Double Star Calculator - Orbit

Orbital Elements for COU610
WDS: COU610 WDS ID/Discoverer
P: 361.100 Orbital period (years)
a: 0.826 Semi-major axis (arcseconds)
i: 100.5 Inclination (degrees)
Ω: 26.9 Longitude of ascending node (degrees)
T: 1943.000 Epoch of periastron passage (year)
e: 0.78 Eccentricity
ω: 66.5 Longitude of periastron (degrees)
Start-Year: 1844.45 Year
End-Year: 2205.55 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU610
Position: 153255.78+312132.9 Epoch-2000 right ascension and declination
WDS-ID: 15329+3122 WDS designation
Discoverer Code: COU610 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 138749 HD catalog number
Hipparcos number: 76127 Hipparcos catalog number
V1: 4.27 Magnitude of the primary
V2: 6.29 Magnitude of the secondary
Equinox: Equinox
Date: 2016 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: Ksr2021 Reference

Double Star Orbit for COU610



WDS 6th Orbit including measures of COU610

-- 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 COU610
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.846   196.86
--------------------------
1844.45    0.258   145.02
1845.45    0.254   143.84
1846.45    0.250   142.62
1847.45    0.247   141.36
1848.45    0.243   140.07
1849.45    0.240   138.74
1850.45    0.237   137.38
1851.45    0.234   135.97
1852.45    0.230   134.53
1853.45    0.228   133.05
1854.45    0.225   131.54
1855.45    0.222   129.98
1856.45    0.220   128.39
1857.45    0.217   126.77
1858.45    0.215   125.11
1859.45    0.213   123.42
1860.45    0.211   121.69
1861.45    0.210   119.94
1862.45    0.208   118.16
1863.45    0.207   116.35
1864.45    0.206   114.53
1865.45    0.205   112.68
1866.45    0.204   110.82
1867.45    0.203   108.95
1868.45    0.203   107.06
1869.45    0.203   105.17
1870.45    0.203   103.28
1871.45    0.203   101.40
1872.45    0.203    99.51
1873.45    0.204    97.64
1874.45    0.204    95.77
1875.45    0.205    93.93
1876.45    0.207    92.10
1877.45    0.208    90.29
1878.45    0.209    88.51
1879.45    0.211    86.75
1880.45    0.213    85.02
1881.45    0.215    83.32
1882.45    0.217    81.65
1883.45    0.219    80.02
1884.45    0.221    78.42
1885.45    0.224    76.85
1886.45    0.226    75.32
1887.45    0.229    73.83
1888.45    0.232    72.37
1889.45    0.235    70.95
1890.45    0.238    69.56
1891.45    0.241    68.21
1892.45    0.244    66.89
1893.45    0.247    65.60
1894.45    0.251    64.35
1895.45    0.254    63.14
1896.45    0.257    61.95
1897.45    0.261    60.80
1898.45    0.264    59.67
1899.45    0.268    58.57
1900.45    0.271    57.51
1901.45    0.275    56.47
1902.45    0.278    55.45
1903.45    0.282    54.46
1904.45    0.285    53.49
1905.45    0.288    52.55
1906.45    0.292    51.63
1907.45    0.295    50.72
1908.45    0.298    49.84
1909.45    0.301    48.98
1910.45    0.304    48.13
1911.45    0.307    47.30
1912.45    0.310    46.48
1913.45    0.312    45.68
1914.45    0.315    44.90
1915.45    0.317    44.12
1916.45    0.319    43.35
1917.45    0.321    42.60
1918.45    0.323    41.85
1919.45    0.324    41.11
1920.45    0.325    40.37
1921.45    0.326    39.64
1922.45    0.326    38.91
1923.45    0.326    38.19
1924.45    0.326    37.46
1925.45    0.325    36.72
1926.45    0.323    35.99
1927.45    0.321    35.24
1928.45    0.318    34.48
1929.45    0.314    33.70
1930.45    0.309    32.90
1931.45    0.303    32.07
1932.45    0.296    31.20
1933.45    0.287    30.29
1934.45    0.276    29.31
1935.45    0.264    28.25
1936.45    0.249    27.07
1937.45    0.231    25.73
