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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:58:05
WDS:
STF511
WDS ID/Discoverer
P:
343.000
Orbital period (years)
a:
0.535
Semi-major axis (arcseconds)
i:
148.0
Inclination (degrees)
Ω:
128.5
Longitude of ascending node (degrees)
T:
1933.000
Epoch of periastron passage (year)
e:
0.31
Eccentricity
ω:
298.0
Longitude of periastron (degrees)
Start-Year:
1854.0
Year
End-Year:
2196.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
041755.70+584726.7
Epoch-2000 right ascension and declination
WDS-ID:
04179+5847
WDS designation
Discoverer Code:
STF511
Discover designation and components
ADS number:
3098
Aitken Double Star catalog
HD number:
26839
HD catalog number
Hipparcos number:
20046
Hipparcos catalog number
V1:
7.37
Magnitude of the primary
V2:
8.70
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.524 65.5
-------------------------
1854.0 0.565 308.2
1855.0 0.562 307.5
1856.0 0.559 306.7
1857.0 0.556 305.9
1858.0 0.553 305.1
1859.0 0.550 304.3
1860.0 0.547 303.5
1861.0 0.543 302.7
1862.0 0.540 301.9
1863.0 0.537 301.0
1864.0 0.533 300.2
1865.0 0.530 299.3
1866.0 0.526 298.5
1867.0 0.523 297.6
1868.0 0.519 296.7
1869.0 0.515 295.8
1870.0 0.512 294.9
1871.0 0.508 293.9
1872.0 0.504 293.0
1873.0 0.500 292.0
1874.0 0.496 291.1
1875.0 0.492 290.1
1876.0 0.488 289.0
1877.0 0.483 288.0
1878.0 0.479 287.0
1879.0 0.475 285.9
1880.0 0.471 284.8
1881.0 0.466 283.7
1882.0 0.462 282.6
1883.0 0.458 281.5
1884.0 0.453 280.3
1885.0 0.449 279.1
1886.0 0.444 277.9
1887.0 0.440 276.6
1888.0 0.435 275.4
1889.0 0.431 274.1
1890.0 0.426 272.8
1891.0 0.422 271.4
1892.0 0.417 270.0
1893.0 0.412 268.6
1894.0 0.408 267.2
1895.0 0.403 265.7
1896.0 0.399 264.2
1897.0 0.394 262.7
1898.0 0.390 261.1
1899.0 0.386 259.5
1900.0 0.381 257.8
1901.0 0.377 256.2
1902.0 0.373 254.4
1903.0 0.369 252.7
1904.0 0.365 250.9
1905.0 0.361 249.0
1906.0 0.357 247.2
1907.0 0.354 245.2
1908.0 0.350 243.3
1909.0 0.347 241.3
1910.0 0.343 239.2
1911.0 0.340 237.2
1912.0 0.337 235.1
1913.0 0.335 232.9
1914.0 0.332 230.7
1915.0 0.330 228.5
1916.0 0.328 226.3
1917.0 0.326 224.0
1918.0 0.324 221.7
1919.0 0.322 219.4
1920.0 0.321 217.1
1921.0 0.320 214.7
1922.0 0.319 212.3
1923.0 0.319 210.0
1924.0 0.319 207.6
1925.0 0.319 205.2
1926.0 0.319 202.8
1927.0 0.319 200.4
1928.0 0.320 198.1
1929.0 0.321 195.7
1930.0 0.322 193.3
1931.0 0.323 191.0
1932.0 0.325 188.7
1933.0 0.326 186.4
1934.0 0.328 184.2
