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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:46:23
WDS:
STF367
WDS ID/Discoverer
P:
370.108
Orbital period (years)
a:
1.0048
Semi-major axis (arcseconds)
i:
127.821
Inclination (degrees)
Ω:
101.034
Longitude of ascending node (degrees)
T:
1838.187
Epoch of periastron passage (year)
e:
0.4734
Eccentricity
ω:
139.915
Longitude of periastron (degrees)
Start-Year:
1840.0
Year
End-Year:
2210.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
031402.91+004421.3
Epoch-2000 right ascension and declination
WDS-ID:
03140+0044
WDS designation
Discoverer Code:
STF367
Discover designation and components
ADS number:
2416
Aitken Double Star catalog
HD number:
20115
HD catalog number
Hipparcos number:
15058
Hipparcos catalog number
V1:
8.14
Magnitude of the primary
V2:
8.17
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
Date of last observation
Orbit grade:
3
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 1.281 127.8
-------------------------
1840.0 0.474 303.9
1841.0 0.484 301.6
1842.0 0.494 299.3
1843.0 0.503 297.2
1844.0 0.513 295.2
1845.0 0.522 293.2
1846.0 0.530 291.3
1847.0 0.538 289.4
1848.0 0.546 287.6
1849.0 0.554 285.8
1850.0 0.561 284.1
1851.0 0.567 282.5
1852.0 0.573 280.8
1853.0 0.579 279.2
1854.0 0.584 277.7
1855.0 0.589 276.1
1856.0 0.593 274.6
1857.0 0.597 273.1
1858.0 0.601 271.6
1859.0 0.604 270.2
1860.0 0.607 268.7
1861.0 0.609 267.3
1862.0 0.612 265.9
1863.0 0.614 264.4
1864.0 0.615 263.0
1865.0 0.617 261.6
1866.0 0.618 260.2
1867.0 0.619 258.9
1868.0 0.620 257.5
1869.0 0.620 256.1
1870.0 0.621 254.7
1871.0 0.621 253.3
1872.0 0.621 252.0
1873.0 0.621 250.6
1874.0 0.621 249.2
1875.0 0.621 247.8
1876.0 0.621 246.5
1877.0 0.621 245.1
1878.0 0.621 243.7
1879.0 0.621 242.3
1880.0 0.621 241.0
1881.0 0.620 239.6
1882.0 0.620 238.2
1883.0 0.620 236.8
1884.0 0.620 235.5
1885.0 0.620 234.1
1886.0 0.620 232.7
1887.0 0.620 231.3
1888.0 0.620 229.9
1889.0 0.621 228.6
1890.0 0.621 227.2
1891.0 0.622 225.8
1892.0 0.622 224.4
1893.0 0.623 223.1
1894.0 0.624 221.7
1895.0 0.625 220.3
1896.0 0.626 219.0
1897.0 0.627 217.6
1898.0 0.629 216.3
1899.0 0.630 215.0
1900.0 0.632 213.6
1901.0 0.634 212.3
1902.0 0.636 211.0
1903.0 0.638 209.7
1904.0 0.640 208.4
1905.0 0.642 207.1
1906.0 0.645 205.8
1907.0 0.648 204.5
1908.0 0.650 203.3
1909.0 0.653 202.0
1910.0 0.657 200.8
1911.0 0.660 199.6
1912.0 0.663 198.3
1913.0 0.667 197.1
1914.0 0.670 196.0
1915.0 0.674 194.8
1916.0 0.678 193.6
1917.0 0.682 192.5
1918.0 0.686 191.3
1919.0 0.691 190.2
1920.0 0.695 189.1
1921.0 0.700 188.0
1922.0 0.705 187.0
1923.0 0.709 185.9
1924.0 0.714 184.8
1925.0 0.719 183.8
1926.0 0.724 182.8
1927.0 0.729 181.8
