Double Star Calculator - Orbit

Orbital Elements for COU613
WDS: COU613 WDS ID/Discoverer
P: 452.000 Orbital period (years)
a: 0.49 Semi-major axis (arcseconds)
i: 73.1 Inclination (degrees)
Ω: 152.5 Longitude of ascending node (degrees)
T: 1960.000 Epoch of periastron passage (year)
e: 0.503 Eccentricity
ω: 147.9 Longitude of periastron (degrees)
Start-Year: 1799.0 Year
End-Year: 2251.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU613
Position: 154033.18+312819.8 Epoch-2000 right ascension and declination
WDS-ID: 15406+3128 WDS designation
Discoverer Code: COU613 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 140065 HD catalog number
Hipparcos number: 76777 Hipparcos catalog number
V1: 9.11 Magnitude of the primary
V2: 10.18 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: Flags
Ephemerides: Ephemerides
Code: BAE2021 Reference

Double Star Orbit for COU613



WDS 6th Orbit including measures of COU613

-- 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 COU613
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.150    32.39
--------------------------
1799.00    0.679   149.13
1800.00    0.678   149.24
1801.00    0.678   149.34
1802.00    0.677   149.45
1803.00    0.676   149.55
1804.00    0.675   149.66
1805.00    0.674   149.76
1806.00    0.673   149.87
1807.00    0.673   149.97
1808.00    0.672   150.08
1809.00    0.670   150.19
1810.00    0.669   150.29
1811.00    0.668   150.40
1812.00    0.667   150.51
1813.00    0.666   150.62
1814.00    0.665   150.73
1815.00    0.663   150.83
1816.00    0.662   150.94
1817.00    0.660   151.05
1818.00    0.659   151.16
1819.00    0.657   151.28
1820.00    0.656   151.39
1821.00    0.654   151.50
1822.00    0.652   151.61
1823.00    0.651   151.72
1824.00    0.649   151.84
1825.00    0.647   151.95
1826.00    0.645   152.07
1827.00    0.643   152.18
1828.00    0.641   152.30
1829.00    0.639   152.42
1830.00    0.637   152.54
1831.00    0.635   152.65
1832.00    0.633   152.77
1833.00    0.631   152.89
1834.00    0.628   153.02
1835.00    0.626   153.14
1836.00    0.623   153.26
1837.00    0.621   153.38
1838.00    0.618   153.51
1839.00    0.616   153.64
1840.00    0.613   153.76
1841.00    0.611   153.89
1842.00    0.608   154.02
1843.00    0.605   154.15
1844.00    0.602   154.28
1845.00    0.599   154.42
1846.00    0.596   154.55
1847.00    0.593   154.69
1848.00    0.590   154.82
1849.00    0.587   154.96
1850.00    0.584   155.10
1851.00    0.580   155.25
1852.00    0.577   155.39
1853.00    0.573   155.53
1854.00    0.570   155.68
1855.00    0.566   155.83
1856.00    0.563   155.98
1857.00    0.559   156.13
1858.00    0.555   156.29
1859.00    0.552   156.45
1860.00    0.548   156.60
1861.00    0.544   156.77
1862.00    0.540   156.93
1863.00    0.536   157.10
1864.00    0.532   157.26
1865.00    0.528   157.43
1866.00    0.523   157.61
1867.00    0.519   157.79
1868.00    0.515   157.97
1869.00    0.510   158.15
1870.00    0.505   158.34
1871.00    0.501   158.53
1872.00    0.496   158.72
1873.00    0.491   158.92
1874.00    0.487   159.12
1875.00    0.482   159.32
1876.00    0.477   159.53
1877.00    0.472   159.74
1878.00    0.467   159.96
1879.00    0.461   160.19
1880.00    0.456   160.41
1881.00    0.451   160.65
