90    0.264   296.67
1998.00    0.264   297.70
1998.10    0.265   298.73
1998.20    0.265   299.76
1998.30    0.265   300.78
1998.40    0.266   301.80
1998.50    0.266   302.82
1998.60    0.266   303.84
1998.70    0.267   304.85
1998.80    0.267   305.86
1998.90    0.268   306.87
1999.00    0.268   307.87
1999.10    0.268   308.87
1999.20    0.269   309.87
1999.30    0.269   310.86
1999.40    0.270   311.85
1999.50    0.270   312.83
1999.60    0.271   313.82
1999.70    0.271   314.79
1999.80    0.272   315.77
1999.90    0.273   316.74
2000.00    0.273   317.70
2000.10    0.274   318.67
2000.20    0.274   319.62
2000.30    0.275   320.58
2000.40    0.276   321.53
2000.50    0.276   322.47
2000.60    0.277   323.41
2000.70    0.277   324.35
2000.80    0.278   325.28
2000.90    0.279   326.21
2001.00    0.279   327.14
2001.10    0.280   328.06
2001.20    0.281   328.97
2001.30    0.281   329.88
2001.40    0.282   330.79
2001.50    0.283   331.69
2001.60    0.283   332.59
2001.70    0.284   333.48
2001.80    0.285   334.37
2001.90    0.285   335.26
2002.00    0.286   336.14
2002.10    0.287   337.02
2002.20    0.287   337.89
2002.30    0.288   338.76
2002.40    0.289   339.62
2002.50    0.290   340.48
2002.60    0.290   341.34
2002.70    0.291   342.19
2002.80    0.292   343.04
2002.90    0.292   343.88
2003.00    0.293   344.72
2003.10    0.294   345.55
2003.20    0.295   346.38
2003.30    0.295   347.21
2003.40    0.296   348.03
2003.50    0.297   348.85
2003.60    0.297   349.67
2003.70    0.298   350.48
2003.80    0.299   351.29
2003.90    0.300   352.09
2004.00    0.300   352.89
2004.10    0.301   353.68
2004.20    0.302   354.48
2004.30    0.302   355.26
2004.40    0.303   356.05
2004.50    0.304   356.83
2004.60    0.305   357.61
2004.70    0.305   358.38
2004.80    0.306   359.15
2004.90    0.307   359.92
2005.00    0.307     0.68
2005.10    0.308     1.44
2005.20    0.309     2.20
2005.30    0.309     2.95
2005.40    0.310     3.70
2005.50    0.311     4.44
2005.60    0.312     5.19
2005.70    0.312     5.93
2005.80    0.313     6.66
2005.90    0.314     7.40
2006.00    0.314     8.13
2006.10    0.315     8.85
2006.20    0.316     9.58
2006.30    0.316    10.30
2006.40    0.317    11.01
2006.50    0.318    11.73
2006.60    0.318    12.44
2006.70    0.319    13.15
2006.80    0.320    13.85
2006.90    0.320    14.56
2007.00    0.321    15.26
2007.10    0.322    15.95
2007.20    0.322    16.65
2007.30    0.323    17.34
2007.40    0.324    18.03
2007.50    0.324    18.71
2007.60    0.325    19.40
2007.70    0.325    20.08
2007.80    0.326    20.76
2007.90    0.327    21.43
2008.00    0.327    22.10
2008.10    0.328    22.77
2008.20    0.329    23.44
2008.30    0.329    24.11
2008.40    0.330    24.77
2008.50    0.330    25.43
2008.60    0.331    26.09
2008.70    0.332    26.74
2008.80    0.332    27.39
2008.90    0.333    28.04
2009.00    0.334    28.69
2009.10    0.334    29.34
2009.20    0.335    29.98
2009.30    0.335    30.62
2009.40    0.336    31.26
2009.50    0.337    31.90
2009.60    0.337    32.53
2009.70    0.338    33.16
2009.80    0.338    33.79
2009.90    0.339    34.42
2010.00    0.340    35.04
2010.10    0.340    35.67
2010.20    0.341    36.29
2010.30    0.341    36.91
2010.40    0.342    37.52
2010.50    0.342    38.14
2010.60    0.343    38.75
2010.70    0.344    39.36
2010.80    0.344    39.97
2010.90    0.345    40.57
2011.00    0.345    41.18
2011.10    0.346    41.78
2011.20    0.346    42.38
2011.30    0.347    42.98
2011.40    0.348    43.58
2011.50    0.348    44.17
2011.60    0.349    44.76
2011.70    0.349    45.35
2011.80    0.350    45.94