1928.0 0.735 180.8
1929.0 0.740 179.8
1930.0 0.746 178.9
1931.0 0.751 177.9
1932.0 0.757 177.0
1933.0 0.762 176.1
1934.0 0.768 175.2
1935.0 0.774 174.3
1936.0 0.780 173.4
1937.0 0.786 172.5
1938.0 0.792 171.7
1939.0 0.798 170.8
1940.0 0.804 170.0
1941.0 0.810 169.2
1942.0 0.816 168.4
1943.0 0.822 167.6
1944.0 0.829 166.8
1945.0 0.835 166.1
1946.0 0.841 165.3
1947.0 0.848 164.6
1948.0 0.854 163.8
1949.0 0.860 163.1
1950.0 0.867 162.4
1951.0 0.873 161.7
1952.0 0.880 161.0
1953.0 0.886 160.3
1954.0 0.893 159.6
1955.0 0.899 159.0
1956.0 0.906 158.3
1957.0 0.912 157.7
1958.0 0.919 157.1
1959.0 0.925 156.4
1960.0 0.932 155.8
1961.0 0.938 155.2
1962.0 0.945 154.6
1963.0 0.951 154.0
1964.0 0.958 153.4
1965.0 0.964 152.9
1966.0 0.971 152.3
1967.0 0.977 151.7
1968.0 0.983 151.2
1969.0 0.990 150.6
1970.0 0.996 150.1
1971.0 1.003 149.6
1972.0 1.009 149.0
1973.0 1.015 148.5
1974.0 1.022 148.0
1975.0 1.028 147.5
1976.0 1.034 147.0
1977.0 1.040 146.5
1978.0 1.046 146.0
1979.0 1.053 145.6
1980.0 1.059 145.1
1981.0 1.065 144.6
1982.0 1.071 144.1
1983.0 1.077 143.7
1984.0 1.083 143.2
1985.0 1.089 142.8
1986.0 1.094 142.3
1987.0 1.100 141.9
1988.0 1.106 141.5
1989.0 1.112 141.0
1990.0 1.117 140.6
1991.0 1.123 140.2
1992.0 1.129 139.8
1993.0 1.134 139.3
1994.0 1.140 138.9
1995.0 1.145 138.5
1996.0 1.151 138.1
1997.0 1.156 137.7
1998.0 1.161 137.3
1999.0 1.166 136.9
2000.0 1.172 136.5
2001.0 1.177 136.2
2002.0 1.182 135.8
2003.0 1.187 135.4
2004.0 1.192 135.0
2005.0 1.197 134.7
2006.0 1.202 134.3
2007.0 1.206 133.9
2008.0 1.211 133.6
2009.0 1.216 133.2
2010.0 1.220 132.8
2011.0 1.225 132.5
2012.0 1.229 132.1
2013.0 1.234 131.8
2014.0 1.238 131.4
2015.0 1.242 131.1
2016.0 1.246 130.7
2017.0 1.251 130.4
2018.0 1.255 130.1
2019.0 1.259 129.7
2020.0 1.262 129.4
2021.0 1.266 129.1
2022.0 1.270 128.7
2023.0 1.274 128.4
2024.0 1.277 128.1
2025.0 1.281 127.8
2026.0 1.284 127.4
2027.0 1.288 127.1
2028.0 1.291 126.8
2029.0 1.294 126.5
2030.0 1.298 126.2
2031.0 1.301 125.9
2032.0 1.304 125.5
2033.0 1.307 125.2
2034.0 1.309 124.9
2035.0 1.312 124.6
2036.0 1.315 124.3
2037.0 1.317 124.0
2038.0 1.320 123.7
2039.0 1.322 123.4
2040.0 1.325 123.1
2041.0 1.327 122.8
2042.0 1.329 122.5
2043.0 1.331 122.2
2044.0 1.333 121.9
2045.0 1.335 121.6
2046.0 1.337 121.3
2047.0 1.339 121.0
2048.0 1.341 120.7
2049.0 1.342 120.4
2050.0 1.344 120.1
2051.0 1.345 119.8
2052.0 1.346 119.5
2053.0 1.348 119.2
2054.0 1.349 118.9
2055.0 1.350 118.6
2056.0 1.351 118.4
2057.0 1.351 118.1
2058.0 1.352 117.8
2059.0 1.353 117.5
2060.0 1.353 117.2
2061.0 1.354 116.9
2062.0 1.354 116.6
2063.0 1.354 116.3
2064.0 1.354 116.0
2065.0 1.354 115.7
2066.0 1.354 115.5
2067.0 1.354 115.2
2068.0 1.354 114.9
2069.0 1.354 114.6
