Double Star Calculator - Orbit

Orbital Elements for CHR88AA,AB
WDS: CHR88AA,AB WDS ID/Discoverer
P: 20.530 Orbital period (years)
a: 0.08990000000000001 Semi-major axis (arcseconds)
i: 136.1 Inclination (degrees)
Ω: 18.9 Longitude of ascending node (degrees)
T: 2017.462 Epoch of periastron passage (year)
e: 0.072 Eccentricity
ω: 3.0 Longitude of periastron (degrees)
Start-Year: 2014.735 Year
End-Year: 2035.265 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for CHR88AA,AB
Position: 194043.31-003716.7 Epoch-2000 right ascension and declination
WDS-ID: 19407-0037 WDS designation
Discoverer Code: CHR88AA,AB Discover designation and components
ADS number: 12775 Aitken Double Star catalog
HD number: 185762 HD catalog number
Hipparcos number: 96807 Hipparcos catalog number
V1: 5.9 Magnitude of the primary
V2: 7.6 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: CIA2022f Reference

Double Star Orbit for CHR88AA,AB



WDS 6th Orbit including measures of CHR88AA,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 CHR88AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.094   210.37
--------------------------
2014.73    0.072    60.88
2014.83    0.073    58.95
2014.93    0.074    57.04
2015.03    0.074    55.18
2015.13    0.075    53.34
2015.23    0.076    51.54
2015.33    0.076    49.77
2015.43    0.077    48.03
2015.53    0.077    46.32
2015.63    0.078    44.63
2015.73    0.079    42.97
2015.83    0.079    41.33
2015.93    0.080    39.72
2016.03    0.080    38.12
2016.13    0.081    36.55
2016.23    0.081    34.99
2016.33    0.082    33.45
2016.43    0.082    31.93
2016.53    0.082    30.41
2016.63    0.083    28.91
2016.73    0.083    27.42
2016.83    0.083    25.94
2016.93    0.083    24.46
2017.03    0.083    22.99
2017.13    0.083    21.53
2017.23    0.083    20.06
2017.33    0.083    18.60
2017.43    0.083    17.14
2017.53    0.083    15.67
2017.63    0.083    14.20
2017.73    0.083    12.73
2017.83    0.083    11.24
2017.93    0.083     9.75
2018.03    0.082     8.25
2018.13    0.082     6.74
2018.23    0.082     5.22
2018.33    0.081     3.68
2018.43    0.081     2.12
2018.53    0.080     0.55
2018.63    0.080   358.96
2018.73    0.079   357.35
2018.83    0.079   355.71
2018.93    0.078   354.05
2019.03    0.077   352.36
2019.13    0.077   350.65
2019.23    0.076   348.91
2019.33    0.075   347.14
2019.43    0.075   345.33
2019.53    0.074   343.50
2019.63    0.073   341.62
2019.73    0.073   339.72
2019.83    0.072   337.78
2019.93    0.071   335.80
2020.03    0.071   333.78
2020.13    0.070   331.72
2020.23    0.069   329.63
2020.33    0.069   327.49
2020.43    0.068   325.32
2020.53    0.068   323.11
2020.63    0.067   320.86
2020.73    0.067   318.58
2020.83    0.066   316.27
2020.93    0.066   313.92
2021.03    0.065   311.54
2021.13    0.065   309.14
2021.23    0.065   306.72
2021.33    0.064   304.27
2021.43    0.064   301.81
2021.53    0.064   299.34
2021.63    0.064   296.85
2021.73    0.064   294.37
2021.83    0.064   291.89
2021.93    0.064   289.41
2022.03    0.064   286.94
2022.13    0.065   284.49
2022.23    0.065   282.05
2022.33    0.065   279.64
2022.43    0.066   277.26
2022.53    0.066   274.90
2022.63    0.066   272.57
2022.73    0.067   270.29
2022.83    0.068   268.03
2022.93    0.068   265.82
2023.03    0.069   263.65
