Double Star Calculator - Orbit

Orbital Elements for COU532
WDS: COU532 WDS ID/Discoverer
P: 556.100 Orbital period (years)
a: 0.494 Semi-major axis (arcseconds)
i: 119.3 Inclination (degrees)
Ω: 45.4 Longitude of ascending node (degrees)
T: 1959.300 Epoch of periastron passage (year)
e: 0.5669 Eccentricity
ω: 258.1 Longitude of periastron (degrees)
Start-Year: 1746.95 Year
End-Year: 2303.05 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU532
Position: 212219.57+290623.1 Epoch-2000 right ascension and declination
WDS-ID: 21223+2906 WDS designation
Discoverer Code: COU532 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: 4 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 COU532



WDS 6th Orbit including measures of COU532

-- 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 COU532
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.417    40.91
--------------------------
1746.95    0.365   309.75
1747.95    0.364   309.27
1748.95    0.364   308.79
1749.95    0.364   308.31
1750.95    0.364   307.83
1751.95    0.364   307.34
1752.95    0.363   306.86
1753.95    0.363   306.38
1754.95    0.363   305.90
1755.95    0.363   305.41
1756.95    0.363   304.93
1757.95    0.363   304.44
1758.95    0.363   303.96
1759.95    0.362   303.47
1760.95    0.362   302.99
1761.95    0.362   302.50
1762.95    0.362   302.02
1763.95    0.362   301.53
1764.95    0.362   301.05
1765.95    0.362   300.56
1766.95    0.362   300.08
1767.95    0.362   299.59
1768.95    0.362   299.10
1769.95    0.362   298.62
1770.95    0.362   298.13
1771.95    0.362   297.65
1772.95    0.362   297.16
1773.95    0.362   296.67
1774.95    0.362   296.19
1775.95    0.362   295.70
1776.95    0.362   295.22
1777.95    0.362   294.73
1778.95    0.363   294.25
1779.95    0.363   293.76
1780.95    0.363   293.28
1781.95    0.363   292.80
1782.95    0.363   292.31
1783.95    0.363   291.83
1784.95    0.363   291.35
1785.95    0.364   290.87
1786.95    0.364   290.38
1787.95    0.364   289.90
1788.95    0.364   289.42
1789.95    0.364   288.94
1790.95    0.365   288.46
1791.95    0.365   287.98
1792.95    0.365   287.51
1793.95    0.365   287.03
1794.95    0.365   286.55
1795.95    0.366   286.07
1796.95    0.366   285.60
1797.95    0.366   285.12
1798.95    0.367   284.65
1799.95    0.367   284.17
1800.95    0.367   283.70
1801.95    0.367   283.23
1802.95    0.368   282.76
1803.95    0.368   282.29
1804.95    0.368   281.82
1805.95    0.369   281.35
1806.95    0.369   280.88
1807.95    0.369   280.41
1808.95    0.370   279.95
1809.95    0.370   279.48
1810.95    0.370   279.01
1811.95    0.371   278.55
1812.95    0.371   278.09
1813.95    0.371   277.62
1814.95    0.372   277.16
1815.95    0.372   276.70
1816.95    0.372   276.24
1817.95    0.373   275.78
1818.95    0.373   275.32
1819.95    0.373   274.87
1820.95    0.374   274.41
1821.95    0.374   273.95
1822.95    0.374   273.50
1823.95    0.375   273.05
1824.95    0.375   272.59
1825.95    0.375   272.14
1826.95    0.376   271.69
1827.95    0.376   271.24
1828.95    0.376   270.79
1829.95    0.377   270.34
1830.95    0.377   269.89
1831.95    0.377   269.44
1832.95    0.378   269.00
1833.95    0.378   268.55
1834.95    0.378   268.11
1835.95    0.379   267.66
1836.95    0.379   267.22
1837.95    0.379   266.78
1838.95    0.380   266.33
1839.95    0.380   265.89
1840.95    0.380   265.45
1841.95    0.381   265.01
1842.95    0.381   264.57
1843.95    0.381   264.13
1844.95    0.381   263.69
1845.95    0.382   263.26
1846.95    0.382   262.82
1847.95    0.382   262.38
1848.95    0.382   261.95
1849.95    0.382   261.51
1850.95    0.383   261.08
1851.95    0.383   260.64
1852.95    0.383   260.21
1853.95    0.383   259.77
1854.95    0.383   259.34
1855.95    0.383   258.91
1856.95    0.383   258.47
1857.95    0.384   258.04
1858.95    0.384   257.61
1859.95    0.384   257.17