2070.0 1.353 114.3
2071.0 1.352 114.0
2072.0 1.352 113.7
2073.0 1.351 113.4
2074.0 1.350 113.1
2075.0 1.349 112.8
2076.0 1.348 112.6
2077.0 1.347 112.3
2078.0 1.345 112.0
2079.0 1.344 111.7
2080.0 1.342 111.4
2081.0 1.341 111.1
2082.0 1.339 110.8
2083.0 1.337 110.5
2084.0 1.335 110.2
2085.0 1.333 109.9
2086.0 1.330 109.6
2087.0 1.328 109.3
2088.0 1.325 109.0
2089.0 1.323 108.7
2090.0 1.320 108.4
2091.0 1.317 108.1
2092.0 1.314 107.8
2093.0 1.311 107.5
2094.0 1.308 107.2
2095.0 1.304 106.9
2096.0 1.301 106.5
2097.0 1.297 106.2
2098.0 1.293 105.9
2099.0 1.289 105.6
2100.0 1.285 105.3
2101.0 1.281 104.9
2102.0 1.277 104.6
2103.0 1.272 104.3
2104.0 1.268 104.0
2105.0 1.263 103.6
2106.0 1.258 103.3
2107.0 1.253 103.0
2108.0 1.248 102.6
2109.0 1.243 102.3
2110.0 1.237 101.9
2111.0 1.232 101.6
2112.0 1.226 101.2
2113.0 1.220 100.9
2114.0 1.214 100.5
2115.0 1.208 100.2
2116.0 1.201 99.8
2117.0 1.195 99.4
2118.0 1.188 99.1
2119.0 1.181 98.7
2120.0 1.174 98.3
2121.0 1.167 97.9
2122.0 1.160 97.5
2123.0 1.153 97.1
2124.0 1.145 96.7
2125.0 1.137 96.3
2126.0 1.129 95.9
2127.0 1.121 95.5
2128.0 1.113 95.1
2129.0 1.105 94.6
2130.0 1.096 94.2
2131.0 1.087 93.7
2132.0 1.078 93.3
2133.0 1.069 92.8
2134.0 1.060 92.4
2135.0 1.050 91.9
2136.0 1.041 91.4
2137.0 1.031 90.9
2138.0 1.021 90.4
2139.0 1.011 89.9
2140.0 1.000 89.4
2141.0 0.990 88.8
2142.0 0.979 88.3
2143.0 0.968 87.7
2144.0 0.957 87.1
2145.0 0.946 86.6
2146.0 0.935 86.0
2147.0 0.923 85.3
2148.0 0.911 84.7
2149.0 0.899 84.1
2150.0 0.887 83.4
2151.0 0.875 82.7
2152.0 0.862 82.0
2153.0 0.850 81.3
2154.0 0.837 80.5
2155.0 0.824 79.8
2156.0 0.811 79.0
2157.0 0.797 78.2
2158.0 0.784 77.3
2159.0 0.770 76.4
2160.0 0.756 75.5
2161.0 0.742 74.6
2162.0 0.728 73.6
2163.0 0.714 72.6
2164.0 0.700 71.5
2165.0 0.685 70.4
2166.0 0.671 69.3
2167.0 0.656 68.1
2168.0 0.641 66.8
2169.0 0.627 65.5
2170.0 0.612 64.1
2171.0 0.597 62.6
2172.0 0.582 61.1
2173.0 0.568 59.5
2174.0 0.553 57.8
2175.0 0.538 56.0
2176.0 0.524 54.2
2177.0 0.510 52.2
2178.0 0.496 50.1
2179.0 0.482 47.9
2180.0 0.469 45.5
2181.0 0.456 43.0
2182.0 0.443 40.4
2183.0 0.431 37.6
2184.0 0.420 34.7
2185.0 0.409 31.6
2186.0 0.399 28.4
2187.0 0.390 24.9
2188.0 0.383 21.4
2189.0 0.376 17.7
2190.0 0.370 13.9
2191.0 0.365 10.0
2192.0 0.362 5.9
2193.0 0.360 1.9
2194.0 0.359 357.8
2195.0 0.360 353.6
2196.0 0.362 349.6
2197.0 0.365 345.5
2198.0 0.369 341.6
2199.0 0.374 337.7
2200.0 0.380 334.0
2201.0 0.388 330.4
2202.0 0.395 327.0
2203.0 0.404 323.6
2204.0 0.413 320.5
2205.0 0.423 317.4
2206.0 0.432 314.5
2207.0 0.442 311.7
2208.0 0.453 309.1
2209.0 0.463 306.6
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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