Double Star Calculator - Orbit

Orbital Elements for MCY1AA,AB
WDS: MCY1AA,AB WDS ID/Discoverer
P: 15.428 Orbital period (years)
a: 0.5102599999999999 Semi-major axis (arcseconds)
i: 44.29 Inclination (degrees)
Ω: 176.75 Longitude of ascending node (degrees)
T: 2016.160 Epoch of periastron passage (year)
e: 0.1576 Eccentricity
ω: 104.9 Longitude of periastron (degrees)
Start-Year: 2017.28625 Year
End-Year: 2032.71375 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for MCY1AA,AB
Position: 003229.43+671408.8 Epoch-2000 right ascension and declination
WDS-ID: 00321+6715 WDS designation
Discoverer Code: MCY1AA,AB Discover designation and components
ADS number: 440 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 2552 Hipparcos catalog number
V1: 10.3 Magnitude of the primary
V2: 13.4 Magnitude of the secondary
Equinox: Equinox
Date: 2015 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: MnA2019 Reference

Double Star Orbit for MCY1AA,AB



WDS 6th Orbit including measures of MCY1AA,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 MCY1AA,AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.526   155.80
--------------------------
2017.29    0.396   326.49
2017.39    0.404   329.17
2017.49    0.412   331.75
2017.59    0.419   334.24
2017.69    0.427   336.64
2017.79    0.434   338.96
2017.89    0.440   341.20
2017.99    0.447   343.39
2018.09    0.453   345.51
2018.19    0.458   347.58
2018.29    0.463   349.60
2018.39    0.468   351.58
2018.49    0.472   353.53
2018.59    0.476   355.44
2018.69    0.479   357.32
2018.79    0.482   359.18
2018.89    0.484     1.02
2018.99    0.486     2.84
2019.09    0.488     4.65
2019.19    0.489     6.45
2019.29    0.490     8.24
2019.39    0.490    10.03
2019.49    0.490    11.82
2019.59    0.490    13.61
2019.69    0.489    15.41
2019.79    0.488    17.21
2019.89    0.486    19.02
2019.99    0.485    20.84
2020.09    0.483    22.67
2020.19    0.481    24.52
2020.29    0.478    26.39
2020.39    0.476    28.28
2020.49    0.473    30.19
2020.59    0.470    32.12
2020.69    0.467    34.07
2020.79    0.464    36.05
2020.89    0.461    38.06
2020.99    0.458    40.10
2021.09    0.455    42.16
2021.19    0.451    44.25
2021.29    0.448    46.37
2021.39    0.445    48.53
2021.49    0.442    50.71
2021.59    0.439    52.92
2021.69    0.436    55.16
2021.79    0.434    57.43
2021.89    0.431    59.73
2021.99    0.429    62.05
2022.09    0.427    64.39
2022.19    0.425    66.76
2022.29    0.423    69.14
2022.39    0.422    71.55
2022.49    0.421    73.96
2022.59    0.420    76.39
2022.69    0.420    78.83
2022.79    0.420    81.26
2022.89    0.420    83.70
2022.99    0.420    86.14
2023.09    0.421    88.57
2023.19    0.422    90.99
2023.29    0.423    93.40
2023.39    0.425    95.79
2023.49    0.426    98.16
2023.59    0.428   100.52
2023.69    0.431   102.84
2023.79    0.433   105.14
2023.89    0.436   107.41
2023.99    0.439   109.65
2024.09    0.443   111.86
2024.19    0.446   114.04
2024.29    0.450   116.18
2024.39    0.453   118.29
2024.49    0.457   120.36
2024.59    0.461   122.40
2024.69    0.465   124.41
2024.79    0.469   126.38
2024.89    0.473   128.31
2024.99    0.477   130.22
2025.09    0.481   132.09
2025.19    0.485   133.93
2025.29    0.489   135.74
2025.39    0.493   137.52
2025.49    0.497   139.27
2025.59    0.501   141.00
2025.69    0.504   142.70
2025.79    0.508   144.37
2025.89    0.511   146.03
2025.99    0.514   147.66
2026.09    0.517   149.28
2026.19    0.520   150.88
2026.29    0.522   152.46
2026.39    0.524   154.03
2026.49    0.526   155.59
2026.59    0.528   157.13
2026.69    0.529   158.67
2026.79    0.530   160.20
2026.89    0.531   161.73
2026.99    0.531   163.25
2027.09    0.531   164.77
2027.19    0.531   166.29
2027.29    0.530   167.82
2027.39    0.529   169.35
2027.49    0.528   170.88
2027.59    0.526   172.43
2027.69    0.524   173.99
2027.79    0.521   175.57
2027.89    0.518   177.16
2027.99    0.514   178.77
2028.09    0.510   180.41
2028.19    0.506   182.07
2028.29    0.501   183.76
2028.39    0.496   185.49
2028.49    0.490   187.26
2028.59    0.484   189.06
2028.69    0.478   190.92
2028.79    0.471   192.82
2028.89    0.464   194.79
2028.99    0.457   196.81
2029.09    0.449   198.91
2029.19    0.441   201.08
2029.29    0.433   203.33
2029.39    0.424   205.67
2029.49    0.416   208.10
2029.59    0.407   210.64
2029.69    0.398   213.30
2029.79    0.389   216.07
2029.89    0.380   218.98
2029.99    0.372   222.02
2030.09    0.363   225.20
2030.19    0.355   228.53
2030.29    0.347   232.02
2030.39    0.340   235.66
2030.49    0.333   239.46
2030.59    0.327   243.40
2030.69    0.322   247.49
2030.79    0.317   251.70
2030.89    0.314   256.02
2030.99    0.311   260.43
2031.09    0.309   264.89
2031.19    0.309   269.39
2031.29    0.309   273.88
2031.39    0.311   278.34
2031.49    0.314   282.75
2031.59    0.317   287.07
2031.69    0.322   291.28
2031.79    0.327   295.37
2031.89    0.333   299.32
2031.99    0.339   303.13
2032.09    0.346   306.79
2032.19    0.354   310.29
2032.29    0.361   313.65
2032.39    0.369   316.87
2032.49    0.378   319.95
2032.59    0.386   322.90
2032.69    0.394   325.73



 

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 14:40:37


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