1860.95    0.384   256.74
1861.95    0.384   256.31
1862.95    0.384   255.88
1863.95    0.384   255.44
1864.95    0.384   255.01
1865.95    0.384   254.58
1866.95    0.383   254.14
1867.95    0.383   253.71
1868.95    0.383   253.28
1869.95    0.383   252.84
1870.95    0.383   252.41
1871.95    0.383   251.97
1872.95    0.382   251.54
1873.95    0.382   251.10
1874.95    0.382   250.67
1875.95    0.381   250.23
1876.95    0.381   249.79
1877.95    0.381   249.35
1878.95    0.380   248.91
1879.95    0.380   248.47
1880.95    0.379   248.03
1881.95    0.379   247.58
1882.95    0.378   247.14
1883.95    0.377   246.69
1884.95    0.377   246.24
1885.95    0.376   245.79
1886.95    0.375   245.34
1887.95    0.374   244.89
1888.95    0.374   244.43
1889.95    0.373   243.98
1890.95    0.372   243.52
1891.95    0.371   243.05
1892.95    0.370   242.59
1893.95    0.369   242.12
1894.95    0.367   241.65
1895.95    0.366   241.18
1896.95    0.365   240.70
1897.95    0.364   240.22
1898.95    0.362   239.74
1899.95    0.361   239.25
1900.95    0.359   238.76
1901.95    0.358   238.26
1902.95    0.356   237.76
1903.95    0.354   237.26
1904.95    0.352   236.75
1905.95    0.351   236.23
1906.95    0.349   235.71
1907.95    0.347   235.18
1908.95    0.344   234.65
1909.95    0.342   234.11
1910.95    0.340   233.56
1911.95    0.338   233.01
1912.95    0.335   232.44
1913.95    0.332   231.87
1914.95    0.330   231.29
1915.95    0.327   230.70
1916.95    0.324   230.10
1917.95    0.321   229.49
1918.95    0.318   228.86
1919.95    0.315   228.23
1920.95    0.312   227.58
1921.95    0.308   226.92
1922.95    0.305   226.24
1923.95    0.301   225.54
1924.95    0.297   224.83
1925.95    0.293   224.10
1926.95    0.289   223.35
1927.95    0.285   222.57
1928.95    0.281   221.78
1929.95    0.276   220.96
1930.95    0.272   220.11
1931.95    0.267   219.23
1932.95    0.262   218.32
1933.95    0.257   217.37
1934.95    0.252   216.39
1935.95    0.247   215.36
1936.95    0.241   214.29
1937.95    0.236   213.17
1938.95    0.230   211.99
1939.95    0.224   210.76
1940.95    0.218   209.45
1941.95    0.212   208.07
1942.95    0.206   206.62
1943.95    0.200   205.07
1944.95    0.193   203.41
1945.95    0.187   201.65
1946.95    0.180   199.76
1947.95    0.174   197.73
1948.95    0.167   195.54
1949.95    0.161   193.18
1950.95    0.155   190.62
1951.95    0.148   187.84
1952.95    0.142   184.82
1953.95    0.136   181.53
1954.95    0.131   177.96
1955.95    0.126   174.08
1956.95    0.121   169.87
1957.95    0.116   165.33
1958.95    0.113   160.47
1959.95    0.110   155.31
1960.95    0.107   149.90
1961.95    0.106   144.30
1962.95    0.105   138.59
1963.95    0.106   132.87
1964.95    0.107   127.24
1965.95    0.109   121.78
1966.95    0.112   116.55
1967.95    0.115   111.62
1968.95    0.120   107.01
1969.95    0.124   102.73
1970.95    0.130    98.78
1971.95    0.135    95.15
1972.95    0.141    91.81
1973.95    0.147    88.76
1974.95    0.154    85.95
1975.95    0.160    83.37
1976.95    0.167    80.99
1977.95    0.174    78.80
1978.95    0.181    76.78
1979.95    0.188    74.90
1980.95    0.194    73.15
1981.95    0.201    71.53
1982.95    0.208    70.01
1983.95    0.215    68.58
1984.95    0.222    67.25
1985.95    0.228    65.99
1986.95    0.235    64.80
1987.95    0.241    63.67
1988.95    0.248    62.61
1989.95    0.254    61.59
1990.95    0.260    60.63
1991.95    0.266    59.71
1992.95    0.272    58.83
1993.95    0.278    57.99
1994.95    0.284    57.18
1995.95    0.290    56.41
1996.95    0.295    55.66
1997.95    0.301    54.94
1998.95    0.306    54.25
1999.95    0.311    53.58
2000.95    0.316    52.93
2001.95    0.321    52.31
2002.95    0.326    51.70
2003.95    0.331    51.11
2004.95    0.336    50.54
2005.95    0.341    49.98
2006.95    0.345    49.44
2007.95    0.350    48.91
2008.95    0.354    48.40