1938.45    0.211    24.14
1939.45    0.187    22.18
1940.45    0.160    19.61
1941.45    0.130    15.89
1942.45    0.097     9.76
1943.45    0.064   357.18
1944.45    0.038   322.95
1945.45    0.042   263.74
1946.45    0.071   236.74
1947.45    0.105   226.36
1948.45    0.140   221.09
1949.45    0.173   217.87
1950.45    0.204   215.67
1951.45    0.234   214.04
1952.45    0.262   212.78
1953.45    0.288   211.75
1954.45    0.314   210.90
1955.45    0.337   210.16
1956.45    0.360   209.52
1957.45    0.381   208.96
1958.45    0.401   208.45
1959.45    0.421   207.99
1960.45    0.439   207.57
1961.45    0.456   207.18
1962.45    0.473   206.83
1963.45    0.489   206.49
1964.45    0.504   206.18
1965.45    0.519   205.88
1966.45    0.533   205.60
1967.45    0.546   205.33
1968.45    0.559   205.08
1969.45    0.571   204.83
1970.45    0.583   204.60
1971.45    0.594   204.38
1972.45    0.605   204.16
1973.45    0.616   203.95
1974.45    0.626   203.75
1975.45    0.636   203.56
1976.45    0.645   203.37
1977.45    0.654   203.18
1978.45    0.663   203.00
1979.45    0.671   202.83
1980.45    0.679   202.66
1981.45    0.687   202.49
1982.45    0.694   202.33
1983.45    0.702   202.17
1984.45    0.709   202.02
1985.45    0.715   201.86
1986.45    0.722   201.71
1987.45    0.728   201.57
1988.45    0.734   201.42
1989.45    0.740   201.28
1990.45    0.746   201.14
1991.45    0.751   201.00
1992.45    0.756   200.86
1993.45    0.761   200.73
1994.45    0.766   200.59
1995.45    0.771   200.46
1996.45    0.775   200.33
1997.45    0.780   200.21
1998.45    0.784   200.08
1999.45    0.788   199.95
2000.45    0.792   199.83
2001.45    0.795   199.71
2002.45    0.799   199.58
2003.45    0.802   199.46
2004.45    0.805   199.34
2005.45    0.808   199.22
2006.45    0.811   199.10
2007.45    0.814   198.99
2008.45    0.817   198.87
2009.45    0.820   198.75
2010.45    0.822   198.64
2011.45    0.824   198.52
2012.45    0.826   198.41
2013.45    0.829   198.30
2014.45    0.831   198.19
2015.45    0.832   198.07
2016.45    0.834   197.96
2017.45    0.836   197.85
2018.45    0.837   197.74
2019.45    0.839   197.63
2020.45    0.840   197.52
2021.45    0.841   197.41
2022.45    0.842   197.30
2023.45    0.843   197.19
2024.45    0.844   197.08
2025.45    0.845   196.97
2026.45    0.846   196.86
2027.45    0.847   196.76
2028.45    0.847   196.65
2029.45    0.848   196.54
2030.45    0.848   196.43
2031.45    0.849   196.32
2032.45    0.849   196.22
2033.45    0.849   196.11
2034.45    0.849   196.00
2035.45    0.849   195.89
2036.45    0.849   195.79
2037.45    0.849   195.68
2038.45    0.849   195.57
2039.45    0.848   195.46
2040.45    0.848   195.36
2041.45    0.848   195.25
2042.45    0.847   195.14
2043.45    0.846   195.03
2044.45    0.846   194.92
2045.45    0.845   194.81
2046.45    0.844   194.71
2047.45    0.844   194.60
2048.45    0.843   194.49
2049.45    0.842   194.38
2050.45    0.841   194.27
2051.45    0.839   194.16
2052.45    0.838   194.05
2053.45    0.837   193.94
2054.45    0.836   193.83
2055.45    0.835   193.72
2056.45    0.833   193.60
2057.45    0.832   193.49
2058.45    0.830   193.38
2059.45    0.829   193.27
2060.45    0.827   193.15
2061.45    0.825   193.04
2062.45    0.824   192.93
2063.45    0.822   192.81
2064.45    0.820   192.70
2065.45    0.818   192.58
2066.45    0.816   192.46
2067.45    0.814   192.35
2068.45    0.812   192.23
2069.45    0.810   192.11
2070.45    0.808   191.99
2071.45    0.806   191.87
2072.45    0.803   191.75
2073.45    0.801   191.63
2074.45    0.799   191.51
2075.45    0.796   191.39
