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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:18:12
WDS:
STT2AB
WDS ID/Discoverer
P:
421.980
Orbital period (years)
a:
0.641
Semi-major axis (arcseconds)
i:
124.1
Inclination (degrees)
Ω:
193.0
Longitude of ascending node (degrees)
T:
1969.970
Epoch of periastron passage (year)
e:
0.72
Eccentricity
ω:
286.1
Longitude of periastron (degrees)
Start-Year:
1815.0
Year
End-Year:
2235.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
001323.93+265915.4
Epoch-2000 right ascension and declination
WDS-ID:
00134+2659
WDS designation
Discoverer Code:
STT2AB
Discover designation and components
ADS number:
161
Aitken Double Star catalog
HD number:
895
HD catalog number
Hipparcos number:
1076
Hipparcos catalog number
V1:
6.77
Magnitude of the primary
V2:
7.67
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2005
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 0.432 147.8
-------------------------
1815.0 0.712 59.9
1816.0 0.713 59.6
1817.0 0.713 59.3
1818.0 0.713 59.1
1819.0 0.714 58.8
1820.0 0.714 58.5
1821.0 0.714 58.3
1822.0 0.714 58.0
1823.0 0.714 57.7
1824.0 0.714 57.5
1825.0 0.715 57.2
1826.0 0.715 56.9
1827.0 0.715 56.7
1828.0 0.715 56.4
1829.0 0.715 56.1
1830.0 0.715 55.9
1831.0 0.715 55.6
1832.0 0.715 55.3
1833.0 0.715 55.1
1834.0 0.715 54.8
1835.0 0.714 54.5
1836.0 0.714 54.3
1837.0 0.714 54.0
1838.0 0.714 53.7
1839.0 0.714 53.5
1840.0 0.713 53.2
1841.0 0.713 52.9
1842.0 0.713 52.7
1843.0 0.713 52.4
1844.0 0.712 52.1
1845.0 0.712 51.9
1846.0 0.711 51.6
1847.0 0.711 51.3
1848.0 0.710 51.0
1849.0 0.710 50.8
1850.0 0.709 50.5
1851.0 0.709 50.2
1852.0 0.708 50.0
1853.0 0.707 49.7
1854.0 0.707 49.4
1855.0 0.706 49.1
1856.0 0.705 48.9
1857.0 0.704 48.6
1858.0 0.704 48.3
1859.0 0.703 48.0
1860.0 0.702 47.8
1861.0 0.701 47.5
1862.0 0.700 47.2
1863.0 0.699 46.9
1864.0 0.698 46.7
1865.0 0.697 46.4
1866.0 0.696 46.1
1867.0 0.695 45.8
1868.0 0.693 45.5
1869.0 0.692 45.2
1870.0 0.691 45.0
1871.0 0.690 44.7
1872.0 0.688 44.4
1873.0 0.687 44.1
1874.0 0.685 43.8
1875.0 0.684 43.5
1876.0 0.682 43.2
1877.0 0.681 42.9
1878.0 0.679 42.6
1879.0 0.677 42.3
1880.0 0.676 42.0
1881.0 0.674 41.7
1882.0 0.672 41.4
1883.0 0.670 41.1
1884.0 0.668 40.8
1885.0 0.666 40.5
1886.0 0.664 40.2
1887.0 0.662 39.9
1888.0 0.660 39.6
1889.0 0.657 39.3
1890.0 0.655 39.0
1891.0 0.653 38.6
1892.0 0.650 38.3
1893.0 0.648 38.0
1894.0 0.645 37.7
1895.0 0.643 37.3
1896.0 0.640 37.0
1897.0 0.637 36.7
1898.0 0.635 36.3
1899.0 0.632 36.0
1900.0 0.629 35.7
1901.0 0.626 35.3
1902.0 0.623 35.0
1903.0 0.619 34.6
1904.0 0.616 34.2
1905.0 0.613 33.9
1906.0 0.609 33.5
1907.0 0.606 33.2
1908.0 0.602 32.8
1909.0 0.599 32.4
1910.0 0.595 32.0
1911.0 0.591 31.6
1912.0 0.587 31.2
1913.0 0.583 30.8
1914.0 0.579 30.4
1915.0 0.575 30.0
1916.0 0.570 29.6
1917.0 0.566 29.2
1918.0 0.561 28.8
1919.0 0.556 28.3
1920.0 0.551 27.9
1921.0 0.547 27.4
1922.0 0.541 27.0
1923.0 0.536 26.5