2009.95    0.358    47.90
2010.95    0.362    47.41
2011.95    0.367    46.93
2012.95    0.371    46.46
2013.95    0.375    46.00
2014.95    0.378    45.55
2015.95    0.382    45.11
2016.95    0.386    44.68
2017.95    0.389    44.25
2018.95    0.393    43.84
2019.95    0.396    43.43
2020.95    0.400    43.03
2021.95    0.403    42.63
2022.95    0.406    42.24
2023.95    0.409    41.86
2024.95    0.412    41.48
2025.95    0.415    41.11
2026.95    0.418    40.74
2027.95    0.421    40.38
2028.95    0.424    40.02
2029.95    0.426    39.67
2030.95    0.429    39.32
2031.95    0.432    38.98
2032.95    0.434    38.64
2033.95    0.437    38.30
2034.95    0.439    37.97
2035.95    0.441    37.64
2036.95    0.444    37.31
2037.95    0.446    36.99
2038.95    0.448    36.67
2039.95    0.450    36.36
2040.95    0.452    36.04
2041.95    0.454    35.73
2042.95    0.456    35.43
2043.95    0.458    35.12
2044.95    0.460    34.82
2045.95    0.462    34.52
2046.95    0.463    34.22
2047.95    0.465    33.93
2048.95    0.467    33.63
2049.95    0.468    33.34
2050.95    0.470    33.05
2051.95    0.471    32.76
2052.95    0.473    32.48
2053.95    0.474    32.19
2054.95    0.476    31.91
2055.95    0.477    31.63
2056.95    0.478    31.35
2057.95    0.479    31.07
2058.95    0.481    30.80
2059.95    0.482    30.52
2060.95    0.483    30.25
2061.95    0.484    29.98
2062.95    0.485    29.71
2063.95    0.486    29.44
2064.95    0.487    29.17
2065.95    0.488    28.90
2066.95    0.489    28.63
2067.95    0.490    28.37
2068.95    0.491    28.10
2069.95    0.492    27.84
2070.95    0.492    27.57
2071.95    0.493    27.31
2072.95    0.494    27.05
2073.95    0.495    26.79
2074.95    0.495    26.53
2075.95    0.496    26.27
2076.95    0.496    26.01
2077.95    0.497    25.75
2078.95    0.498    25.50
2079.95    0.498    25.24
2080.95    0.499    24.98
2081.95    0.499    24.73
2082.95    0.499    24.47
2083.95    0.500    24.22
2084.95    0.500    23.96
2085.95    0.500    23.71
2086.95    0.501    23.45
2087.95    0.501    23.20
2088.95    0.501    22.94
2089.95    0.502    22.69
2090.95    0.502    22.44
2091.95    0.502    22.19
2092.95    0.502    21.93
2093.95    0.502    21.68
2094.95    0.502    21.43
2095.95    0.503    21.18
2096.95    0.503    20.92
2097.95    0.503    20.67
2098.95    0.503    20.42
2099.95    0.503    20.17
2100.95    0.503    19.92
2101.95    0.503    19.66
2102.95    0.503    19.41
2103.95    0.503    19.16
2104.95    0.502    18.91
2105.95    0.502    18.65
2106.95    0.502    18.40
2107.95    0.502    18.15
2108.95    0.502    17.90
2109.95    0.502    17.64
2110.95    0.502    17.39
2111.95    0.501    17.14
2112.95    0.501    16.88
2113.95    0.501    16.63
2114.95    0.501    16.38
2115.95    0.500    16.12
2116.95    0.500    15.87
2117.95    0.500    15.61
2118.95    0.499    15.36
2119.95    0.499    15.10
2120.95    0.499    14.85
2121.95    0.498    14.59
2122.95    0.498    14.33
2123.95    0.497    14.07
2124.95    0.497    13.82
2125.95    0.496    13.56
2126.95    0.496    13.30
2127.95    0.496    13.04
2128.95    0.495    12.78
2129.95    0.495    12.52
2130.95    0.494    12.26
2131.95    0.494    12.00
2132.95    0.493    11.74
2133.95    0.492    11.48
2134.95    0.492    11.21
2135.95    0.491    10.95
2136.95    0.491    10.69
2137.95    0.490    10.42
2138.95    0.490    10.16
2139.95    0.489     9.89
2140.95    0.488     9.62
2141.95    0.488     9.35
2142.95    0.487     9.09
2143.95    0.486     8.82
2144.95    0.486     8.55
2145.95    0.485     8.28
2146.95    0.484     8.01
2147.95    0.484     7.73
2148.95    0.483     7.46
2149.95    0.482     7.19
2150.95    0.481     6.91
2151.95    0.481     6.64
2152.95    0.480     6.36
2153.95    0.479     6.09
2154.95    0.478     5.81
2155.95    0.478     5.53
2156.95    0.477     5.25
2157.95    0.476     4.97
2158.95    0.475     4.69
