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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:05:09
WDS:
BSO5
WDS ID/Discoverer
P:
416.750
Orbital period (years)
a:
5.81827
Semi-major axis (arcseconds)
i:
49.649
Inclination (degrees)
Ω:
76.448
Longitude of ascending node (degrees)
T:
1918.117
Epoch of periastron passage (year)
e:
0.67575
Eccentricity
ω:
16.6
Longitude of periastron (degrees)
Start-Year:
1817.0
Year
End-Year:
2233.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
112440.34-613851.1
Epoch-2000 right ascension and declination
WDS-ID:
11247-6139
WDS designation
Discoverer Code:
BSO5
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
99279
HD catalog number
Hipparcos number:
55691
Hipparcos catalog number
V1:
7.68
Magnitude of the primary
V2:
8.76
Magnitude of the secondary
Equinox:
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 7.970 250.2
-------------------------
1817.0 6.602 289.1
1818.0 6.553 289.5
1819.0 6.504 289.8
1820.0 6.455 290.1
1821.0 6.405 290.5
1822.0 6.354 290.8
1823.0 6.303 291.1
1824.0 6.252 291.5
1825.0 6.200 291.9
1826.0 6.148 292.2
1827.0 6.096 292.6
1828.0 6.043 293.0
1829.0 5.990 293.4
1830.0 5.936 293.8
1831.0 5.882 294.2
1832.0 5.828 294.6
1833.0 5.773 295.0
1834.0 5.718 295.4
1835.0 5.662 295.8
1836.0 5.606 296.3
1837.0 5.549 296.7
1838.0 5.493 297.2
1839.0 5.435 297.6
1840.0 5.378 298.1
1841.0 5.320 298.6
1842.0 5.262 299.1
1843.0 5.203 299.6
1844.0 5.144 300.1
1845.0 5.085 300.7
1846.0 5.025 301.2
1847.0 4.965 301.8
1848.0 4.904 302.4
1849.0 4.843 302.9
1850.0 4.782 303.5
1851.0 4.721 304.2
1852.0 4.659 304.8
1853.0 4.597 305.4
1854.0 4.535 306.1
1855.0 4.473 306.8
1856.0 4.410 307.5
1857.0 4.347 308.2
1858.0 4.284 309.0
1859.0 4.220 309.8
1860.0 4.157 310.6
1861.0 4.093 311.4
1862.0 4.029 312.2
1863.0 3.965 313.1
1864.0 3.901 314.0
1865.0 3.837 314.9
1866.0 3.773 315.9
1867.0 3.709 316.9
1868.0 3.645 317.9
1869.0 3.581 319.0
1870.0 3.517 320.1
1871.0 3.454 321.2
1872.0 3.390 322.4
1873.0 3.327 323.7
1874.0 3.264 325.0
1875.0 3.202 326.3
1876.0 3.140 327.7
1877.0 3.079 329.1
1878.0 3.018 330.6
1879.0 2.958 332.2
1880.0 2.899 333.8
1881.0 2.841 335.5
1882.0 2.784 337.3
1883.0 2.728 339.1
1884.0 2.673 341.0
1885.0 2.620 343.0
1886.0 2.568 345.1
1887.0 2.518 347.3
1888.0 2.470 349.5
1889.0 2.424 351.8
1890.0 2.379 354.3
1891.0 2.337 356.8
1892.0 2.297 359.4
1893.0 2.260 2.1
1894.0 2.226 4.8
1895.0 2.194 7.7
1896.0 2.165 10.6
1897.0 2.138 13.6
1898.0 2.115 16.7
1899.0 2.094 19.9
1900.0 2.076 23.1
1901.0 2.061 26.4
1902.0 2.048 29.7
1903.0 2.037 33.0
1904.0 2.029 36.4
1905.0 2.022 39.8
1906.0 2.016 43.2
1907.0 2.011 46.7
1908.0 2.006 50.1
1909.0 2.000 53.6
1910.0 1.994 57.1
1911.0 1.986 60.6
1912.0 1.976 64.2
1913.0 1.963 67.8
1914.0 1.946 71.4
1915.0 1.927 75.1
1916.0 1.903 79.0
1917.0 1.876 82.9
1918.0 1.845 86.9
1919.0 1.812 91.1
1920.0 1.776 95.4
1921.0 1.740 99.9
1922.0 1.704 104.6
1923.0 1.669 109.5
1924.0 1.638 114.6
1925.0 1.611 119.9
