Double Star Calculator - Orbit

Orbital Elements for COU543
WDS: COU543 WDS ID/Discoverer
P: 404.200 Orbital period (years)
a: 0.362 Semi-major axis (arcseconds)
i: 131.1 Inclination (degrees)
Ω: 121.1 Longitude of ascending node (degrees)
T: 2011.000 Epoch of periastron passage (year)
e: 0.398 Eccentricity
ω: 53.6 Longitude of periastron (degrees)
Start-Year: 1822.9 Year
End-Year: 2227.1 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU543
Position: 225842.46+261119.9 Epoch-2000 right ascension and declination
WDS-ID: 22587+2611 WDS designation
Discoverer Code: COU543 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.5 Magnitude of the primary
V2: 9.5 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 COU543



WDS 6th Orbit including measures of COU543

-- 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 COU543
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.151    35.05
--------------------------
1822.90    0.384   253.00
1823.90    0.382   252.52
1824.90    0.381   252.04
1825.90    0.379   251.55
1826.90    0.378   251.06
1827.90    0.377   250.56
1828.90    0.375   250.07
1829.90    0.374   249.56
1830.90    0.372   249.06
1831.90    0.371   248.55
1832.90    0.369   248.03
1833.90    0.368   247.52
1834.90    0.366   246.99
1835.90    0.365   246.47
1836.90    0.363   245.94
1837.90    0.362   245.40
1838.90    0.361   244.86
1839.90    0.359   244.32
1840.90    0.358   243.77
1841.90    0.356   243.22
1842.90    0.355   242.66
1843.90    0.353   242.10
1844.90    0.352   241.53
1845.90    0.350   240.96
1846.90    0.349   240.39
1847.90    0.347   239.80
1848.90    0.346   239.22
1849.90    0.344   238.63
1850.90    0.343   238.03
1851.90    0.341   237.43
1852.90    0.340   236.82
1853.90    0.339   236.21
1854.90    0.337   235.60
1855.90    0.336   234.97
1856.90    0.334   234.35
1857.90    0.333   233.71
1858.90    0.331   233.08
1859.90    0.330   232.43
1860.90    0.329   231.78
1861.90    0.327   231.13
1862.90    0.326   230.47
1863.90    0.325   229.80
1864.90    0.323   229.13
1865.90    0.322   228.46
1866.90    0.320   227.77
1867.90    0.319   227.08
1868.90    0.318   226.39
1869.90    0.317   225.69
1870.90    0.315   224.99
1871.90    0.314   224.28
1872.90    0.313   223.56
1873.90    0.311   222.84
1874.90    0.310   222.11
1875.90    0.309   221.37
1876.90    0.308   220.63
1877.90    0.307   219.89
1878.90    0.306   219.14
1879.90    0.304   218.38
1880.90    0.303   217.62
1881.90    0.302   216.85
1882.90    0.301   216.08
1883.90    0.300   215.30
1884.90    0.299   214.51
1885.90    0.298   213.72
1886.90    0.297   212.92
1887.90    0.296   212.12
1888.90    0.295   211.32
1889.90    0.294   210.50
1890.90    0.293   209.69
1891.90    0.292   208.87
1892.90    0.291   208.04
1893.90    0.290   207.21
1894.90    0.290   206.37
1895.90    0.289   205.53
1896.90    0.288   204.68
1897.90    0.287   203.83
1898.90    0.286   202.97
1899.90    0.286   202.11
1900.90    0.285   201.25
1901.90    0.284   200.38
1902.90    0.284   199.51
1903.90    0.283   198.63
1904.90    0.283   197.75
1905.90    0.282   196.87
1906.90    0.281   195.98
1907.90    0.281   195.09
1908.90    0.280   194.20
1909.90    0.280   193.30
1910.90    0.279   192.40
1911.90    0.279   191.50
1912.90    0.279   190.59
1913.90    0.278   189.68
1914.90    0.278   188.77
1915.90    0.278   187.86
1916.90    0.277   186.95
1917.90    0.277   186.03
1918.90    0.277   185.11
1919.90    0.276   184.19
1920.90    0.276   183.27
1921.90    0.276   182.34
1922.90    0.276   181.42
1923.90    0.276   180.49
1924.90    0.275   179.56
1925.90    0.275   178.64
1926.90    0.275   177.71
1927.90    0.275   176.78
1928.90    0.275   175.85
1929.90    0.275   174.91
1930.90    0.275   173.98
1931.90    0.275   173.05
1932.90    0.275   172.12
1933.90    0.275   171.18
1934.90    0.275   170.25
1935.90    0.275   169.32
1936.90    0.275   168.38