2076.45    0.794   191.27
2077.45    0.792   191.15
2078.45    0.789   191.02
2079.45    0.786   190.90
2080.45    0.784   190.77
2081.45    0.781   190.64
2082.45    0.779   190.52
2083.45    0.776   190.39
2084.45    0.773   190.26
2085.45    0.770   190.13
2086.45    0.767   190.00
2087.45    0.764   189.86
2088.45    0.761   189.73
2089.45    0.759   189.60
2090.45    0.755   189.46
2091.45    0.752   189.32
2092.45    0.749   189.19
2093.45    0.746   189.05
2094.45    0.743   188.91
2095.45    0.740   188.77
2096.45    0.737   188.63
2097.45    0.733   188.48
2098.45    0.730   188.34
2099.45    0.727   188.19
2100.45    0.723   188.04
2101.45    0.720   187.89
2102.45    0.716   187.74
2103.45    0.713   187.59
2104.45    0.709   187.44
2105.45    0.706   187.28
2106.45    0.702   187.13
2107.45    0.698   186.97
2108.45    0.695   186.81
2109.45    0.691   186.65
2110.45    0.687   186.48
2111.45    0.684   186.32
2112.45    0.680   186.15
2113.45    0.676   185.98
2114.45    0.672   185.81
2115.45    0.668   185.64
2116.45    0.664   185.46
2117.45    0.660   185.29
2118.45    0.656   185.11
2119.45    0.652   184.93
2120.45    0.648   184.74
2121.45    0.644   184.56
2122.45    0.640   184.37
2123.45    0.636   184.18
2124.45    0.632   183.99
2125.45    0.628   183.79
2126.45    0.624   183.59
2127.45    0.619   183.39
2128.45    0.615   183.19
2129.45    0.611   182.98
2130.45    0.607   182.77
2131.45    0.602   182.56
2132.45    0.598   182.35
2133.45    0.594   182.13
2134.45    0.589   181.90
2135.45    0.585   181.68
2136.45    0.580   181.45
2137.45    0.576   181.22
2138.45    0.571   180.98
2139.45    0.567   180.74
2140.45    0.562   180.50
2141.45    0.558   180.25
2142.45    0.553   180.00
2143.45    0.549   179.75
2144.45    0.544   179.49
2145.45    0.539   179.22
2146.45    0.535   178.95
2147.45    0.530   178.68
2148.45    0.525   178.40
2149.45    0.521   178.12
2150.45    0.516   177.83
2151.45    0.511   177.53
2152.45    0.507   177.23
2153.45    0.502   176.93
2154.45    0.497   176.62
2155.45    0.492   176.30
2156.45    0.487   175.98
2157.45    0.483   175.65
2158.45    0.478   175.31
2159.45    0.473   174.97
2160.45    0.468   174.62
2161.45    0.463   174.26
2162.45    0.458   173.90
2163.45    0.454   173.52
2164.45    0.449   173.14
2165.45    0.444   172.75
2166.45    0.439   172.35
2167.45    0.434   171.95
2168.45    0.429   171.53
2169.45    0.424   171.11
2170.45    0.419   170.67
2171.45    0.414   170.22
2172.45    0.410   169.77
2173.45    0.405   169.30
2174.45    0.400   168.82
2175.45    0.395   168.33
2176.45    0.390   167.82
2177.45    0.385   167.31
2178.45    0.380   166.78
2179.45    0.375   166.23
2180.45    0.371   165.68
2181.45    0.366   165.10
2182.45    0.361   164.52
2183.45    0.356   163.91
2184.45    0.351   163.29
2185.45    0.346   162.65
2186.45    0.342   162.00
2187.45    0.337   161.33
2188.45    0.332   160.63
2189.45    0.328   159.92
2190.45    0.323   159.19
2191.45    0.318   158.43
2192.45    0.314   157.65
2193.45    0.309   156.85
2194.45    0.305   156.03
2195.45    0.300   155.18
2196.45    0.296   154.31
2197.45    0.291   153.41
2198.45    0.287   152.48
2199.45    0.283   151.52
2200.45    0.278   150.54
2201.45    0.274   149.52
2202.45    0.270   148.47
2203.45    0.266   147.39
2204.45    0.262   146.28
2205.45    0.258   145.14






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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 17:16:34



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