1935.0 0.330 181.9
1936.0 0.332 179.7
1937.0 0.335 177.5
1938.0 0.337 175.4
1939.0 0.340 173.3
1940.0 0.343 171.2
1941.0 0.345 169.1
1942.0 0.348 167.1
1943.0 0.351 165.1
1944.0 0.354 163.2
1945.0 0.357 161.3
1946.0 0.361 159.4
1947.0 0.364 157.6
1948.0 0.367 155.7
1949.0 0.370 154.0
1950.0 0.374 152.2
1951.0 0.377 150.5
1952.0 0.380 148.8
1953.0 0.384 147.1
1954.0 0.387 145.5
1955.0 0.390 143.9
1956.0 0.393 142.3
1957.0 0.397 140.8
1958.0 0.400 139.2
1959.0 0.403 137.7
1960.0 0.406 136.3
1961.0 0.409 134.8
1962.0 0.412 133.4
1963.0 0.415 132.0
1964.0 0.418 130.6
1965.0 0.421 129.2
1966.0 0.424 127.8
1967.0 0.426 126.5
1968.0 0.429 125.2
1969.0 0.432 123.8
1970.0 0.434 122.6
1971.0 0.437 121.3
1972.0 0.439 120.0
1973.0 0.442 118.8
1974.0 0.444 117.5
1975.0 0.447 116.3
1976.0 0.449 115.1
1977.0 0.451 113.9
1978.0 0.453 112.7
1979.0 0.456 111.6
1980.0 0.458 110.4
1981.0 0.460 109.2
1982.0 0.462 108.1
1983.0 0.464 107.0
1984.0 0.466 105.8
1985.0 0.468 104.7
1986.0 0.469 103.6
1987.0 0.471 102.5
1988.0 0.473 101.4
1989.0 0.475 100.4
1990.0 0.476 99.3
1991.0 0.478 98.2
1992.0 0.480 97.2
1993.0 0.481 96.1
1994.0 0.483 95.1
1995.0 0.485 94.1
1996.0 0.486 93.0
1997.0 0.488 92.0
1998.0 0.489 91.0
1999.0 0.491 90.0
2000.0 0.492 89.0
2001.0 0.493 88.0
2002.0 0.495 87.0
2003.0 0.496 86.0
2004.0 0.498 85.0
2005.0 0.499 84.0
2006.0 0.500 83.1
2007.0 0.502 82.1
2008.0 0.503 81.1
2009.0 0.504 80.2
2010.0 0.505 79.2
2011.0 0.507 78.3
2012.0 0.508 77.3
2013.0 0.509 76.4
2014.0 0.510 75.5
2015.0 0.512 74.6
2016.0 0.513 73.6
2017.0 0.514 72.7
2018.0 0.515 71.8
2019.0 0.517 70.9
2020.0 0.518 70.0
2021.0 0.519 69.1
2022.0 0.520 68.2
2023.0 0.521 67.3
2024.0 0.523 66.4
2025.0 0.524 65.5
2026.0 0.525 64.6
2027.0 0.526 63.8
2028.0 0.528 62.9
2029.0 0.529 62.0
2030.0 0.530 61.2
2031.0 0.531 60.3
2032.0 0.532 59.4
2033.0 0.534 58.6
2034.0 0.535 57.7
2035.0 0.536 56.9
2036.0 0.537 56.0
2037.0 0.538 55.2
2038.0 0.540 54.4
2039.0 0.541 53.5
2040.0 0.542 52.7
2041.0 0.543 51.9
2042.0 0.545 51.1
2043.0 0.546 50.3
2044.0 0.547 49.5
2045.0 0.548 48.6
2046.0 0.550 47.8
2047.0 0.551 47.0
2048.0 0.552 46.2
2049.0 0.553 45.5
2050.0 0.555 44.7
2051.0 0.556 43.9
2052.0 0.557 43.1
2053.0 0.558 42.3
2054.0 0.560 41.5
2055.0 0.561 40.8
2056.0 0.562 40.0
2057.0 0.563 39.2
2058.0 0.565 38.5
2059.0 0.566 37.7
2060.0 0.567 37.0
2061.0 0.569 36.2
2062.0 0.570 35.5
2063.0 0.571 34.7
2064.0 0.572 34.0
2065.0 0.574 33.2
2066.0 0.575 32.5
2067.0 0.576 31.8
2068.0 0.577 31.0
