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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:42:20
WDS:
STF1273AB,C
WDS ID/Discoverer
P:
371.898
Orbital period (years)
a:
3.09562
Semi-major axis (arcseconds)
i:
46.879
Inclination (degrees)
Ω:
162.512
Longitude of ascending node (degrees)
T:
2085.920
Epoch of periastron passage (year)
e:
0.47195
Eccentricity
ω:
256.87
Longitude of periastron (degrees)
Start-Year:
1840.0
Year
End-Year:
2210.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
084646.51+062507.7
Epoch-2000 right ascension and declination
WDS-ID:
08468+0625
WDS designation
Discoverer Code:
STF1273AB,C
Discover designation and components
ADS number:
6993
Aitken Double Star catalog
HD number:
74874
HD catalog number
Hipparcos number:
43109
Hipparcos catalog number
V1:
3.49
Magnitude of the primary
V2:
6.66
Magnitude of the secondary
Equinox:
Equinox
Date:
2014
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 2.678 314.7
-------------------------
1840.0 3.442 203.6
1841.0 3.441 204.1
1842.0 3.440 204.6
1843.0 3.438 205.1
1844.0 3.437 205.5
1845.0 3.435 206.0
1846.0 3.433 206.5
1847.0 3.431 207.0
1848.0 3.429 207.4
1849.0 3.427 207.9
1850.0 3.424 208.4
1851.0 3.422 208.9
1852.0 3.419 209.3
1853.0 3.416 209.8
1854.0 3.413 210.3
1855.0 3.410 210.8
1856.0 3.407 211.3
1857.0 3.404 211.7
1858.0 3.401 212.2
1859.0 3.397 212.7
1860.0 3.394 213.2
1861.0 3.390 213.7
1862.0 3.386 214.2
1863.0 3.383 214.7
1864.0 3.379 215.1
1865.0 3.375 215.6
1866.0 3.371 216.1
1867.0 3.367 216.6
1868.0 3.363 217.1
1869.0 3.358 217.6
1870.0 3.354 218.1
1871.0 3.350 218.6
1872.0 3.345 219.1
1873.0 3.341 219.6
1874.0 3.336 220.1
1875.0 3.331 220.6
1876.0 3.327 221.1
1877.0 3.322 221.6
1878.0 3.317 222.1
1879.0 3.312 222.6
1880.0 3.308 223.1
1881.0 3.303 223.7
1882.0 3.298 224.2
1883.0 3.293 224.7
1884.0 3.288 225.2
1885.0 3.283 225.7
1886.0 3.278 226.2
1887.0 3.273 226.8
1888.0 3.267 227.3
1889.0 3.262 227.8
1890.0 3.257 228.3
1891.0 3.252 228.9
1892.0 3.247 229.4
1893.0 3.241 229.9
1894.0 3.236 230.5
1895.0 3.231 231.0
1896.0 3.226 231.5
1897.0 3.221 232.1
1898.0 3.215 232.6
1899.0 3.210 233.1
1900.0 3.205 233.7
1901.0 3.200 234.2
1902.0 3.194 234.8
1903.0 3.189 235.3
1904.0 3.184 235.9
1905.0 3.179 236.4
1906.0 3.173 237.0
1907.0 3.168 237.5
1908.0 3.163 238.1
1909.0 3.158 238.7
1910.0 3.153 239.2
1911.0 3.148 239.8
1912.0 3.142 240.3
1913.0 3.137 240.9
1914.0 3.132 241.5
1915.0 3.127 242.1
1916.0 3.122 242.6
1917.0 3.117 243.2
1918.0 3.112 243.8
1919.0 3.107 244.4
1920.0 3.103 244.9
1921.0 3.098 245.5
1922.0 3.093 246.1
1923.0 3.088 246.7
1924.0 3.083 247.3
1925.0 3.079 247.9
1926.0 3.074 248.5
1927.0 3.069 249.0
1928.0 3.065 249.6
1929.0 3.060 250.2
