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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:29:47
WDS:
COU307
WDS ID/Discoverer
P:
300.000
Orbital period (years)
a:
0.597
Semi-major axis (arcseconds)
i:
117.6
Inclination (degrees)
Ω:
59.1
Longitude of ascending node (degrees)
T:
1964.700
Epoch of periastron passage (year)
e:
0.76
Eccentricity
ω:
288.4
Longitude of periastron (degrees)
Start-Year:
1875.0
Year
End-Year:
2175.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
151834.84+235642.8
Epoch-2000 right ascension and declination
WDS-ID:
15186+2356
WDS designation
Discoverer Code:
COU307
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.5
Magnitude of the primary
V2:
9.6
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2017
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 0.374 348.5
-------------------------
1875.0 0.638 272.7
1876.0 0.638 272.4
1877.0 0.638 272.1
1878.0 0.638 271.8
1879.0 0.638 271.5
1880.0 0.637 271.1
1881.0 0.637 270.8
1882.0 0.637 270.5
1883.0 0.636 270.2
1884.0 0.636 269.9
1885.0 0.635 269.6
1886.0 0.634 269.2
1887.0 0.634 268.9
1888.0 0.633 268.6
1889.0 0.632 268.3
1890.0 0.631 267.9
1891.0 0.630 267.6
1892.0 0.629 267.3
1893.0 0.628 267.0
1894.0 0.626 266.6
1895.0 0.625 266.3
1896.0 0.624 266.0
1897.0 0.622 265.7
1898.0 0.621 265.3
1899.0 0.619 265.0
1900.0 0.617 264.6
1901.0 0.615 264.3
1902.0 0.613 264.0
1903.0 0.611 263.6
1904.0 0.609 263.3
1905.0 0.607 262.9
1906.0 0.605 262.6
1907.0 0.602 262.2
1908.0 0.600 261.9
1909.0 0.597 261.5
1910.0 0.594 261.1
1911.0 0.591 260.8
1912.0 0.588 260.4
1913.0 0.585 260.0
1914.0 0.582 259.7
1915.0 0.578 259.3
1916.0 0.575 258.9
1917.0 0.571 258.5
1918.0 0.567 258.1
1919.0 0.563 257.7
1920.0 0.559 257.3
1921.0 0.555 256.9
1922.0 0.550 256.4
1923.0 0.546 256.0
1924.0 0.541 255.6
1925.0 0.536 255.1
1926.0 0.531 254.7
1927.0 0.525 254.2
1928.0 0.520 253.8
1929.0 0.514 253.3
1930.0 0.508 252.8
1931.0 0.502 252.3
1932.0 0.495 251.8
1933.0 0.489 251.2
1934.0 0.481 250.7
1935.0 0.474 250.1
1936.0 0.467 249.5
1937.0 0.459 248.9
1938.0 0.450 248.3
1939.0 0.442 247.7
1940.0 0.433 247.0
1941.0 0.423 246.3
1942.0 0.414 245.5
1943.0 0.403 244.8
1944.0 0.393 244.0
1945.0 0.382 243.1
1946.0 0.370 242.2
1947.0 0.358 241.2
1948.0 0.345 240.2
1949.0 0.331 239.0
1950.0 0.317 237.8
1951.0 0.302 236.5
1952.0 0.286 235.0
1953.0 0.269 233.3
1954.0 0.251 231.4
1955.0 0.233 229.2
1956.0 0.213 226.6
1957.0 0.192 223.5
1958.0 0.170 219.5
1959.0 0.147 214.4
1960.0 0.124 207.3
1961.0 0.101 197.0
1962.0 0.082 181.3
1963.0 0.069 157.9
1964.0 0.070 130.3
1965.0 0.082 107.4
1966.0 0.102 91.8
1967.0 0.123 81.5
1968.0 0.144 74.2
1969.0 0.163 68.7
1970.0 0.180 64.4
1971.0 0.196 60.7
1972.0 0.210 57.6
1973.0 0.222 54.9
1974.0 0.233 52.4
1975.0 0.243 50.1
1976.0 0.252 48.0
1977.0 0.260 46.0
1978.0 0.267 44.2
1979.0 0.273 42.4
1980.0 0.279 40.7
1981.0 0.284 39.1
1982.0 0.289 37.5
1983.0 0.293 36.0
1984.0 0.297 34.5
1985.0 0.301 33.1
1986.0 0.304 31.7
1987.0 0.307 30.3
1988.0 0.310 29.0
1989.0 0.313 27.6
1990.0 0.316 26.3
1991.0 0.318 25.0
1992.0 0.321 23.8
1993.0 0.323 22.5
1994.0 0.325 21.3
1995.0 0.327 20.1
1996.0 0.329 18.9
1997.0 0.330 17.7
1998.0 0.332 16.5
1999.0 0.334 15.4
2000.0 0.336 14.2
2001.0 0.337 13.1
2002.0 0.339 12.0
2003.0 0.340 10.8
