Double Star Calculator - Orbit

Orbital Elements for COU1394
WDS: COU1394 WDS ID/Discoverer
P: 329.600 Orbital period (years)
a: 0.419 Semi-major axis (arcseconds)
i: 70.0 Inclination (degrees)
Ω: 134.5 Longitude of ascending node (degrees)
T: 2016.890 Epoch of periastron passage (year)
e: 0.176 Eccentricity
ω: 354.1 Longitude of periastron (degrees)
Start-Year: 1860.2 Year
End-Year: 2189.8 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU1394
Position: 040702.31+393424.9 Epoch-2000 right ascension and declination
WDS-ID: 04070+3934 WDS designation
Discoverer Code: COU1394 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 276063 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.3 Magnitude of the primary
V2: 9.3 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 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: Lin2023 Reference

Double Star Orbit for COU1394



WDS 6th Orbit including measures of COU1394

-- 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 COU1394
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.343   137.69
--------------------------
1860.20    0.492   314.64
1861.20    0.492   314.91
1862.20    0.491   315.17
1863.20    0.491   315.44
1864.20    0.491   315.71
1865.20    0.490   315.98
1866.20    0.489   316.25
1867.20    0.488   316.52
1868.20    0.487   316.79
1869.20    0.486   317.06
1870.20    0.485   317.34
1871.20    0.484   317.61
1872.20    0.483   317.89
1873.20    0.481   318.17
1874.20    0.480   318.45
1875.20    0.478   318.73
1876.20    0.476   319.01
1877.20    0.474   319.30
1878.20    0.472   319.58
1879.20    0.470   319.88
1880.20    0.468   320.17
1881.20    0.466   320.46
1882.20    0.464   320.76
1883.20    0.461   321.06
1884.20    0.459   321.37
1885.20    0.456   321.68
1886.20    0.453   321.99
1887.20    0.451   322.31
1888.20    0.448   322.63
1889.20    0.445   322.95
1890.20    0.442   323.28
1891.20    0.438   323.61
1892.20    0.435   323.95
1893.20    0.432   324.30
1894.20    0.428   324.64
1895.20    0.425   325.00
1896.20    0.421   325.36
1897.20    0.417   325.73
1898.20    0.414   326.10
1899.20    0.410   326.48
1900.20    0.406   326.87
1901.20    0.402   327.27
1902.20    0.398   327.67
1903.20    0.393   328.08
1904.20    0.389   328.51
1905.20    0.385   328.94
1906.20    0.380   329.38
1907.20    0.376   329.83
1908.20    0.371   330.29
1909.20    0.366   330.77
1910.20    0.361   331.26
1911.20    0.357   331.76
1912.20    0.352   332.27
1913.20    0.347   332.80
1914.20    0.342   333.35
1915.20    0.337   333.91
1916.20    0.331   334.49
1917.20    0.326   335.09
1918.20    0.321   335.70
1919.20    0.315   336.34
1920.20    0.310   337.00
1921.20    0.305   337.68
1922.20    0.299   338.39
1923.20    0.294   339.13
1924.20    0.288   339.89
1925.20    0.282   340.69
1926.20    0.277   341.51
1927.20    0.271   342.37
1928.20    0.265   343.27
1929.20    0.260   344.21
1930.20    0.254   345.19
1931.20    0.248   346.21
1932.20    0.243   347.28
1933.20    0.237   348.41
1934.20    0.231   349.58
1935.20    0.226   350.82
1936.20    0.220   352.13
1937.20    0.214   353.50
1938.20    0.209   354.94
1939.20    0.203   356.46
1940.20    0.198   358.06
1941.20    0.193   359.75
1942.20    0.188     1.54
1943.20    0.182     3.43