1930.0 3.056 250.8
1931.0 3.051 251.4
1932.0 3.047 252.0
1933.0 3.043 252.6
1934.0 3.038 253.2
1935.0 3.034 253.8
1936.0 3.030 254.5
1937.0 3.026 255.1
1938.0 3.022 255.7
1939.0 3.017 256.3
1940.0 3.013 256.9
1941.0 3.009 257.5
1942.0 3.005 258.1
1943.0 3.002 258.8
1944.0 2.998 259.4
1945.0 2.994 260.0
1946.0 2.990 260.6
1947.0 2.987 261.3
1948.0 2.983 261.9
1949.0 2.979 262.5
1950.0 2.976 263.1
1951.0 2.972 263.8
1952.0 2.969 264.4
1953.0 2.965 265.0
1954.0 2.962 265.7
1955.0 2.959 266.3
1956.0 2.956 267.0
1957.0 2.952 267.6
1958.0 2.949 268.2
1959.0 2.946 268.9
1960.0 2.943 269.5
1961.0 2.940 270.2
1962.0 2.937 270.8
1963.0 2.934 271.5
1964.0 2.931 272.1
1965.0 2.928 272.8
1966.0 2.925 273.4
1967.0 2.922 274.1
1968.0 2.919 274.7
1969.0 2.916 275.4
1970.0 2.914 276.0
1971.0 2.911 276.7
1972.0 2.908 277.4
1973.0 2.905 278.0
1974.0 2.903 278.7
1975.0 2.900 279.4
1976.0 2.897 280.0
1977.0 2.895 280.7
1978.0 2.892 281.4
1979.0 2.889 282.0
1980.0 2.887 282.7
1981.0 2.884 283.4
1982.0 2.881 284.0
1983.0 2.878 284.7
1984.0 2.876 285.4
1985.0 2.873 286.1
1986.0 2.870 286.7
1987.0 2.867 287.4
1988.0 2.864 288.1
1989.0 2.861 288.8
1990.0 2.859 289.5
1991.0 2.856 290.2
1992.0 2.853 290.8
1993.0 2.849 291.5
1994.0 2.846 292.2
1995.0 2.843 292.9
1996.0 2.840 293.6
1997.0 2.836 294.3
1998.0 2.833 295.0
1999.0 2.829 295.7
2000.0 2.826 296.4
2001.0 2.822 297.1
2002.0 2.818 297.8
2003.0 2.814 298.5
2004.0 2.810 299.2
2005.0 2.805 299.9
2006.0 2.801 300.6
2007.0 2.796 301.3
2008.0 2.792 302.1
2009.0 2.787 302.8
2010.0 2.782 303.5
2011.0 2.777 304.2
2012.0 2.771 304.9
2013.0 2.766 305.7
2014.0 2.760 306.4
2015.0 2.754 307.1
2016.0 2.747 307.9
2017.0 2.741 308.6
2018.0 2.734 309.4
2019.0 2.727 310.1
2020.0 2.720 310.9
2021.0 2.712 311.6
2022.0 2.704 312.4
2023.0 2.696 313.2
2024.0 2.687 313.9
2025.0 2.678 314.7
2026.0 2.669 315.5
2027.0 2.659 316.3
2028.0 2.650 317.1
2029.0 2.639 317.9
2030.0 2.628 318.7
2031.0 2.617 319.5
2032.0 2.605 320.3
2033.0 2.593 321.1
2034.0 2.581 322.0
2035.0 2.568 322.8
2036.0 2.554 323.7
2037.0 2.540 324.5
2038.0 2.525 325.4
2039.0 2.510 326.3
2040.0 2.494 327.2
2041.0 2.478 328.1
2042.0 2.461 329.0
2043.0 2.443 329.9
2044.0 2.425 330.9
2045.0 2.406 331.8
2046.0 2.386 332.8
2047.0 2.366 333.8
2048.0 2.345 334.8
2049.0 2.323 335.8
2050.0 2.300 336.9
2051.0 2.277 337.9
2052.0 2.252 339.0
2053.0 2.227 340.1
2054.0 2.201 341.3
2055.0 2.175 342.4
2056.0 2.147 343.6
2057.0 2.118 344.9
2058.0 2.089 346.1
2059.0 2.059 347.4
2060.0 2.028 348.8
2061.0 1.996 350.2
2062.0 1.963 351.6
2063.0 1.929 353.1
2064.0 1.894 354.6
2065.0 1.859 356.2
2066.0 1.823 357.8
2067.0 1.786 359.5
2068.0 1.749 1.3
2069.0 1.711 3.2
2070.0 1.672 5.2
2071.0 1.633 7.2