1882.00    0.445   160.89
1883.00    0.440   161.13
1884.00    0.434   161.38
1885.00    0.429   161.64
1886.00    0.423   161.91
1887.00    0.417   162.18
1888.00    0.411   162.46
1889.00    0.405   162.75
1890.00    0.399   163.04
1891.00    0.393   163.35
1892.00    0.387   163.67
1893.00    0.381   163.99
1894.00    0.374   164.33
1895.00    0.368   164.68
1896.00    0.361   165.04
1897.00    0.355   165.41
1898.00    0.348   165.80
1899.00    0.341   166.21
1900.00    0.335   166.63
1901.00    0.328   167.07
1902.00    0.321   167.52
1903.00    0.314   168.00
1904.00    0.307   168.50
1905.00    0.299   169.02
1906.00    0.292   169.57
1907.00    0.285   170.15
1908.00    0.277   170.76
1909.00    0.270   171.40
1910.00    0.262   172.08
1911.00    0.255   172.80
1912.00    0.247   173.56
1913.00    0.239   174.38
1914.00    0.232   175.24
1915.00    0.224   176.17
1916.00    0.216   177.17
1917.00    0.208   178.24
1918.00    0.200   179.39
1919.00    0.192   180.64
1920.00    0.184   182.00
1921.00    0.176   183.47
1922.00    0.169   185.09
1923.00    0.161   186.86
1924.00    0.153   188.82
1925.00    0.145   190.98
1926.00    0.138   193.38
1927.00    0.131   196.04
1928.00    0.124   199.02
1929.00    0.117   202.36
1930.00    0.110   206.09
1931.00    0.104   210.27
1932.00    0.099   214.93
1933.00    0.094   220.11
1934.00    0.090   225.79
1935.00    0.087   231.94
1936.00    0.085   238.48
1937.00    0.084   245.27
1938.00    0.084   252.15
1939.00    0.085   258.93
1940.00    0.087   265.45
1941.00    0.090   271.57
1942.00    0.094   277.23
1943.00    0.099   282.38
1944.00    0.104   287.03
1945.00    0.110   291.20
1946.00    0.117   294.94
1947.00    0.123   298.29
1948.00    0.130   301.29
1949.00    0.137   304.00
1950.00    0.144   306.44
1951.00    0.151   308.65
1952.00    0.158   310.67
1953.00    0.165   312.52
1954.00    0.172   314.21
1955.00    0.179   315.78
1956.00    0.185   317.23
1957.00    0.192   318.58
1958.00    0.198   319.85
1959.00    0.204   321.04
1960.00    0.210   322.17
1961.00    0.215   323.23
1962.00    0.221   324.24
1963.00    0.226   325.21
1964.00    0.230   326.13
1965.00    0.235   327.02
1966.00    0.239   327.88
1967.00    0.243   328.71
1968.00    0.246   329.52
1969.00    0.249   330.30
1970.00    0.252   331.06
1971.00    0.255   331.81
1972.00    0.257   332.55
1973.00    0.259   333.27
1974.00    0.260   333.98
1975.00    0.262   334.69
1976.00    0.263   335.39
1977.00    0.264   336.08
1978.00    0.264   336.77
1979.00    0.264   337.46
1980.00    0.264   338.15
1981.00    0.264   338.83
1982.00    0.264   339.52
1983.00    0.263   340.22
1984.00    0.262   340.91
1985.00    0.261   341.62
1986.00    0.260   342.33
1987.00    0.258   343.04
1988.00    0.256   343.77
1989.00    0.255   344.51
1990.00    0.253   345.25
1991.00    0.251   346.01
1992.00    0.248   346.78
1993.00    0.246   347.57
1994.00    0.243   348.37
1995.00    0.241   349.19
1996.00    0.238   350.03
1997.00    0.235   350.89
1998.00    0.232   351.77
1999.00    0.229   352.67
2000.00    0.226   353.59
2001.00    0.223   354.54
2002.00    0.220   355.52
2003.00    0.217   356.53
2004.00    0.214   357.56
2005.00    0.211   358.63
