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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:25:53
WDS:
COU99
WDS ID/Discoverer
P:
321.300
Orbital period (years)
a:
0.599
Semi-major axis (arcseconds)
i:
146.2
Inclination (degrees)
Ω:
39.7
Longitude of ascending node (degrees)
T:
1902.000
Epoch of periastron passage (year)
e:
0.128
Eccentricity
ω:
58.6
Longitude of periastron (degrees)
Start-Year:
1865.0
Year
End-Year:
2185.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
144313.12+224547.5
Epoch-2000 right ascension and declination
WDS-ID:
14432+2246
WDS designation
Discoverer Code:
COU99
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
11.0
Magnitude of the primary
V2:
11.5
Magnitude of the secondary
Equinox:
Equinox
Date:
2016
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 0.641 198.4
-------------------------
1865.0 0.546 34.6
1866.0 0.544 33.4
1867.0 0.542 32.3
1868.0 0.540 31.2
1869.0 0.539 30.0
1870.0 0.537 28.9
1871.0 0.535 27.7
1872.0 0.533 26.6
1873.0 0.530 25.4
1874.0 0.528 24.2
1875.0 0.526 23.0
1876.0 0.524 21.8
1877.0 0.522 20.6
1878.0 0.519 19.4
1879.0 0.517 18.2
1880.0 0.514 16.9
1881.0 0.512 15.7
1882.0 0.509 14.4
1883.0 0.507 13.1
1884.0 0.504 11.8
1885.0 0.502 10.5
1886.0 0.499 9.2
1887.0 0.497 7.8
1888.0 0.494 6.5
1889.0 0.491 5.1
1890.0 0.489 3.7
1891.0 0.486 2.3
1892.0 0.483 0.9
1893.0 0.481 359.5
1894.0 0.478 358.1
1895.0 0.476 356.6
1896.0 0.473 355.1
1897.0 0.471 353.7
1898.0 0.469 352.2
1899.0 0.466 350.6
1900.0 0.464 349.1
1901.0 0.462 347.6
1902.0 0.460 346.0
1903.0 0.458 344.4
1904.0 0.456 342.8
1905.0 0.454 341.2
1906.0 0.452 339.6
1907.0 0.450 338.0
1908.0 0.449 336.4
1909.0 0.447 334.7
1910.0 0.446 333.0
1911.0 0.445 331.4
1912.0 0.444 329.7
1913.0 0.443 328.0
1914.0 0.442 326.3
1915.0 0.441 324.6
1916.0 0.441 322.9
1917.0 0.440 321.2
1918.0 0.440 319.5
1919.0 0.440 317.8
1920.0 0.440 316.1
1921.0 0.440 314.4
1922.0 0.440 312.6
1923.0 0.441 310.9
1924.0 0.442 309.2
1925.0 0.442 307.5
1926.0 0.443 305.9
1927.0 0.444 304.2
1928.0 0.445 302.5
1929.0 0.447 300.8
1930.0 0.448 299.2
1931.0 0.450 297.5
1932.0 0.452 295.9
1933.0 0.454 294.3
1934.0 0.455 292.7
1935.0 0.458 291.1
1936.0 0.460 289.5
1937.0 0.462 288.0
1938.0 0.465 286.4
1939.0 0.467 284.9
1940.0 0.470 283.4
1941.0 0.472 281.9
1942.0 0.475 280.4
1943.0 0.478 279.0
1944.0 0.481 277.5
1945.0 0.484 276.1
1946.0 0.487 274.7
1947.0 0.490 273.3
1948.0 0.493 271.9
1949.0 0.496 270.6
1950.0 0.500 269.2
1951.0 0.503 267.9
1952.0 0.506 266.6
1953.0 0.510 265.3
1954.0 0.513 264.1
1955.0 0.516 262.8
1956.0 0.520 261.6
1957.0 0.523 260.4
1958.0 0.527 259.2
1959.0 0.530 258.0
1960.0 0.533 256.8
1961.0 0.537 255.6
1962.0 0.540 254.5
1963.0 0.544 253.4
1964.0 0.547 252.3
1965.0 0.550 251.2
1966.0 0.553 250.1
1967.0 0.557 249.0
1968.0 0.560 247.9
1969.0 0.563 246.9
1970.0 0.566 245.8
1971.0 0.569 244.8
1972.0 0.572 243.8
1973.0 0.575 242.8
1974.0 0.578 241.8
1975.0 0.581 240.8
1976.0 0.584 239.8
1977.0 0.587 238.9
1978.0 0.590 237.9
1979.0 0.592 237.0
1980.0 0.595 236.0
1981.0 0.597 235.1
1982.0 0.600 234.2
1983.0 0.602 233.2
1984.0 0.605 232.3
1985.0 0.607 231.4
1986.0 0.609 230.5
1987.0 0.611 229.6
1988.0 0.613 228.8
1989.0 0.616 227.9
1990.0 0.617 227.0
1991.0 0.619 226.1
1992.0 0.621 225.3
1993.0 0.623 224.4
1994.0 0.625 223.6
1995.0 0.626 222.7
1996.0 0.628 221.9
1997.0 0.629 221.0
1998.0 0.630 220.2
1999.0 0.632 219.4
2000.0 0.633 218.6
2001.0 0.634 217.7
2002.0 0.635 216.9
2003.0 0.636 216.1