1937.90    0.275   167.45
1938.90    0.275   166.52
1939.90    0.275   165.58
1940.90    0.275   164.65
1941.90    0.275   163.71
1942.90    0.275   162.78
1943.90    0.275   161.85
1944.90    0.275   160.91
1945.90    0.274   159.98
1946.90    0.274   159.04
1947.90    0.274   158.11
1948.90    0.274   157.17
1949.90    0.274   156.24
1950.90    0.274   155.30
1951.90    0.274   154.37
1952.90    0.274   153.43
1953.90    0.274   152.49
1954.90    0.274   151.55
1955.90    0.274   150.61
1956.90    0.273   149.67
1957.90    0.273   148.73
1958.90    0.273   147.78
1959.90    0.272   146.84
1960.90    0.272   145.89
1961.90    0.272   144.93
1962.90    0.271   143.98
1963.90    0.271   143.02
1964.90    0.270   142.06
1965.90    0.270   141.09
1966.90    0.269   140.13
1967.90    0.268   139.15
1968.90    0.268   138.17
1969.90    0.267   137.19
1970.90    0.266   136.20
1971.90    0.265   135.20
1972.90    0.264   134.20
1973.90    0.263   133.18
1974.90    0.262   132.16
1975.90    0.261   131.14
1976.90    0.260   130.10
1977.90    0.258   129.05
1978.90    0.257   127.99
1979.90    0.256   126.92
1980.90    0.254   125.83
1981.90    0.252   124.73
1982.90    0.251   123.62
1983.90    0.249   122.49
1984.90    0.247   121.35
1985.90    0.245   120.18
1986.90    0.243   119.00
1987.90    0.241   117.79
1988.90    0.238   116.57
1989.90    0.236   115.31
1990.90    0.234   114.04
1991.90    0.231   112.73
1992.90    0.228   111.40
1993.90    0.226   110.04
1994.90    0.223   108.64
1995.90    0.220   107.21
1996.90    0.217   105.74
1997.90    0.214   104.22
1998.90    0.211   102.67
1999.90    0.208   101.07
2000.90    0.205    99.42
2001.90    0.202    97.72
2002.90    0.199    95.97
2003.90    0.196    94.16
2004.90    0.192    92.29
2005.90    0.189    90.35
2006.90    0.186    88.35
2007.90    0.183    86.28
2008.90    0.180    84.13
2009.90    0.177    81.91
2010.90    0.174    79.61
2011.90    0.171    77.24
2012.90    0.168    74.78
2013.90    0.165    72.24
2014.90    0.163    69.63
2015.90    0.160    66.93
2016.90    0.158    64.16
2017.90    0.156    61.32
2018.90    0.155    58.41
2019.90    0.153    55.44
2020.90    0.152    52.42
2021.90    0.151    49.36
2022.90    0.151    46.27
2023.90    0.150    43.16
2024.90    0.150    40.03
2025.90    0.150    36.92
2026.90    0.151    33.82
2027.90    0.152    30.74
2028.90    0.153    27.71
2029.90    0.154    24.73
2030.90    0.156    21.80
2031.90    0.158    18.95
2032.90    0.160    16.16
2033.90    0.163    13.46
2034.90    0.165    10.84
2035.90    0.168     8.30
2036.90    0.171     5.86
2037.90    0.174     3.50
2038.90    0.178     1.22
2039.90    0.181   359.04
2040.90    0.185   356.93
2041.90    0.189   354.91
2042.90    0.192   352.97
2043.90    0.196   351.10
2044.90    0.200   349.31
2045.90    0.204   347.59
2046.90    0.208   345.94
2047.90    0.213   344.35
2048.90    0.217   342.82
2049.90    0.221   341.35
2050.90    0.225   339.94
2051.90    0.229   338.57
2052.90    0.234   337.26
2053.90    0.238   335.99
2054.90    0.242   334.77
2055.90    0.246   333.59
2056.90    0.251   332.45
2057.90    0.255   331.35
2058.90    0.259   330.28
2059.90    0.263   329.24
2060.90    0.267   328.24
2061.90    0.271   327.27
2062.90    0.275   326.33
2063.90    0.279   325.41
2064.90    0.283   324.52
2065.90    0.287   323.66
2066.90    0.291   322.81
2067.90    0.295   321.99
2068.90    0.299   321.19
2069.90    0.302   320.41
2070.90    0.306   319.65
2071.90    0.310   318.91
2072.90    0.313   318.18
2073.90    0.317   317.47
2074.90    0.320   316.78
2075.90    0.324   316.10
2076.90    0.327   315.44
2077.90    0.330   314.79
2078.90    0.334   314.15
2079.90    0.337   313.52
2080.90    0.340   312.91
2081.90    0.343   312.31
2082.90    0.346   311.71
2083.90    0.349   311.13
2084.90    0.352   310.56
2085.90    0.355   310.00
2086.90    0.358   309.44
