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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:37:00
WDS:
A2219
WDS ID/Discoverer
P:
345.580
Orbital period (years)
a:
0.331
Semi-major axis (arcseconds)
i:
132.5
Inclination (degrees)
Ω:
155.0
Longitude of ascending node (degrees)
T:
1948.580
Epoch of periastron passage (year)
e:
0.906
Eccentricity
ω:
208.1
Longitude of periastron (degrees)
Start-Year:
1853.0
Year
End-Year:
2197.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
023755.15+200309.7
Epoch-2000 right ascension and declination
WDS-ID:
02379+2003
WDS designation
Discoverer Code:
A2219
Discover designation and components
ADS number:
1993
Aitken Double Star catalog
HD number:
16352
HD catalog number
Hipparcos number:
12266
Hipparcos catalog number
V1:
9.48
Magnitude of the primary
V2:
9.34
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2015
Date of last observation
Orbit grade:
4
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 0.486 145.2
-------------------------
1853.0 0.485 126.8
1854.0 0.483 126.7
1855.0 0.480 126.5
1856.0 0.478 126.4
1857.0 0.475 126.3
1858.0 0.472 126.1
1859.0 0.470 126.0
1860.0 0.467 125.8
1861.0 0.464 125.7
1862.0 0.461 125.5
1863.0 0.458 125.4
1864.0 0.456 125.2
1865.0 0.453 125.0
1866.0 0.450 124.9
1867.0 0.447 124.7
1868.0 0.444 124.6
1869.0 0.441 124.4
1870.0 0.438 124.2
1871.0 0.435 124.0
1872.0 0.431 123.9
1873.0 0.428 123.7
1874.0 0.425 123.5
1875.0 0.422 123.3
1876.0 0.418 123.1
1877.0 0.415 123.0
1878.0 0.412 122.8
1879.0 0.408 122.6
1880.0 0.405 122.4
1881.0 0.401 122.2
1882.0 0.398 122.0
1883.0 0.394 121.8
1884.0 0.390 121.6
1885.0 0.387 121.3
1886.0 0.383 121.1
1887.0 0.379 120.9
1888.0 0.375 120.7
1889.0 0.371 120.4
1890.0 0.367 120.2
1891.0 0.363 119.9
1892.0 0.359 119.7
1893.0 0.355 119.4
1894.0 0.351 119.2
1895.0 0.347 118.9
1896.0 0.343 118.6
1897.0 0.338 118.4
1898.0 0.334 118.1
1899.0 0.330 117.8
1900.0 0.325 117.5
1901.0 0.321 117.2
1902.0 0.316 116.8
1903.0 0.312 116.5
1904.0 0.307 116.2
1905.0 0.302 115.8
1906.0 0.297 115.4
1907.0 0.293 115.1
1908.0 0.288 114.7
1909.0 0.283 114.3
1910.0 0.278 113.9
1911.0 0.273 113.4
1912.0 0.267 113.0
1913.0 0.262 112.5
1914.0 0.257 112.0
1915.0 0.251 111.5
1916.0 0.246 111.0
1917.0 0.240 110.4
1918.0 0.235 109.9
1919.0 0.229 109.3
1920.0 0.223 108.6
1921.0 0.217 107.9
1922.0 0.211 107.2
1923.0 0.205 106.5
1924.0 0.199 105.7
1925.0 0.193 104.8
1926.0 0.186 103.9
1927.0 0.180 103.0
1928.0 0.173 101.9
1929.0 0.167 100.8
1930.0 0.160 99.5
1931.0 0.153 98.2
1932.0 0.146 96.7
1933.0 0.139 95.1
