Double Star Calculator - Orbit

Orbital Elements for MCA14AA,AB
WDS: MCA14AA,AB WDS ID/Discoverer
P: 11.363 Orbital period (years)
a: 0.13538999999999998 Semi-major axis (arcseconds)
i: 123.88 Inclination (degrees)
Ω: 352.25 Longitude of ascending node (degrees)
T: 1955.100 Epoch of periastron passage (year)
e: 0.1537 Eccentricity
ω: 342.61 Longitude of periastron (degrees)
Start-Year: 2019.3185 Year
End-Year: 2030.6815 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for MCA14AA,AB
Position: 041823.14+213445.8 Epoch-2000 right ascension and declination
WDS-ID: 04184+2135 WDS designation
Discoverer Code: MCA14AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 27176 HD catalog number
Hipparcos number: 20087 Hipparcos catalog number
V1: 5.60 Magnitude of the primary
V2: 8.1 Magnitude of the secondary
Equinox: 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: JAA2022 Reference

Double Star Orbit for MCA14AA,AB



WDS 6th Orbit including measures of MCA14AA,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 MCA14AA,AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.083   242.99
--------------------------
2019.32    0.140   158.08
2019.42    0.138   156.42
2019.52    0.135   154.70
2019.62    0.132   152.90
2019.72    0.128   151.00
2019.82    0.125   149.01
2019.92    0.121   146.90
2020.02    0.118   144.67
2020.12    0.114   142.28
2020.22    0.110   139.73
2020.32    0.106   136.99
2020.42    0.102   134.03
2020.52    0.098   130.83
2020.62    0.094   127.36
2020.72    0.090   123.59
2020.82    0.087   119.50
2020.92    0.083   115.04
2021.02    0.080   110.21
2021.12    0.077   105.00
2021.22    0.074    99.41
2021.32    0.073    93.48
2021.42    0.071    87.27
2021.52    0.070    80.87
2021.62    0.070    74.38
2021.72    0.071    67.91
2021.82    0.072    61.59
2021.92    0.073    55.49
2022.02    0.075    49.70
2022.12    0.078    44.25
2022.22    0.081    39.15
2022.32    0.084    34.42
2022.42    0.087    30.03
2022.52    0.090    25.95
2022.62    0.093    22.16
2022.72    0.097    18.62
2022.82    0.100    15.31
2022.92    0.103    12.19
2023.02    0.105     9.23
2023.12    0.108     6.41
2023.22    0.110     3.71
2023.32    0.112     1.11
2023.42    0.113   358.58
2023.52    0.114   356.11
2023.62    0.115   353.67
2023.72    0.115   351.26
2023.82    0.115   348.86
2023.92    0.115   346.46
2024.02    0.114   344.03
2024.12    0.113   341.56
2024.22    0.112   339.04
2024.32    0.110   336.45
2024.42    0.108   333.78
2024.52    0.106   331.01
2024.62    0.104   328.12
2024.72    0.102   325.09
2024.82    0.099   321.91
2024.92    0.096   318.55
2025.02    0.094   314.99
2025.12    0.091   311.23
2025.22    0.088   307.24
2025.32    0.086   303.01
2025.42    0.084   298.54
2025.52    0.082   293.84
2025.62    0.080   288.92
2025.72    0.078   283.80
2025.82    0.077   278.53
2025.92    0.077   273.16
2026.02    0.077   267.74
2026.12    0.077   262.35
2026.22    0.078   257.03
2026.32    0.079   251.86
2026.42    0.081   246.88
2026.52    0.083   242.13
2026.62    0.085   237.62
2026.72    0.088   233.37
2026.82    0.091   229.38
2026.92    0.094   225.64
2027.02    0.097   222.15
2027.12    0.101   218.88
2027.22    0.104   215.83
2027.32    0.108   212.97
2027.42    0.111   210.29
2027.52    0.114   207.77
2027.62    0.118   205.40
2027.72    0.121   203.16
2027.82    0.124   201.04
2027.92    0.128   199.02
2028.02    0.131   197.10
2028.12    0.134   195.27
2028.22    0.136   193.51
2028.32    0.139   191.82
2028.42    0.141   190.19
2028.52    0.144   188.62
2028.62    0.146   187.09
2028.72    0.148   185.60
2028.82    0.149   184.15
2028.92    0.151   182.73
2029.02    0.152   181.33
2029.12    0.153   179.96
2029.22    0.154   178.60
2029.32    0.155   177.26
2029.42    0.155   175.92
2029.52    0.155   174.59
2029.62    0.155   173.27
2029.72    0.155   171.93
2029.82    0.154   170.60
2029.92    0.154   169.25
2030.02    0.153   167.88
2030.12    0.151   166.50
2030.22    0.150   165.09
2030.32    0.148   163.65
2030.42    0.146   162.17
2030.52    0.144   160.66
2030.62    0.142   159.09



 

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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 15:20:36


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