Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:55:39
WDS:
BU1004AB
WDS ID/Discoverer
P:
393.448
Orbital period (years)
a:
1.74415
Semi-major axis (arcseconds)
i:
136.38
Inclination (degrees)
Ω:
44.176
Longitude of ascending node (degrees)
T:
2045.055
Epoch of periastron passage (year)
e:
0.50566
Eccentricity
ω:
63.95
Longitude of periastron (degrees)
Start-Year:
1829.0
Year
End-Year:
2221.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
040203.44-342855.7
Epoch-2000 right ascension and declination
WDS-ID:
04021-3429
WDS designation
Discoverer Code:
BU1004AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
25535
HD catalog number
Hipparcos number:
18824
Hipparcos catalog number
V1:
7.26
Magnitude of the primary
V2:
7.94
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:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 1.018 39.5
-------------------------
1829.0 2.125 175.9
1830.0 2.122 175.5
1831.0 2.119 175.1
1832.0 2.116 174.7
1833.0 2.113 174.3
1834.0 2.110 173.9
1835.0 2.107 173.5
1836.0 2.104 173.1
1837.0 2.101 172.8
1838.0 2.098 172.4
1839.0 2.094 172.0
1840.0 2.091 171.6
1841.0 2.088 171.2
1842.0 2.084 170.8
1843.0 2.081 170.4
1844.0 2.077 170.0
1845.0 2.073 169.6
1846.0 2.070 169.2
1847.0 2.066 168.7
1848.0 2.062 168.3
1849.0 2.058 167.9
1850.0 2.054 167.5
1851.0 2.051 167.1
1852.0 2.047 166.7
1853.0 2.043 166.3
1854.0 2.038 165.9
1855.0 2.034 165.4
1856.0 2.030 165.0
1857.0 2.026 164.6
1858.0 2.022 164.2
1859.0 2.018 163.7
1860.0 2.013 163.3
1861.0 2.009 162.9
1862.0 2.004 162.5
1863.0 2.000 162.0
1864.0 1.996 161.6
1865.0 1.991 161.1
1866.0 1.987 160.7
1867.0 1.982 160.3
1868.0 1.977 159.8
1869.0 1.973 159.4
1870.0 1.968 158.9
1871.0 1.963 158.5
1872.0 1.959 158.0
1873.0 1.954 157.6
1874.0 1.949 157.1
1875.0 1.944 156.7
1876.0 1.940 156.2
1877.0 1.935 155.7
1878.0 1.930 155.3
1879.0 1.925 154.8
1880.0 1.920 154.3
1881.0 1.915 153.9
1882.0 1.910 153.4
1883.0 1.905 152.9
1884.0 1.900 152.4
1885.0 1.895 151.9
1886.0 1.890 151.5
1887.0 1.885 151.0
1888.0 1.880 150.5
1889.0 1.875 150.0
1890.0 1.870 149.5
1891.0 1.865 149.0
1892.0 1.859 148.5
1893.0 1.854 148.0
1894.0 1.849 147.5
1895.0 1.844 147.0
1896.0 1.839 146.5
1897.0 1.834 145.9
1898.0 1.828 145.4
1899.0 1.823 144.9
1900.0 1.818 144.4
1901.0 1.813 143.8
1902.0 1.808 143.3
1903.0 1.802 142.8
1904.0 1.797 142.2
1905.0 1.792 141.7
1906.0 1.787 141.2
1907.0 1.781 140.6
1908.0 1.776 140.1
1909.0 1.771 139.5
1910.0 1.766 139.0
1911.0 1.761 138.4
1912.0 1.755 137.8
1913.0 1.750 137.3
1914.0 1.745 136.7
1915.0 1.740 136.1
1916.0 1.734 135.6
1917.0 1.729 135.0
1918.0 1.724 134.4
1919.0 1.719 133.8
1920.0 1.714 133.2
1921.0 1.709 132.6
1922.0 1.703 132.0
1923.0 1.698 131.4
1924.0 1.693 130.8
1925.0 1.688 130.2
1926.0 1.683 129.6
1927.0 1.678 129.0