2004.0 0.342 9.7
2005.0 0.343 8.6
2006.0 0.345 7.6
2007.0 0.346 6.5
2008.0 0.348 5.4
2009.0 0.349 4.3
2010.0 0.351 3.3
2011.0 0.352 2.2
2012.0 0.354 1.2
2013.0 0.355 0.2
2014.0 0.357 359.2
2015.0 0.358 358.2
2016.0 0.360 357.2
2017.0 0.361 356.2
2018.0 0.363 355.2
2019.0 0.364 354.2
2020.0 0.366 353.2
2021.0 0.367 352.3
2022.0 0.369 351.3
2023.0 0.371 350.4
2024.0 0.372 349.5
2025.0 0.374 348.5
2026.0 0.376 347.6
2027.0 0.377 346.7
2028.0 0.379 345.8
2029.0 0.381 344.9
2030.0 0.383 344.0
2031.0 0.384 343.2
2032.0 0.386 342.3
2033.0 0.388 341.4
2034.0 0.390 340.6
2035.0 0.392 339.7
2036.0 0.394 338.9
2037.0 0.395 338.1
2038.0 0.397 337.3
2039.0 0.399 336.4
2040.0 0.401 335.6
2041.0 0.403 334.8
2042.0 0.405 334.1
2043.0 0.407 333.3
2044.0 0.409 332.5
2045.0 0.412 331.7
2046.0 0.414 331.0
2047.0 0.416 330.2
2048.0 0.418 329.5
2049.0 0.420 328.8
2050.0 0.422 328.0
2051.0 0.424 327.3
2052.0 0.426 326.6
2053.0 0.429 325.9
2054.0 0.431 325.2
2055.0 0.433 324.5
2056.0 0.435 323.8
2057.0 0.438 323.2
2058.0 0.440 322.5
2059.0 0.442 321.8
2060.0 0.444 321.2
2061.0 0.447 320.5
2062.0 0.449 319.9
2063.0 0.451 319.2
2064.0 0.454 318.6
2065.0 0.456 318.0
2066.0 0.458 317.4
2067.0 0.461 316.8
2068.0 0.463 316.2
2069.0 0.465 315.6
2070.0 0.468 315.0
2071.0 0.470 314.4
2072.0 0.472 313.8
2073.0 0.475 313.2
2074.0 0.477 312.7
2075.0 0.479 312.1
2076.0 0.482 311.5
2077.0 0.484 311.0
2078.0 0.486 310.4
2079.0 0.489 309.9
2080.0 0.491 309.4
2081.0 0.494 308.8
2082.0 0.496 308.3
2083.0 0.498 307.8
2084.0 0.501 307.3
2085.0 0.503 306.8
2086.0 0.505 306.2
2087.0 0.508 305.7
2088.0 0.510 305.2
2089.0 0.512 304.8
2090.0 0.515 304.3
2091.0 0.517 303.8
2092.0 0.519 303.3
2093.0 0.522 302.8
2094.0 0.524 302.4
2095.0 0.526 301.9
2096.0 0.528 301.4
2097.0 0.531 301.0
2098.0 0.533 300.5
2099.0 0.535 300.1
2100.0 0.537 299.6
2101.0 0.540 299.2
2102.0 0.542 298.7
2103.0 0.544 298.3
2104.0 0.546 297.9
2105.0 0.548 297.4
2106.0 0.551 297.0
2107.0 0.553 296.6
2108.0 0.555 296.2
2109.0 0.557 295.7
2110.0 0.559 295.3
2111.0 0.561 294.9
2112.0 0.563 294.5
2113.0 0.565 294.1
2114.0 0.567 293.7
2115.0 0.569 293.3
2116.0 0.571 292.9
2117.0 0.573 292.5
2118.0 0.575 292.1
2119.0 0.577 291.7
2120.0 0.579 291.3
2121.0 0.581 291.0
2122.0 0.583 290.6
2123.0 0.585 290.2
2124.0 0.586 289.8
2125.0 0.588 289.5
2126.0 0.590 289.1
2127.0 0.592 288.7
2128.0 0.594 288.4
2129.0 0.595 288.0
2130.0 0.597 287.6
2131.0 0.599 287.3
2132.0 0.600 286.9
2133.0 0.602 286.5
2134.0 0.603 286.2
2135.0 0.605 285.8
2136.0 0.607 285.5
2137.0 0.608 285.1
2138.0 0.609 284.8
2139.0 0.611 284.4
2140.0 0.612 284.1
2141.0 0.614 283.8
2142.0 0.615 283.4
2143.0 0.616 283.1
2144.0 0.618 282.7
2145.0 0.619 282.4
2146.0 0.620 282.1
2147.0 0.621 281.7
2148.0 0.622 281.4
2149.0 0.624 281.1
2150.0 0.625 280.7
2151.0 0.626 280.4
2152.0 0.627 280.1
2153.0 0.628 279.8
2154.0 0.629 279.4
2155.0 0.630 279.1
2156.0 0.630 278.8
2157.0 0.631 278.5
2158.0 0.632 278.1
2159.0 0.633 277.8
2160.0 0.633 277.5
2161.0 0.634 277.2
2162.0 0.635 276.8
2163.0 0.635 276.5
2164.0 0.636 276.2
2165.0 0.636 275.9
2166.0 0.637 275.6
2167.0 0.637 275.3
2168.0 0.637 274.9
2169.0 0.638 274.6
2170.0 0.638 274.3
2171.0 0.638 274.0
2172.0 0.638 273.7
2173.0 0.638 273.4
2174.0 0.638 273.0
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