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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:33:10
WDS:
COU613
WDS ID/Discoverer
P:
452.000
Orbital period (years)
a:
0.49
Semi-major axis (arcseconds)
i:
73.1
Inclination (degrees)
Ω:
152.5
Longitude of ascending node (degrees)
T:
1960.000
Epoch of periastron passage (year)
e:
0.503
Eccentricity
ω:
147.9
Longitude of periastron (degrees)
Start-Year:
1799.0
Year
End-Year:
2251.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
154033.18+312819.8
Epoch-2000 right ascension and declination
WDS-ID:
15406+3128
WDS designation
Discoverer Code:
COU613
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
140065
HD catalog number
Hipparcos number:
76777
Hipparcos catalog number
V1:
9.11
Magnitude of the primary
V2:
10.18
Magnitude of the secondary
Equinox:
Equinox
Date:
Date of last observation
Orbit grade:
5
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 0.153 29.3
-------------------------
1799.0 0.679 149.1
1800.0 0.678 149.2
1801.0 0.678 149.3
1802.0 0.677 149.4
1803.0 0.676 149.6
1804.0 0.675 149.7
1805.0 0.674 149.8
1806.0 0.673 149.9
1807.0 0.673 150.0
1808.0 0.672 150.1
1809.0 0.670 150.2
1810.0 0.669 150.3
1811.0 0.668 150.4
1812.0 0.667 150.5
1813.0 0.666 150.6
1814.0 0.665 150.7
1815.0 0.663 150.8
1816.0 0.662 150.9
1817.0 0.660 151.1
1818.0 0.659 151.2
1819.0 0.657 151.3
1820.0 0.656 151.4
1821.0 0.654 151.5
1822.0 0.652 151.6
1823.0 0.651 151.7
1824.0 0.649 151.8
1825.0 0.647 152.0
1826.0 0.645 152.1
1827.0 0.643 152.2
1828.0 0.641 152.3
1829.0 0.639 152.4
1830.0 0.637 152.5
1831.0 0.635 152.7
1832.0 0.633 152.8
1833.0 0.631 152.9
1834.0 0.628 153.0
1835.0 0.626 153.1
1836.0 0.623 153.3
1837.0 0.621 153.4
1838.0 0.618 153.5
1839.0 0.616 153.6
1840.0 0.613 153.8
1841.0 0.611 153.9
1842.0 0.608 154.0
1843.0 0.605 154.2
1844.0 0.602 154.3
1845.0 0.599 154.4
1846.0 0.596 154.6
1847.0 0.593 154.7
1848.0 0.590 154.8
1849.0 0.587 155.0
1850.0 0.584 155.1
1851.0 0.580 155.2
1852.0 0.577 155.4
1853.0 0.573 155.5
1854.0 0.570 155.7
1855.0 0.566 155.8
1856.0 0.563 156.0
1857.0 0.559 156.1
1858.0 0.555 156.3
1859.0 0.552 156.4
1860.0 0.548 156.6
1861.0 0.544 156.8
1862.0 0.540 156.9
1863.0 0.536 157.1
1864.0 0.532 157.3
1865.0 0.528 157.4
1866.0 0.523 157.6
1867.0 0.519 157.8
1868.0 0.515 158.0
1869.0 0.510 158.1
1870.0 0.505 158.3
1871.0 0.501 158.5
1872.0 0.496 158.7
1873.0 0.491 158.9
1874.0 0.487 159.1
1875.0 0.482 159.3
1876.0 0.477 159.5
1877.0 0.472 159.7
1878.0 0.467 160.0
1879.0 0.461 160.2
1880.0 0.456 160.4
1881.0 0.451 160.6
1882.0 0.445 160.9
1883.0 0.440 161.1
1884.0 0.434 161.4
1885.0 0.429 161.6
1886.0 0.423 161.9
1887.0 0.417 162.2
1888.0 0.411 162.5
1889.0 0.405 162.7
1890.0 0.399 163.0
1891.0 0.393 163.4
1892.0 0.387 163.7
1893.0 0.381 164.0
1894.0 0.374 164.3
1895.0 0.368 164.7
1896.0 0.361 165.0
1897.0 0.355 165.4
1898.0 0.348 165.8
1899.0 0.341 166.2