2087.90    0.361   308.90
2088.90    0.364   308.36
2089.90    0.366   307.83
2090.90    0.369   307.31
2091.90    0.372   306.80
2092.90    0.374   306.29
2093.90    0.377   305.80
2094.90    0.379   305.30
2095.90    0.381   304.82
2096.90    0.384   304.33
2097.90    0.386   303.86
2098.90    0.388   303.39
2099.90    0.391   302.93
2100.90    0.393   302.47
2101.90    0.395   302.01
2102.90    0.397   301.56
2103.90    0.399   301.12
2104.90    0.401   300.68
2105.90    0.403   300.24
2106.90    0.404   299.81
2107.90    0.406   299.38
2108.90    0.408   298.96
2109.90    0.410   298.54
2110.90    0.411   298.12
2111.90    0.413   297.70
2112.90    0.415   297.29
2113.90    0.416   296.88
2114.90    0.418   296.48
2115.90    0.419   296.08
2116.90    0.420   295.68
2117.90    0.422   295.28
2118.90    0.423   294.89
2119.90    0.424   294.49
2120.90    0.426   294.10
2121.90    0.427   293.72
2122.90    0.428   293.33
2123.90    0.429   292.95
2124.90    0.430   292.57
2125.90    0.431   292.19
2126.90    0.432   291.81
2127.90    0.433   291.43
2128.90    0.434   291.06
2129.90    0.435   290.68
2130.90    0.436   290.31
2131.90    0.436   289.94
2132.90    0.437   289.57
2133.90    0.438   289.21
2134.90    0.438   288.84
2135.90    0.439   288.47
2136.90    0.440   288.11
2137.90    0.440   287.74
2138.90    0.441   287.38
2139.90    0.441   287.02
2140.90    0.442   286.66
2141.90    0.442   286.30
2142.90    0.442   285.94
2143.90    0.443   285.58
2144.90    0.443   285.22
2145.90    0.443   284.86
2146.90    0.444   284.50
2147.90    0.444   284.15
2148.90    0.444   283.79
2149.90    0.444   283.43
2150.90    0.444   283.08
2151.90    0.444   282.72
2152.90    0.444   282.36
2153.90    0.444   282.01
2154.90    0.444   281.65
2155.90    0.444   281.29
2156.90    0.444   280.94
2157.90    0.444   280.58
2158.90    0.444   280.22
2159.90    0.444   279.87
2160.90    0.444   279.51
2161.90    0.444   279.15
2162.90    0.443   278.80
2163.90    0.443   278.44
2164.90    0.443   278.08
2165.90    0.443   277.72
2166.90    0.442   277.36
2167.90    0.442   277.00
2168.90    0.441   276.64
2169.90    0.441   276.28
2170.90    0.441   275.91
2171.90    0.440   275.55
2172.90    0.440   275.19
2173.90    0.439   274.82
2174.90    0.439   274.46
2175.90    0.438   274.09
2176.90    0.437   273.72
2177.90    0.437   273.36
2178.90    0.436   272.99
2179.90    0.435   272.61
2180.90    0.435   272.24
2181.90    0.434   271.87
2182.90    0.433   271.50
2183.90    0.433   271.12
2184.90    0.432   270.74
2185.90    0.431   270.37
2186.90    0.430   269.99
2187.90    0.429   269.60
2188.90    0.428   269.22
2189.90    0.428   268.84
2190.90    0.427   268.45
2191.90    0.426   268.06
2192.90    0.425   267.67
2193.90    0.424   267.28
2194.90    0.423   266.89
2195.90    0.422   266.50
2196.90    0.421   266.10
2197.90    0.420   265.70
2198.90    0.419   265.30
2199.90    0.418   264.90
2200.90    0.417   264.50
2201.90    0.416   264.09
2202.90    0.415   263.68
2203.90    0.413   263.27
2204.90    0.412   262.86
2205.90    0.411   262.44
2206.90    0.410   262.02
2207.90    0.409   261.60
2208.90    0.408   261.18
2209.90    0.406   260.76
2210.90    0.405   260.33
2211.90    0.404   259.90
2212.90    0.403   259.47
2213.90    0.401   259.03
2214.90    0.400   258.59
2215.90    0.399   258.15
2216.90    0.397   257.71
2217.90    0.396   257.26
2218.90    0.395   256.81
2219.90    0.394   256.36
2220.90    0.392   255.90
2221.90    0.391   255.44
2222.90    0.389   254.98
2223.90    0.388   254.51
2224.90    0.387   254.04
2225.90    0.385   253.57
2226.90    0.384   253.10






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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.


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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 18:45:53



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