1926.0 1.591 125.4
1927.0 1.578 131.0
1928.0 1.573 136.6
1929.0 1.577 142.2
1930.0 1.591 147.8
1931.0 1.614 153.2
1932.0 1.646 158.5
1933.0 1.687 163.5
1934.0 1.736 168.3
1935.0 1.792 172.8
1936.0 1.855 177.0
1937.0 1.924 180.9
1938.0 1.997 184.5
1939.0 2.074 187.9
1940.0 2.155 191.0
1941.0 2.239 193.9
1942.0 2.325 196.6
1943.0 2.413 199.1
1944.0 2.503 201.4
1945.0 2.594 203.5
1946.0 2.685 205.5
1947.0 2.777 207.4
1948.0 2.869 209.2
1949.0 2.962 210.8
1950.0 3.054 212.4
1951.0 3.147 213.8
1952.0 3.239 215.2
1953.0 3.331 216.5
1954.0 3.422 217.7
1955.0 3.513 218.9
1956.0 3.603 220.0
1957.0 3.693 221.0
1958.0 3.782 222.0
1959.0 3.870 223.0
1960.0 3.958 223.9
1961.0 4.044 224.7
1962.0 4.130 225.6
1963.0 4.215 226.4
1964.0 4.300 227.1
1965.0 4.383 227.9
1966.0 4.466 228.6
1967.0 4.548 229.3
1968.0 4.629 229.9
1969.0 4.709 230.6
1970.0 4.788 231.2
1971.0 4.867 231.8
1972.0 4.944 232.4
1973.0 5.021 233.0
1974.0 5.097 233.5
1975.0 5.172 234.0
1976.0 5.246 234.5
1977.0 5.319 235.0
1978.0 5.392 235.5
1979.0 5.464 236.0
1980.0 5.534 236.5
1981.0 5.605 236.9
1982.0 5.674 237.4
1983.0 5.742 237.8
1984.0 5.810 238.2
1985.0 5.877 238.6
1986.0 5.943 239.0
1987.0 6.008 239.4
1988.0 6.072 239.8
1989.0 6.136 240.2
1990.0 6.199 240.5
1991.0 6.261 240.9
1992.0 6.323 241.2
1993.0 6.384 241.6
1994.0 6.444 241.9
1995.0 6.503 242.3
1996.0 6.561 242.6
1997.0 6.619 242.9
1998.0 6.676 243.2
1999.0 6.733 243.5
2000.0 6.788 243.8
2001.0 6.843 244.1
2002.0 6.898 244.4
2003.0 6.951 244.7
2004.0 7.004 245.0
2005.0 7.057 245.3
2006.0 7.108 245.6
2007.0 7.159 245.8
2008.0 7.210 246.1
2009.0 7.259 246.4
2010.0 7.308 246.6
2011.0 7.357 246.9
2012.0 7.404 247.2
2013.0 7.452 247.4
2014.0 7.498 247.7
2015.0 7.544 247.9
2016.0 7.589 248.1
2017.0 7.634 248.4
2018.0 7.678 248.6
2019.0 7.721 248.9
2020.0 7.764 249.1
2021.0 7.807 249.3
2022.0 7.848 249.6
2023.0 7.889 249.8
2024.0 7.930 250.0
2025.0 7.970 250.2
2026.0 8.009 250.4
2027.0 8.048 250.7
2028.0 8.086 250.9
2029.0 8.124 251.1
2030.0 8.161 251.3
2031.0 8.198 251.5
2032.0 8.234 251.7
2033.0 8.269 251.9
2034.0 8.304 252.1
2035.0 8.339 252.3
2036.0 8.372 252.5
2037.0 8.406 252.7
2038.0 8.439 252.9
2039.0 8.471 253.1
2040.0 8.503 253.3
2041.0 8.534 253.5
2042.0 8.565 253.7
2043.0 8.595 253.9
2044.0 8.625 254.1
2045.0 8.654 254.3
2046.0 8.682 254.4
2047.0 8.711 254.6
2048.0 8.738 254.8
2049.0 8.766 255.0
2050.0 8.792 255.2
2051.0 8.818 255.3
2052.0 8.844 255.5
2053.0 8.869 255.7
2054.0 8.894 255.9
2055.0 8.918 256.1
2056.0 8.942 256.2
2057.0 8.966 256.4
2058.0 8.988 256.6
2059.0 9.011 256.8
2060.0 9.033 256.9
2061.0 9.054 257.1
2062.0 9.075 257.3
2063.0 9.096 257.4
2064.0 9.116 257.6
2065.0 9.135 257.8
2066.0 9.154 257.9
2067.0 9.173 258.1
2068.0 9.191 258.3
2069.0 9.209 258.4
2070.0 9.226 258.6
2071.0 9.243 258.8
2072.0 9.260 258.9
2073.0 9.276 259.1
2074.0 9.291 259.2
2075.0 9.306 259.4
2076.0 9.321 259.6
2077.0 9.335 259.7
2078.0 9.349 259.9
2079.0 9.362 260.1
2080.0 9.375 260.2
2081.0 9.387 260.4
2082.0 9.399 260.5