2006.00    0.207   359.73
2007.00    0.204     0.87
2008.00    0.201     2.04
2009.00    0.197     3.25
2010.00    0.194     4.51
2011.00    0.191     5.80
2012.00    0.188     7.14
2013.00    0.185     8.53
2014.00    0.181     9.96
2015.00    0.178    11.45
2016.00    0.175    12.98
2017.00    0.173    14.57
2018.00    0.170    16.21
2019.00    0.167    17.91
2020.00    0.164    19.66
2021.00    0.162    21.47
2022.00    0.159    23.33
2023.00    0.157    25.25
2024.00    0.155    27.23
2025.00    0.153    29.25
2026.00    0.151    31.33
2027.00    0.149    33.46
2028.00    0.148    35.64
2029.00    0.147    37.85
2030.00    0.146    40.10
2031.00    0.145    42.39
2032.00    0.144    44.70
2033.00    0.143    47.03
2034.00    0.143    49.37
2035.00    0.143    51.72
2036.00    0.143    54.07
2037.00    0.143    56.42
2038.00    0.144    58.75
2039.00    0.145    61.06
2040.00    0.146    63.34
2041.00    0.147    65.59
2042.00    0.148    67.80
2043.00    0.150    69.97
2044.00    0.151    72.09
2045.00    0.153    74.16
2046.00    0.155    76.18
2047.00    0.158    78.14
2048.00    0.160    80.05
2049.00    0.162    81.90
2050.00    0.165    83.69
2051.00    0.168    85.42
2052.00    0.171    87.10
2053.00    0.174    88.71
2054.00    0.177    90.27
2055.00    0.180    91.78
2056.00    0.184    93.23
2057.00    0.187    94.63
2058.00    0.191    95.97
2059.00    0.194    97.27
2060.00    0.198    98.52
2061.00    0.202    99.73
2062.00    0.205   100.89
2063.00    0.209   102.00
2064.00    0.213   103.08
2065.00    0.217   104.12
2066.00    0.221   105.12
2067.00    0.225   106.08
2068.00    0.229   107.01
2069.00    0.233   107.91
2070.00    0.237   108.78
2071.00    0.242   109.62
2072.00    0.246   110.43
2073.00    0.250   111.21
2074.00    0.254   111.96
2075.00    0.258   112.70
2076.00    0.263   113.40
2077.00    0.267   114.09
2078.00    0.271   114.75
2079.00    0.275   115.40
2080.00    0.280   116.02
2081.00    0.284   116.62
2082.00    0.288   117.21
2083.00    0.293   117.78
2084.00    0.297   118.33
2085.00    0.301   118.87
2086.00    0.306   119.39
2087.00    0.310   119.90
2088.00    0.314   120.39
2089.00    0.318   120.87
2090.00    0.323   121.34
2091.00    0.327   121.80
2092.00    0.331   122.24
2093.00    0.335   122.67
2094.00    0.340   123.10
2095.00    0.344   123.51
2096.00    0.348   123.91
2097.00    0.352   124.30
2098.00    0.356   124.68
2099.00    0.361   125.06
2100.00    0.365   125.42
2101.00    0.369   125.78
2102.00    0.373   126.13
2103.00    0.377   126.47
2104.00    0.381   126.80
2105.00    0.385   127.13
2106.00    0.389   127.45
2107.00    0.393   127.76
2108.00    0.397   128.07
2109.00    0.402   128.37
2110.00    0.405   128.67
2111.00    0.409   128.96
2112.00    0.413   129.24
2113.00    0.417   129.52
2114.00    0.421   129.79
2115.00    0.425   130.06
2116.00    0.429   130.32
2117.00    0.433   130.58
2118.00    0.437   130.84
2119.00    0.440   131.09
2120.00    0.444   131.33
2121.00    0.448   131.57
2122.00    0.452   131.81
2123.00    0.455   132.04
2124.00    0.459   132.27
2125.00    0.463   132.50
2126.00    0.466   132.72
2127.00    0.470   132.94
2128.00    0.474   133.16
2129.00    0.477   133.37
2130.00    0.481   133.58