1928.0 1.673 128.4
1929.0 1.667 127.7
1930.0 1.662 127.1
1931.0 1.657 126.5
1932.0 1.652 125.8
1933.0 1.647 125.2
1934.0 1.642 124.6
1935.0 1.637 123.9
1936.0 1.632 123.3
1937.0 1.627 122.6
1938.0 1.622 122.0
1939.0 1.617 121.3
1940.0 1.612 120.6
1941.0 1.607 120.0
1942.0 1.603 119.3
1943.0 1.598 118.6
1944.0 1.593 117.9
1945.0 1.588 117.2
1946.0 1.583 116.5
1947.0 1.578 115.8
1948.0 1.573 115.1
1949.0 1.568 114.4
1950.0 1.564 113.7
1951.0 1.559 113.0
1952.0 1.554 112.3
1953.0 1.549 111.6
1954.0 1.545 110.9
1955.0 1.540 110.1
1956.0 1.535 109.4
1957.0 1.530 108.6
1958.0 1.526 107.9
1959.0 1.521 107.2
1960.0 1.516 106.4
1961.0 1.511 105.6
1962.0 1.507 104.9
1963.0 1.502 104.1
1964.0 1.497 103.3
1965.0 1.492 102.6
1966.0 1.488 101.8
1967.0 1.483 101.0
1968.0 1.478 100.2
1969.0 1.473 99.4
1970.0 1.468 98.6
1971.0 1.464 97.8
1972.0 1.459 97.0
1973.0 1.454 96.1
1974.0 1.449 95.3
1975.0 1.444 94.5
1976.0 1.439 93.7
1977.0 1.434 92.8
1978.0 1.429 92.0
1979.0 1.424 91.1
1980.0 1.419 90.2
1981.0 1.414 89.4
1982.0 1.408 88.5
1983.0 1.403 87.6
1984.0 1.398 86.7
1985.0 1.392 85.8
1986.0 1.387 84.9
1987.0 1.381 84.0
1988.0 1.375 83.1
1989.0 1.369 82.2
1990.0 1.364 81.3
1991.0 1.358 80.3
1992.0 1.351 79.4
1993.0 1.345 78.4
1994.0 1.339 77.5
1995.0 1.332 76.5
1996.0 1.325 75.5
1997.0 1.319 74.5
1998.0 1.312 73.5
1999.0 1.304 72.5
2000.0 1.297 71.5
2001.0 1.289 70.4
2002.0 1.282 69.4
2003.0 1.274 68.3
2004.0 1.265 67.2
2005.0 1.257 66.1
2006.0 1.248 65.0
2007.0 1.239 63.9
2008.0 1.230 62.8
2009.0 1.220 61.6
2010.0 1.210 60.4
2011.0 1.200 59.2
2012.0 1.190 58.0
2013.0 1.179 56.8
2014.0 1.168 55.5
2015.0 1.156 54.2
2016.0 1.144 52.9
2017.0 1.132 51.6
2018.0 1.119 50.2
2019.0 1.106 48.8
2020.0 1.092 47.3
2021.0 1.078 45.9
2022.0 1.064 44.4
2023.0 1.049 42.8
2024.0 1.034 41.2
2025.0 1.018 39.5
2026.0 1.002 37.8
2027.0 0.986 36.1
2028.0 0.969 34.3
2029.0 0.951 32.4
2030.0 0.934 30.4
2031.0 0.916 28.4
2032.0 0.898 26.3
2033.0 0.879 24.1
2034.0 0.861 21.8
2035.0 0.842 19.4
2036.0 0.823 16.9
2037.0 0.805 14.2
2038.0 0.787 11.5
2039.0 0.769 8.6
2040.0 0.751 5.6
2041.0 0.734 2.5
2042.0 0.719 359.2
2043.0 0.704 355.7
2044.0 0.690 352.1
2045.0 0.677 348.4
2046.0 0.666 344.6
2047.0 0.657 340.6
2048.0 0.650 336.5
2049.0 0.644 332.4
2050.0 0.641 328.2
2051.0 0.640 323.9
2052.0 0.641 319.7
2053.0 0.645 315.5
2054.0 0.650 311.3
2055.0 0.658 307.3
2056.0 0.668 303.3
2057.0 0.679 299.5
2058.0 0.693 295.8
2059.0 0.708 292.2
2060.0 0.724 288.8
2061.0 0.742 285.6
2062.0 0.761 282.5
2063.0 0.781 279.6
2064.0 0.802 276.8
2065.0 0.824 274.2
2066.0 0.846 271.7
2067.0 0.868 269.3
2068.0 0.891 267.1
2069.0 0.915 265.0
2070.0 0.938 262.9
2071.0 0.962 261.0
2072.0 0.985 259.2
2073.0 1.009 257.4
2074.0 1.033 255.7
2075.0 1.057 254.2
2076.0 1.080 252.6
2077.0 1.103 251.2
2078.0 1.127 249.8
