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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:37:19
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:
1929.0
Year
End-Year:
2121.0
Year
Epoch:
2025.0
Besselian Epoch
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' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.120 313.8
-------------------------
1929.0 0.368 118.2
1930.0 0.363 118.6
1931.0 0.358 119.1
1932.0 0.353 119.6
1933.0 0.348 120.1
1934.0 0.342 120.6
1935.0 0.337 121.1
1936.0 0.331 121.7
1937.0 0.325 122.3
1938.0 0.319 122.9
1939.0 0.313 123.5
1940.0 0.307 124.1
1941.0 0.301 124.8
1942.0 0.295 125.5
1943.0 0.288 126.2
1944.0 0.282 127.0
1945.0 0.275 127.8
1946.0 0.268 128.6
1947.0 0.262 129.5
1948.0 0.255 130.4
1949.0 0.248 131.4
1950.0 0.241 132.4
1951.0 0.234 133.5
1952.0 0.227 134.6
1953.0 0.220 135.9
1954.0 0.213 137.2
1955.0 0.206 138.6
1956.0 0.199 140.1
1957.0 0.192 141.7
1958.0 0.186 143.4
1959.0 0.179 145.3
1960.0 0.172 147.3
1961.0 0.166 149.4
1962.0 0.159 151.8
1963.0 0.153 154.3
1964.0 0.147 157.1
1965.0 0.141 160.0
1966.0 0.136 163.2
1967.0 0.131 166.7
1968.0 0.126 170.5
1969.0 0.122 174.5
1970.0 0.118 178.7
1971.0 0.115 183.3
1972.0 0.113 188.0
1973.0 0.112 192.9
1974.0 0.111 197.9
1975.0 0.111 202.9
1976.0 0.111 207.9
1977.0 0.113 212.9
1978.0 0.115 217.6
1979.0 0.117 222.2
1980.0 0.121 226.5
1981.0 0.125 230.6
1982.0 0.129 234.5
1983.0 0.134 238.0
1984.0 0.139 241.4
1985.0 0.144 244.4
1986.0 0.150 247.3
1987.0 0.156 249.9
1988.0 0.161 252.4
1989.0 0.167 254.7
1990.0 0.173 256.8
1991.0 0.179 258.8
1992.0 0.185 260.6
1993.0 0.190 262.4
1994.0 0.196 264.1
1995.0 0.201 265.6
1996.0 0.206 267.1
1997.0 0.211 268.5
1998.0 0.215 269.9
1999.0 0.219 271.2
2000.0 0.223 272.4
2001.0 0.226 273.7
2002.0 0.229 274.8
2003.0 0.232 276.0
2004.0 0.233 277.1
2005.0 0.235 278.3
2006.0 0.235 279.4
2007.0 0.235 280.5
2008.0 0.235 281.6
2009.0 0.233 282.7
2010.0 0.231 283.9
2011.0 0.228 285.0
2012.0 0.225 286.2
2013.0 0.220 287.5
2014.0 0.215 288.8
2015.0 0.209 290.2
2016.0 0.203 291.6
2017.0 0.195 293.2
2018.0 0.188 294.8
2019.0 0.179 296.7
2020.0 0.170 298.7
2021.0 0.160 301.0
2022.0 0.150 303.5
2023.0 0.140 306.4
2024.0 0.130 309.8
2025.0 0.120 313.8
2026.0 0.110 318.5
2027.0 0.100 324.1
2028.0 0.091 330.8
2029.0 0.084 338.9
2030.0 0.078 348.4
2031.0 0.074 359.1
2032.0 0.073 10.5
2033.0 0.075 21.8
2034.0 0.079 32.3
2035.0 0.085 41.5
2036.0 0.093 49.3
2037.0 0.102 55.7
2038.0 0.112 61.1
2039.0 0.123 65.6
2040.0 0.134 69.3
2041.0 0.145 72.5
2042.0 0.156 75.2
2043.0 0.168 77.5
2044.0 0.179 79.6
2045.0 0.190 81.4
2046.0 0.201 83.0
2047.0 0.212 84.5
2048.0 0.222 85.8
2049.0 0.233 87.0
2050.0 0.243 88.1
2051.0 0.253 89.1
2052.0 0.263 90.0
2053.0 0.272 90.8
2054.0 0.282 91.7
2055.0 0.291 92.4
2056.0 0.299 93.1
2057.0 0.308 93.8
2058.0 0.316 94.4
2059.0 0.324 95.0
2060.0 0.332 95.6
2061.0 0.339 96.1
2062.0 0.346 96.7
2063.0 0.353 97.2
2064.0 0.360 97.7
2065.0 0.366 98.1
2066.0 0.372 98.6
2067.0 0.378 99.0
2068.0 0.383 99.4
2069.0 0.389 99.8
2070.0 0.394 100.3
2071.0 0.398 100.6
2072.0 0.403 101.0
2073.0 0.407 101.4
2074.0 0.411 101.8
2075.0 0.415 102.1
2076.0 0.419 102.5
2077.0 0.422 102.8
2078.0 0.425 103.2
2079.0 0.428 103.5
2080.0 0.430 103.9
2081.0 0.433 104.2
2082.0 0.435 104.5
2083.0 0.437 104.8
2084.0 0.439 105.2
2085.0 0.440 105.5
2086.0 0.442 105.8
2087.0 0.443 106.1
2088.0 0.444 106.4
2089.0 0.444 106.7
2090.0 0.445 107.0
2091.0 0.445 107.4
2092.0 0.445 107.7
2093.0 0.445 108.0
2094.0 0.445 108.3
2095.0 0.444 108.6
2096.0 0.444 108.9
2097.0 0.443 109.2
2098.0 0.442 109.5
2099.0 0.441 109.9
2100.0 0.439 110.2
2101.0 0.438 110.5
2102.0 0.436 110.8
2103.0 0.434 111.1
2104.0 0.432 111.5
2105.0 0.429 111.8
2106.0 0.427 112.1
2107.0 0.424 112.5
2108.0 0.422 112.8
2109.0 0.419 113.2
2110.0 0.415 113.5
2111.0 0.412 113.9
2112.0 0.409 114.3
2113.0 0.405 114.6
2114.0 0.401 115.0
2115.0 0.398 115.4
2116.0 0.393 115.8
2117.0 0.389 116.2
2118.0 0.385 116.6
2119.0 0.381 117.0
2120.0 0.376 117.5
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
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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