2011.90    0.350    46.53
2012.00    0.351    47.11
2012.10    0.351    47.70
2012.20    0.352    48.28
2012.30    0.353    48.86
2012.40    0.353    49.44
2012.50    0.354    50.01
2012.60    0.354    50.59
2012.70    0.355    51.16
2012.80    0.355    51.73
2012.90    0.356    52.30
2013.00    0.356    52.87
2013.10    0.357    53.43
2013.20    0.357    54.00
2013.30    0.358    54.56
2013.40    0.359    55.12
2013.50    0.359    55.68
2013.60    0.360    56.23
2013.70    0.360    56.79
2013.80    0.361    57.34
2013.90    0.361    57.90
2014.00    0.362    58.45
2014.10    0.362    58.99
2014.20    0.363    59.54
2014.30    0.363    60.09
2014.40    0.364    60.63
2014.50    0.364    61.17
2014.60    0.365    61.72
2014.70    0.365    62.26
2014.80    0.366    62.79
2014.90    0.366    63.33
2015.00    0.367    63.87
2015.10    0.367    64.40
2015.20    0.368    64.93
2015.30    0.368    65.46
2015.40    0.369    65.99
2015.50    0.369    66.52
2015.60    0.370    67.04
2015.70    0.370    67.57
2015.80    0.371    68.09
2015.90    0.371    68.62
2016.00    0.372    69.14
2016.10    0.372    69.66
2016.20    0.373    70.17
2016.30    0.373    70.69
2016.40    0.374    71.20
2016.50    0.374    71.72
2016.60    0.375    72.23
2016.70    0.375    72.74
2016.80    0.376    73.25
2016.90    0.376    73.76
2017.00    0.377    74.27
2017.10    0.377    74.77
2017.20    0.378    75.28
2017.30    0.378    75.78
2017.40    0.379    76.28
2017.50    0.379    76.78
2017.60    0.380    77.28
2017.70    0.380    77.78
2017.80    0.381    78.28
2017.90    0.381    78.78
2018.00    0.382    79.27
2018.10    0.382    79.76
2018.20    0.382    80.26
2018.30    0.383    80.75
2018.40    0.383    81.24
2018.50    0.384    81.73
2018.60    0.384    82.21
2018.70    0.385    82.70
2018.80    0.385    83.19
2018.90    0.386    83.67
2019.00    0.386    84.15
2019.10    0.386    84.64
2019.20    0.387    85.12
2019.30    0.387    85.60
2019.40    0.388    86.08
2019.50    0.388    86.55
2019.60    0.389    87.03
2019.70    0.389    87.51
2019.80    0.389    87.98
2019.90    0.390    88.46
2020.00    0.390    88.93
2020.10    0.391    89.40
2020.20    0.391    89.87
2020.30    0.392    90.34
2020.40    0.392    90.81
2020.50    0.392    91.28
2020.60    0.393    91.74
2020.70    0.393    92.21
2020.80    0.394    92.68
2020.90    0.394    93.14
2021.00    0.394    93.60
2021.10    0.395    94.06
2021.20    0.395    94.53
2021.30    0.395    94.99
2021.40    0.396    95.45
2021.50    0.396    95.90
2021.60    0.397    96.36
2021.70    0.397    96.82
2021.80    0.397    97.28
2021.90    0.398    97.73
2022.00    0.398    98.19
2022.10    0.398    98.64
2022.20    0.399    99.09
2022.30    0.399    99.54
2022.40    0.399   100.00
2022.50    0.400   100.45
2022.60    0.400   100.90
2022.70    0.400   101.35
2022.80    0.401   101.79
2022.90    0.401   102.24
2023.00    0.401   102.69
2023.10    0.402   103.13
2023.20    0.402   103.58
2023.30    0.402   104.02
2023.40    0.403   104.47
2023.50    0.403   104.91
2023.60    0.403   105.35
2023.70    0.404   105.80
2023.80    0.404   106.24
2023.90    0.404   106.68
2024.00    0.404   107.12
2024.10    0.405   107.56
2024.20    0.405   108.00
2024.30    0.405   108.44
2024.40    0.405   108.87
2024.50    0.406   109.31
2024.60    0.406   109.75
2024.70    0.406   110.19
2024.80    0.406   110.62
2024.90    0.407   111.06
2025.00    0.407   111.49
2025.10    0.407   111.92
2025.20    0.407   112.36
2025.30    0.408   112.79
2025.40    0.408   113.22
2025.50    0.408   113.66
2025.60    0.408   114.09
2025.70    0.408   114.52
2025.80    0.409   114.95
