Double Star Calculator - Orbit

Orbital Elements for BEU23
WDS: BEU23 WDS ID/Discoverer
P: 11.530 Orbital period (years)
a: 0.26239999999999997 Semi-major axis (arcseconds)
i: 103.4 Inclination (degrees)
Ω: 30.69 Longitude of ascending node (degrees)
T: 2024.800 Epoch of periastron passage (year)
e: 0.46 Eccentricity
ω: 204.91 Longitude of periastron (degrees)
Start-Year: 2019.235 Year
End-Year: 2030.765 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for BEU23
Position: 231728.13+193646.6 Epoch-2000 right ascension and declination
WDS-ID: 23175+1937 WDS designation
Discoverer Code: BEU23 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.3 Magnitude of the primary
V2: 12.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 2 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Jnn2022 Reference

Double Star Orbit for BEU23



WDS 6th Orbit including measures of BEU23

-- 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 BEU23
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.165    45.11
--------------------------
2019.23    0.342    23.81
2019.33    0.338    23.42
2019.43    0.333    23.03
2019.53    0.328    22.63
2019.63    0.323    22.21
2019.73    0.318    21.78
2019.83    0.312    21.33
2019.93    0.306    20.87
2020.03    0.300    20.39
2020.13    0.293    19.88
2020.23    0.286    19.36
2020.33    0.279    18.80
2020.43    0.272    18.22
2020.53    0.264    17.60
2020.63    0.256    16.95
2020.73    0.248    16.25
2020.83    0.239    15.50
2020.93    0.231    14.70
2021.03    0.222    13.83
2021.13    0.212    12.89
2021.23    0.203    11.87
2021.33    0.193    10.74
2021.43    0.184     9.50
2021.53    0.174     8.11
2021.63    0.164     6.56
2021.73    0.154     4.80
2021.83    0.143     2.79
2021.93    0.133     0.46
2022.03    0.123   357.75
2022.13    0.112   354.54
2022.23    0.102   350.69
2022.33    0.093   346.03
2022.43    0.084   340.32
2022.53    0.075   333.28
2022.63    0.068   324.65
2022.73    0.063   314.30
2022.83    0.060   302.44
2022.93    0.059   289.81
2023.03    0.061   277.49
2023.13    0.066   266.40
2023.23    0.072   256.98
2023.33    0.079   249.21
2023.43    0.088   242.86
2023.53    0.097   237.64
2023.63    0.105   233.30
2023.73    0.114   229.62
2023.83    0.122   226.46
2023.93    0.130   223.67
2024.03    0.136   221.18
2024.13    0.142   218.90
2024.23    0.146   216.76
2024.33    0.148   214.71
2024.43    0.148   212.69
2024.53    0.146   210.64
2024.63    0.142   208.51
2024.73    0.135   206.20
2024.83    0.126   203.60
2024.93    0.115   200.54
2025.03    0.102   196.78
2025.13    0.088   191.87
2025.23    0.074   185.04
2025.33    0.059   174.91
2025.43    0.048   159.10
2025.53    0.041   135.57
2025.63    0.042   108.55
2025.73    0.050    87.08
2025.83    0.063    73.14
2025.93    0.078    64.22
2026.03    0.094    58.22
2026.13    0.110    53.94
2026.23    0.126    50.74
2026.33    0.141    48.24
2026.43    0.156    46.23
2026.53    0.170    44.56
2026.63    0.184    43.16
2026.73    0.198    41.94
2026.83    0.210    40.88
2026.93    0.223    39.94
2027.03    0.234    39.09
2027.13    0.246    38.32
2027.23    0.256    37.62
2027.33    0.266    36.97
2027.43    0.276    36.37
2027.53    0.285    35.80
2027.63    0.293    35.27
2027.73    0.301    34.77
2027.83    0.309    34.30
2027.93    0.316    33.84
2028.03    0.322    33.41
2028.13    0.328    32.99
2028.23    0.334    32.58
2028.33    0.339    32.19
2028.43    0.343    31.81
2028.53    0.348    31.44
2028.63    0.351    31.08
2028.73    0.355    30.72
2028.83    0.358    30.38
2028.93    0.360    30.03
2029.03    0.362    29.69
2029.13    0.364    29.36
2029.23    0.365    29.03
2029.33    0.366    28.70
2029.43    0.367    28.37
2029.53    0.367    28.04
2029.63    0.367    27.71
2029.73    0.367    27.38
2029.83    0.366    27.05
2029.93    0.365    26.72
2030.03    0.363    26.39
2030.13    0.361    26.05
2030.23    0.359    25.71
2030.33    0.357    25.36
2030.43    0.354    25.01
2030.53    0.350    24.66
2030.63    0.347    24.29
2030.73    0.343    23.92



 

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 18:49:22


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