2159.95    0.474     4.41
2160.95    0.474     4.12
2161.95    0.473     3.84
2162.95    0.472     3.55
2163.95    0.471     3.27
2164.95    0.470     2.98
2165.95    0.470     2.69
2166.95    0.469     2.40
2167.95    0.468     2.11
2168.95    0.467     1.82
2169.95    0.466     1.53
2170.95    0.465     1.23
2171.95    0.464     0.94
2172.95    0.463     0.64
2173.95    0.463     0.34
2174.95    0.462     0.05
2175.95    0.461   359.75
2176.95    0.460   359.45
2177.95    0.459   359.14
2178.95    0.458   358.84
2179.95    0.457   358.54
2180.95    0.456   358.23
2181.95    0.455   357.93
2182.95    0.454   357.62
2183.95    0.453   357.31
2184.95    0.453   357.00
2185.95    0.452   356.69
2186.95    0.451   356.37
2187.95    0.450   356.06
2188.95    0.449   355.74
2189.95    0.448   355.43
2190.95    0.447   355.11
2191.95    0.446   354.79
2192.95    0.445   354.47
2193.95    0.444   354.15
2194.95    0.443   353.82
2195.95    0.442   353.50
2196.95    0.441   353.17
2197.95    0.440   352.84
2198.95    0.439   352.51
2199.95    0.438   352.18
2200.95    0.437   351.85
2201.95    0.436   351.52
2202.95    0.435   351.18
2203.95    0.434   350.84
2204.95    0.434   350.51
2205.95    0.433   350.17
2206.95    0.432   349.83
2207.95    0.431   349.48
2208.95    0.430   349.14
2209.95    0.429   348.79
2210.95    0.428   348.45
2211.95    0.427   348.10
2212.95    0.426   347.75
2213.95    0.425   347.39
2214.95    0.424   347.04
2215.95    0.423   346.69
2216.95    0.422   346.33
2217.95    0.421   345.97
2218.95    0.420   345.61
2219.95    0.419   345.25
2220.95    0.418   344.89
2221.95    0.417   344.52
2222.95    0.416   344.16
2223.95    0.416   343.79
2224.95    0.415   343.42
2225.95    0.414   343.05
2226.95    0.413   342.67
2227.95    0.412   342.30
2228.95    0.411   341.92
2229.95    0.410   341.55
2230.95    0.409   341.17
2231.95    0.408   340.78
2232.95    0.407   340.40
2233.95    0.407   340.02
2234.95    0.406   339.63
2235.95    0.405   339.24
2236.95    0.404   338.85
2237.95    0.403   338.46
2238.95    0.402   338.07
2239.95    0.401   337.67
2240.95    0.400   337.28
2241.95    0.400   336.88
2242.95    0.399   336.48
2243.95    0.398   336.08
2244.95    0.397   335.68
2245.95    0.396   335.27
2246.95    0.396   334.87
2247.95    0.395   334.46
2248.95    0.394   334.05
2249.95    0.393   333.64
2250.95    0.392   333.22
2251.95    0.392   332.81
2252.95    0.391   332.39
2253.95    0.390   331.98
2254.95    0.389   331.56
2255.95    0.389   331.14
2256.95    0.388   330.71
2257.95    0.387   330.29
2258.95    0.386   329.86
2259.95    0.386   329.44
2260.95    0.385   329.01
2261.95    0.384   328.58
2262.95    0.384   328.14
2263.95    0.383   327.71
2264.95    0.382   327.28
2265.95    0.382   326.84
2266.95    0.381   326.40
2267.95    0.380   325.96
2268.95    0.380   325.52
2269.95    0.379   325.08
2270.95    0.378   324.64
2271.95    0.378   324.19
2272.95    0.377   323.74
2273.95    0.377   323.30
2274.95    0.376   322.85
2275.95    0.376   322.39
2276.95    0.375   321.94
2277.95    0.375   321.49
2278.95    0.374   321.03
2279.95    0.373   320.58
2280.95    0.373   320.12
2281.95    0.372   319.66
2282.95    0.372   319.20
2283.95    0.372   318.74
2284.95    0.371   318.28
2285.95    0.371   317.82
2286.95    0.370   317.35
2287.95    0.370   316.89
2288.95    0.369   316.42
2289.95    0.369   315.95
2290.95    0.369   315.49
2291.95    0.368   315.02
2292.95    0.368   314.55
2293.95    0.367   314.07
2294.95    0.367   313.60
2295.95    0.367   313.13
2296.95    0.366   312.65
2297.95    0.366   312.18
2298.95    0.366   311.70
2299.95    0.365   311.23
2300.95    0.365   310.75
2301.95    0.365   310.27
2302.95    0.365   309.79






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 18:25:50



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