Double Star Calculator - Orbit

Orbital Elements for COU80
WDS: COU80 WDS ID/Discoverer
P: 587.500 Orbital period (years)
a: 0.984 Semi-major axis (arcseconds)
i: 107.8 Inclination (degrees)
Ω: 87.7 Longitude of ascending node (degrees)
T: 2029.300 Epoch of periastron passage (year)
e: 0.477 Eccentricity
ω: 36.9 Longitude of periastron (degrees)
Start-Year: 1731.25 Year
End-Year: 2318.75 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU80
Position: 034807.11+240831.6 Epoch-2000 right ascension and declination
WDS-ID: 03481+2409 WDS designation
Discoverer Code: COU80 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.6 Magnitude of the primary
V2: 10.5 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: BAE2021 Reference

Double Star Orbit for COU80



WDS 6th Orbit including measures of COU80

-- 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 COU80
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.448    77.13
--------------------------
1731.25    1.206   255.25
1732.25    1.203   255.14
1733.25    1.200   255.03
1734.25    1.197   254.92
1735.25    1.193   254.81
1736.25    1.190   254.69
1737.25    1.187   254.58
1738.25    1.183   254.47
1739.25    1.180   254.35
1740.25    1.176   254.24
1741.25    1.173   254.12
1742.25    1.169   254.01
1743.25    1.166   253.89
1744.25    1.162   253.77
1745.25    1.158   253.65
1746.25    1.155   253.54
1747.25    1.151   253.42
1748.25    1.147   253.29
1749.25    1.143   253.17
1750.25    1.140   253.05
1751.25    1.136   252.93
1752.25    1.132   252.80
1753.25    1.128   252.68
1754.25    1.124   252.55
1755.25    1.120   252.43
1756.25    1.116   252.30
1757.25    1.112   252.17
1758.25    1.108   252.04
1759.25    1.103   251.91
1760.25    1.099   251.78
1761.25    1.095   251.65
1762.25    1.091   251.51
1763.25    1.087   251.38
1764.25    1.082   251.24
1765.25    1.078   251.11
1766.25    1.073   250.97
1767.25    1.069   250.83
1768.25    1.065   250.69
1769.25    1.060   250.55
1770.25    1.056   250.41
1771.25    1.051   250.26
1772.25    1.046   250.12
1773.25    1.042   249.97
1774.25    1.037   249.82
1775.25    1.032   249.67
1776.25    1.028   249.52
1777.25    1.023   249.37
1778.25    1.018   249.22
1779.25    1.013   249.07
1780.25    1.009   248.91
1781.25    1.004   248.75
1782.25    0.999   248.59
1783.25    0.994   248.43
1784.25    0.989   248.27
1785.25    0.984   248.11
1786.25    0.979   247.94
1787.25    0.974   247.77
1788.25    0.969   247.60
1789.25    0.964   247.43
1790.25    0.959   247.26
1791.25    0.954   247.09
1792.25    0.948   246.91
1793.25    0.943   246.73
1794.25    0.938   246.55
1795.25    0.933   246.37
1796.25    0.927   246.19
1797.25    0.922   246.00
1798.25    0.917   245.81
1799.25    0.911   245.62
1800.25    0.906   245.43
1801.25    0.901   245.23
1802.25    0.895   245.03
1803.25    0.890   244.83
1804.25    0.884   244.63
1805.25    0.879   244.43
1806.25    0.873   244.22
1807.25    0.867   244.01
1808.25    0.862   243.79
1809.25    0.856   243.58
1810.25    0.851   243.36
1811.25    0.845   243.14
1812.25    0.839   242.91
1813.25    0.834   242.68
1814.25    0.828   242.45
1815.25    0.822   242.22
1816.25    0.816   241.98
1817.25    0.811   241.74
1818.25    0.805   241.50
