Double Star Calculator - Orbit

Orbital Elements for COU1136
WDS: COU1136 WDS ID/Discoverer
P: 250.000 Orbital period (years)
a: 0.431 Semi-major axis (arcseconds)
i: 109.8 Inclination (degrees)
Ω: 76.9 Longitude of ascending node (degrees)
T: 2009.500 Epoch of periastron passage (year)
e: 0.835 Eccentricity
ω: 65.9 Longitude of periastron (degrees)
Start-Year: 1900.0 Year
End-Year: 2150.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU1136
Position: 145849.32+355058.7 Epoch-2000 right ascension and declination
WDS-ID: 14588+3551 WDS designation
Discoverer Code: COU1136 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 132583 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.9 Magnitude of the primary
V2: 10.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2007 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: Doc2010h Reference

Double Star Orbit for COU1136



WDS 6th Orbit including measures of COU1136

-- 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 COU1136
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.289   250.28
--------------------------
1900.00    0.369   214.61
1901.00    0.367   214.25
1902.00    0.364   213.87
1903.00    0.362   213.49
1904.00    0.359   213.11
1905.00    0.356   212.72
1906.00    0.354   212.32
1907.00    0.351   211.92
1908.00    0.348   211.52
1909.00    0.346   211.10
1910.00    0.343   210.68
1911.00    0.340   210.25
1912.00    0.338   209.82
1913.00    0.335   209.38
1914.00    0.332   208.93
1915.00    0.329   208.47
1916.00    0.326   208.01
1917.00    0.324   207.54
1918.00    0.321   207.06
1919.00    0.318   206.57
1920.00    0.315   206.07
1921.00    0.312   205.56
1922.00    0.309   205.05
1923.00    0.306   204.52
1924.00    0.303   203.98
1925.00    0.300   203.43
1926.00    0.297   202.88
1927.00    0.294   202.31
1928.00    0.291   201.72
1929.00    0.288   201.13
1930.00    0.285   200.52
1931.00    0.282   199.91
1932.00    0.279   199.27
1933.00    0.276   198.63
1934.00    0.273   197.97
1935.00    0.270   197.29
1936.00    0.267   196.60
1937.00    0.264   195.90
1938.00    0.261   195.17
1939.00    0.258   194.44
1940.00    0.255   193.68
1941.00    0.252   192.90
1942.00    0.249   192.11
1943.00    0.246   191.30
1944.00    0.243   190.47
1945.00    0.240   189.61
1946.00    0.237   188.74
1947.00    0.234   187.84
1948.00    0.231   186.92
1949.00    0.229   185.98
1950.00    0.226   185.01
1951.00    0.223   184.02
1952.00    0.220   183.00
1953.00    0.217   181.96
1954.00    0.214   180.89
1955.00    0.212   179.79
1956.00    0.209   178.66
1957.00    0.206   177.50
1958.00    0.203   176.31
1959.00    0.201   175.09
1960.00    0.198   173.84
1961.00    0.196   172.56
1962.00    0.193   171.24
1963.00    0.191   169.89
1964.00    0.188   168.50
1965.00    0.186   167.08
1966.00    0.184   165.62
1967.00    0.182   164.13
1968.00    0.180   162.60
1969.00    0.178   161.04
1970.00    0.176   159.44
1971.00    0.174   157.81
1972.00    0.172   156.14
1973.00    0.170   154.43
1974.00    0.168   152.69
1975.00    0.167   150.92
1976.00    0.165   149.11
1977.00    0.164   147.27
1978.00    0.163   145.40
1979.00    0.161   143.50
1980.00    0.160   141.57
1981.00    0.159   139.62
1982.00    0.158   137.64
1983.00    0.157   135.63
1984.00    0.156   133.61
1985.00    0.156   131.56
1986.00    0.155   129.49
1987.00    0.154   127.41
1988.00    0.154   125.30
1989.00    0.153   123.19
1990.00    0.153   121.05
1991.00    0.152   118.90
1992.00    0.151   116.74
1993.00    0.151   114.56
1994.00    0.150   112.36
1995.00    0.149   110.14
1996.00    0.148   107.89
1997.00    0.147   105.61
1998.00    0.146   103.29
1999.00    0.144   100.93
2000.00    0.142    98.49
2001.00    0.139    95.97
2002.00    0.136    93.34
2003.00    0.131    90.53
2004.00    0.125    87.49
2005.00    0.117    84.09
