Double Star Calculator - Orbit

Orbital Elements for EBE1AA,AB
WDS: EBE1AA,AB WDS ID/Discoverer
P: 25.912 Orbital period (years)
a: 0.381 Semi-major axis (arcseconds)
i: 17.0 Inclination (degrees)
Ω: 343.3 Longitude of ascending node (degrees)
T: 2006.535 Epoch of periastron passage (year)
e: 0.88 Eccentricity
ω: 52.3 Longitude of periastron (degrees)
Start-Year: 2012.044 Year
End-Year: 2037.956 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for EBE1AA,AB
Position: 222849.81-000112.2 Epoch-2000 right ascension and declination
WDS-ID: 22288-0001 WDS designation
Discoverer Code: EBE1AA,AB Discover designation and components
ADS number: 15971 Aitken Double Star catalog
HD number: 213052 HD catalog number
Hipparcos number: 110960 Hipparcos catalog number
V1: 4.34 Magnitude of the primary
V2: 11.3 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2024 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2024e Reference

Double Star Orbit for EBE1AA,AB



WDS 6th Orbit including measures of EBE1AA,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 EBE1AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.549   229.89
--------------------------
2012.04    0.541   197.84
2012.14    0.546   198.15
2012.24    0.550   198.46
2012.34    0.555   198.76
2012.44    0.559   199.05
2012.54    0.564   199.34
2012.64    0.568   199.63
2012.74    0.572   199.91
2012.84    0.576   200.19
2012.94    0.580   200.46
2013.04    0.584   200.74
2013.14    0.588   201.00
2013.24    0.591   201.27
2013.34    0.595   201.53
2013.44    0.599   201.78
2013.54    0.602   202.04
2013.64    0.605   202.29
2013.74    0.609   202.54
2013.84    0.612   202.78
2013.94    0.615   203.03
2014.04    0.618   203.27
2014.14    0.622   203.51
2014.24    0.625   203.74
2014.34    0.628   203.98
2014.44    0.630   204.21
2014.54    0.633   204.44
2014.64    0.636   204.66
2014.74    0.639   204.89
2014.84    0.641   205.11
2014.94    0.644   205.34
2015.04    0.646   205.56
2015.14    0.649   205.77
2015.24    0.651   205.99
2015.34    0.653   206.21
2015.44    0.655   206.42
2015.54    0.658   206.63
2015.64    0.660   206.84
2015.74    0.662   207.05
2015.84    0.664   207.26
2015.94    0.666   207.47
2016.04    0.668   207.68
2016.14    0.669   207.88
2016.24    0.671   208.08
2016.34    0.673   208.29
2016.44    0.674   208.49
2016.54    0.676   208.69
2016.64    0.677   208.89
2016.74    0.679   209.09
2016.84    0.680   209.29
2016.94    0.682   209.49
2017.04    0.683   209.68
2017.14    0.684   209.88
2017.24    0.685   210.07
2017.34    0.686   210.27
2017.44    0.687   210.46
2017.54    0.688   210.66
2017.64    0.689   210.85
2017.74    0.690   211.04
2017.84    0.691   211.23
2017.94    0.692   211.42
2018.04    0.693   211.62
2018.14    0.693   211.81
2018.24    0.694   212.00
2018.34    0.694   212.19
2018.44    0.695   212.38
2018.54    0.695   212.57
2018.64    0.696   212.76
2018.74    0.696   212.95
2018.84    0.696   213.13
2018.94    0.697   213.32
2019.04    0.697   213.51
2019.14    0.697   213.70
2019.24    0.697   213.89
2019.34    0.697   214.08
2019.44    0.697   214.27
2019.54    0.697   214.45
2019.64    0.697   214.64
2019.74    0.696   214.83
2019.84    0.696   215.02
2019.94    0.696   215.21
2020.04    0.695   215.40
2020.14    0.695   215.59
2020.24    0.695   215.78
2020.34    0.694   215.97
2020.44    0.693   216.16
2020.54    0.693   216.35
2020.64    0.692   216.54
2020.74    0.691   216.73
2020.84    0.691   216.92
2020.94    0.690   217.12
2021.04    0.689   217.31
2021.14    0.688   217.50
2021.24    0.687   217.70
2021.34    0.686   217.89
2021.44    0.685   218.09
2021.54    0.683   218.28
2021.64    0.682   218.48
2021.74    0.681   218.68
2021.84    0.679   218.87
2021.94    0.678   219.07
2022.04    0.677   219.27
2022.14    0.675   219.47
2022.24    0.673   219.67
2022.34    0.672   219.88
2022.44    0.670   220.08
2022.54    0.668   220.29
2022.64    0.667   220.49
2022.74    0.665   220.70
2022.84    0.663   220.91
2022.94    0.661   221.11