1819.25    0.799   241.25
1820.25    0.793   241.00
1821.25    0.787   240.74
1822.25    0.781   240.48
1823.25    0.775   240.22
1824.25    0.770   239.95
1825.25    0.764   239.68
1826.25    0.758   239.41
1827.25    0.752   239.13
1828.25    0.746   238.84
1829.25    0.740   238.55
1830.25    0.734   238.26
1831.25    0.728   237.96
1832.25    0.722   237.66
1833.25    0.716   237.35
1834.25    0.710   237.03
1835.25    0.704   236.72
1836.25    0.697   236.39
1837.25    0.691   236.06
1838.25    0.685   235.72
1839.25    0.679   235.38
1840.25    0.673   235.03
1841.25    0.667   234.68
1842.25    0.661   234.32
1843.25    0.655   233.95
1844.25    0.649   233.57
1845.25    0.642   233.19
1846.25    0.636   232.80
1847.25    0.630   232.40
1848.25    0.624   232.00
1849.25    0.618   231.58
1850.25    0.612   231.16
1851.25    0.606   230.73
1852.25    0.599   230.29
1853.25    0.593   229.84
1854.25    0.587   229.39
1855.25    0.581   228.92
1856.25    0.575   228.44
1857.25    0.569   227.95
1858.25    0.563   227.46
1859.25    0.557   226.95
1860.25    0.551   226.43
1861.25    0.545   225.90
1862.25    0.539   225.35
1863.25    0.533   224.80
1864.25    0.527   224.23
1865.25    0.521   223.65
1866.25    0.515   223.05
1867.25    0.509   222.44
1868.25    0.503   221.82
1869.25    0.497   221.18
1870.25    0.491   220.53
1871.25    0.486   219.86
1872.25    0.480   219.18
1873.25    0.474   218.48
1874.25    0.468   217.76
1875.25    0.463   217.03
1876.25    0.457   216.27
1877.25    0.452   215.50
1878.25    0.446   214.71
1879.25    0.441   213.90
1880.25    0.436   213.07
1881.25    0.430   212.22
1882.25    0.425   211.35
1883.25    0.420   210.46
1884.25    0.415   209.54
1885.25    0.410   208.61
1886.25    0.405   207.65
1887.25    0.400   206.66
1888.25    0.396   205.66
1889.25    0.391   204.63
1890.25    0.387   203.57
1891.25    0.382   202.50
1892.25    0.378   201.39
1893.25    0.374   200.26
1894.25    0.370   199.11
1895.25    0.366   197.93
1896.25    0.362   196.73
1897.25    0.358   195.50
1898.25    0.355   194.25
1899.25    0.351   192.97
1900.25    0.348   191.66
1901.25    0.345   190.34
1902.25    0.342   188.99
1903.25    0.340   187.62
1904.25    0.337   186.23
1905.25    0.335   184.81
1906.25    0.332   183.38
1907.25    0.330   181.93
1908.25    0.329   180.46
1909.25    0.327   178.97
1910.25    0.325   177.48
1911.25    0.324   175.96
1912.25    0.323   174.44
1913.25    0.322   172.91
1914.25    0.322   171.37
1915.25    0.321   169.83
1916.25    0.321   168.28
1917.25    0.321   166.73
1918.25    0.321   165.18
1919.25    0.321   163.63
1920.25    0.322   162.09
1921.25    0.323   160.55
1922.25    0.323   159.03
1923.25    0.325   157.51
1924.25    0.326   156.00
1925.25    0.327   154.51
1926.25    0.329   153.03
1927.25    0.331   151.56
1928.25    0.333   150.12
1929.25    0.335   148.69
1930.25    0.338   147.28
1931.25    0.340   145.89
1932.25    0.343   144.53
1933.25    0.346   143.18
1934.25    0.349   141.86
1935.25    0.352   140.56
1936.25    0.355   139.28
1937.25    0.359   138.03
1938.25    0.362   136.80
1939.25    0.366   135.60
1940.25    0.369   134.42
1941.25    0.373   133.26
1942.25    0.377   132.13
1943.25    0.381   131.02
1944.25    0.385   129.94