2079.0 1.150 248.4
2080.0 1.172 247.1
2081.0 1.195 245.9
2082.0 1.217 244.7
2083.0 1.239 243.6
2084.0 1.261 242.4
2085.0 1.283 241.4
2086.0 1.304 240.3
2087.0 1.325 239.3
2088.0 1.345 238.3
2089.0 1.365 237.4
2090.0 1.385 236.5
2091.0 1.405 235.6
2092.0 1.424 234.7
2093.0 1.443 233.9
2094.0 1.462 233.0
2095.0 1.480 232.2
2096.0 1.498 231.5
2097.0 1.516 230.7
2098.0 1.533 229.9
2099.0 1.550 229.2
2100.0 1.567 228.5
2101.0 1.583 227.8
2102.0 1.600 227.1
2103.0 1.615 226.4
2104.0 1.631 225.8
2105.0 1.646 225.1
2106.0 1.661 224.5
2107.0 1.676 223.9
2108.0 1.690 223.3
2109.0 1.704 222.7
2110.0 1.718 222.1
2111.0 1.732 221.5
2112.0 1.745 220.9
2113.0 1.758 220.3
2114.0 1.771 219.8
2115.0 1.783 219.2
2116.0 1.795 218.7
2117.0 1.807 218.1
2118.0 1.819 217.6
2119.0 1.831 217.1
2120.0 1.842 216.6
2121.0 1.853 216.1
2122.0 1.864 215.6
2123.0 1.874 215.1
2124.0 1.884 214.6
2125.0 1.894 214.1
2126.0 1.904 213.6
2127.0 1.914 213.1
2128.0 1.923 212.7
2129.0 1.932 212.2
2130.0 1.941 211.7
2131.0 1.950 211.3
2132.0 1.958 210.8
2133.0 1.967 210.4
2134.0 1.975 209.9
2135.0 1.983 209.5
2136.0 1.990 209.0
2137.0 1.998 208.6
2138.0 2.005 208.2
2139.0 2.012 207.7
2140.0 2.019 207.3
2141.0 2.026 206.9
2142.0 2.033 206.5
2143.0 2.039 206.0
2144.0 2.045 205.6
2145.0 2.051 205.2
2146.0 2.057 204.8
2147.0 2.063 204.4
2148.0 2.068 204.0
2149.0 2.074 203.6
2150.0 2.079 203.2
2151.0 2.084 202.8
2152.0 2.089 202.4
2153.0 2.093 202.0
2154.0 2.098 201.6
2155.0 2.102 201.2
2156.0 2.107 200.8
2157.0 2.111 200.4
2158.0 2.115 200.0
2159.0 2.119 199.6
2160.0 2.122 199.2
2161.0 2.126 198.8
2162.0 2.129 198.5
2163.0 2.132 198.1
2164.0 2.135 197.7
2165.0 2.138 197.3
2166.0 2.141 196.9
2167.0 2.144 196.6
2168.0 2.146 196.2
2169.0 2.149 195.8
2170.0 2.151 195.4
2171.0 2.153 195.0
2172.0 2.155 194.7
2173.0 2.157 194.3
2174.0 2.159 193.9
2175.0 2.161 193.6
2176.0 2.162 193.2
2177.0 2.164 192.8
2178.0 2.165 192.4
2179.0 2.166 192.1
2180.0 2.167 191.7
2181.0 2.168 191.3
2182.0 2.169 191.0
2183.0 2.170 190.6
2184.0 2.170 190.2
2185.0 2.171 189.9
2186.0 2.171 189.5
2187.0 2.172 189.1
2188.0 2.172 188.7
2189.0 2.172 188.4
2190.0 2.172 188.0
2191.0 2.172 187.6
2192.0 2.172 187.3
2193.0 2.171 186.9
2194.0 2.171 186.5
2195.0 2.171 186.2
2196.0 2.170 185.8
2197.0 2.169 185.4
2198.0 2.169 185.1
2199.0 2.168 184.7
2200.0 2.167 184.3
2201.0 2.166 183.9
2202.0 2.165 183.6
2203.0 2.164 183.2
2204.0 2.162 182.8
2205.0 2.161 182.5
2206.0 2.159 182.1
2207.0 2.158 181.7
2208.0 2.156 181.3
2209.0 2.155 181.0
2210.0 2.153 180.6
2211.0 2.151 180.2
2212.0 2.149 179.8
2213.0 2.147 179.5
2214.0 2.145 179.1
2215.0 2.143 178.7
2216.0 2.141 178.3
2217.0 2.138 178.0
2218.0 2.136 177.6
2219.0 2.133 177.2
2220.0 2.131 176.8
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 .
www.stella-vega.de