Double Star Calculator - Orbit

Orbital Elements for BEU7

WDS:	BEU7	WDS ID/Discoverer
P:	15.340	Orbital period (years)
a:	0.324	Semi-major axis (arcseconds)
i:	136.5	Inclination (degrees)
Ω:	93.4	Longitude of ascending node (degrees)
T:	2022.160	Epoch of periastron passage (year)
e:	0.093	Eccentricity
ω:	254.1	Longitude of periastron (degrees)
Start-Year:	2017.33	Year
End-Year:	2032.67	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BEU7
Position:	050321.88-231500.8	Epoch-2000 right ascension and declination
WDS-ID:	05033-2315	WDS designation
Discoverer Code:	BEU7	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	23516	Hipparcos catalog number
V1:	8.28	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Tok2023a	Reference

Double Star Orbit for BEU7

WDS 6th Orbit including measures of BEU7

-- 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 BEU7

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.332    88.98
--------------------------
2017.33    0.290   312.81
2017.43    0.292   310.71
2017.53    0.295   308.64
2017.63    0.297   306.61
2017.73    0.300   304.61
2017.83    0.302   302.64
2017.93    0.304   300.70
2018.03    0.306   298.79
2018.13    0.308   296.90
2018.23    0.310   295.04
2018.33    0.311   293.19
2018.43    0.312   291.36
2018.53    0.314   289.54
2018.63    0.314   287.74
2018.73    0.315   285.94
2018.83    0.316   284.15
2018.93    0.316   282.37
2019.03    0.316   280.59
2019.13    0.316   278.80
2019.23    0.315   277.01
2019.33    0.314   275.22
2019.43    0.313   273.41
2019.53    0.312   271.59
2019.63    0.310   269.75
2019.73    0.308   267.89
2019.83    0.306   266.01
2019.93    0.304   264.10
2020.03    0.301   262.15
2020.13    0.298   260.18
2020.23    0.295   258.16
2020.33    0.292   256.09
2020.43    0.288   253.98
2020.53    0.285   251.81
2020.63    0.281   249.59
2020.73    0.277   247.30
2020.83    0.273   244.94
2020.93    0.268   242.51
2021.03    0.264   239.99
2021.13    0.259   237.39
2021.23    0.255   234.70
2021.33    0.251   231.92
2021.43    0.246   229.03
2021.53    0.242   226.04
2021.63    0.238   222.95
2021.73    0.234   219.75
2021.83    0.230   216.45
2021.93    0.227   213.04
2022.03    0.224   209.54
2022.13    0.221   205.94
2022.23    0.219   202.25
2022.33    0.217   198.50
2022.43    0.215   194.68
2022.53    0.214   190.83
2022.63    0.214   186.94
2022.73    0.214   183.05
2022.83    0.214   179.17
2022.93    0.215   175.32
2023.03    0.217   171.51
2023.13    0.219   167.77
2023.23    0.221   164.10
2023.33    0.224   160.51
2023.43    0.228   157.03
2023.53    0.231   153.64
2023.63    0.235   150.36
2023.73    0.239   147.19
2023.83    0.243   144.13
2023.93    0.248   141.18
2024.03    0.252   138.33
2024.13    0.257   135.59
2024.23    0.262   132.95
2024.33    0.266   130.39
2024.43    0.271   127.93
2024.53    0.276   125.55
2024.63    0.280   123.25
2024.73    0.285   121.03
2024.83    0.289   118.87
2024.93    0.294   116.78
2025.03    0.298   114.74
2025.13    0.302   112.76
2025.23    0.305   110.82
2025.33    0.309   108.94
2025.43    0.312   107.09
2025.53    0.315   105.28
2025.63    0.318   103.51
2025.73    0.320   101.76
2025.83    0.323   100.04
2025.93    0.325    98.34
2026.03    0.327    96.67
2026.13    0.328    95.01
2026.23    0.330    93.37
2026.33    0.331    91.73
2026.43    0.331    90.11
2026.53    0.332    88.49
2026.63    0.332    86.88
2026.73    0.332    85.27
2026.83    0.332    83.66
2026.93    0.332    82.05
2027.03    0.331    80.43
2027.13    0.330    78.80
2027.23    0.329    77.16
2027.33    0.328    75.52
2027.43    0.326    73.85
2027.53    0.325    72.18
2027.63    0.323    70.48
2027.73    0.321    68.76
2027.83    0.319    67.02
2027.93    0.316    65.26
2028.03    0.314    63.47
2028.13    0.311    61.65
2028.23    0.309    59.80
2028.33    0.306    57.92
2028.43    0.303    56.00
2028.53    0.300    54.05
2028.63    0.298    52.06
2028.73    0.295    50.03
2028.83    0.292    47.96
2028.93    0.289    45.84
2029.03    0.286    43.69
2029.13    0.283    41.49
2029.23    0.280    39.24
2029.33    0.277    36.95
2029.43    0.275    34.62
2029.53    0.272    32.24
2029.63    0.270    29.81
2029.73    0.268    27.35
2029.83    0.265    24.84
2029.93    0.263    22.30
2030.03    0.262    19.72
2030.13    0.260    17.10
2030.23    0.259    14.46
2030.33    0.258    11.80
2030.43    0.257     9.11
2030.53    0.256     6.41
2030.63    0.256     3.69
2030.73    0.256     0.97
2030.83    0.256   358.25
2030.93    0.256   355.54
2031.03    0.257   352.83
2031.13    0.258   350.14
2031.23    0.259   347.47
2031.33    0.260   344.82
2031.43    0.261   342.20
2031.53    0.263   339.61
2031.63    0.265   337.05
2031.73    0.267   334.53
2031.83    0.269   332.05
2031.93    0.271   329.60
2032.03    0.273   327.20
2032.13    0.276   324.84
2032.23    0.278   322.52
2032.33    0.281   320.25
2032.43    0.283   318.01
2032.53    0.286   315.82
2032.63    0.289   313.66

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 15:33:17