Double Star Calculator - Orbit

Orbital Elements for B234

WDS:	B234	WDS ID/Discoverer
P:	122.000	Orbital period (years)
a:	0.357	Semi-major axis (arcseconds)
i:	43.0	Inclination (degrees)
Ω:	139.7	Longitude of ascending node (degrees)
T:	1972.000	Epoch of periastron passage (year)
e:	0.88	Eccentricity
ω:	335.0	Longitude of periastron (degrees)
Start-Year:	1964.0	Year
End-Year:	2086.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B234
Position:	125155.76-264723.2	Epoch-2000 right ascension and declination
WDS-ID:	12520-2648	WDS designation
Discoverer Code:	B234	Discover designation and components
ADS number:	8689	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.29	Magnitude of the primary
V2:	10.26	Magnitude of the secondary
Equinox:		Equinox
Date:	1984	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Hei1986a	Reference

Double Star Orbit for B234

WDS 6th Orbit including measures of B234

-- 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 B234

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.632   298.78
--------------------------
1964.00    0.253   329.85
1965.00    0.230   332.08
1966.00    0.205   334.84
1967.00    0.178   338.40
1968.00    0.149   343.30
1969.00    0.117   350.76
1970.00    0.082     4.39
1971.00    0.047    39.06
1972.00    0.041   120.87
1973.00    0.055   178.61
1974.00    0.073   211.50
1975.00    0.095   230.42
1976.00    0.118   242.12
1977.00    0.140   250.03
1978.00    0.162   255.78
1979.00    0.183   260.18
1980.00    0.203   263.69
1981.00    0.222   266.58
1982.00    0.241   269.02
1983.00    0.259   271.11
1984.00    0.276   272.95
1985.00    0.292   274.57
1986.00    0.308   276.02
1987.00    0.323   277.33
1988.00    0.338   278.52
1989.00    0.352   279.62
1990.00    0.366   280.64
1991.00    0.379   281.58
1992.00    0.392   282.46
1993.00    0.404   283.28
1994.00    0.416   284.06
1995.00    0.427   284.79
1996.00    0.439   285.49
1997.00    0.449   286.15
1998.00    0.460   286.79
1999.00    0.470   287.39
2000.00    0.479   287.97
2001.00    0.489   288.53
2002.00    0.498   289.07
2003.00    0.507   289.58
2004.00    0.515   290.08
2005.00    0.523   290.57
2006.00    0.531   291.04
2007.00    0.538   291.50
2008.00    0.546   291.94
2009.00    0.552   292.38
2010.00    0.559   292.80
2011.00    0.566   293.21
2012.00    0.572   293.62
2013.00    0.578   294.01
2014.00    0.583   294.40
2015.00    0.588   294.78
2016.00    0.594   295.15
2017.00    0.598   295.52
2018.00    0.603   295.88
2019.00    0.607   296.24
2020.00    0.611   296.59
2021.00    0.615   296.94
2022.00    0.619   297.28
2023.00    0.622   297.62
2024.00    0.625   297.96
2025.00    0.628   298.29
2026.00    0.631   298.62
2027.00    0.633   298.95
2028.00    0.635   299.27
2029.00    0.637   299.59
2030.00    0.639   299.92
2031.00    0.640   300.23
2032.00    0.642   300.55
2033.00    0.643   300.87
2034.00    0.643   301.18
2035.00    0.644   301.50
2036.00    0.644   301.81
2037.00    0.644   302.13
2038.00    0.644   302.44
2039.00    0.644   302.76
2040.00    0.643   303.08
2041.00    0.642   303.39
2042.00    0.641   303.71
2043.00    0.639   304.03
2044.00    0.638   304.35
2045.00    0.636   304.67
2046.00    0.634   305.00
2047.00    0.631   305.32
2048.00    0.628   305.65
2049.00    0.625   305.98
2050.00    0.622   306.32
2051.00    0.619   306.66
2052.00    0.615   307.00
2053.00    0.611   307.35
2054.00    0.607   307.70
2055.00    0.602   308.06
2056.00    0.597   308.42
2057.00    0.592   308.79
2058.00    0.586   309.17
2059.00    0.580   309.55
2060.00    0.574   309.95
2061.00    0.568   310.35
2062.00    0.561   310.76
2063.00    0.554   311.18
2064.00    0.546   311.61
2065.00    0.539   312.05
2066.00    0.530   312.51
2067.00    0.522   312.98
2068.00    0.513   313.47
2069.00    0.503   313.98
2070.00    0.493   314.50
2071.00    0.483   315.05
2072.00    0.472   315.62
2073.00    0.461   316.22
2074.00    0.449   316.85
2075.00    0.437   317.52
2076.00    0.424   318.22
2077.00    0.411   318.97
2078.00    0.397   319.77
2079.00    0.382   320.64
2080.00    0.366   321.57
2081.00    0.350   322.59
2082.00    0.333   323.71
2083.00    0.315   324.96
2084.00    0.295   326.36
2085.00    0.275   327.97

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 16:50:30