Double Star Calculator - Orbit

Orbital Elements for A700
WDS: A700 WDS ID/Discoverer
P: 234.000 Orbital period (years)
a: 0.55 Semi-major axis (arcseconds)
i: 81.0 Inclination (degrees)
Ω: 127.3 Longitude of ascending node (degrees)
T: 2006.000 Epoch of periastron passage (year)
e: 0.41 Eccentricity
ω: 41.0 Longitude of periastron (degrees)
Start-Year: 1908.0 Year
End-Year: 2142.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A700
Position: 182224.41+454437.8 Epoch-2000 right ascension and declination
WDS-ID: 18224+4545 WDS designation
Discoverer Code: A700 Discover designation and components
ADS number: 11305 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.36 Magnitude of the primary
V2: 10.45 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hei1998 Reference

Double Star Orbit for A700



WDS 6th Orbit including measures of A700

-- 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 A700
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.161   285.92
--------------------------
1908.00    0.451   319.71
1909.00    0.443   320.04
1910.00    0.434   320.38
1911.00    0.425   320.74
1912.00    0.417   321.12
1913.00    0.408   321.51
1914.00    0.399   321.92
1915.00    0.389   322.35
1916.00    0.380   322.79
1917.00    0.371   323.26
1918.00    0.362   323.76
1919.00    0.352   324.28
1920.00    0.343   324.83
1921.00    0.333   325.41
1922.00    0.323   326.03
1923.00    0.313   326.69
1924.00    0.304   327.38
1925.00    0.294   328.13
1926.00    0.284   328.92
1927.00    0.274   329.78
1928.00    0.264   330.69
1929.00    0.254   331.68
1930.00    0.244   332.75
1931.00    0.234   333.91
1932.00    0.224   335.18
1933.00    0.214   336.56
1934.00    0.205   338.07
1935.00    0.195   339.74
1936.00    0.185   341.57
1937.00    0.176   343.61
1938.00    0.166   345.88
1939.00    0.157   348.42
1940.00    0.149   351.26
1941.00    0.140   354.45
1942.00    0.132   358.03
1943.00    0.125     2.07
1944.00    0.118     6.59
1945.00    0.112    11.64
1946.00    0.107    17.23
1947.00    0.102    23.32
1948.00    0.100    29.84
1949.00    0.098    36.66
1950.00    0.098    43.60
1951.00    0.099    50.48
1952.00    0.101    57.11
1953.00    0.105    63.35
1954.00    0.110    69.10
1955.00    0.116    74.32
1956.00    0.122    79.02
1957.00    0.130    83.21
1958.00    0.137    86.94
1959.00    0.146    90.27
1960.00    0.154    93.23
1961.00    0.163    95.87
1962.00    0.172    98.24
1963.00    0.181   100.38
1964.00    0.190   102.30
1965.00    0.200   104.05
1966.00    0.209   105.64
1967.00    0.218   107.09
1968.00    0.228   108.43
1969.00    0.237   109.66
1970.00    0.246   110.80
1971.00    0.255   111.86
1972.00    0.263   112.85
1973.00    0.272   113.78
1974.00    0.280   114.65
1975.00    0.288   115.47
1976.00    0.296   116.25
1977.00    0.304   116.98
1978.00    0.311   117.69
1979.00    0.318   118.36
1980.00    0.324   119.00
1981.00    0.330   119.62
1982.00    0.336   120.22
1983.00    0.341   120.80
1984.00    0.346   121.36
1985.00    0.350   121.91
1986.00    0.353   122.45
1987.00    0.356   122.98
1988.00    0.358   123.50
1989.00    0.359   124.02
1990.00    0.360   124.53
1991.00    0.360   125.04
1992.00    0.359   125.56
1993.00    0.357   126.08
1994.00    0.354   126.60
1995.00    0.351   127.14
1996.00    0.346   127.68
1997.00    0.341   128.25
1998.00    0.334   128.83
1999.00    0.327   129.44
2000.00    0.318   130.08
2001.00    0.309   130.75
2002.00    0.298   131.47
2003.00    0.287   132.25
2004.00    0.274   133.09
2005.00    0.261   134.02
2006.00    0.247   135.04
2007.00    0.232   136.20