1934.0 0.131 93.3
1935.0 0.124 91.3
1936.0 0.117 89.1
1937.0 0.109 86.5
1938.0 0.101 83.6
1939.0 0.093 80.1
1940.0 0.086 76.0
1941.0 0.078 71.1
1942.0 0.070 65.1
1943.0 0.063 57.7
1944.0 0.055 48.2
1945.0 0.049 36.1
1946.0 0.043 20.5
1947.0 0.038 0.6
1948.0 0.033 334.8
1949.0 0.027 297.5
1950.0 0.027 249.4
1951.0 0.038 216.8
1952.0 0.052 200.0
1953.0 0.066 190.5
1954.0 0.080 184.3
1955.0 0.093 179.9
1956.0 0.105 176.5
1957.0 0.117 173.8
1958.0 0.128 171.7
1959.0 0.139 169.8
1960.0 0.149 168.2
1961.0 0.159 166.9
1962.0 0.169 165.7
1963.0 0.178 164.6
1964.0 0.187 163.6
1965.0 0.196 162.7
1966.0 0.204 161.9
1967.0 0.212 161.1
1968.0 0.220 160.4
1969.0 0.228 159.8
1970.0 0.235 159.2
1971.0 0.243 158.6
1972.0 0.250 158.1
1973.0 0.257 157.5
1974.0 0.264 157.1
1975.0 0.270 156.6
1976.0 0.277 156.2
1977.0 0.283 155.8
1978.0 0.290 155.4
1979.0 0.296 155.0
1980.0 0.302 154.6
1981.0 0.308 154.3
1982.0 0.313 153.9
1983.0 0.319 153.6
1984.0 0.325 153.3
1985.0 0.330 153.0
1986.0 0.335 152.7
1987.0 0.341 152.4
1988.0 0.346 152.1
1989.0 0.351 151.8
1990.0 0.356 151.6
1991.0 0.361 151.3
1992.0 0.365 151.1
1993.0 0.370 150.8
1994.0 0.375 150.6
1995.0 0.379 150.4
1996.0 0.384 150.2
1997.0 0.388 149.9
1998.0 0.392 149.7
1999.0 0.397 149.5
2000.0 0.401 149.3
2001.0 0.405 149.1
2002.0 0.409 148.9
2003.0 0.413 148.7
2004.0 0.417 148.5
2005.0 0.421 148.3
2006.0 0.425 148.2
2007.0 0.428 148.0
2008.0 0.432 147.8
2009.0 0.436 147.6
2010.0 0.439 147.5
2011.0 0.443 147.3
2012.0 0.446 147.1
2013.0 0.450 147.0
2014.0 0.453 146.8
2015.0 0.456 146.6
2016.0 0.459 146.5
2017.0 0.463 146.3
2018.0 0.466 146.2
2019.0 0.469 146.0
2020.0 0.472 145.9
2021.0 0.475 145.7
2022.0 0.478 145.6
2023.0 0.481 145.5
2024.0 0.484 145.3
2025.0 0.486 145.2
2026.0 0.489 145.0
2027.0 0.492 144.9
2028.0 0.495 144.8
2029.0 0.497 144.6
2030.0 0.500 144.5
2031.0 0.502 144.4
2032.0 0.505 144.2
2033.0 0.507 144.1
2034.0 0.510 144.0
2035.0 0.512 143.9
2036.0 0.514 143.7
2037.0 0.517 143.6
2038.0 0.519 143.5
2039.0 0.521 143.4
2040.0 0.523 143.3
2041.0 0.525 143.1
2042.0 0.527 143.0
2043.0 0.530 142.9
2044.0 0.532 142.8
2045.0 0.534 142.7
2046.0 0.535 142.6
2047.0 0.537 142.4
2048.0 0.539 142.3
2049.0 0.541 142.2
2050.0 0.543 142.1
2051.0 0.545 142.0
2052.0 0.546 141.9
2053.0 0.548 141.8
2054.0 0.550 141.7
2055.0 0.551 141.6
2056.0 0.553 141.5
2057.0 0.555 141.4
2058.0 0.556 141.2
2059.0 0.558 141.1
2060.0 0.559 141.0
2061.0 0.560 140.9
2062.0 0.562 140.8
2063.0 0.563 140.7
2064.0 0.565 140.6
2065.0 0.566 140.5
2066.0 0.567 140.4
2067.0 0.568 140.3
2068.0 0.570 140.2
