Double Star Calculator - Orbit

Orbital Elements for HDS3013AA,AB
WDS: HDS3013AA,AB WDS ID/Discoverer
P: 25.040 Orbital period (years)
a: 0.31789999999999996 Semi-major axis (arcseconds)
i: 132.8 Inclination (degrees)
Ω: 154.7 Longitude of ascending node (degrees)
T: 1994.310 Epoch of periastron passage (year)
e: 0.549 Eccentricity
ω: 99.2 Longitude of periastron (degrees)
Start-Year: 2012.48 Year
End-Year: 2037.52 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS3013AA,AB
Position: 210845.51-042536.7 Epoch-2000 right ascension and declination
WDS-ID: 21088-0426 WDS designation
Discoverer Code: HDS3013AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 104383 Hipparcos catalog number
V1: 9.64 Magnitude of the primary
V2: 12.14 Magnitude of the secondary
Equinox: Equinox
Date: 2020 Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Mit2021 Reference

Double Star Orbit for HDS3013AA,AB



WDS 6th Orbit including measures of HDS3013AA,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 HDS3013AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.308   273.50
--------------------------
2012.48    0.347   192.90
2012.58    0.346   192.22
2012.68    0.345   191.53
2012.78    0.345   190.83
2012.88    0.344   190.14
2012.98    0.343   189.44
2013.08    0.342   188.74
2013.18    0.341   188.03
2013.28    0.340   187.32
2013.38    0.339   186.60
2013.48    0.338   185.88
2013.58    0.336   185.15
2013.68    0.335   184.42
2013.78    0.334   183.68
2013.88    0.332   182.94
2013.98    0.331   182.19
2014.08    0.329   181.43
2014.18    0.328   180.67
2014.28    0.326   179.89
2014.38    0.324   179.11
2014.48    0.322   178.32
2014.58    0.320   177.52
2014.68    0.318   176.71
2014.78    0.316   175.89
2014.88    0.313   175.05
2014.98    0.311   174.21
2015.08    0.309   173.35
2015.18    0.306   172.47
2015.28    0.303   171.59
2015.38    0.300   170.68
2015.48    0.297   169.76
2015.58    0.294   168.81
2015.68    0.291   167.85
2015.78    0.288   166.87
2015.88    0.284   165.86
2015.98    0.281   164.82
2016.08    0.277   163.76
2016.18    0.273   162.67
2016.28    0.269   161.55
2016.38    0.265   160.39
2016.48    0.260   159.19
2016.58    0.256   157.95
2016.68    0.251   156.66
2016.78    0.246   155.32
2016.88    0.241   153.93
2016.98    0.235   152.47
2017.08    0.230   150.94
2017.18    0.224   149.34
2017.28    0.218   147.64
2017.38    0.212   145.85
2017.48    0.205   143.95
2017.58    0.198   141.93
2017.68    0.192   139.76
2017.78    0.185   137.43
2017.88    0.177   134.91
2017.98    0.170   132.17
2018.08    0.162   129.18
2018.18    0.155   125.90
2018.28    0.147   122.28
2018.38    0.140   118.26
2018.48    0.132   113.78
2018.58    0.125   108.78
2018.68    0.118   103.19
2018.78    0.112    96.95
2018.88    0.107    90.04
2018.98    0.102    82.49
2019.08    0.099    74.38
2019.18    0.098    65.89
2019.28    0.098    57.26
2019.38    0.099    48.77
2019.48    0.102    40.66
2019.58    0.107    33.08
2019.68    0.112    26.14
2019.78    0.118    19.86
2019.88    0.124    14.22
2019.98    0.131     9.14
2020.08    0.138     4.58
2020.18    0.145     0.46
2020.28    0.152   356.72
2020.38    0.159   353.32
2020.48    0.166   350.19
2020.58    0.173   347.31
2020.68    0.179   344.64
2020.78    0.185   342.15
2020.88    0.191   339.81
2020.98    0.197   337.61
2021.08    0.202   335.54
2021.18    0.207   333.56
2021.28    0.212   331.69
2021.38    0.217   329.89
2021.48    0.221   328.17
2021.58    0.225   326.52
2021.68    0.229   324.92
2021.78    0.233   323.38
2021.88    0.237   321.89
2021.98    0.241   320.44
2022.08    0.244   319.03
2022.18    0.247   317.67
2022.28    0.250   316.33
2022.38    0.253   315.02
2022.48    0.256   313.75
2022.58    0.258   312.50
2022.68    0.261   311.27
2022.78    0.263   310.07
2022.88    0.265   308.89
2022.98    0.268   307.73
2023.08    0.270   306.58
2023.18    0.272   305.46