1924.0 0.531 26.0
1925.0 0.525 25.5
1926.0 0.520 25.0
1927.0 0.514 24.5
1928.0 0.508 24.0
1929.0 0.502 23.5
1930.0 0.496 22.9
1931.0 0.489 22.3
1932.0 0.483 21.8
1933.0 0.476 21.2
1934.0 0.469 20.6
1935.0 0.462 19.9
1936.0 0.454 19.3
1937.0 0.447 18.6
1938.0 0.439 17.9
1939.0 0.431 17.2
1940.0 0.423 16.4
1941.0 0.414 15.7
1942.0 0.405 14.9
1943.0 0.396 14.0
1944.0 0.387 13.1
1945.0 0.377 12.2
1946.0 0.367 11.2
1947.0 0.357 10.2
1948.0 0.347 9.1
1949.0 0.336 7.9
1950.0 0.324 6.6
1951.0 0.313 5.3
1952.0 0.301 3.8
1953.0 0.288 2.3
1954.0 0.275 0.5
1955.0 0.262 358.7
1956.0 0.249 356.6
1957.0 0.235 354.2
1958.0 0.220 351.6
1959.0 0.206 348.6
1960.0 0.191 345.1
1961.0 0.176 341.1
1962.0 0.161 336.3
1963.0 0.147 330.5
1964.0 0.134 323.6
1965.0 0.122 315.2
1966.0 0.112 305.1
1967.0 0.105 293.4
1968.0 0.102 280.6
1969.0 0.104 267.6
1970.0 0.109 255.4
1971.0 0.118 244.7
1972.0 0.129 235.7
1973.0 0.141 228.2
1974.0 0.154 221.9
1975.0 0.168 216.7
1976.0 0.181 212.2
1977.0 0.194 208.3
1978.0 0.207 204.9
1979.0 0.218 201.9
1980.0 0.230 199.1
1981.0 0.241 196.7
1982.0 0.251 194.4
1983.0 0.260 192.3
1984.0 0.269 190.4
1985.0 0.278 188.6
1986.0 0.286 186.9
1987.0 0.294 185.2
1988.0 0.301 183.7
1989.0 0.308 182.2
1990.0 0.314 180.8
1991.0 0.320 179.5
1992.0 0.326 178.2
1993.0 0.332 176.9
1994.0 0.337 175.7
1995.0 0.342 174.5
1996.0 0.347 173.3
1997.0 0.352 172.2
1998.0 0.356 171.1
1999.0 0.360 170.1
2000.0 0.364 169.0
2001.0 0.368 168.0
2002.0 0.372 167.0
2003.0 0.376 166.0
2004.0 0.379 165.1
2005.0 0.382 164.1
2006.0 0.386 163.2
2007.0 0.389 162.3
2008.0 0.392 161.4
2009.0 0.395 160.5
2010.0 0.397 159.7
2011.0 0.400 158.8
2012.0 0.403 158.0
2013.0 0.406 157.1
2014.0 0.408 156.3
2015.0 0.411 155.5
2016.0 0.413 154.7
2017.0 0.415 153.9
2018.0 0.418 153.1
2019.0 0.420 152.3
2020.0 0.422 151.6
2021.0 0.424 150.8
2022.0 0.426 150.0
2023.0 0.428 149.3
2024.0 0.430 148.6
2025.0 0.432 147.8
2026.0 0.434 147.1
2027.0 0.436 146.4
2028.0 0.438 145.7
2029.0 0.440 145.0
2030.0 0.442 144.3
2031.0 0.444 143.6
2032.0 0.446 142.9
2033.0 0.447 142.2
2034.0 0.449 141.5
2035.0 0.451 140.8
2036.0 0.453 140.2
2037.0 0.454 139.5
2038.0 0.456 138.8
2039.0 0.458 138.2
2040.0 0.460 137.5
2041.0 0.461 136.9
2042.0 0.463 136.3
2043.0 0.465 135.6
2044.0 0.466 135.0
2045.0 0.468 134.4
2046.0 0.469 133.8
2047.0 0.471 133.1
2048.0 0.473 132.5
2049.0 0.474 131.9
2050.0 0.476 131.3
2051.0 0.477 130.7
2052.0 0.479 130.1
2053.0 0.481 129.5
2054.0 0.482 128.9
2055.0 0.484 128.3
2056.0 0.485 127.8
2057.0 0.487 127.2
2058.0 0.488 126.6
2059.0 0.490 126.0
2060.0 0.491 125.5
2061.0 0.493 124.9
2062.0 0.495 124.4
2063.0 0.496 123.8
2064.0 0.498 123.2
2065.0 0.499 122.7
2066.0 0.501 122.2
2067.0 0.502 121.6
2068.0 0.504 121.1
2069.0 0.505 120.5
2070.0 0.507 120.0
2071.0 0.508 119.5
2072.0 0.510 118.9
2073.0 0.511 118.4
2074.0 0.513 117.9
2075.0 0.515 117.4
2076.0 0.516 116.9
2077.0 0.518 116.4
2078.0 0.519 115.9
2079.0 0.521 115.4