2131.00    0.484   133.79
2132.00    0.488   133.99
2133.00    0.491   134.19
2134.00    0.495   134.39
2135.00    0.498   134.58
2136.00    0.501   134.77
2137.00    0.505   134.96
2138.00    0.508   135.15
2139.00    0.512   135.34
2140.00    0.515   135.52
2141.00    0.518   135.70
2142.00    0.521   135.88
2143.00    0.524   136.05
2144.00    0.528   136.23
2145.00    0.531   136.40
2146.00    0.534   136.57
2147.00    0.537   136.74
2148.00    0.540   136.90
2149.00    0.543   137.06
2150.00    0.546   137.23
2151.00    0.549   137.39
2152.00    0.552   137.55
2153.00    0.555   137.70
2154.00    0.558   137.86
2155.00    0.561   138.01
2156.00    0.564   138.16
2157.00    0.566   138.31
2158.00    0.569   138.46
2159.00    0.572   138.61
2160.00    0.575   138.76
2161.00    0.577   138.90
2162.00    0.580   139.05
2163.00    0.582   139.19
2164.00    0.585   139.33
2165.00    0.588   139.47
2166.00    0.590   139.61
2167.00    0.593   139.74
2168.00    0.595   139.88
2169.00    0.598   140.02
2170.00    0.600   140.15
2171.00    0.602   140.28
2172.00    0.605   140.41
2173.00    0.607   140.55
2174.00    0.609   140.68
2175.00    0.612   140.80
2176.00    0.614   140.93
2177.00    0.616   141.06
2178.00    0.618   141.19
2179.00    0.620   141.31
2180.00    0.622   141.44
2181.00    0.624   141.56
2182.00    0.626   141.68
2183.00    0.628   141.80
2184.00    0.630   141.92
2185.00    0.632   142.05
2186.00    0.634   142.17
2187.00    0.636   142.28
2188.00    0.638   142.40
2189.00    0.640   142.52
2190.00    0.641   142.64
2191.00    0.643   142.75
2192.00    0.645   142.87
2193.00    0.646   142.99
2194.00    0.648   143.10
2195.00    0.650   143.21
2196.00    0.651   143.33
2197.00    0.653   143.44
2198.00    0.654   143.55
2199.00    0.656   143.67
2200.00    0.657   143.78
2201.00    0.658   143.89
2202.00    0.660   144.00
2203.00    0.661   144.11
2204.00    0.662   144.22
2205.00    0.664   144.33
2206.00    0.665   144.44
2207.00    0.666   144.54
2208.00    0.667   144.65
2209.00    0.668   144.76
2210.00    0.669   144.87
2211.00    0.670   144.98
2212.00    0.671   145.08
2213.00    0.672   145.19
2214.00    0.673   145.29
2215.00    0.674   145.40
2216.00    0.675   145.51
2217.00    0.676   145.61
2218.00    0.676   145.72
2219.00    0.677   145.82
2220.00    0.678   145.93
2221.00    0.678   146.03
2222.00    0.679   146.14
2223.00    0.680   146.24
2224.00    0.680   146.34
2225.00    0.681   146.45
2226.00    0.681   146.55
2227.00    0.681   146.65
2228.00    0.682   146.76
2229.00    0.682   146.86
2230.00    0.682   146.96
2231.00    0.683   147.07
2232.00    0.683   147.17
2233.00    0.683   147.27
2234.00    0.683   147.38
2235.00    0.683   147.48
2236.00    0.683   147.58
2237.00    0.683   147.69
2238.00    0.683   147.79
2239.00    0.683   147.89
2240.00    0.683   147.99
2241.00    0.683   148.10
2242.00    0.683   148.20
2243.00    0.682   148.30
2244.00    0.682   148.41
2245.00    0.682   148.51
2246.00    0.681   148.61
2247.00    0.681   148.72
2248.00    0.681   148.82
2249.00    0.680   148.92
2250.00    0.679   149.03






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 17:18:23



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