Double Star Calculator - Orbit

Orbital Elements for CVN27BA,BB
WDS: CVN27BA,BB WDS ID/Discoverer
P: 19.770 Orbital period (years)
a: 0.182 Semi-major axis (arcseconds)
i: 107.9 Inclination (degrees)
Ω: 3.8 Longitude of ascending node (degrees)
T: 2017.260 Epoch of periastron passage (year)
e: 0.47 Eccentricity
ω: 138.3 Longitude of periastron (degrees)
Start-Year: 2015.115 Year
End-Year: 2034.885 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for CVN27BA,BB
Position: 162517.79-490852.8 Epoch-2000 right ascension and declination
WDS-ID: 16253-4909 WDS designation
Discoverer Code: CVN27BA,BB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 147633 HD catalog number
Hipparcos number: 80448 Hipparcos catalog number
V1: 8.23 Magnitude of the primary
V2: 11.7 Magnitude of the secondary
Equinox: Equinox
Date: 2021 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2021f Reference

Double Star Orbit for CVN27BA,BB



WDS 6th Orbit including measures of CVN27BA,BB

-- 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 CVN27BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.193    21.75
--------------------------
2015.12    0.103   345.52
2015.21    0.096   343.87
2015.31    0.090   341.99
2015.41    0.083   339.80
2015.51    0.077   337.24
2015.61    0.070   334.20
2015.71    0.063   330.51
2015.81    0.057   325.97
2015.91    0.051   320.29
2016.01    0.045   313.06
2016.11    0.040   303.85
2016.21    0.036   292.31
2016.31    0.034   278.58
2016.41    0.033   263.73
2016.51    0.035   249.47
2016.61    0.038   237.13
2016.71    0.043   227.14
2016.81    0.048   219.25
2016.91    0.054   213.01
2017.01    0.060   208.00
2017.11    0.066   203.90
2017.21    0.072   200.48
2017.31    0.078   197.56
2017.41    0.083   195.03
2017.51    0.088   192.78
2017.61    0.092   190.76
2017.71    0.096   188.91
2017.81    0.099   187.19
2017.91    0.102   185.58
2018.01    0.105   184.05
2018.11    0.106   182.59
2018.21    0.108   181.16
2018.31    0.109   179.77
2018.41    0.109   178.40
2018.51    0.110   177.04
2018.61    0.109   175.68
2018.71    0.109   174.31
2018.81    0.108   172.92
2018.91    0.107   171.51
2019.01    0.106   170.06
2019.11    0.104   168.58
2019.21    0.103   167.05
2019.31    0.101   165.46
2019.41    0.099   163.81
2019.51    0.096   162.09
2019.61    0.094   160.29
2019.71    0.092   158.40
2019.81    0.090   156.41
2019.91    0.087   154.32
2020.01    0.085   152.10
2020.11    0.082   149.75
2020.21    0.080   147.27
2020.31    0.078   144.63
2020.41    0.075   141.84
2020.51    0.073   138.88
2020.61    0.071   135.75
2020.71    0.069   132.44
2020.81    0.068   128.96
2020.91    0.066   125.32
2021.01    0.065   121.52
2021.11    0.064   117.59
2021.21    0.063   113.55
2021.31    0.063   109.42
2021.41    0.063   105.25
2021.51    0.063   101.06
2021.61    0.063    96.91
2021.71    0.064    92.82
2021.81    0.064    88.82
2021.91    0.066    84.96
2022.01    0.067    81.24
2022.11    0.069    77.69
2022.21    0.071    74.31
2022.31    0.073    71.12
2022.41    0.075    68.10
2022.51    0.077    65.27
2022.61    0.080    62.61
2022.71    0.082    60.12
2022.81    0.085    57.78
2022.91    0.088    55.59
2023.01    0.091    53.54
2023.11    0.094    51.61
2023.21    0.097    49.81
2023.31    0.100    48.11
2023.41    0.103    46.52
2023.51    0.106    45.02
2023.61    0.109    43.60
2023.71    0.112    42.27
2023.81    0.115    41.01
2023.91    0.119    39.81
2024.01    0.122    38.68
2024.11    0.125    37.61
2024.21    0.128    36.58
2024.31    0.131    35.61
2024.41    0.134    34.69
2024.51    0.138    33.80
2024.61    0.141    32.96
2024.71    0.144    32.15
2024.81    0.147    31.37
2024.91    0.150    30.63
2025.01    0.153    29.92
2025.11    0.156    29.23
2025.21    0.159    28.57
2025.31    0.162    27.93
2025.41    0.165    27.32
2025.51    0.167    26.72
2025.61    0.170    26.15
2025.71    0.173    25.59
2025.81    0.176    25.05
2025.91    0.178    24.53
2026.01    0.181    24.02
2026.11    0.183    23.53
2026.21    0.186    23.05
2026.31    0.188    22.58
2026.41    0.191    22.13
2026.51    0.193    21.69
2026.61    0.196    21.25
2026.71    0.198    20.83
2026.81    0.200    20.42
2026.91    0.202    20.01
2027.01    0.204    19.62
2027.11    0.207    19.23
2027.21    0.209    18.85
2027.31    0.210    18.48
2027.41    0.212    18.11
2027.51    0.214    17.75
2027.61    0.216    17.40
2027.71    0.218    17.05
2027.81    0.219    16.71
2027.91    0.221    16.37
2028.01    0.222    16.04
2028.11    0.224    15.71
2028.21    0.225    15.38
2028.31    0.227    15.06
2028.41    0.228    14.74
2028.51    0.229    14.43
2028.61    0.230    14.12
2028.71    0.231    13.81
2028.81    0.232    13.51
2028.91    0.233    13.21
2029.01    0.234    12.91
2029.11    0.235    12.61
2029.21    0.235    12.31
2029.31    0.236    12.02
2029.41    0.237    11.72
2029.51    0.237    11.43
2029.61    0.237    11.14
2029.71    0.238    10.85
2029.81    0.238    10.56
2029.91    0.238    10.27
2030.01    0.238     9.98
2030.11    0.238     9.70
2030.21    0.238     9.41
2030.31    0.238     9.12
2030.41    0.237     8.83
2030.51    0.237     8.54
2030.61    0.236     8.24
2030.71    0.236     7.95
2030.81    0.235     7.66
2030.91    0.234     7.36
2031.01    0.234     7.06
2031.11    0.233     6.76
2031.21    0.231     6.45
2031.31    0.230     6.15
2031.41    0.229     5.84
2031.51    0.228     5.52
2031.61    0.226     5.21
2031.71    0.224     4.88
2031.81    0.223     4.56
2031.91    0.221     4.22
2032.01    0.219     3.89
2032.11    0.217     3.54
2032.21    0.215     3.19
2032.31    0.212     2.83
2032.41    0.210     2.46
2032.51    0.207     2.09
2032.61    0.205     1.70
2032.71    0.202     1.31
2032.81    0.199     0.90
2032.91    0.196     0.48
2033.01    0.192     0.04
2033.11    0.189   359.59
2033.21    0.185   359.13
2033.31    0.182   358.64
2033.41    0.178   358.14
2033.51    0.174   357.61
2033.61    0.170   357.05
2033.71    0.165   356.47
2033.81    0.161   355.86
2033.91    0.156   355.21
2034.01    0.152   354.52
2034.11    0.147   353.78
2034.21    0.141   352.99
2034.31    0.136   352.14
2034.41    0.131   351.22
2034.51    0.125   350.22
2034.61    0.119   349.12
2034.71    0.113   347.91
2034.81    0.107   346.56






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 17:26:21



www.stella-vega.de