2083.0 9.411 260.7
2084.0 9.422 260.8
2085.0 9.433 261.0
2086.0 9.443 261.2
2087.0 9.453 261.3
2088.0 9.463 261.5
2089.0 9.472 261.6
2090.0 9.480 261.8
2091.0 9.489 261.9
2092.0 9.496 262.1
2093.0 9.504 262.2
2094.0 9.511 262.4
2095.0 9.517 262.6
2096.0 9.523 262.7
2097.0 9.529 262.9
2098.0 9.534 263.0
2099.0 9.539 263.2
2100.0 9.544 263.3
2101.0 9.548 263.5
2102.0 9.551 263.6
2103.0 9.555 263.8
2104.0 9.558 263.9
2105.0 9.560 264.1
2106.0 9.562 264.2
2107.0 9.564 264.4
2108.0 9.565 264.5
2109.0 9.566 264.7
2110.0 9.566 264.8
2111.0 9.566 265.0
2112.0 9.566 265.2
2113.0 9.565 265.3
2114.0 9.564 265.5
2115.0 9.562 265.6
2116.0 9.560 265.8
2117.0 9.558 265.9
2118.0 9.555 266.1
2119.0 9.552 266.2
2120.0 9.549 266.4
2121.0 9.545 266.5
2122.0 9.540 266.7
2123.0 9.536 266.8
2124.0 9.531 267.0
2125.0 9.525 267.1
2126.0 9.519 267.3
2127.0 9.513 267.5
2128.0 9.506 267.6
2129.0 9.499 267.8
2130.0 9.492 267.9
2131.0 9.484 268.1
2132.0 9.476 268.2
2133.0 9.467 268.4
2134.0 9.458 268.5
2135.0 9.448 268.7
2136.0 9.439 268.8
2137.0 9.429 269.0
2138.0 9.418 269.2
2139.0 9.407 269.3
2140.0 9.396 269.5
2141.0 9.384 269.6
2142.0 9.372 269.8
2143.0 9.359 270.0
2144.0 9.346 270.1
2145.0 9.333 270.3
2146.0 9.320 270.4
2147.0 9.305 270.6
2148.0 9.291 270.8
2149.0 9.276 270.9
2150.0 9.261 271.1
2151.0 9.245 271.2
2152.0 9.229 271.4
2153.0 9.213 271.6
2154.0 9.196 271.7
2155.0 9.179 271.9
2156.0 9.162 272.1
2157.0 9.144 272.2
2158.0 9.126 272.4
2159.0 9.107 272.6
2160.0 9.088 272.7
2161.0 9.068 272.9
2162.0 9.049 273.1
2163.0 9.028 273.2
2164.0 9.008 273.4
2165.0 8.987 273.6
2166.0 8.966 273.8
2167.0 8.944 273.9
2168.0 8.922 274.1
2169.0 8.899 274.3
2170.0 8.876 274.5
2171.0 8.853 274.6
2172.0 8.829 274.8
2173.0 8.805 275.0
2174.0 8.781 275.2
2175.0 8.756 275.4
2176.0 8.731 275.5
2177.0 8.705 275.7
2178.0 8.679 275.9
2179.0 8.653 276.1
2180.0 8.626 276.3
2181.0 8.599 276.5
2182.0 8.571 276.7
2183.0 8.543 276.9
2184.0 8.515 277.0
2185.0 8.486 277.2
2186.0 8.457 277.4
2187.0 8.428 277.6
2188.0 8.398 277.8
2189.0 8.367 278.0
2190.0 8.337 278.2
2191.0 8.306 278.4
2192.0 8.274 278.6
2193.0 8.242 278.8
2194.0 8.210 279.0
2195.0 8.177 279.3
2196.0 8.144 279.5
2197.0 8.111 279.7
2198.0 8.077 279.9
2199.0 8.043 280.1
2200.0 8.008 280.3
2201.0 7.973 280.5
2202.0 7.938 280.8
2203.0 7.902 281.0
2204.0 7.866 281.2
2205.0 7.829 281.4
2206.0 7.792 281.7
2207.0 7.754 281.9
2208.0 7.717 282.1
2209.0 7.678 282.4
2210.0 7.640 282.6
2211.0 7.601 282.8
2212.0 7.561 283.1
2213.0 7.521 283.3
2214.0 7.481 283.6
2215.0 7.440 283.8
2216.0 7.399 284.1
2217.0 7.358 284.3
2218.0 7.316 284.6
2219.0 7.274 284.9
2220.0 7.231 285.1
2221.0 7.188 285.4
2222.0 7.144 285.7
2223.0 7.100 285.9
2224.0 7.056 286.2
2225.0 7.011 286.5
2226.0 6.966 286.8
2227.0 6.920 287.1
2228.0 6.874 287.4
2229.0 6.828 287.7
2230.0 6.781 288.0
2231.0 6.734 288.3
2232.0 6.686 288.6
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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