Double Star Calculator - Orbit

Orbital Elements for B2351AA,AB
WDS: B2351AA,AB WDS ID/Discoverer
P: 23.512 Orbital period (years)
a: 0.12932 Semi-major axis (arcseconds)
i: 154.2 Inclination (degrees)
Ω: 173.8 Longitude of ascending node (degrees)
T: 1971.034 Epoch of periastron passage (year)
e: 0.244 Eccentricity
ω: 340.1 Longitude of periastron (degrees)
Start-Year: 2013.244 Year
End-Year: 2036.756 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for B2351AA,AB
Position: 151213.31-194729.9 Epoch-2000 right ascension and declination
WDS-ID: 15122-1948 WDS designation
Discoverer Code: B2351AA,AB Discover designation and components
ADS number: 9532 Aitken Double Star catalog
HD number: 134759 HD catalog number
Hipparcos number: 74392 Hipparcos catalog number
V1: 5.1 Magnitude of the primary
V2: 5.5 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 1 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 B2351AA,AB



WDS 6th Orbit including measures of B2351AA,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 B2351AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.143    43.66
--------------------------
2013.24    0.119   298.31
2013.34    0.118   296.72
2013.44    0.117   295.09
2013.54    0.116   293.44
2013.64    0.115   291.75
2013.74    0.114   290.03
2013.84    0.112   288.28
2013.94    0.111   286.50
2014.04    0.110   284.68
2014.14    0.109   282.83
2014.24    0.108   280.94
2014.34    0.107   279.02
2014.44    0.106   277.07
2014.54    0.106   275.08
2014.64    0.105   273.05
2014.74    0.104   270.99
2014.84    0.103   268.90
2014.94    0.102   266.78
2015.04    0.101   264.62
2015.14    0.101   262.43
2015.24    0.100   260.20
2015.34    0.099   257.95
2015.44    0.099   255.67
2015.54    0.098   253.36
2015.64    0.098   251.02
2015.74    0.097   248.66
2015.84    0.097   246.28
2015.94    0.096   243.88
2016.04    0.096   241.46
2016.14    0.096   239.02
2016.24    0.095   236.57
2016.34    0.095   234.10
2016.44    0.095   231.63
2016.54    0.095   229.15
2016.64    0.095   226.66
2016.74    0.095   224.17
2016.84    0.095   221.67
2016.94    0.095   219.18
2017.04    0.095   216.69
2017.14    0.095   214.20
2017.24    0.095   211.71
2017.34    0.095   209.24
2017.44    0.095   206.77
2017.54    0.095   204.31
2017.64    0.096   201.86
2017.74    0.096   199.42
2017.84    0.096   197.00
2017.94    0.096   194.59
2018.04    0.097   192.19
2018.14    0.097   189.80
2018.24    0.097   187.43
2018.34    0.097   185.07
2018.44    0.098   182.72
2018.54    0.098   180.39
2018.64    0.098   178.07
2018.74    0.099   175.77
2018.84    0.099   173.48
2018.94    0.099   171.21
2019.04    0.100   168.94
2019.14    0.100   166.69
2019.24    0.100   164.46
2019.34    0.100   162.24
2019.44    0.101   160.03
2019.54    0.101   157.83
2019.64    0.101   155.64
2019.74    0.102   153.47
2019.84    0.102   151.31
2019.94    0.102   149.16
2020.04    0.102   147.03
2020.14    0.103   144.91
2020.24    0.103   142.80
2020.34    0.103   140.70
2020.44    0.104   138.62
2020.54    0.104   136.54
2020.64    0.104   134.49
2020.74    0.105   132.44
2020.84    0.105   130.41
2020.94    0.105   128.40
2021.04    0.106   126.39
2021.14    0.106   124.41
2021.24    0.107   122.43
2021.34    0.107   120.48
2021.44    0.108   118.54
2021.54    0.108   116.61
2021.64    0.108   114.70
2021.74    0.109   112.81
2021.84    0.109   110.94
2021.94    0.110   109.08
2022.04    0.111   107.24
2022.14    0.111   105.42
2022.24    0.112   103.61
2022.34    0.112   101.83
2022.44    0.113   100.06
2022.54    0.113    98.31
2022.64    0.114    96.59
2022.74    0.115    94.88
2022.84    0.115    93.19
2022.94    0.116    91.52
2023.04    0.117    89.87
