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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:17:47
WDS:
BU255
WDS ID/Discoverer
P:
245.000
Orbital period (years)
a:
0.661
Semi-major axis (arcseconds)
i:
116.0
Inclination (degrees)
Ω:
166.1
Longitude of ascending node (degrees)
T:
2067.200
Epoch of periastron passage (year)
e:
0.96
Eccentricity
ω:
265.4
Longitude of periastron (degrees)
Start-Year:
1903.0
Year
End-Year:
2147.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
001150.13+282524.0
Epoch-2000 right ascension and declination
WDS-ID:
00118+2825
WDS designation
Discoverer Code:
BU255
Discover designation and components
ADS number:
147
Aitken Double Star catalog
HD number:
744
HD catalog number
Hipparcos number:
956
Hipparcos catalog number
V1:
7.88
Magnitude of the primary
V2:
8.97
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
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 0.407 62.1
-------------------------
1903.0 0.554 96.6
1904.0 0.555 96.3
1905.0 0.556 96.1
1906.0 0.558 95.8
1907.0 0.559 95.6
1908.0 0.560 95.3
1909.0 0.562 95.1
1910.0 0.563 94.8
1911.0 0.564 94.6
1912.0 0.565 94.3
1913.0 0.566 94.1
1914.0 0.567 93.8
1915.0 0.568 93.6
1916.0 0.569 93.3
1917.0 0.569 93.1
1918.0 0.570 92.9
1919.0 0.571 92.6
1920.0 0.572 92.4
1921.0 0.572 92.1
1922.0 0.573 91.9
1923.0 0.574 91.7
1924.0 0.574 91.4
1925.0 0.575 91.2
1926.0 0.575 90.9
1927.0 0.575 90.7
1928.0 0.576 90.5
1929.0 0.576 90.2
1930.0 0.576 90.0
1931.0 0.577 89.7
1932.0 0.577 89.5
1933.0 0.577 89.3
1934.0 0.577 89.0
1935.0 0.577 88.8
1936.0 0.577 88.6
1937.0 0.577 88.3
1938.0 0.577 88.1
1939.0 0.577 87.9
1940.0 0.577 87.6
1941.0 0.577 87.4
1942.0 0.576 87.1
1943.0 0.576 86.9
1944.0 0.576 86.7
1945.0 0.575 86.4
1946.0 0.575 86.2
1947.0 0.575 86.0
1948.0 0.574 85.7
1949.0 0.574 85.5
1950.0 0.573 85.2
1951.0 0.573 85.0
1952.0 0.572 84.8
1953.0 0.571 84.5
1954.0 0.571 84.3
1955.0 0.570 84.0
1956.0 0.569 83.8
1957.0 0.568 83.5
1958.0 0.567 83.3
1959.0 0.566 83.1
1960.0 0.565 82.8
1961.0 0.564 82.6
1962.0 0.563 82.3
1963.0 0.562 82.1
1964.0 0.561 81.8
1965.0 0.560 81.6
1966.0 0.559 81.3
1967.0 0.558 81.1
1968.0 0.556 80.8
1969.0 0.555 80.5
1970.0 0.554 80.3
1971.0 0.552 80.0
1972.0 0.551 79.8
1973.0 0.549 79.5
1974.0 0.548 79.3
1975.0 0.546 79.0
1976.0 0.545 78.7
1977.0 0.543 78.5
1978.0 0.541 78.2
1979.0 0.540 77.9
1980.0 0.538 77.7
1981.0 0.536 77.4
1982.0 0.534 77.1
1983.0 0.532 76.8
1984.0 0.530 76.5
1985.0 0.528 76.3
1986.0 0.526 76.0
1987.0 0.524 75.7
1988.0 0.522 75.4
1989.0 0.520 75.1
1990.0 0.518 74.8
1991.0 0.515 74.5
1992.0 0.513 74.2
1993.0 0.511 73.9
1994.0 0.508 73.6
1995.0 0.506 73.3
1996.0 0.503 73.0
1997.0 0.501 72.7
1998.0 0.498 72.4
1999.0 0.496 72.1
2000.0 0.493 71.7
2001.0 0.490 71.4
2002.0 0.487 71.1
