Double Star Calculator - Orbit

Orbital Elements for A481AB

WDS:	A481AB	WDS ID/Discoverer
P:	200.000	Orbital period (years)
a:	0.529	Semi-major axis (arcseconds)
i:	114.8	Inclination (degrees)
Ω:	54.1	Longitude of ascending node (degrees)
T:	2085.000	Epoch of periastron passage (year)
e:	0.903	Eccentricity
ω:	279.8	Longitude of periastron (degrees)
Start-Year:	1925.0	Year
End-Year:	2125.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A481AB
Position:	050418.00-060152.7	Epoch-2000 right ascension and declination
WDS-ID:	05043-0602	WDS designation
Discoverer Code:	A481AB	Discover designation and components
ADS number:	3662	Aitken Double Star catalog
HD number:	32622	HD catalog number
Hipparcos number:	23586	Hipparcos catalog number
V1:	7.07	Magnitude of the primary
V2:	8.96	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	1997	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:	USN2002	Reference

Double Star Orbit for A481AB

WDS 6th Orbit including measures of A481AB

-- 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 A481AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.460   284.06
--------------------------
1925.00    0.323   337.53
1926.00    0.326   336.66
1927.00    0.329   335.81
1928.00    0.332   334.98
1929.00    0.334   334.16
1930.00    0.337   333.36
1931.00    0.340   332.57
1932.00    0.343   331.79
1933.00    0.346   331.02
1934.00    0.349   330.27
1935.00    0.351   329.53
1936.00    0.354   328.80
1937.00    0.357   328.08
1938.00    0.359   327.37
1939.00    0.362   326.68
1940.00    0.365   325.99
1941.00    0.367   325.31
1942.00    0.370   324.64
1943.00    0.372   323.98
1944.00    0.375   323.33
1945.00    0.377   322.69
1946.00    0.380   322.05
1947.00    0.382   321.43
1948.00    0.384   320.81
1949.00    0.387   320.20
1950.00    0.389   319.59
1951.00    0.391   319.00
1952.00    0.393   318.41
1953.00    0.396   317.82
1954.00    0.398   317.25
1955.00    0.400   316.68
1956.00    0.402   316.11
1957.00    0.404   315.55
1958.00    0.406   315.00
1959.00    0.408   314.45
1960.00    0.410   313.91
1961.00    0.412   313.38
1962.00    0.414   312.84
1963.00    0.416   312.32
1964.00    0.418   311.80
1965.00    0.420   311.28
1966.00    0.422   310.77
1967.00    0.423   310.26
1968.00    0.425   309.75
1969.00    0.427   309.25
1970.00    0.429   308.76
1971.00    0.430   308.26
1972.00    0.432   307.78
1973.00    0.434   307.29
1974.00    0.435   306.81
1975.00    0.437   306.33
1976.00    0.438   305.86
1977.00    0.440   305.39
1978.00    0.441   304.92
1979.00    0.442   304.45
1980.00    0.444   303.99
1981.00    0.445   303.53
1982.00    0.446   303.07
1983.00    0.448   302.62
1984.00    0.449   302.17
1985.00    0.450   301.72
1986.00    0.451   301.27
1987.00    0.452   300.83
1988.00    0.453   300.38
1989.00    0.454   299.94
1990.00    0.455   299.50
1991.00    0.456   299.07
1992.00    0.457   298.63
1993.00    0.458   298.20
1994.00    0.459   297.77
1995.00    0.460   297.34
1996.00    0.460   296.91
1997.00    0.461   296.48
1998.00    0.462   296.05
1999.00    0.462   295.63
2000.00    0.463   295.20
2001.00    0.464   294.78
2002.00    0.464   294.36
2003.00    0.464   293.94
2004.00    0.465   293.52
2005.00    0.465   293.10
2006.00    0.466   292.68
2007.00    0.466   292.26
2008.00    0.466   291.84
2009.00    0.466   291.42
2010.00    0.466   291.01
2011.00    0.466   290.59
2012.00    0.466   290.17
2013.00    0.466   289.75
2014.00    0.466   289.34
2015.00    0.466   288.92
2016.00    0.466   288.50
2017.00    0.466   288.08
2018.00    0.465   287.66
2019.00    0.465   287.24
2020.00    0.464   286.82
2021.00    0.464   286.40
2022.00    0.463   285.98
2023.00    0.463   285.56
2024.00    0.462   285.13
2025.00    0.461   284.71
2026.00    0.460   284.28
2027.00    0.460   283.85
2028.00    0.459   283.42
2029.00    0.458   282.99
2030.00    0.456   282.55
2031.00    0.455   282.11
2032.00    0.454   281.68
2033.00    0.453   281.23
2034.00    0.451   280.79
2035.00    0.450   280.34
2036.00    0.448   279.89
2037.00    0.446   279.44
2038.00    0.445   278.98
2039.00    0.443   278.52
2040.00    0.441   278.06
2041.00    0.439   277.59
2042.00    0.437   277.11
2043.00    0.434   276.63
2044.00    0.432   276.15
2045.00    0.430   275.66
2046.00    0.427   275.17
2047.00    0.424   274.66
2048.00    0.421   274.16
2049.00    0.418   273.64
2050.00    0.415   273.12
2051.00    0.412   272.59
2052.00    0.409   272.05
2053.00    0.405   271.50
2054.00    0.401   270.94
2055.00    0.398   270.38
2056.00    0.393   269.80
2057.00    0.389   269.20
2058.00    0.385   268.60
2059.00    0.380   267.98
2060.00    0.375   267.34
2061.00    0.370   266.69
2062.00    0.365   266.02
2063.00    0.359   265.32
2064.00    0.353   264.61
2065.00    0.347   263.87
2066.00    0.341   263.10
2067.00    0.334   262.31
2068.00    0.327   261.47
2069.00    0.319   260.60
2070.00    0.311   259.69
2071.00    0.302   258.72
2072.00    0.293   257.70
2073.00    0.283   256.61
2074.00    0.273   255.44
2075.00    0.262   254.17
2076.00    0.249   252.77
2077.00    0.236   251.23
2078.00    0.221   249.49
2079.00    0.204   247.48
2080.00    0.185   245.09
2081.00    0.164   242.11
2082.00    0.138   238.10
2083.00    0.105   231.87
2084.00    0.061   218.01
2085.00    0.023   121.72
2086.00    0.069    60.47
2087.00    0.102    48.00
2088.00    0.125    40.98
2089.00    0.142    35.87
2090.00    0.155    31.74
2091.00    0.166    28.22
2092.00    0.176    25.11
2093.00    0.184    22.31
2094.00    0.192    19.75
2095.00    0.199    17.38
2096.00    0.206    15.17
2097.00    0.212    13.09
2098.00    0.218    11.12
2099.00    0.223     9.25
2100.00    0.228     7.47
2101.00    0.233     5.77
2102.00    0.238     4.13
2103.00    0.243     2.56
2104.00    0.247     1.05
2105.00    0.252   359.59
2106.00    0.256   358.18
2107.00    0.260   356.82
2108.00    0.264   355.50
2109.00    0.268   354.21
2110.00    0.272   352.97
2111.00    0.276   351.75
2112.00    0.279   350.57
2113.00    0.283   349.42
2114.00    0.286   348.30
2115.00    0.290   347.21
2116.00    0.293   346.14
2117.00    0.297   345.10
2118.00    0.300   344.08
2119.00    0.304   343.09
2120.00    0.307   342.11
2121.00    0.310   341.16
2122.00    0.313   340.22
2123.00    0.316   339.31
2124.00    0.319   338.41

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 15:33:20