1945.25    0.389   128.87
1946.25    0.394   127.83
1947.25    0.398   126.82
1948.25    0.402   125.82
1949.25    0.407   124.85
1950.25    0.411   123.90
1951.25    0.416   122.96
1952.25    0.420   122.05
1953.25    0.425   121.16
1954.25    0.430   120.29
1955.25    0.434   119.43
1956.25    0.439   118.59
1957.25    0.443   117.77
1958.25    0.448   116.97
1959.25    0.453   116.19
1960.25    0.457   115.42
1961.25    0.462   114.66
1962.25    0.467   113.92
1963.25    0.471   113.20
1964.25    0.476   112.48
1965.25    0.480   111.79
1966.25    0.485   111.10
1967.25    0.489   110.43
1968.25    0.493   109.77
1969.25    0.498   109.12
1970.25    0.502   108.48
1971.25    0.506   107.85
1972.25    0.510   107.23
1973.25    0.514   106.63
1974.25    0.518   106.03
1975.25    0.522   105.44
1976.25    0.526   104.86
1977.25    0.529   104.28
1978.25    0.533   103.72
1979.25    0.536   103.16
1980.25    0.539   102.61
1981.25    0.543   102.07
1982.25    0.546   101.53
1983.25    0.548   100.99
1984.25    0.551   100.47
1985.25    0.554    99.95
1986.25    0.556    99.43
1987.25    0.558    98.91
1988.25    0.561    98.41
1989.25    0.562    97.90
1990.25    0.564    97.40
1991.25    0.566    96.90
1992.25    0.567    96.40
1993.25    0.568    95.91
1994.25    0.569    95.41
1995.25    0.570    94.92
1996.25    0.570    94.43
1997.25    0.570    93.94
1998.25    0.570    93.45
1999.25    0.570    92.96
2000.25    0.569    92.47
2001.25    0.568    91.97
2002.25    0.567    91.48
2003.25    0.566    90.98
2004.25    0.564    90.48
2005.25    0.562    89.98
2006.25    0.560    89.48
2007.25    0.558    88.97
2008.25    0.555    88.45
2009.25    0.552    87.93
2010.25    0.548    87.40
2011.25    0.544    86.87
2012.25    0.540    86.33
2013.25    0.536    85.78
2014.25    0.531    85.22
2015.25    0.526    84.65
2016.25    0.521    84.07
2017.25    0.515    83.47
2018.25    0.509    82.86
2019.25    0.503    82.24
2020.25    0.496    81.60
2021.25    0.489    80.95
2022.25    0.482    80.27
2023.25    0.474    79.57
2024.25    0.466    78.85
2025.25    0.458    78.10
2026.25    0.450    77.33
2027.25    0.441    76.53
2028.25    0.432    75.69
2029.25    0.423    74.82
2030.25    0.413    73.91
2031.25    0.404    72.95
2032.25    0.394    71.95
2033.25    0.384    70.89
2034.25    0.373    69.78
2035.25    0.363    68.60
2036.25    0.352    67.35
2037.25    0.342    66.03
2038.25    0.331    64.62
2039.25    0.320    63.12
2040.25    0.310    61.51
2041.25    0.299    59.78
2042.25    0.288    57.93
2043.25    0.278    55.94
2044.25    0.267    53.79
2045.25    0.257    51.47
2046.25    0.247    48.96
2047.25    0.238    46.25
2048.25    0.229    43.31
2049.25    0.220    40.14
2050.25    0.212    36.72
2051.25    0.205    33.04
2052.25    0.198    29.11
2053.25    0.192    24.92
2054.25    0.188    20.49
2055.25    0.184    15.87
2056.25    0.181    11.09
2057.25    0.180     6.20
2058.25    0.180     1.27
2059.25    0.181   356.38
2060.25    0.183   351.57
2061.25    0.187   346.91
2062.25    0.191   342.45
2063.25    0.197   338.22
2064.25    0.204   334.24
2065.25    0.211   330.53
2066.25    0.219   327.07
2067.25    0.228   323.87
2068.25    0.237   320.91
2069.25    0.247   318.18
2070.25    0.257   315.66
