Double Star Calculator - Orbit

Orbital Elements for HDS1789AA,AB
WDS: HDS1789AA,AB WDS ID/Discoverer
P: 23.410 Orbital period (years)
a: 0.127 Semi-major axis (arcseconds)
i: 33.2 Inclination (degrees)
Ω: 33.8 Longitude of ascending node (degrees)
T: 2024.000 Epoch of periastron passage (year)
e: 0.248 Eccentricity
ω: 357.7 Longitude of periastron (degrees)
Start-Year: 2013.295 Year
End-Year: 2036.705 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS1789AA,AB
Position: 124527.62-455145.2 Epoch-2000 right ascension and declination
WDS-ID: 12455-4552 WDS designation
Discoverer Code: HDS1789AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 110861 HD catalog number
Hipparcos number: 62252 Hipparcos catalog number
V1: 10.07 Magnitude of the primary
V2: 10.47 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: Flags
Ephemerides: Ephemerides
Code: Tok2024c Reference

Double Star Orbit for HDS1789AA,AB



WDS 6th Orbit including measures of HDS1789AA,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 HDS1789AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.094    87.87
--------------------------
2013.30    0.157   219.91
2013.39    0.157   220.73
2013.49    0.157   221.54
2013.59    0.157   222.36
2013.69    0.156   223.18
2013.79    0.156   224.01
2013.89    0.155   224.84
2013.99    0.155   225.67
2014.09    0.155   226.51
2014.19    0.154   227.36
2014.29    0.154   228.21
2014.39    0.153   229.06
2014.49    0.152   229.93
2014.59    0.152   230.79
2014.69    0.151   231.67
2014.79    0.151   232.55
2014.89    0.150   233.44
2014.99    0.149   234.34
2015.09    0.149   235.24
2015.19    0.148   236.16
2015.29    0.147   237.08
2015.39    0.146   238.01
2015.49    0.146   238.96
2015.59    0.145   239.91
2015.69    0.144   240.88
2015.79    0.143   241.85
2015.89    0.142   242.84
2015.99    0.141   243.84
2016.09    0.140   244.86
2016.19    0.139   245.89
2016.29    0.138   246.93
2016.39    0.137   247.98
2016.49    0.136   249.06
2016.59    0.135   250.14
2016.69    0.134   251.25
2016.79    0.133   252.37
2016.89    0.132   253.51
2016.99    0.131   254.67
2017.09    0.130   255.84
2017.19    0.129   257.04
2017.29    0.128   258.26
2017.39    0.127   259.50
2017.49    0.126   260.76
2017.59    0.125   262.04
2017.69    0.123   263.35
2017.79    0.122   264.68
2017.89    0.121   266.04
2017.99    0.120   267.42
2018.09    0.119   268.83
2018.19    0.118   270.26
2018.29    0.117   271.73
2018.39    0.115   273.22
2018.49    0.114   274.74
2018.59    0.113   276.29
2018.69    0.112   277.88
2018.79    0.111   279.49
2018.89    0.110   281.14
2018.99    0.109   282.82
2019.09    0.108   284.53
2019.19    0.107   286.27
2019.29    0.106   288.05
2019.39    0.105   289.86
2019.49    0.104   291.71
2019.59    0.103   293.58
2019.69    0.102   295.50
2019.79    0.101   297.44
2019.89    0.100   299.42
2019.99    0.100   301.43
2020.09    0.099   303.47
2020.19    0.098   305.54
2020.29    0.097   307.64
2020.39    0.097   309.77
2020.49    0.096   311.93
2020.59    0.096   314.11
2020.69    0.095   316.32
2020.79    0.095   318.55
2020.89    0.094   320.80
2020.99    0.094   323.07
2021.09    0.094   325.35
2021.19    0.093   327.65
2021.29    0.093   329.97
2021.39    0.093   332.29
2021.49    0.093   334.62
2021.59    0.093   336.96
2021.69    0.093   339.30
2021.79    0.093   341.64
2021.89    0.093   343.99
2021.99    0.093   346.33
2022.09    0.093   348.67
2022.19    0.093   351.01
2022.29    0.093   353.34
2022.39    0.093   355.66
2022.49    0.093   357.98
2022.59    0.093     0.29
2022.69    0.094     2.59
2022.79    0.094     4.89
2022.89    0.094     7.17
2022.99    0.094     9.44