2072.0 1.594 9.4
2073.0 1.555 11.6
2074.0 1.516 14.0
2075.0 1.477 16.5
2076.0 1.439 19.1
2077.0 1.401 21.9
2078.0 1.365 24.8
2079.0 1.329 27.9
2080.0 1.296 31.1
2081.0 1.264 34.5
2082.0 1.235 38.1
2083.0 1.208 41.9
2084.0 1.185 45.8
2085.0 1.165 49.8
2086.0 1.149 54.0
2087.0 1.136 58.3
2088.0 1.128 62.7
2089.0 1.125 67.1
2090.0 1.126 71.5
2091.0 1.131 75.9
2092.0 1.141 80.2
2093.0 1.156 84.4
2094.0 1.174 88.6
2095.0 1.196 92.5
2096.0 1.222 96.4
2097.0 1.251 100.0
2098.0 1.282 103.5
2099.0 1.316 106.8
2100.0 1.352 110.0
2101.0 1.390 113.0
2102.0 1.430 115.8
2103.0 1.470 118.4
2104.0 1.512 120.9
2105.0 1.554 123.3
2106.0 1.597 125.6
2107.0 1.640 127.7
2108.0 1.684 129.7
2109.0 1.727 131.7
2110.0 1.771 133.5
2111.0 1.814 135.2
2112.0 1.857 136.9
2113.0 1.900 138.5
2114.0 1.942 140.0
2115.0 1.984 141.4
2116.0 2.025 142.8
2117.0 2.065 144.2
2118.0 2.105 145.4
2119.0 2.145 146.7
2120.0 2.184 147.9
2121.0 2.222 149.0
2122.0 2.259 150.1
2123.0 2.296 151.2
2124.0 2.332 152.3
2125.0 2.367 153.3
2126.0 2.401 154.3
2127.0 2.435 155.2
2128.0 2.468 156.1
2129.0 2.500 157.1
2130.0 2.532 157.9
2131.0 2.563 158.8
2132.0 2.593 159.6
2133.0 2.622 160.5
2134.0 2.651 161.3
2135.0 2.679 162.1
2136.0 2.706 162.8
2137.0 2.733 163.6
2138.0 2.759 164.3
2139.0 2.784 165.1
2140.0 2.809 165.8
2141.0 2.833 166.5
2142.0 2.856 167.2
2143.0 2.879 167.8
2144.0 2.901 168.5
2145.0 2.923 169.2
2146.0 2.944 169.8
2147.0 2.964 170.5
2148.0 2.984 171.1
2149.0 3.003 171.7
2150.0 3.022 172.3
2151.0 3.040 172.9
2152.0 3.058 173.5
2153.0 3.075 174.1
2154.0 3.092 174.7
2155.0 3.108 175.3
2156.0 3.124 175.9
2157.0 3.139 176.4
2158.0 3.154 177.0
2159.0 3.168 177.6
2160.0 3.182 178.1
2161.0 3.195 178.7
2162.0 3.208 179.2
2163.0 3.220 179.8
2164.0 3.232 180.3
2165.0 3.244 180.8
2166.0 3.255 181.4
2167.0 3.266 181.9
2168.0 3.277 182.4
2169.0 3.287 182.9
2170.0 3.296 183.4
2171.0 3.306 184.0
2172.0 3.315 184.5
2173.0 3.323 185.0
2174.0 3.331 185.5
2175.0 3.339 186.0
2176.0 3.347 186.5
2177.0 3.354 187.0
2178.0 3.361 187.5
2179.0 3.368 188.0
2180.0 3.374 188.5
2181.0 3.380 189.0
2182.0 3.386 189.4
2183.0 3.391 189.9
2184.0 3.396 190.4
2185.0 3.401 190.9
2186.0 3.405 191.4
2187.0 3.410 191.9
2188.0 3.414 192.3
2189.0 3.417 192.8
2190.0 3.421 193.3
2191.0 3.424 193.8
2192.0 3.427 194.3
2193.0 3.430 194.7
2194.0 3.432 195.2
2195.0 3.435 195.7
2196.0 3.437 196.2
2197.0 3.439 196.6
2198.0 3.440 197.1
2199.0 3.442 197.6
2200.0 3.443 198.0
2201.0 3.444 198.5
2202.0 3.444 199.0
2203.0 3.445 199.5
2204.0 3.445 199.9
2205.0 3.446 200.4
2206.0 3.446 200.9
2207.0 3.446 201.3
2208.0 3.445 201.8
2209.0 3.445 202.3
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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