2004.0 0.637 215.3
2005.0 0.638 214.5
2006.0 0.639 213.6
2007.0 0.640 212.8
2008.0 0.640 212.0
2009.0 0.641 211.2
2010.0 0.641 210.4
2011.0 0.642 209.6
2012.0 0.642 208.8
2013.0 0.642 208.0
2014.0 0.643 207.2
2015.0 0.643 206.4
2016.0 0.643 205.6
2017.0 0.643 204.8
2018.0 0.643 204.0
2019.0 0.643 203.2
2020.0 0.643 202.4
2021.0 0.642 201.6
2022.0 0.642 200.8
2023.0 0.642 200.0
2024.0 0.641 199.2
2025.0 0.641 198.4
2026.0 0.640 197.6
2027.0 0.640 196.7
2028.0 0.639 195.9
2029.0 0.639 195.1
2030.0 0.638 194.3
2031.0 0.637 193.5
2032.0 0.636 192.7
2033.0 0.635 191.9
2034.0 0.634 191.0
2035.0 0.633 190.2
2036.0 0.632 189.4
2037.0 0.631 188.6
2038.0 0.630 187.7
2039.0 0.629 186.9
2040.0 0.628 186.0
2041.0 0.627 185.2
2042.0 0.626 184.4
2043.0 0.624 183.5
2044.0 0.623 182.7
2045.0 0.622 181.8
2046.0 0.620 180.9
2047.0 0.619 180.1
2048.0 0.617 179.2
2049.0 0.616 178.3
2050.0 0.614 177.5
2051.0 0.613 176.6
2052.0 0.611 175.7
2053.0 0.610 174.8
2054.0 0.608 173.9
2055.0 0.607 173.0
2056.0 0.605 172.1
2057.0 0.604 171.2
2058.0 0.602 170.3
2059.0 0.601 169.4
2060.0 0.599 168.5
2061.0 0.597 167.5
2062.0 0.596 166.6
2063.0 0.594 165.7
2064.0 0.592 164.7
2065.0 0.591 163.8
2066.0 0.589 162.8
2067.0 0.588 161.9
2068.0 0.586 160.9
2069.0 0.585 159.9
2070.0 0.583 159.0
2071.0 0.581 158.0
2072.0 0.580 157.0
2073.0 0.578 156.0
2074.0 0.577 155.0
2075.0 0.575 154.0
2076.0 0.574 153.0
2077.0 0.572 152.0
2078.0 0.571 151.0
2079.0 0.570 150.0
2080.0 0.568 149.0
2081.0 0.567 147.9
2082.0 0.566 146.9
2083.0 0.564 145.9
2084.0 0.563 144.8
2085.0 0.562 143.8
2086.0 0.561 142.7
2087.0 0.560 141.7
2088.0 0.558 140.6
2089.0 0.557 139.5
2090.0 0.556 138.5
2091.0 0.555 137.4
2092.0 0.554 136.3
2093.0 0.554 135.2
2094.0 0.553 134.2
2095.0 0.552 133.1
2096.0 0.551 132.0
2097.0 0.550 130.9
2098.0 0.550 129.8
2099.0 0.549 128.7
2100.0 0.548 127.6
2101.0 0.548 126.5
2102.0 0.547 125.4
2103.0 0.547 124.3
2104.0 0.547 123.2
2105.0 0.546 122.1
2106.0 0.546 121.0
2107.0 0.546 119.8
2108.0 0.545 118.7
2109.0 0.545 117.6
2110.0 0.545 116.5
2111.0 0.545 115.4
2112.0 0.545 114.3
2113.0 0.545 113.2
2114.0 0.545 112.0
2115.0 0.545 110.9
2116.0 0.545 109.8
2117.0 0.545 108.7
2118.0 0.546 107.6
2119.0 0.546 106.5
2120.0 0.546 105.4
2121.0 0.546 104.3
2122.0 0.547 103.1
2123.0 0.547 102.0
2124.0 0.547 100.9
2125.0 0.548 99.8
2126.0 0.548 98.7
2127.0 0.549 97.6
2128.0 0.549 96.5
2129.0 0.550 95.4
2130.0 0.550 94.3
2131.0 0.551 93.2
2132.0 0.551 92.1
2133.0 0.552 91.1
2134.0 0.553 90.0
2135.0 0.553 88.9
2136.0 0.554 87.8
2137.0 0.554 86.7
2138.0 0.555 85.6
2139.0 0.556 84.6
2140.0 0.556 83.5
2141.0 0.557 82.4
2142.0 0.557 81.4
2143.0 0.558 80.3
2144.0 0.559 79.2
2145.0 0.559 78.2
2146.0 0.560 77.1
2147.0 0.560 76.1
2148.0 0.561 75.0
2149.0 0.561 74.0
2150.0 0.562 72.9
2151.0 0.562 71.9
2152.0 0.563 70.8
2153.0 0.563 69.8
2154.0 0.563 68.7
2155.0 0.564 67.7
2156.0 0.564 66.6
2157.0 0.564 65.6
2158.0 0.564 64.5
2159.0 0.564 63.5
2160.0 0.565 62.5
2161.0 0.565 61.4
2162.0 0.565 60.4
2163.0 0.565 59.3
2164.0 0.564 58.3
2165.0 0.564 57.3
2166.0 0.564 56.2
2167.0 0.564 55.2
2168.0 0.563 54.1
2169.0 0.563 53.1
2170.0 0.563 52.1
2171.0 0.562 51.0
2172.0 0.562 50.0
2173.0 0.561 48.9
2174.0 0.560 47.8
2175.0 0.559 46.8
2176.0 0.558 45.7
2177.0 0.558 44.7
2178.0 0.557 43.6
2179.0 0.555 42.5
2180.0 0.554 41.4
2181.0 0.553 40.4
2182.0 0.552 39.3
2183.0 0.550 38.2
2184.0 0.549 37.1
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 .
www.stella-vega.de