2023.09    0.094    11.71
2023.19    0.094    13.97
2023.29    0.095    16.21
2023.39    0.095    18.45
2023.49    0.095    20.69
2023.59    0.095    22.91
2023.69    0.095    25.13
2023.79    0.095    27.35
2023.89    0.095    29.56
2023.99    0.095    31.76
2024.09    0.096    33.97
2024.19    0.096    36.17
2024.29    0.096    38.37
2024.39    0.096    40.58
2024.49    0.095    42.78
2024.59    0.095    44.99
2024.69    0.095    47.20
2024.79    0.095    49.41
2024.89    0.095    51.62
2024.99    0.095    53.85
2025.09    0.095    56.07
2025.19    0.095    58.31
2025.29    0.095    60.54
2025.39    0.095    62.79
2025.49    0.094    65.04
2025.59    0.094    67.29
2025.69    0.094    69.56
2025.79    0.094    71.82
2025.89    0.094    74.09
2025.99    0.094    76.37
2026.09    0.094    78.64
2026.19    0.094    80.92
2026.29    0.094    83.20
2026.39    0.094    85.48
2026.49    0.094    87.75
2026.59    0.094    90.03
2026.69    0.094    92.29
2026.79    0.094    94.55
2026.89    0.095    96.80
2026.99    0.095    99.04
2027.09    0.095   101.27
2027.19    0.095   103.48
2027.29    0.096   105.68
2027.39    0.096   107.86
2027.49    0.097   110.02
2027.59    0.097   112.16
2027.69    0.098   114.27
2027.79    0.098   116.36
2027.89    0.099   118.43
2027.99    0.100   120.47
2028.09    0.100   122.49
2028.19    0.101   124.47
2028.29    0.102   126.43
2028.39    0.103   128.36
2028.49    0.103   130.25
2028.59    0.104   132.12
2028.69    0.105   133.96
2028.79    0.106   135.76
2028.89    0.107   137.54
2028.99    0.108   139.28
2029.09    0.109   140.99
2029.19    0.110   142.67
2029.29    0.111   144.32
2029.39    0.112   145.94
2029.49    0.113   147.53
2029.59    0.114   149.09
2029.69    0.115   150.62
2029.79    0.116   152.13
2029.89    0.117   153.60
2029.99    0.118   155.05
2030.09    0.119   156.48
2030.19    0.121   157.87
2030.29    0.122   159.24
2030.39    0.123   160.59
2030.49    0.124   161.91
2030.59    0.125   163.21
2030.69    0.126   164.49
2030.79    0.127   165.74
2030.89    0.128   166.98
2030.99    0.129   168.19
2031.09    0.130   169.38
2031.19    0.131   170.56
2031.29    0.132   171.71
2031.39    0.133   172.85
2031.49    0.134   173.97
2031.59    0.135   175.08
2031.69    0.136   176.16
2031.79    0.137   177.24
2031.89    0.138   178.29
2031.99    0.139   179.34
2032.09    0.140   180.36
2032.19    0.141   181.38
2032.29    0.142   182.38
2032.39    0.143   183.37
2032.49    0.144   184.35
2032.59    0.145   185.32
2032.69    0.145   186.27
2032.79    0.146   187.22
2032.89    0.147   188.15
2032.99    0.148   189.08
2033.09    0.148   189.99
2033.19    0.149   190.90
2033.29    0.150   191.80
2033.39    0.151   192.69
2033.49    0.151   193.58
2033.59    0.152   194.45
2033.69    0.152   195.32
2033.79    0.153   196.19
2033.89    0.153   197.04
2033.99    0.154   197.90
2034.09    0.154   198.74
2034.19    0.155   199.58
2034.29    0.155   200.42
2034.39    0.156   201.25
2034.49    0.156   202.08
2034.59    0.156   202.90
2034.69    0.157   203.72
2034.79    0.157   204.54
2034.89    0.157   205.35
2034.99    0.158   206.16
2035.09    0.158   206.97
2035.19    0.158   207.78
2035.29    0.158   208.59
2035.39    0.158   209.39
2035.49    0.158   210.19
2035.59    0.158   210.99
2035.69    0.158   211.80
2035.79    0.158   212.60
2035.89    0.158   213.40
2035.99    0.158   214.20
2036.09    0.158   215.00
2036.19    0.158   215.80
2036.29    0.158   216.60
2036.39    0.158   217.41
2036.49    0.158   218.21
2036.59    0.158   219.02
2036.69    0.157   219.83






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 16:49:27



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