2006.00    0.106    80.11
2007.00    0.092    75.06
2008.00    0.073    67.71
2009.00    0.049    53.84
2010.00    0.027    13.65
2011.00    0.034   306.16
2012.00    0.060   281.60
2013.00    0.087   272.14
2014.00    0.111   267.01
2015.00    0.133   263.66
2016.00    0.153   261.23
2017.00    0.171   259.33
2018.00    0.188   257.79
2019.00    0.203   256.48
2020.00    0.217   255.35
2021.00    0.230   254.35
2022.00    0.242   253.46
2023.00    0.254   252.65
2024.00    0.265   251.91
2025.00    0.275   251.22
2026.00    0.284   250.58
2027.00    0.293   249.98
2028.00    0.302   249.42
2029.00    0.310   248.89
2030.00    0.318   248.38
2031.00    0.325   247.90
2032.00    0.332   247.44
2033.00    0.339   246.99
2034.00    0.345   246.57
2035.00    0.351   246.15
2036.00    0.357   245.76
2037.00    0.363   245.37
2038.00    0.368   245.00
2039.00    0.373   244.63
2040.00    0.378   244.28
2041.00    0.382   243.94
2042.00    0.387   243.60
2043.00    0.391   243.27
2044.00    0.395   242.95
2045.00    0.399   242.63
2046.00    0.403   242.32
2047.00    0.407   242.02
2048.00    0.410   241.72
2049.00    0.413   241.42
2050.00    0.417   241.13
2051.00    0.420   240.85
2052.00    0.422   240.57
2053.00    0.425   240.29
2054.00    0.428   240.02
2055.00    0.430   239.75
2056.00    0.433   239.48
2057.00    0.435   239.21
2058.00    0.437   238.95
2059.00    0.439   238.69
2060.00    0.441   238.43
2061.00    0.443   238.18
2062.00    0.445   237.93
2063.00    0.446   237.67
2064.00    0.448   237.43
2065.00    0.449   237.18
2066.00    0.451   236.93
2067.00    0.452   236.69
2068.00    0.453   236.44
2069.00    0.455   236.20
2070.00    0.456   235.96
2071.00    0.457   235.72
2072.00    0.457   235.48
2073.00    0.458   235.24
2074.00    0.459   235.01
2075.00    0.460   234.77
2076.00    0.460   234.54
2077.00    0.461   234.30
2078.00    0.461   234.07
2079.00    0.462   233.83
2080.00    0.462   233.60
2081.00    0.462   233.37
2082.00    0.463   233.13
2083.00    0.463   232.90
2084.00    0.463   232.67
2085.00    0.463   232.43
2086.00    0.463   232.20
2087.00    0.463   231.97
2088.00    0.462   231.73
2089.00    0.462   231.50
2090.00    0.462   231.27
2091.00    0.462   231.03
2092.00    0.461   230.80
2093.00    0.461   230.57
2094.00    0.460   230.33
2095.00    0.460   230.10
2096.00    0.459   229.86
2097.00    0.459   229.62
2098.00    0.458   229.39
2099.00    0.457   229.15
2100.00    0.457   228.91
2101.00    0.456   228.67
2102.00    0.455   228.43
2103.00    0.454   228.19
2104.00    0.453   227.94
2105.00    0.452   227.70
2106.00    0.451   227.46
2107.00    0.450   227.21
2108.00    0.449   226.96
2109.00    0.448   226.72
2110.00    0.446   226.47
2111.00    0.445   226.21
2112.00    0.444   225.96
2113.00    0.442   225.71
2114.00    0.441   225.45
2115.00    0.440   225.20
2116.00    0.438   224.94
2117.00    0.437   224.68
2118.00    0.435   224.41
2119.00    0.434   224.15
2120.00    0.432   223.88
2121.00    0.430   223.62
2122.00    0.429   223.35
2123.00    0.427   223.07
2124.00    0.425   222.80
2125.00    0.424   222.52
2126.00    0.422   222.24
2127.00    0.420   221.96
2128.00    0.418   221.68
2129.00    0.416   221.39
2130.00    0.414   221.10
2131.00    0.412   220.81
2132.00    0.410   220.51
2133.00    0.408   220.22
2134.00    0.406   219.92
2135.00    0.404   219.61
2136.00    0.402   219.31
2137.00    0.400   219.00
2138.00    0.398   218.68
2139.00    0.395   218.36
2140.00    0.393   218.04
2141.00    0.391   217.72
2142.00    0.389   217.39
2143.00    0.386   217.06
2144.00    0.384   216.72
2145.00    0.382   216.38
2146.00    0.379   216.04
2147.00    0.377   215.69
2148.00    0.374   215.33
2149.00    0.372   214.98






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 17:11:21



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