2023.14    0.117    88.23
2023.24    0.118    86.62
2023.34    0.119    85.03
2023.44    0.120    83.46
2023.54    0.120    81.90
2023.64    0.121    80.37
2023.74    0.122    78.85
2023.84    0.123    77.36
2023.94    0.123    75.88
2024.04    0.124    74.42
2024.14    0.125    72.98
2024.24    0.126    71.55
2024.34    0.127    70.15
2024.44    0.127    68.76
2024.54    0.128    67.39
2024.64    0.129    66.04
2024.74    0.130    64.70
2024.84    0.131    63.38
2024.94    0.131    62.08
2025.04    0.132    60.79
2025.14    0.133    59.52
2025.24    0.134    58.27
2025.34    0.135    57.03
2025.44    0.135    55.80
2025.54    0.136    54.59
2025.64    0.137    53.39
2025.74    0.138    52.21
2025.84    0.139    51.03
2025.94    0.139    49.88
2026.04    0.140    48.73
2026.14    0.141    47.60
2026.24    0.142    46.48
2026.34    0.142    45.37
2026.44    0.143    44.27
2026.54    0.144    43.18
2026.64    0.144    42.11
2026.74    0.145    41.04
2026.84    0.146    39.99
2026.94    0.147    38.94
2027.04    0.147    37.90
2027.14    0.148    36.88
2027.24    0.149    35.86
2027.34    0.149    34.85
2027.44    0.150    33.85
2027.54    0.150    32.86
2027.64    0.151    31.87
2027.74    0.151    30.89
2027.84    0.152    29.92
2027.94    0.153    28.96
2028.04    0.153    28.00
2028.14    0.154    27.05
2028.24    0.154    26.10
2028.34    0.154    25.16
2028.44    0.155    24.23
2028.54    0.155    23.30
2028.64    0.156    22.38
2028.74    0.156    21.46
2028.84    0.157    20.54
2028.94    0.157    19.63
2029.04    0.157    18.73
2029.14    0.158    17.82
2029.24    0.158    16.92
2029.34    0.158    16.03
2029.44    0.158    15.13
2029.54    0.159    14.24
2029.64    0.159    13.36
2029.74    0.159    12.47
2029.84    0.159    11.59
2029.94    0.159    10.70
2030.04    0.159     9.82
2030.14    0.160     8.95
2030.24    0.160     8.07
2030.34    0.160     7.19
2030.44    0.160     6.31
2030.54    0.160     5.44
2030.64    0.160     4.56
2030.74    0.160     3.68
2030.84    0.160     2.81
2030.94    0.160     1.93
2031.04    0.159     1.05
2031.14    0.159     0.17
2031.24    0.159   359.29
2031.34    0.159   358.41
2031.44    0.159   357.52
2031.54    0.159   356.64
2031.64    0.158   355.75
2031.74    0.158   354.85
2031.84    0.158   353.96
2031.94    0.158   353.06
2032.04    0.157   352.16
2032.14    0.157   351.25
2032.24    0.157   350.34
2032.34    0.156   349.43
2032.44    0.156   348.51
2032.54    0.155   347.58
2032.64    0.155   346.65
2032.74    0.154   345.72
2032.84    0.154   344.77
2032.94    0.153   343.83
2033.04    0.153   342.87
2033.14    0.152   341.91
2033.24    0.152   340.94
2033.34    0.151   339.96
2033.44    0.150   338.98
2033.54    0.150   337.98
2033.64    0.149   336.98
2033.74    0.148   335.96
2033.84    0.147   334.94
2033.94    0.147   333.91
2034.04    0.146   332.86
2034.14    0.145   331.81
2034.24    0.144   330.74
2034.34    0.143   329.66
2034.44    0.143   328.57
2034.54    0.142   327.46
2034.64    0.141   326.34
2034.74    0.140   325.21
2034.84    0.139   324.06
2034.94    0.138   322.89
2035.04    0.137   321.71
2035.14    0.136   320.51
2035.24    0.135   319.30
2035.34    0.134   318.06
2035.44    0.133   316.81
2035.54    0.132   315.54
2035.64    0.131   314.25
2035.74    0.130   312.94
2035.84    0.129   311.60
2035.94    0.128   310.25
2036.04    0.127   308.87
2036.14    0.126   307.46
2036.24    0.125   306.04
2036.34    0.123   304.58
2036.44    0.122   303.10
2036.54    0.121   301.60
2036.64    0.120   300.06
2036.74    0.119   298.50






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 17:13:02



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