2025.90    0.409   115.38
2026.00    0.409   115.81
2026.10    0.409   116.24
2026.20    0.409   116.67
2026.30    0.410   117.10
2026.40    0.410   117.53
2026.50    0.410   117.96
2026.60    0.410   118.38
2026.70    0.410   118.81
2026.80    0.410   119.24
2026.90    0.411   119.67
2027.00    0.411   120.09
2027.10    0.411   120.52
2027.20    0.411   120.95
2027.30    0.411   121.37
2027.40    0.411   121.80
2027.50    0.411   122.22
2027.60    0.411   122.65
2027.70    0.411   123.07
2027.80    0.412   123.50
2027.90    0.412   123.92
2028.00    0.412   124.35
2028.10    0.412   124.77
2028.20    0.412   125.20
2028.30    0.412   125.62
2028.40    0.412   126.04
2028.50    0.412   126.47
2028.60    0.412   126.89
2028.70    0.412   127.31
2028.80    0.412   127.74
2028.90    0.412   128.16
2029.00    0.412   128.58
2029.10    0.412   129.01
2029.20    0.412   129.43
2029.30    0.412   129.85
2029.40    0.412   130.28
2029.50    0.412   130.70
2029.60    0.412   131.12
2029.70    0.412   131.55
2029.80    0.412   131.97
2029.90    0.412   132.39
2030.00    0.412   132.82
2030.10    0.412   133.24
2030.20    0.412   133.67
2030.30    0.412   134.09
2030.40    0.412   134.51
2030.50    0.412   134.94
2030.60    0.412   135.36
2030.70    0.412   135.79
2030.80    0.412   136.21
2030.90    0.411   136.64
2031.00    0.411   137.06
2031.10    0.411   137.49
2031.20    0.411   137.91
2031.30    0.411   138.34
2031.40    0.411   138.76
2031.50    0.411   139.19
2031.60    0.410   139.62
2031.70    0.410   140.04
2031.80    0.410   140.47
2031.90    0.410   140.90
2032.00    0.410   141.33
2032.10    0.410   141.76
2032.20    0.409   142.19
2032.30    0.409   142.62
2032.40    0.409   143.05
2032.50    0.409   143.48
2032.60    0.409   143.91
2032.70    0.408   144.34
2032.80    0.408   144.77
2032.90    0.408   145.20
2033.00    0.408   145.63
2033.10    0.407   146.07
2033.20    0.407   146.50
2033.30    0.407   146.94
2033.40    0.406   147.37
2033.50    0.406   147.81
2033.60    0.406   148.24
2033.70    0.406   148.68
2033.80    0.405   149.12
2033.90    0.405   149.56
2034.00    0.405   150.00
2034.10    0.404   150.44
2034.20    0.404   150.88
2034.30    0.403   151.32
2034.40    0.403   151.76
2034.50    0.403   152.20
2034.60    0.402   152.65
2034.70    0.402   153.09
2034.80    0.402   153.54
2034.90    0.401   153.99
2035.00    0.401   154.43
2035.10    0.400   154.88
2035.20    0.400   155.33
2035.30    0.399   155.78
2035.40    0.399   156.23
2035.50    0.399   156.68
2035.60    0.398   157.14
2035.70    0.398   157.59
2035.80    0.397   158.05
2035.90    0.397   158.50
2036.00    0.396   158.96
2036.10    0.396   159.42
2036.20    0.395   159.88
2036.30    0.395   160.34
2036.40    0.394   160.81
2036.50    0.393   161.27
2036.60    0.393   161.74
2036.70    0.392   162.20
2036.80    0.392   162.67
2036.90    0.391   163.14
2037.00    0.391   163.61
2037.10    0.390   164.08
2037.20    0.389   164.56
2037.30    0.389   165.03
2037.40    0.388   165.51
2037.50    0.388   165.99
2037.60    0.387   166.46
2037.70    0.386   166.95
2037.80    0.386   167.43
2037.90    0.385   167.91
2038.00    0.384   168.40
2038.10    0.384   168.89
2038.20    0.383   169.38
2038.30    0.382   169.87
2038.40    0.382   170.36
2038.50    0.381   170.86
2038.60    0.380   171.35
2038.70    0.379   171.85
2038.80    0.379   172.35
2038.90    0.378   172.85
2039.00    0.377   173.36
2039.10    0.376   173.86
2039.20    0.376   174.37
2039.30    0.375   174.88
2039.40    0.374   175.40
2039.50    0.373   175.91
2039.60    0.373   176.43
2039.70    0.372   176.95
2039.80    0.371   177.47