1944.20    0.178     5.42
1945.20    0.173     7.52
1946.20    0.168     9.74
1947.20    0.164    12.08
1948.20    0.160    14.55
1949.20    0.156    17.14
1950.20    0.152    19.86
1951.20    0.149    22.70
1952.20    0.146    25.67
1953.20    0.143    28.75
1954.20    0.141    31.94
1955.20    0.139    35.22
1956.20    0.138    38.59
1957.20    0.137    42.01
1958.20    0.136    45.47
1959.20    0.136    48.95
1960.20    0.136    52.43
1961.20    0.137    55.88
1962.20    0.138    59.28
1963.20    0.140    62.62
1964.20    0.142    65.87
1965.20    0.144    69.02
1966.20    0.147    72.06
1967.20    0.150    74.99
1968.20    0.153    77.79
1969.20    0.157    80.47
1970.20    0.161    83.02
1971.20    0.165    85.45
1972.20    0.169    87.76
1973.20    0.174    89.94
1974.20    0.179    92.02
1975.20    0.183    93.99
1976.20    0.188    95.86
1977.20    0.193    97.63
1978.20    0.198    99.32
1979.20    0.204   100.91
1980.20    0.209   102.43
1981.20    0.214   103.88
1982.20    0.219   105.25
1983.20    0.224   106.57
1984.20    0.230   107.82
1985.20    0.235   109.02
1986.20    0.240   110.16
1987.20    0.245   111.26
1988.20    0.250   112.31
1989.20    0.255   113.33
1990.20    0.260   114.30
1991.20    0.265   115.23
1992.20    0.270   116.14
1993.20    0.274   117.01
1994.20    0.279   117.85
1995.20    0.283   118.67
1996.20    0.288   119.46
1997.20    0.292   120.23
1998.20    0.296   120.98
1999.20    0.300   121.70
2000.20    0.304   122.41
2001.20    0.308   123.10
2002.20    0.311   123.78
2003.20    0.315   124.44
2004.20    0.318   125.08
2005.20    0.321   125.71
2006.20    0.324   126.34
2007.20    0.326   126.95
2008.20    0.329   127.55
2009.20    0.331   128.14
2010.20    0.334   128.72
2011.20    0.336   129.30
2012.20    0.337   129.87
2013.20    0.339   130.43
2014.20    0.341   130.99
2015.20    0.342   131.55
2016.20    0.343   132.10
2017.20    0.344   132.65
2018.20    0.345   133.19
2019.20    0.345   133.73
2020.20    0.345   134.27
2021.20    0.346   134.81
2022.20    0.346   135.36
2023.20    0.345   135.90
2024.20    0.345   136.44
2025.20    0.344   136.98
2026.20    0.343   137.53
2027.20    0.342   138.08
2028.20    0.341   138.63
2029.20    0.340   139.19
2030.20    0.338   139.75
2031.20    0.336   140.32
2032.20    0.335   140.89
2033.20    0.332   141.47
2034.20    0.330   142.06
2035.20    0.328   142.66
2036.20    0.325   143.26
2037.20    0.322   143.88
2038.20    0.319   144.51
2039.20    0.316   145.14
2040.20    0.313   145.80
2041.20    0.310   146.46
2042.20    0.306   147.14
2043.20    0.303   147.84
2044.20    0.299   148.55
2045.20    0.295   149.29
2046.20    0.291   150.04
2047.20    0.287   150.82
2048.20    0.282   151.61
2049.20    0.278   152.43
2050.20    0.274   153.28
2051.20    0.269   154.16
2052.20    0.264   155.07
2053.20    0.260   156.01
2054.20    0.255   156.98
2055.20    0.250   157.99
2056.20    0.245   159.04
2057.20    0.240   160.14
2058.20    0.236   161.28
2059.20    0.231   162.47
2060.20    0.226   163.71
2061.20    0.221   165.00
2062.20    0.216   166.36
2063.20    0.211   167.78
2064.20    0.206   169.27
2065.20    0.201   170.83
2066.20    0.196   172.47
2067.20    0.191   174.18
2068.20    0.187   175.99
2069.20    0.182   177.88