2023.04    0.659   221.32
2023.14    0.657   221.54
2023.24    0.654   221.75
2023.34    0.652   221.96
2023.44    0.650   222.18
2023.54    0.648   222.40
2023.64    0.645   222.62
2023.74    0.643   222.84
2023.84    0.640   223.06
2023.94    0.638   223.29
2024.04    0.635   223.51
2024.14    0.632   223.74
2024.24    0.629   223.97
2024.34    0.627   224.20
2024.44    0.624   224.44
2024.54    0.621   224.67
2024.64    0.618   224.91
2024.74    0.615   225.15
2024.84    0.611   225.40
2024.94    0.608   225.64
2025.04    0.605   225.89
2025.14    0.602   226.14
2025.24    0.598   226.40
2025.34    0.595   226.66
2025.44    0.591   226.92
2025.54    0.587   227.18
2025.64    0.584   227.45
2025.74    0.580   227.72
2025.84    0.576   227.99
2025.94    0.572   228.27
2026.04    0.568   228.55
2026.14    0.564   228.84
2026.24    0.560   229.13
2026.34    0.555   229.42
2026.44    0.551   229.72
2026.54    0.547   230.03
2026.64    0.542   230.34
2026.74    0.538   230.65
2026.84    0.533   230.97
2026.94    0.528   231.30
2027.04    0.523   231.63
2027.14    0.518   231.96
2027.24    0.513   232.31
2027.34    0.508   232.66
2027.44    0.503   233.02
2027.54    0.498   233.38
2027.64    0.493   233.76
2027.74    0.487   234.14
2027.84    0.481   234.53
2027.94    0.476   234.93
2028.04    0.470   235.34
2028.14    0.464   235.76
2028.24    0.458   236.19
2028.34    0.452   236.63
2028.44    0.446   237.09
2028.54    0.439   237.55
2028.64    0.433   238.03
2028.74    0.426   238.53
2028.84    0.420   239.04
2028.94    0.413   239.57
2029.04    0.406   240.12
2029.14    0.399   240.68
2029.24    0.392   241.27
2029.34    0.384   241.88
2029.44    0.377   242.51
2029.54    0.369   243.17
2029.64    0.361   243.86
2029.74    0.353   244.58
2029.84    0.345   245.33
2029.94    0.337   246.12
2030.04    0.328   246.95
2030.14    0.319   247.82
2030.24    0.310   248.74
2030.34    0.301   249.72
2030.44    0.292   250.76
2030.54    0.282   251.87
2030.64    0.273   253.06
2030.74    0.262   254.35
2030.84    0.252   255.73
2030.94    0.241   257.23
2031.04    0.230   258.88
2031.14    0.219   260.69
2031.24    0.208   262.71
2031.34    0.196   264.96
2031.44    0.183   267.52
2031.54    0.170   270.46
2031.64    0.157   273.89
2031.74    0.143   277.96
2031.84    0.129   282.94
2031.94    0.114   289.19
2032.04    0.098   297.39
2032.14    0.082   308.72
2032.24    0.066   325.51
2032.34    0.052   352.16
2032.44    0.045    32.97
2032.54    0.049    76.66
2032.64    0.064   106.29
2032.74    0.081   124.11
2032.84    0.099   135.58
2032.94    0.116   143.62
2033.04    0.132   149.62
2033.14    0.147   154.33
2033.24    0.162   158.16
2033.34    0.177   161.35
2033.44    0.190   164.08
2033.54    0.203   166.45
2033.64    0.216   168.54
2033.74    0.228   170.40
2033.84    0.240   172.07
2033.94    0.251   173.59
2034.04    0.262   174.98
2034.14    0.273   176.25
2034.24    0.284   177.44
2034.34    0.294   178.54
2034.44    0.304   179.56
2034.54    0.313   180.53
2034.64    0.323   181.43
2034.74    0.332   182.29
2034.84    0.341   183.10
2034.94    0.349   183.87
2035.04    0.358   184.60
2035.14    0.366   185.30
2035.24    0.374   185.97
2035.34    0.382   186.61
2035.44    0.390   187.23
2035.54    0.397   187.82
2035.64    0.405   188.39
2035.74    0.412   188.94
2035.84    0.419   189.47
2035.94    0.426   189.98
2036.04    0.433   190.47
2036.14    0.440   190.96
2036.24    0.446   191.42
2036.34    0.453   191.87
2036.44    0.459   192.32
2036.54    0.465   192.74
2036.64    0.471   193.16
2036.74    0.477   193.57
2036.84    0.483   193.97
2036.94    0.489   194.35
2037.04    0.495   194.73
2037.14    0.500   195.10
2037.24    0.506   195.46
2037.34    0.511   195.82
2037.44    0.516   196.17
2037.54    0.521   196.51
2037.64    0.526   196.84
2037.74    0.531   197.17
2037.84    0.536   197.49
2037.94    0.541   197.81






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 18:40:27



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