Double Star Calculator - Orbit

Orbital Elements for COU2244
WDS: COU2244 WDS ID/Discoverer
P: 192.600 Orbital period (years)
a: 0.347 Semi-major axis (arcseconds)
i: 72.9 Inclination (degrees)
Ω: 103.9 Longitude of ascending node (degrees)
T: 2018.200 Epoch of periastron passage (year)
e: 0.365 Eccentricity
ω: 214.2 Longitude of periastron (degrees)
Start-Year: 1928.7 Year
End-Year: 2121.3 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COU2244
Position: 225239.94+434720.5 Epoch-2000 right ascension and declination
WDS-ID: 22527+4347 WDS designation
Discoverer Code: COU2244 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 216488 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.7 Magnitude of the primary
V2: 8.7 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 COU2244



WDS 6th Orbit including measures of COU2244

-- 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 COU2244
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.105   321.15
--------------------------
1928.70    0.370   118.03
1929.70    0.365   118.49
1930.70    0.360   118.96
1931.70    0.355   119.44
1932.70    0.349   119.94
1933.70    0.344   120.45
1934.70    0.338   120.98
1935.70    0.333   121.53
1936.70    0.327   122.09
1937.70    0.321   122.68
1938.70    0.315   123.29
1939.70    0.309   123.92
1940.70    0.303   124.58
1941.70    0.296   125.27
1942.70    0.290   125.98
1943.70    0.284   126.73
1944.70    0.277   127.52
1945.70    0.270   128.34
1946.70    0.264   129.20
1947.70    0.257   130.11
1948.70    0.250   131.07
1949.70    0.243   132.08
1950.70    0.236   133.16
1951.70    0.229   134.29
1952.70    0.222   135.50
1953.70    0.215   136.79
1954.70    0.208   138.16
1955.70    0.201   139.63
1956.70    0.195   141.20
1957.70    0.188   142.89
1958.70    0.181   144.70
1959.70    0.174   146.66
1960.70    0.167   148.77
1961.70    0.161   151.06
1962.70    0.155   153.53
1963.70    0.149   156.21
1964.70    0.143   159.11
1965.70    0.137   162.25
1966.70    0.132   165.65
1967.70    0.127   169.31
1968.70    0.123   173.24
1969.70    0.119   177.43
1970.70    0.116   181.87
1971.70    0.114   186.54
1972.70    0.112   191.38
1973.70    0.111   196.36
1974.70    0.110   201.39
1975.70    0.111   206.43
1976.70    0.112   211.39
1977.70    0.114   216.21
1978.70    0.117   220.85
1979.70    0.120   225.27
1980.70    0.123   229.44
1981.70    0.128   233.35
1982.70    0.132   236.99
1983.70    0.137   240.38
1984.70    0.143   243.53
1985.70    0.148   246.45
1986.70    0.154   249.15
1987.70    0.160   251.66
1988.70    0.165   254.00
1989.70    0.171   256.17
1990.70    0.177   258.20
1991.70    0.183   260.10
1992.70    0.189   261.89
1993.70    0.194   263.57
1994.70    0.200   265.16
1995.70    0.205   266.67
1996.70    0.209   268.11
1997.70    0.214   269.48
1998.70    0.218   270.80
1999.70    0.222   272.07
2000.70    0.226   273.30
2001.70    0.229   274.49
2002.70    0.231   275.66
2003.70    0.233   276.80
2004.70    0.234   277.93
2005.70    0.235   279.05
2006.70    0.235   280.16
2007.70    0.235   281.28
2008.70    0.234   282.40
2009.70    0.232   283.53
2010.70    0.229   284.69
2011.70    0.226   285.88
2012.70    0.222   287.11
2013.70    0.217   288.40
2014.70    0.211   289.74
2015.70    0.205   291.17
2016.70    0.198   292.69
2017.70    0.190   294.33
2018.70    0.182   296.11
2019.70    0.173   298.08
2020.70    0.163   300.26
2021.70    0.153   302.72
2022.70    0.143   305.52
2023.70    0.133   308.75
2024.70    0.123   312.52
2025.70    0.113   316.97
2026.70    0.103   322.29
2027.70    0.094   328.68
2028.70    0.086   336.34
2029.70    0.079   345.40
2030.70    0.075   355.77
2031.70    0.073     7.03
2032.70    0.074    18.47
2033.70    0.077    29.27
2034.70    0.083    38.88
2035.70    0.091    47.07
2036.70    0.099    53.92
2037.70    0.109    59.59
2038.70    0.120    64.30
2039.70    0.131    68.25
2040.70    0.142    71.58
2041.70    0.153    74.42
2042.70    0.164    76.88
2043.70    0.175    79.02
2044.70    0.187    80.90
2045.70    0.198    82.57
2046.70    0.209    84.06
2047.70    0.219    85.41
2048.70    0.230    86.63
2049.70    0.240    87.74
2050.70    0.250    88.77
2051.70    0.260    89.72
2052.70    0.270    90.60
2053.70    0.279    91.41
2054.70    0.288    92.18
2055.70    0.297    92.90
2056.70    0.305    93.58
2057.70    0.314    94.23
2058.70    0.322    94.84
2059.70    0.329    95.42
2060.70    0.337    95.97
2061.70    0.344    96.51
2062.70    0.351    97.02
2063.70    0.358    97.51
2064.70    0.364    97.98
2065.70    0.370    98.44
2066.70    0.376    98.88
2067.70    0.382    99.31
2068.70    0.387    99.73
2069.70    0.392   100.13
2070.70    0.397   100.53
2071.70    0.402   100.92
2072.70    0.406   101.29
2073.70    0.410   101.66
2074.70    0.414   102.03
2075.70    0.418   102.38
2076.70    0.421   102.73
2077.70    0.424   103.08
2078.70    0.427   103.42
2079.70    0.430   103.75
2080.70    0.432   104.09
2081.70    0.434   104.41
2082.70    0.436   104.74
2083.70    0.438   105.06
2084.70    0.440   105.38
2085.70    0.441   105.70
2086.70    0.442   106.01
2087.70    0.443   106.33
2088.70    0.444   106.64
2089.70    0.445   106.95
2090.70    0.445   107.26
2091.70    0.445   107.57
2092.70    0.445   107.89
2093.70    0.445   108.20
2094.70    0.445   108.51
2095.70    0.444   108.82
2096.70    0.443   109.13
2097.70    0.442   109.45
2098.70    0.441   109.76
2099.70    0.440   110.08
2100.70    0.438   110.40
2101.70    0.436   110.72
2102.70    0.434   111.05
2103.70    0.432   111.38
2104.70    0.430   111.71
2105.70    0.428   112.04
2106.70    0.425   112.38
2107.70    0.422   112.72
2108.70    0.419   113.07
2109.70    0.416   113.43
2110.70    0.413   113.78
2111.70    0.410   114.15
2112.70    0.406   114.52
2113.70    0.403   114.89
2114.70    0.399   115.28
2115.70    0.395   115.67
2116.70    0.391   116.07
2117.70    0.386   116.48
2118.70    0.382   116.89
2119.70    0.377   117.32
2120.70    0.373   117.76






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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 18:44:38



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