2069.0 0.579 30.3
2070.0 0.580 29.6
2071.0 0.581 28.9
2072.0 0.582 28.2
2073.0 0.584 27.5
2074.0 0.585 26.7
2075.0 0.586 26.0
2076.0 0.587 25.3
2077.0 0.589 24.6
2078.0 0.590 23.9
2079.0 0.591 23.2
2080.0 0.592 22.6
2081.0 0.594 21.9
2082.0 0.595 21.2
2083.0 0.596 20.5
2084.0 0.597 19.8
2085.0 0.598 19.1
2086.0 0.600 18.5
2087.0 0.601 17.8
2088.0 0.602 17.1
2089.0 0.603 16.5
2090.0 0.604 15.8
2091.0 0.605 15.1
2092.0 0.606 14.5
2093.0 0.608 13.8
2094.0 0.609 13.2
2095.0 0.610 12.5
2096.0 0.611 11.9
2097.0 0.612 11.2
2098.0 0.613 10.6
2099.0 0.614 9.9
2100.0 0.615 9.3
2101.0 0.616 8.6
2102.0 0.617 8.0
2103.0 0.618 7.4
2104.0 0.619 6.7
2105.0 0.620 6.1
2106.0 0.621 5.5
2107.0 0.622 4.8
2108.0 0.623 4.2
2109.0 0.623 3.6
2110.0 0.624 3.0
2111.0 0.625 2.3
2112.0 0.626 1.7
2113.0 0.627 1.1
2114.0 0.627 0.5
2115.0 0.628 359.9
2116.0 0.629 359.3
2117.0 0.630 358.7
2118.0 0.630 358.0
2119.0 0.631 357.4
2120.0 0.632 356.8
2121.0 0.632 356.2
2122.0 0.633 355.6
2123.0 0.633 355.0
2124.0 0.634 354.4
2125.0 0.634 353.8
2126.0 0.635 353.2
2127.0 0.635 352.6
2128.0 0.636 352.0
2129.0 0.636 351.4
2130.0 0.636 350.8
2131.0 0.637 350.2
2132.0 0.637 349.6
2133.0 0.637 349.0
2134.0 0.637 348.4
2135.0 0.638 347.8
2136.0 0.638 347.2
2137.0 0.638 346.6
2138.0 0.638 346.0
2139.0 0.638 345.4
2140.0 0.638 344.8
2141.0 0.638 344.3
2142.0 0.638 343.7
2143.0 0.638 343.1
2144.0 0.638 342.5
2145.0 0.638 341.9
2146.0 0.637 341.3
2147.0 0.637 340.7
2148.0 0.637 340.1
2149.0 0.637 339.5
2150.0 0.636 338.9
2151.0 0.636 338.3
2152.0 0.636 337.7
2153.0 0.635 337.1
2154.0 0.635 336.5
2155.0 0.634 335.9
2156.0 0.633 335.3
2157.0 0.633 334.7
2158.0 0.632 334.1
2159.0 0.631 333.5
2160.0 0.631 332.9
2161.0 0.630 332.2
2162.0 0.629 331.6
2163.0 0.628 331.0
2164.0 0.627 330.4
2165.0 0.626 329.8
2166.0 0.625 329.2
2167.0 0.624 328.5
2168.0 0.623 327.9
2169.0 0.621 327.3
2170.0 0.620 326.7
2171.0 0.619 326.0
2172.0 0.617 325.4
2173.0 0.616 324.8
2174.0 0.614 324.1
2175.0 0.613 323.5
2176.0 0.611 322.8
2177.0 0.610 322.2
2178.0 0.608 321.5
2179.0 0.606 320.9
2180.0 0.605 320.2
2181.0 0.603 319.6
2182.0 0.601 318.9
2183.0 0.599 318.2
2184.0 0.597 317.5
2185.0 0.595 316.8
2186.0 0.592 316.2
2187.0 0.590 315.5
2188.0 0.588 314.8
2189.0 0.586 314.1
2190.0 0.583 313.4
2191.0 0.581 312.6
2192.0 0.578 311.9
2193.0 0.576 311.2
2194.0 0.573 310.5
2195.0 0.570 309.7
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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