2069.0 0.571 140.1
2070.0 0.572 140.0
2071.0 0.573 139.9
2072.0 0.574 139.8
2073.0 0.575 139.7
2074.0 0.576 139.6
2075.0 0.577 139.5
2076.0 0.578 139.4
2077.0 0.579 139.3
2078.0 0.580 139.2
2079.0 0.581 139.1
2080.0 0.582 139.0
2081.0 0.582 138.9
2082.0 0.583 138.8
2083.0 0.584 138.7
2084.0 0.585 138.7
2085.0 0.585 138.6
2086.0 0.586 138.5
2087.0 0.587 138.4
2088.0 0.587 138.3
2089.0 0.588 138.2
2090.0 0.588 138.1
2091.0 0.589 138.0
2092.0 0.589 137.9
2093.0 0.590 137.8
2094.0 0.590 137.7
2095.0 0.591 137.6
2096.0 0.591 137.5
2097.0 0.591 137.4
2098.0 0.592 137.3
2099.0 0.592 137.2
2100.0 0.592 137.1
2101.0 0.593 137.1
2102.0 0.593 137.0
2103.0 0.593 136.9
2104.0 0.593 136.8
2105.0 0.593 136.7
2106.0 0.593 136.6
2107.0 0.593 136.5
2108.0 0.594 136.4
2109.0 0.594 136.3
2110.0 0.594 136.2
2111.0 0.594 136.1
2112.0 0.593 136.0
2113.0 0.593 135.9
2114.0 0.593 135.8
2115.0 0.593 135.8
2116.0 0.593 135.7
2117.0 0.593 135.6
2118.0 0.593 135.5
2119.0 0.592 135.4
2120.0 0.592 135.3
2121.0 0.592 135.2
2122.0 0.591 135.1
2123.0 0.591 135.0
2124.0 0.591 134.9
2125.0 0.590 134.8
2126.0 0.590 134.7
2127.0 0.589 134.6
2128.0 0.589 134.5
2129.0 0.588 134.4
2130.0 0.588 134.4
2131.0 0.587 134.3
2132.0 0.587 134.2
2133.0 0.586 134.1
2134.0 0.585 134.0
2135.0 0.585 133.9
2136.0 0.584 133.8
2137.0 0.583 133.7
2138.0 0.583 133.6
2139.0 0.582 133.5
2140.0 0.581 133.4
2141.0 0.580 133.3
2142.0 0.579 133.2
2143.0 0.578 133.1
2144.0 0.578 133.0
2145.0 0.577 132.9
2146.0 0.576 132.8
2147.0 0.575 132.7
2148.0 0.574 132.6
2149.0 0.573 132.5
2150.0 0.571 132.4
2151.0 0.570 132.3
2152.0 0.569 132.2
2153.0 0.568 132.1
2154.0 0.567 132.0
2155.0 0.566 131.9
2156.0 0.564 131.8
2157.0 0.563 131.7
2158.0 0.562 131.6
2159.0 0.561 131.5
2160.0 0.559 131.4
2161.0 0.558 131.3
2162.0 0.556 131.2
2163.0 0.555 131.1
2164.0 0.554 131.0
2165.0 0.552 130.9
2166.0 0.551 130.8
2167.0 0.549 130.7
2168.0 0.547 130.5
2169.0 0.546 130.4
2170.0 0.544 130.3
2171.0 0.543 130.2
2172.0 0.541 130.1
2173.0 0.539 130.0
2174.0 0.537 129.9
2175.0 0.536 129.8
2176.0 0.534 129.7
2177.0 0.532 129.5
2178.0 0.530 129.4
2179.0 0.528 129.3
2180.0 0.526 129.2
2181.0 0.524 129.1
2182.0 0.522 129.0
2183.0 0.520 128.8
2184.0 0.518 128.7
2185.0 0.516 128.6
2186.0 0.514 128.5
2187.0 0.512 128.3
2188.0 0.510 128.2
2189.0 0.508 128.1
2190.0 0.506 128.0
2191.0 0.503 127.8
2192.0 0.501 127.7
2193.0 0.499 127.6
2194.0 0.496 127.4
2195.0 0.494 127.3
2196.0 0.492 127.2
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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