2071.25    0.267   313.34
2072.25    0.278   311.19
2073.25    0.289   309.21
2074.25    0.300   307.37
2075.25    0.312   305.67
2076.25    0.323   304.09
2077.25    0.335   302.62
2078.25    0.347   301.25
2079.25    0.359   299.97
2080.25    0.371   298.77
2081.25    0.383   297.65
2082.25    0.395   296.59
2083.25    0.407   295.60
2084.25    0.419   294.67
2085.25    0.431   293.78
2086.25    0.443   292.95
2087.25    0.455   292.15
2088.25    0.466   291.40
2089.25    0.478   290.69
2090.25    0.490   290.01
2091.25    0.502   289.36
2092.25    0.513   288.74
2093.25    0.525   288.15
2094.25    0.537   287.58
2095.25    0.548   287.04
2096.25    0.559   286.52
2097.25    0.571   286.02
2098.25    0.582   285.54
2099.25    0.593   285.08
2100.25    0.604   284.63
2101.25    0.615   284.21
2102.25    0.626   283.79
2103.25    0.637   283.39
2104.25    0.647   283.00
2105.25    0.658   282.63
2106.25    0.669   282.27
2107.25    0.679   281.92
2108.25    0.689   281.58
2109.25    0.700   281.25
2110.25    0.710   280.93
2111.25    0.720   280.61
2112.25    0.730   280.31
2113.25    0.740   280.01
2114.25    0.749   279.73
2115.25    0.759   279.45
2116.25    0.769   279.17
2117.25    0.778   278.91
2118.25    0.787   278.65
2119.25    0.797   278.39
2120.25    0.806   278.14
2121.25    0.815   277.90
2122.25    0.824   277.66
2123.25    0.833   277.43
2124.25    0.842   277.20
2125.25    0.850   276.98
2126.25    0.859   276.76
2127.25    0.868   276.55
2128.25    0.876   276.34
2129.25    0.884   276.13
2130.25    0.893   275.93
2131.25    0.901   275.73
2132.25    0.909   275.54
2133.25    0.917   275.35
2134.25    0.925   275.16
2135.25    0.932   274.98
2136.25    0.940   274.79
2137.25    0.948   274.61
2138.25    0.955   274.44
2139.25    0.963   274.27
2140.25    0.970   274.09
2141.25    0.977   273.93
2142.25    0.984   273.76
2143.25    0.991   273.60
2144.25    0.998   273.44
2145.25    1.005   273.28
2146.25    1.012   273.12
2147.25    1.019   272.97
2148.25    1.025   272.81
2149.25    1.032   272.66
2150.25    1.038   272.51
2151.25    1.045   272.37
2152.25    1.051   272.22
2153.25    1.057   272.08
2154.25    1.063   271.94
2155.25    1.069   271.80
2156.25    1.075   271.66
2157.25    1.081   271.52
2158.25    1.087   271.38
2159.25    1.093   271.25
2160.25    1.098   271.12
2161.25    1.104   270.99
2162.25    1.109   270.86
2163.25    1.115   270.73
2164.25    1.120   270.60
2165.25    1.125   270.47
2166.25    1.130   270.35
2167.25    1.135   270.22
2168.25    1.140   270.10
2169.25    1.145   269.98
2170.25    1.150   269.86
2171.25    1.155   269.74
2172.25    1.160   269.62
2173.25    1.164   269.50
2174.25    1.169   269.38
2175.25    1.173   269.27
2176.25    1.178   269.15
2177.25    1.182   269.04
2178.25    1.186   268.92
2179.25    1.190   268.81
2180.25    1.194   268.70
2181.25    1.198   268.59
2182.25    1.202   268.48
2183.25    1.206   268.37
2184.25    1.210   268.26
2185.25    1.214   268.15
2186.25    1.218   268.04
2187.25    1.221   267.93
2188.25    1.225   267.83
2189.25    1.228   267.72
2190.25    1.232   267.61
2191.25    1.235   267.51
2192.25    1.238   267.41
2193.25    1.241   267.30
2194.25    1.245   267.20
2195.25    1.248   267.10
2196.25    1.251   266.99