2039.90    0.370   177.99
2040.00    0.369   178.52
2040.10    0.368   179.05
2040.20    0.368   179.58
2040.30    0.367   180.11
2040.40    0.366   180.65
2040.50    0.365   181.19
2040.60    0.364   181.73
2040.70    0.363   182.27
2040.80    0.362   182.82
2040.90    0.362   183.37
2041.00    0.361   183.92
2041.10    0.360   184.47
2041.20    0.359   185.03
2041.30    0.358   185.59
2041.40    0.357   186.16
2041.50    0.356   186.72
2041.60    0.355   187.29
2041.70    0.354   187.86
2041.80    0.353   188.44
2041.90    0.352   189.02
2042.00    0.351   189.60
2042.10    0.350   190.18
2042.20    0.349   190.77
2042.30    0.348   191.36
2042.40    0.347   191.96
2042.50    0.346   192.55
2042.60    0.345   193.16
2042.70    0.344   193.76
2042.80    0.343   194.37
2042.90    0.342   194.98
2043.00    0.341   195.60
2043.10    0.340   196.22
2043.20    0.339   196.84
2043.30    0.338   197.47
2043.40    0.337   198.10
2043.50    0.336   198.74
2043.60    0.335   199.37
2043.70    0.334   200.02
2043.80    0.333   200.66
2043.90    0.332   201.32
2044.00    0.331   201.97
2044.10    0.330   202.63
2044.20    0.329   203.29
2044.30    0.328   203.96
2044.40    0.327   204.63
2044.50    0.325   205.31
2044.60    0.324   205.99
2044.70    0.323   206.68
2044.80    0.322   207.37
2044.90    0.321   208.06
2045.00    0.320   208.76
2045.10    0.319   209.47
2045.20    0.318   210.18
2045.30    0.317   210.89
2045.40    0.316   211.61
2045.50    0.315   212.34
2045.60    0.314   213.06
2045.70    0.313   213.80
2045.80    0.311   214.54
2045.90    0.310   215.28
2046.00    0.309   216.03
2046.10    0.308   216.79
2046.20    0.307   217.55
2046.30    0.306   218.31
2046.40    0.305   219.08
2046.50    0.304   219.86
2046.60    0.303   220.64
2046.70    0.302   221.42
2046.80    0.301   222.21
2046.90    0.300   223.01
2047.00    0.299   223.81
2047.10    0.298   224.62
2047.20    0.297   225.44
2047.30    0.296   226.26
2047.40    0.295   227.08
2047.50    0.294   227.91
2047.60    0.293   228.75
2047.70    0.292   229.59
2047.80    0.291   230.44
2047.90    0.290   231.29
2048.00    0.289   232.15
2048.10    0.288   233.01
2048.20    0.287   233.88
2048.30    0.286   234.76
2048.40    0.285   235.64
2048.50    0.284   236.52
2048.60    0.284   237.42
2048.70    0.283   238.31
2048.80    0.282   239.22
2048.90    0.281   240.13
2049.00    0.280   241.04
2049.10    0.279   241.96
2049.20    0.279   242.88
2049.30    0.278   243.81
2049.40    0.277   244.75
2049.50    0.276   245.69
2049.60    0.275   246.63
2049.70    0.275   247.58
2049.80    0.274   248.54
2049.90    0.273   249.50
2050.00    0.273   250.46
2050.10    0.272   251.43
2050.20    0.271   252.41
2050.30    0.271   253.39
2050.40    0.270   254.37
2050.50    0.270   255.36
2050.60    0.269   256.35
2050.70    0.269   257.34
2050.80    0.268   258.34
2050.90    0.268   259.35
2051.00    0.267   260.35
2051.10    0.267   261.36
2051.20    0.266   262.38
2051.30    0.266   263.40
2051.40    0.265   264.42
2051.50    0.265   265.44
2051.60    0.265   266.46
2051.70    0.264   267.49
2051.80    0.264   268.52
2051.90    0.264   269.56
2052.00    0.263   270.59
2052.10    0.263   271.63
2052.20    0.263   272.67
2052.30    0.263   273.71
2052.40    0.263   274.75
2052.50    0.262   275.80
2052.60    0.262   276.84
2052.70    0.262   277.89
2052.80    0.262   278.93
2052.90    0.262   279.98
2053.00    0.262   281.03
2053.10    0.262   282.07
2053.20    0.262   283.12
2053.30    0.262   284.17






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 15:56:26



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