2080.0 0.522 114.9
2081.0 0.524 114.4
2082.0 0.525 113.9
2083.0 0.527 113.4
2084.0 0.528 112.9
2085.0 0.530 112.4
2086.0 0.531 111.9
2087.0 0.533 111.4
2088.0 0.535 110.9
2089.0 0.536 110.5
2090.0 0.538 110.0
2091.0 0.539 109.5
2092.0 0.541 109.1
2093.0 0.542 108.6
2094.0 0.544 108.1
2095.0 0.545 107.7
2096.0 0.547 107.2
2097.0 0.548 106.8
2098.0 0.550 106.3
2099.0 0.551 105.9
2100.0 0.553 105.4
2101.0 0.555 105.0
2102.0 0.556 104.5
2103.0 0.558 104.1
2104.0 0.559 103.6
2105.0 0.561 103.2
2106.0 0.562 102.8
2107.0 0.564 102.3
2108.0 0.565 101.9
2109.0 0.567 101.5
2110.0 0.568 101.1
2111.0 0.570 100.6
2112.0 0.572 100.2
2113.0 0.573 99.8
2114.0 0.575 99.4
2115.0 0.576 99.0
2116.0 0.578 98.6
2117.0 0.579 98.2
2118.0 0.581 97.8
2119.0 0.582 97.4
2120.0 0.584 97.0
2121.0 0.585 96.6
2122.0 0.587 96.2
2123.0 0.588 95.8
2124.0 0.590 95.4
2125.0 0.591 95.0
2126.0 0.593 94.6
2127.0 0.594 94.2
2128.0 0.596 93.8
2129.0 0.597 93.4
2130.0 0.599 93.1
2131.0 0.600 92.7
2132.0 0.602 92.3
2133.0 0.603 91.9
2134.0 0.605 91.6
2135.0 0.606 91.2
2136.0 0.608 90.8
2137.0 0.609 90.4
2138.0 0.611 90.1
2139.0 0.612 89.7
2140.0 0.614 89.3
2141.0 0.615 89.0
2142.0 0.616 88.6
2143.0 0.618 88.3
2144.0 0.619 87.9
2145.0 0.621 87.6
2146.0 0.622 87.2
2147.0 0.624 86.9
2148.0 0.625 86.5
2149.0 0.626 86.2
2150.0 0.628 85.8
2151.0 0.629 85.5
2152.0 0.631 85.1
2153.0 0.632 84.8
2154.0 0.633 84.4
2155.0 0.635 84.1
2156.0 0.636 83.8
2157.0 0.638 83.4
2158.0 0.639 83.1
2159.0 0.640 82.8
2160.0 0.642 82.4
2161.0 0.643 82.1
2162.0 0.644 81.8
2163.0 0.646 81.4
2164.0 0.647 81.1
2165.0 0.648 80.8
2166.0 0.650 80.5
2167.0 0.651 80.1
2168.0 0.652 79.8
2169.0 0.653 79.5
2170.0 0.655 79.2
2171.0 0.656 78.9
2172.0 0.657 78.5
2173.0 0.658 78.2
2174.0 0.660 77.9
2175.0 0.661 77.6
2176.0 0.662 77.3
2177.0 0.663 77.0
2178.0 0.664 76.7
2179.0 0.666 76.4
2180.0 0.667 76.1
2181.0 0.668 75.7
2182.0 0.669 75.4
2183.0 0.670 75.1
2184.0 0.671 74.8
2185.0 0.673 74.5
2186.0 0.674 74.2
2187.0 0.675 73.9
2188.0 0.676 73.6
2189.0 0.677 73.3
2190.0 0.678 73.0
2191.0 0.679 72.7
2192.0 0.680 72.4
2193.0 0.681 72.2
2194.0 0.682 71.9
2195.0 0.683 71.6
2196.0 0.684 71.3
2197.0 0.685 71.0
2198.0 0.686 70.7
2199.0 0.687 70.4
2200.0 0.688 70.1
2201.0 0.689 69.8
2202.0 0.690 69.5
2203.0 0.691 69.3
2204.0 0.692 69.0
2205.0 0.693 68.7
2206.0 0.693 68.4
2207.0 0.694 68.1
2208.0 0.695 67.8
2209.0 0.696 67.6
2210.0 0.697 67.3
2211.0 0.698 67.0
2212.0 0.698 66.7
2213.0 0.699 66.4
2214.0 0.700 66.2
2215.0 0.701 65.9
2216.0 0.701 65.6
2217.0 0.702 65.3
2218.0 0.703 65.0
2219.0 0.703 64.8
2220.0 0.704 64.5
2221.0 0.705 64.2
2222.0 0.705 63.9
2223.0 0.706 63.7
2224.0 0.706 63.4
2225.0 0.707 63.1
2226.0 0.708 62.8
2227.0 0.708 62.6
2228.0 0.709 62.3
2229.0 0.709 62.0
2230.0 0.710 61.8
2231.0 0.710 61.5
2232.0 0.710 61.2
2233.0 0.711 61.0
2234.0 0.711 60.7
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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