2197.25    1.254   266.89
2198.25    1.256   266.79
2199.25    1.259   266.69
2200.25    1.262   266.59
2201.25    1.265   266.49
2202.25    1.267   266.39
2203.25    1.270   266.29
2204.25    1.272   266.19
2205.25    1.275   266.09
2206.25    1.277   266.00
2207.25    1.279   265.90
2208.25    1.282   265.80
2209.25    1.284   265.71
2210.25    1.286   265.61
2211.25    1.288   265.51
2212.25    1.290   265.42
2213.25    1.292   265.32
2214.25    1.294   265.23
2215.25    1.296   265.13
2216.25    1.297   265.04
2217.25    1.299   264.94
2218.25    1.301   264.85
2219.25    1.302   264.75
2220.25    1.304   264.66
2221.25    1.305   264.57
2222.25    1.307   264.47
2223.25    1.308   264.38
2224.25    1.309   264.29
2225.25    1.311   264.19
2226.25    1.312   264.10
2227.25    1.313   264.01
2228.25    1.314   263.91
2229.25    1.315   263.82
2230.25    1.316   263.73
2231.25    1.317   263.64
2232.25    1.318   263.55
2233.25    1.319   263.45
2234.25    1.319   263.36
2235.25    1.320   263.27
2236.25    1.321   263.18
2237.25    1.321   263.09
2238.25    1.322   263.00
2239.25    1.322   262.91
2240.25    1.323   262.82
2241.25    1.323   262.72
2242.25    1.323   262.63
2243.25    1.323   262.54
2244.25    1.324   262.45
2245.25    1.324   262.36
2246.25    1.324   262.27
2247.25    1.324   262.18
2248.25    1.324   262.09
2249.25    1.324   262.00
2250.25    1.324   261.91
2251.25    1.324   261.81
2252.25    1.323   261.72
2253.25    1.323   261.63
2254.25    1.323   261.54
2255.25    1.323   261.45
2256.25    1.322   261.36
2257.25    1.322   261.27
2258.25    1.321   261.18
2259.25    1.321   261.09
2260.25    1.320   260.99
2261.25    1.319   260.90
2262.25    1.319   260.81
2263.25    1.318   260.72
2264.25    1.317   260.63
2265.25    1.316   260.53
2266.25    1.315   260.44
2267.25    1.314   260.35
2268.25    1.313   260.26
2269.25    1.312   260.17
2270.25    1.311   260.07
2271.25    1.310   259.98
2272.25    1.309   259.89
2273.25    1.308   259.79
2274.25    1.307   259.70
2275.25    1.305   259.61
2276.25    1.304   259.51
2277.25    1.302   259.42
2278.25    1.301   259.33
2279.25    1.300   259.23
2280.25    1.298   259.14
2281.25    1.296   259.04
2282.25    1.295   258.95
2283.25    1.293   258.85
2284.25    1.291   258.76
2285.25    1.290   258.66
2286.25    1.288   258.57
2287.25    1.286   258.47
2288.25    1.284   258.37
2289.25    1.282   258.28
2290.25    1.280   258.18
2291.25    1.278   258.08
2292.25    1.276   257.98
2293.25    1.274   257.89
2294.25    1.272   257.79
2295.25    1.270   257.69
2296.25    1.267   257.59
2297.25    1.265   257.49
2298.25    1.263   257.39
2299.25    1.260   257.29
2300.25    1.258   257.19
2301.25    1.256   257.09
2302.25    1.253   256.99
2303.25    1.251   256.89
2304.25    1.248   256.78
2305.25    1.245   256.68
2306.25    1.243   256.58
2307.25    1.240   256.47
2308.25    1.237   256.37
2309.25    1.235   256.27
2310.25    1.232   256.16
2311.25    1.229   256.06
2312.25    1.226   255.95
2313.25    1.223   255.84
2314.25    1.220   255.74
2315.25    1.217   255.63
2316.25    1.214   255.52
2317.25    1.211   255.41
2318.25    1.208   255.30






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 15:14:44



www.stella-vega.de