2070.20    0.178   179.87
2071.20    0.174   181.96
2072.20    0.170   184.15
2073.20    0.166   186.45
2074.20    0.162   188.85
2075.20    0.159   191.37
2076.20    0.155   193.99
2077.20    0.152   196.71
2078.20    0.150   199.54
2079.20    0.147   202.46
2080.20    0.146   205.47
2081.20    0.144   208.56
2082.20    0.143   211.70
2083.20    0.142   214.90
2084.20    0.141   218.13
2085.20    0.141   221.37
2086.20    0.141   224.60
2087.20    0.142   227.81
2088.20    0.143   230.99
2089.20    0.145   234.10
2090.20    0.147   237.15
2091.20    0.149   240.12
2092.20    0.151   242.99
2093.20    0.154   245.76
2094.20    0.157   248.43
2095.20    0.161   250.99
2096.20    0.164   253.44
2097.20    0.168   255.78
2098.20    0.172   258.01
2099.20    0.176   260.14
2100.20    0.181   262.16
2101.20    0.185   264.09
2102.20    0.190   265.92
2103.20    0.195   267.66
2104.20    0.200   269.31
2105.20    0.205   270.89
2106.20    0.210   272.38
2107.20    0.215   273.81
2108.20    0.221   275.17
2109.20    0.226   276.46
2110.20    0.231   277.69
2111.20    0.237   278.87
2112.20    0.242   280.00
2113.20    0.248   281.07
2114.20    0.253   282.10
2115.20    0.259   283.09
2116.20    0.264   284.03
2117.20    0.270   284.94
2118.20    0.275   285.81
2119.20    0.280   286.65
2120.20    0.286   287.45
2121.20    0.291   288.23
2122.20    0.297   288.97
2123.20    0.302   289.69
2124.20    0.307   290.39
2125.20    0.312   291.06
2126.20    0.318   291.71
2127.20    0.323   292.34
2128.20    0.328   292.95
2129.20    0.333   293.55
2130.20    0.338   294.12
2131.20    0.343   294.68
2132.20    0.348   295.22
2133.20    0.353   295.74
2134.20    0.357   296.26
2135.20    0.362   296.76
2136.20    0.367   297.24
2137.20    0.371   297.72
2138.20    0.376   298.18
2139.20    0.380   298.63
2140.20    0.385   299.07
2141.20    0.389   299.50
2142.20    0.393   299.93
2143.20    0.397   300.34
2144.20    0.401   300.74
2145.20    0.405   301.14
2146.20    0.409   301.53
2147.20    0.413   301.91
2148.20    0.417   302.29
2149.20    0.420   302.66
2150.20    0.424   303.02
2151.20    0.427   303.38
2152.20    0.431   303.73
2153.20    0.434   304.07
2154.20    0.437   304.41
2155.20    0.441   304.75
2156.20    0.444   305.08
2157.20    0.447   305.40
2158.20    0.450   305.72
2159.20    0.452   306.04
2160.20    0.455   306.35
2161.20    0.458   306.66
2162.20    0.460   306.97
2163.20    0.463   307.27
2164.20    0.465   307.57
2165.20    0.467   307.87
2166.20    0.469   308.17
2167.20    0.471   308.46
2168.20    0.473   308.75
2169.20    0.475   309.03
2170.20    0.477   309.32
2171.20    0.479   309.60
2172.20    0.480   309.88
2173.20    0.482   310.16
2174.20    0.483   310.44
2175.20    0.484   310.71
2176.20    0.486   310.99
2177.20    0.487   311.26
2178.20    0.488   311.53
2179.20    0.489   311.81
2180.20    0.489   312.08
2181.20    0.490   312.34
2182.20    0.491   312.61
2183.20    0.491   312.88
2184.20    0.492   313.15
2185.20    0.492   313.41
2186.20    0.492   313.68
2187.20    0.492   313.95
2188.20    0.492   314.21
2189.20    0.492   314.48






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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 15:17:51



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