2008.00    0.217   137.52
2009.00    0.201   139.04
2010.00    0.184   140.85
2011.00    0.167   143.01
2012.00    0.149   145.68
2013.00    0.132   149.05
2014.00    0.115   153.44
2015.00    0.098   159.36
2016.00    0.082   167.62
2017.00    0.069   179.37
2018.00    0.060   195.69
2019.00    0.056   215.84
2020.00    0.060   235.81
2021.00    0.070   251.78
2022.00    0.084   263.22
2023.00    0.099   271.25
2024.00    0.116   277.02
2025.00    0.134   281.29
2026.00    0.152   284.56
2027.00    0.170   287.14
2028.00    0.188   289.23
2029.00    0.205   290.95
2030.00    0.223   292.40
2031.00    0.241   293.63
2032.00    0.258   294.70
2033.00    0.275   295.64
2034.00    0.291   296.47
2035.00    0.308   297.21
2036.00    0.324   297.88
2037.00    0.339   298.48
2038.00    0.354   299.04
2039.00    0.369   299.54
2040.00    0.384   300.01
2041.00    0.398   300.45
2042.00    0.412   300.85
2043.00    0.425   301.23
2044.00    0.438   301.59
2045.00    0.451   301.92
2046.00    0.463   302.24
2047.00    0.475   302.54
2048.00    0.487   302.83
2049.00    0.498   303.11
2050.00    0.509   303.37
2051.00    0.520   303.62
2052.00    0.530   303.86
2053.00    0.540   304.09
2054.00    0.549   304.32
2055.00    0.558   304.53
2056.00    0.567   304.74
2057.00    0.576   304.95
2058.00    0.584   305.14
2059.00    0.592   305.33
2060.00    0.600   305.52
2061.00    0.607   305.70
2062.00    0.614   305.88
2063.00    0.621   306.06
2064.00    0.627   306.23
2065.00    0.633   306.39
2066.00    0.639   306.56
2067.00    0.644   306.72
2068.00    0.650   306.88
2069.00    0.655   307.03
2070.00    0.659   307.19
2071.00    0.664   307.34
2072.00    0.668   307.49
2073.00    0.672   307.64
2074.00    0.675   307.78
2075.00    0.679   307.93
2076.00    0.682   308.07
2077.00    0.685   308.21
2078.00    0.687   308.36
2079.00    0.690   308.50
2080.00    0.692   308.64
2081.00    0.694   308.77
2082.00    0.695   308.91
2083.00    0.697   309.05
2084.00    0.698   309.18
2085.00    0.699   309.32
2086.00    0.700   309.46
2087.00    0.700   309.59
2088.00    0.701   309.73
2089.00    0.701   309.86
2090.00    0.700   310.00
2091.00    0.700   310.13
2092.00    0.700   310.27
2093.00    0.699   310.40
2094.00    0.698   310.54
2095.00    0.697   310.68
2096.00    0.695   310.81
2097.00    0.694   310.95
2098.00    0.692   311.09
2099.00    0.690   311.23
2100.00    0.688   311.37
2101.00    0.686   311.51
2102.00    0.683   311.65
2103.00    0.680   311.80
2104.00    0.677   311.94
2105.00    0.674   312.08
2106.00    0.671   312.23
2107.00    0.668   312.38
2108.00    0.664   312.53
2109.00    0.660   312.68
2110.00    0.656   312.83
2111.00    0.652   312.99
2112.00    0.648   313.15
2113.00    0.644   313.30
2114.00    0.639   313.47
2115.00    0.634   313.63
2116.00    0.629   313.80
2117.00    0.624   313.97
2118.00    0.619   314.14
2119.00    0.614   314.31
2120.00    0.608   314.49
2121.00    0.602   314.67
2122.00    0.597   314.86
2123.00    0.591   315.04
2124.00    0.585   315.24
2125.00    0.578   315.43
2126.00    0.572   315.63
2127.00    0.565   315.84
2128.00    0.559   316.05
2129.00    0.552   316.26
2130.00    0.545   316.49
2131.00    0.538   316.71
2132.00    0.530   316.94
2133.00    0.523   317.18
2134.00    0.516   317.43
2135.00    0.508   317.68
2136.00    0.500   317.95
2137.00    0.492   318.21
2138.00    0.484   318.49
2139.00    0.476   318.78
2140.00    0.468   319.08
2141.00    0.460   319.39






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 17:51:00



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