2023.13    0.069   261.52
2023.23    0.070   259.43
2023.33    0.071   257.39
2023.43    0.072   255.39
2023.53    0.073   253.43
2023.63    0.073   251.51
2023.73    0.074   249.64
2023.83    0.075   247.81
2023.93    0.076   246.02
2024.03    0.077   244.27
2024.13    0.078   242.56
2024.23    0.078   240.89
2024.33    0.079   239.26
2024.43    0.080   237.66
2024.53    0.081   236.09
2024.63    0.082   234.56
2024.73    0.083   233.06
2024.83    0.084   231.59
2024.93    0.084   230.15
2025.03    0.085   228.73
2025.13    0.086   227.34
2025.23    0.087   225.98
2025.33    0.088   224.64
2025.43    0.088   223.32
2025.53    0.089   222.03
2025.63    0.090   220.75
2025.73    0.090   219.49
2025.83    0.091   218.25
2025.93    0.092   217.03
2026.03    0.092   215.82
2026.13    0.093   214.63
2026.23    0.093   213.45
2026.33    0.094   212.28
2026.43    0.094   211.12
2026.53    0.094   209.97
2026.63    0.095   208.83
2026.73    0.095   207.70
2026.83    0.095   206.58
2026.93    0.096   205.46
2027.03    0.096   204.35
2027.13    0.096   203.25
2027.23    0.096   202.14
2027.33    0.096   201.04
2027.43    0.096   199.94
2027.53    0.096   198.85
2027.63    0.096   197.75
2027.73    0.096   196.65
2027.83    0.096   195.55
2027.93    0.096   194.45
2028.03    0.096   193.35
2028.13    0.096   192.24
2028.23    0.095   191.12
2028.33    0.095   190.00
2028.43    0.095   188.88
2028.53    0.095   187.74
2028.63    0.094   186.60
2028.73    0.094   185.45
2028.83    0.093   184.28
2028.93    0.093   183.11
2029.03    0.092   181.92
2029.13    0.092   180.72
2029.23    0.091   179.50
2029.33    0.091   178.27
2029.43    0.090   177.02
2029.53    0.089   175.76
2029.63    0.089   174.47
2029.73    0.088   173.17
2029.83    0.087   171.84
2029.93    0.086   170.49
2030.03    0.086   169.11
2030.13    0.085   167.72
2030.23    0.084   166.29
2030.33    0.083   164.84
2030.43    0.082   163.35
2030.53    0.082   161.84
2030.63    0.081   160.30
2030.73    0.080   158.72
2030.83    0.079   157.11
2030.93    0.078   155.46
2031.03    0.077   153.78
2031.13    0.077   152.06
2031.23    0.076   150.30
2031.33    0.075   148.50
2031.43    0.074   146.66
2031.53    0.073   144.78
2031.63    0.072   142.86
2031.73    0.072   140.90
2031.83    0.071   138.89
2031.93    0.070   136.85
2032.03    0.070   134.76
2032.13    0.069   132.63
2032.23    0.068   130.46
2032.33    0.068   128.26
2032.43    0.067   126.01
2032.53    0.067   123.74
2032.63    0.066   121.43
2032.73    0.066   119.09
2032.83    0.065   116.72
2032.93    0.065   114.33
2033.03    0.065   111.92
2033.13    0.065   109.50
2033.23    0.065   107.06
2033.33    0.065   104.62
2033.43    0.065   102.17
2033.53    0.065    99.72
2033.63    0.065    97.28
2033.73    0.065    94.85
2033.83    0.065    92.43
2033.93    0.065    90.03
2034.03    0.066    87.64
2034.13    0.066    85.28
2034.23    0.066    82.95
2034.33    0.067    80.65
2034.43    0.067    78.38
2034.53    0.068    76.14
2034.63    0.068    73.93
2034.73    0.069    71.77
2034.83    0.069    69.63
2034.93    0.070    67.54
2035.03    0.071    65.48
2035.13    0.071    63.46
2035.23    0.072    61.47






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 18:07:26



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