Double Star Calculator - Orbit

Orbital Elements for BAG8AB

WDS:	BAG8AB	WDS ID/Discoverer
P:	13.604	Orbital period (years)
a:	0.2549	Semi-major axis (arcseconds)
i:	101.79	Inclination (degrees)
Ω:	100.68	Longitude of ascending node (degrees)
T:	2019.235	Epoch of periastron passage (year)
e:	0.268	Eccentricity
ω:	250.5	Longitude of periastron (degrees)
Start-Year:	2018.198	Year
End-Year:	2031.802	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BAG8AB
Position:	034448.83+460209.0	Epoch-2000 right ascension and declination
WDS-ID:	03448+4602	WDS designation
Discoverer Code:	BAG8AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	23140	HD catalog number
Hipparcos number:	17491	Hipparcos catalog number
V1:	7.90	Magnitude of the primary
V2:	10.66	Magnitude of the secondary
Equinox:		Equinox
Date:	2016	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:	MnA2019	Reference

Double Star Orbit for BAG8AB

WDS 6th Orbit including measures of BAG8AB

-- 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 BAG8AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.093    57.17
--------------------------
2018.20    0.184   275.61
2018.30    0.176   274.57
2018.40    0.167   273.42
2018.50    0.158   272.14
2018.60    0.148   270.69
2018.70    0.137   269.02
2018.80    0.125   267.04
2018.90    0.114   264.67
2019.00    0.101   261.73
2019.10    0.089   257.97
2019.20    0.076   252.98
2019.30    0.064   246.09
2019.40    0.053   236.21
2019.50    0.044   221.80
2019.60    0.039   202.00
2019.70    0.039   179.55
2019.80    0.045   160.10
2019.90    0.054   146.06
2020.00    0.065   136.45
2020.10    0.077   129.74
2020.20    0.090   124.88
2020.30    0.103   121.22
2020.40    0.115   118.35
2020.50    0.127   116.05
2020.60    0.139   114.14
2020.70    0.151   112.53
2020.80    0.162   111.14
2020.90    0.172   109.93
2021.00    0.182   108.85
2021.10    0.192   107.89
2021.20    0.201   107.01
2021.30    0.209   106.20
2021.40    0.217   105.46
2021.50    0.224   104.76
2021.60    0.231   104.11
2021.70    0.237   103.49
2021.80    0.243   102.90
2021.90    0.248   102.34
2022.00    0.252   101.79
2022.10    0.256   101.27
2022.20    0.259   100.76
2022.30    0.262   100.26
2022.40    0.265    99.78
2022.50    0.267    99.30
2022.60    0.268    98.82
2022.70    0.269    98.35
2022.80    0.270    97.89
2022.90    0.270    97.42
2023.00    0.270    96.96
2023.10    0.269    96.49
2023.20    0.268    96.02
2023.30    0.266    95.55
2023.40    0.265    95.07
2023.50    0.262    94.58
2023.60    0.260    94.08
2023.70    0.257    93.57
2023.80    0.254    93.06
2023.90    0.250    92.52
2024.00    0.247    91.97
2024.10    0.242    91.41
2024.20    0.238    90.82
2024.30    0.234    90.21
2024.40    0.229    89.58
2024.50    0.224    88.92
2024.60    0.218    88.23
2024.70    0.213    87.50
2024.80    0.207    86.73
2024.90    0.201    85.91
2025.00    0.195    85.05
2025.10    0.189    84.13
2025.20    0.182    83.15
2025.30    0.176    82.09
2025.40    0.169    80.95
2025.50    0.162    79.72
2025.60    0.155    78.37
2025.70    0.148    76.91
2025.80    0.141    75.29
2025.90    0.134    73.51
2026.00    0.127    71.53
2026.10    0.120    69.32
2026.20    0.113    66.84
2026.30    0.107    64.04
2026.40    0.100    60.86
2026.50    0.094    57.24
2026.60    0.088    53.11
2026.70    0.082    48.39
2026.80    0.077    43.01
2026.90    0.073    36.93
2027.00    0.069    30.14
2027.10    0.066    22.73
2027.20    0.065    14.86
2027.30    0.065     6.79
2027.40    0.066   358.80
2027.50    0.068   351.18
2027.60    0.071   344.12
2027.70    0.075   337.75
2027.80    0.080   332.09
2027.90    0.085   327.10
2028.00    0.091   322.73
2028.10    0.097   318.90
2028.20    0.104   315.55
2028.30    0.110   312.58
2028.40    0.117   309.96
2028.50    0.124   307.63
2028.60    0.131   305.54
2028.70    0.138   303.66
2028.80    0.144   301.95
2028.90    0.151   300.40
2029.00    0.157   298.97
2029.10    0.164   297.66
2029.20    0.170   296.44
2029.30    0.176   295.31
2029.40    0.182   294.26
2029.50    0.187   293.26
2029.60    0.192   292.32
2029.70    0.197   291.43
2029.80    0.202   290.58
2029.90    0.206   289.77
2030.00    0.210   288.99
2030.10    0.214   288.24
2030.20    0.217   287.51
2030.30    0.219   286.79
2030.40    0.221   286.09
2030.50    0.223   285.41
2030.60    0.224   284.73
2030.70    0.224   284.05
2030.80    0.224   283.38
2030.90    0.223   282.70
2031.00    0.222   282.02
2031.10    0.220   281.32
2031.20    0.217   280.61
2031.30    0.213   279.88
2031.40    0.209   279.13
2031.50    0.204   278.33
2031.60    0.198   277.50
2031.70    0.192   276.61
2031.80    0.185   275.65

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 15:14:09