2003.0 0.484 70.8
2004.0 0.482 70.4
2005.0 0.479 70.1
2006.0 0.476 69.7
2007.0 0.473 69.4
2008.0 0.469 69.0
2009.0 0.466 68.7
2010.0 0.463 68.3
2011.0 0.460 67.9
2012.0 0.456 67.5
2013.0 0.453 67.2
2014.0 0.450 66.8
2015.0 0.446 66.4
2016.0 0.442 66.0
2017.0 0.439 65.6
2018.0 0.435 65.2
2019.0 0.431 64.7
2020.0 0.427 64.3
2021.0 0.423 63.9
2022.0 0.419 63.4
2023.0 0.415 63.0
2024.0 0.411 62.5
2025.0 0.407 62.1
2026.0 0.403 61.6
2027.0 0.398 61.1
2028.0 0.394 60.6
2029.0 0.389 60.1
2030.0 0.385 59.5
2031.0 0.380 59.0
2032.0 0.375 58.5
2033.0 0.371 57.9
2034.0 0.366 57.3
2035.0 0.361 56.7
2036.0 0.355 56.1
2037.0 0.350 55.5
2038.0 0.345 54.8
2039.0 0.339 54.1
2040.0 0.334 53.4
2041.0 0.328 52.7
2042.0 0.322 52.0
2043.0 0.316 51.2
2044.0 0.310 50.4
2045.0 0.304 49.6
2046.0 0.297 48.7
2047.0 0.290 47.8
2048.0 0.284 46.8
2049.0 0.277 45.8
2050.0 0.270 44.8
2051.0 0.262 43.6
2052.0 0.254 42.5
2053.0 0.247 41.2
2054.0 0.238 39.9
2055.0 0.230 38.4
2056.0 0.221 36.9
2057.0 0.212 35.2
2058.0 0.202 33.3
2059.0 0.191 31.3
2060.0 0.180 29.0
2061.0 0.168 26.4
2062.0 0.156 23.4
2063.0 0.141 19.8
2064.0 0.125 15.4
2065.0 0.105 9.4
2066.0 0.078 359.8
2067.0 0.026 326.3
2068.0 0.064 163.0
2069.0 0.103 151.5
2070.0 0.131 145.8
2071.0 0.152 141.8
2072.0 0.171 138.8
2073.0 0.187 136.3
2074.0 0.202 134.3
2075.0 0.216 132.5
2076.0 0.229 130.9
2077.0 0.240 129.4
2078.0 0.252 128.1
2079.0 0.262 126.9
2080.0 0.272 125.8
2081.0 0.282 124.8
2082.0 0.291 123.8
2083.0 0.299 122.9
2084.0 0.308 122.1
2085.0 0.316 121.3
2086.0 0.324 120.5
2087.0 0.331 119.8
2088.0 0.338 119.1
2089.0 0.345 118.4
2090.0 0.352 117.7
2091.0 0.359 117.1
2092.0 0.365 116.5
2093.0 0.371 115.9
2094.0 0.377 115.4
2095.0 0.383 114.8
2096.0 0.389 114.3
2097.0 0.394 113.8
2098.0 0.400 113.3
2099.0 0.405 112.8
2100.0 0.410 112.3
2101.0 0.415 111.9
2102.0 0.420 111.4
2103.0 0.425 111.0
2104.0 0.429 110.5
2105.0 0.434 110.1
2106.0 0.438 109.7
2107.0 0.443 109.3
2108.0 0.447 108.9
2109.0 0.451 108.5
2110.0 0.455 108.1
2111.0 0.459 107.7
2112.0 0.463 107.4
2113.0 0.467 107.0
2114.0 0.470 106.6
2115.0 0.474 106.3
2116.0 0.477 105.9
2117.0 0.481 105.6
2118.0 0.484 105.3
2119.0 0.487 104.9
2120.0 0.491 104.6
2121.0 0.494 104.3
2122.0 0.497 103.9
2123.0 0.500 103.6
2124.0 0.503 103.3
2125.0 0.505 103.0
2126.0 0.508 102.7
2127.0 0.511 102.4
2128.0 0.513 102.1
2129.0 0.516 101.8
2130.0 0.518 101.5
2131.0 0.521 101.2
2132.0 0.523 100.9
2133.0 0.526 100.6
2134.0 0.528 100.4
2135.0 0.530 100.1
2136.0 0.532 99.8
2137.0 0.534 99.5
2138.0 0.536 99.2
2139.0 0.538 99.0
2140.0 0.540 98.7
2141.0 0.542 98.4
2142.0 0.544 98.2
2143.0 0.546 97.9
2144.0 0.547 97.6
2145.0 0.549 97.4
2146.0 0.551 97.1
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 .
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