2023.28    0.274   304.35
2023.38    0.275   303.25
2023.48    0.277   302.17
2023.58    0.279   301.10
2023.68    0.280   300.05
2023.78    0.282   299.00
2023.88    0.283   297.97
2023.98    0.285   296.95
2024.08    0.286   295.93
2024.18    0.287   294.93
2024.28    0.289   293.94
2024.38    0.290   292.95
2024.48    0.291   291.97
2024.58    0.292   291.00
2024.68    0.293   290.04
2024.78    0.294   289.08
2024.88    0.295   288.14
2024.98    0.296   287.19
2025.08    0.297   286.26
2025.18    0.298   285.33
2025.28    0.299   284.40
2025.38    0.300   283.48
2025.48    0.301   282.57
2025.58    0.302   281.66
2025.68    0.302   280.75
2025.78    0.303   279.85
2025.88    0.304   278.96
2025.98    0.305   278.07
2026.08    0.305   277.18
2026.18    0.306   276.30
2026.28    0.307   275.42
2026.38    0.308   274.55
2026.48    0.308   273.68
2026.58    0.309   272.81
2026.68    0.310   271.95
2026.78    0.310   271.09
2026.88    0.311   270.23
2026.98    0.312   269.38
2027.08    0.312   268.53
2027.18    0.313   267.69
2027.28    0.313   266.85
2027.38    0.314   266.01
2027.48    0.315   265.17
2027.58    0.315   264.34
2027.68    0.316   263.51
2027.78    0.316   262.68
2027.88    0.317   261.86
2027.98    0.318   261.04
2028.08    0.318   260.22
2028.18    0.319   259.41
2028.28    0.319   258.60
2028.38    0.320   257.79
2028.48    0.320   256.99
2028.58    0.321   256.18
2028.68    0.322   255.39
2028.78    0.322   254.59
2028.88    0.323   253.80
2028.98    0.323   253.00
2029.08    0.324   252.22
2029.18    0.324   251.43
2029.28    0.325   250.65
2029.38    0.326   249.87
2029.48    0.326   249.09
2029.58    0.327   248.32
2029.68    0.327   247.55
2029.78    0.328   246.78
2029.88    0.328   246.01
2029.98    0.329   245.25
2030.08    0.330   244.49
2030.18    0.330   243.73
2030.28    0.331   242.97
2030.38    0.331   242.22
2030.48    0.332   241.47
2030.58    0.332   240.72
2030.68    0.333   239.98
2030.78    0.334   239.23
2030.88    0.334   238.49
2030.98    0.335   237.75
2031.08    0.335   237.02
2031.18    0.336   236.29
2031.28    0.336   235.56
2031.38    0.337   234.83
2031.48    0.337   234.10
2031.58    0.338   233.38
2031.68    0.339   232.66
2031.78    0.339   231.94
2031.88    0.340   231.22
2031.98    0.340   230.51
2032.08    0.341   229.79
2032.18    0.341   229.08
2032.28    0.342   228.38
2032.38    0.342   227.67
2032.48    0.343   226.97
2032.58    0.343   226.26
2032.68    0.344   225.56
2032.78    0.344   224.87
2032.88    0.345   224.17
2032.98    0.345   223.48
2033.08    0.346   222.79
2033.18    0.346   222.09
2033.28    0.346   221.41
2033.38    0.347   220.72
2033.48    0.347   220.03
2033.58    0.348   219.35
2033.68    0.348   218.67
2033.78    0.348   217.99
2033.88    0.349   217.31
2033.98    0.349   216.63
2034.08    0.349   215.95
2034.18    0.350   215.28
2034.28    0.350   214.61
2034.38    0.350   213.93
2034.48    0.351   213.26
2034.58    0.351   212.59
2034.68    0.351   211.92
2034.78    0.351   211.25
2034.88    0.352   210.58
2034.98    0.352   209.92
2035.08    0.352   209.25
2035.18    0.352   208.58
2035.28    0.352   207.92
2035.38    0.352   207.25
2035.48    0.352   206.59
2035.58    0.352   205.92
2035.68    0.352   205.26
2035.78    0.352   204.59
2035.88    0.352   203.93
2035.98    0.352   203.26
2036.08    0.352   202.60
2036.18    0.352   201.93
2036.28    0.352   201.26
2036.38    0.352   200.60
2036.48    0.351   199.93
2036.58    0.351   199.26
2036.68    0.351   198.59
2036.78    0.351   197.92
2036.88    0.350   197.25
2036.98    0.350   196.57
2037.08    0.349   195.90
2037.18    0.349   195.22
2037.28    0.348   194.54
2037.38    0.348   193.86
2037.48    0.347   193.18






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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 18:22:59



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