1900.0 0.335 166.6
1901.0 0.328 167.1
1902.0 0.321 167.5
1903.0 0.314 168.0
1904.0 0.307 168.5
1905.0 0.299 169.0
1906.0 0.292 169.6
1907.0 0.285 170.2
1908.0 0.277 170.8
1909.0 0.270 171.4
1910.0 0.262 172.1
1911.0 0.255 172.8
1912.0 0.247 173.6
1913.0 0.239 174.4
1914.0 0.232 175.2
1915.0 0.224 176.2
1916.0 0.216 177.2
1917.0 0.208 178.2
1918.0 0.200 179.4
1919.0 0.192 180.6
1920.0 0.184 182.0
1921.0 0.176 183.5
1922.0 0.169 185.1
1923.0 0.161 186.9
1924.0 0.153 188.8
1925.0 0.145 191.0
1926.0 0.138 193.4
1927.0 0.131 196.0
1928.0 0.124 199.0
1929.0 0.117 202.4
1930.0 0.110 206.1
1931.0 0.104 210.3
1932.0 0.099 214.9
1933.0 0.094 220.1
1934.0 0.090 225.8
1935.0 0.087 231.9
1936.0 0.085 238.5
1937.0 0.084 245.3
1938.0 0.084 252.1
1939.0 0.085 258.9
1940.0 0.087 265.4
1941.0 0.090 271.6
1942.0 0.094 277.2
1943.0 0.099 282.4
1944.0 0.104 287.0
1945.0 0.110 291.2
1946.0 0.117 294.9
1947.0 0.123 298.3
1948.0 0.130 301.3
1949.0 0.137 304.0
1950.0 0.144 306.4
1951.0 0.151 308.7
1952.0 0.158 310.7
1953.0 0.165 312.5
1954.0 0.172 314.2
1955.0 0.179 315.8
1956.0 0.185 317.2
1957.0 0.192 318.6
1958.0 0.198 319.9
1959.0 0.204 321.0
1960.0 0.210 322.2
1961.0 0.215 323.2
1962.0 0.221 324.2
1963.0 0.226 325.2
1964.0 0.230 326.1
1965.0 0.235 327.0
1966.0 0.239 327.9
1967.0 0.243 328.7
1968.0 0.246 329.5
1969.0 0.249 330.3
1970.0 0.252 331.1
1971.0 0.255 331.8
1972.0 0.257 332.5
1973.0 0.259 333.3
1974.0 0.260 334.0
1975.0 0.262 334.7
1976.0 0.263 335.4
1977.0 0.264 336.1
1978.0 0.264 336.8
1979.0 0.264 337.5
1980.0 0.264 338.1
1981.0 0.264 338.8
1982.0 0.264 339.5
1983.0 0.263 340.2
1984.0 0.262 340.9
1985.0 0.261 341.6
1986.0 0.260 342.3
1987.0 0.258 343.0
1988.0 0.256 343.8
1989.0 0.255 344.5
1990.0 0.253 345.3
1991.0 0.251 346.0
1992.0 0.248 346.8
1993.0 0.246 347.6
1994.0 0.243 348.4
1995.0 0.241 349.2
1996.0 0.238 350.0
1997.0 0.235 350.9
1998.0 0.232 351.8
1999.0 0.229 352.7
2000.0 0.226 353.6
2001.0 0.223 354.5
2002.0 0.220 355.5
2003.0 0.217 356.5
2004.0 0.214 357.6
2005.0 0.211 358.6
2006.0 0.207 359.7
2007.0 0.204 0.9
2008.0 0.201 2.0
2009.0 0.197 3.3
2010.0 0.194 4.5
2011.0 0.191 5.8
2012.0 0.188 7.1
2013.0 0.185 8.5
2014.0 0.181 10.0
2015.0 0.178 11.4
2016.0 0.175 13.0
2017.0 0.173 14.6
2018.0 0.170 16.2
2019.0 0.167 17.9
2020.0 0.164 19.7
2021.0 0.162 21.5
2022.0 0.159 23.3
2023.0 0.157 25.3
2024.0 0.155 27.2
2025.0 0.153 29.3
2026.0 0.151 31.3
2027.0 0.149 33.5
2028.0 0.148 35.6
2029.0 0.147 37.9
2030.0 0.146 40.1
2031.0 0.145 42.4
2032.0 0.144 44.7
2033.0 0.143 47.0
2034.0 0.143 49.4
2035.0 0.143 51.7
2036.0 0.143 54.1
2037.0 0.143 56.4
2038.0 0.144 58.7
2039.0 0.145 61.1
2040.0 0.146 63.3
2041.0 0.147 65.6
2042.0 0.148 67.8
2043.0 0.150 70.0
2044.0 0.151 72.1
2045.0 0.153 74.2
2046.0 0.155 76.2
2047.0 0.158 78.1
2048.0 0.160 80.1
2049.0 0.162 81.9
2050.0 0.165 83.7
2051.0 0.168 85.4
2052.0 0.171 87.1
2053.0 0.174 88.7
2054.0 0.177 90.3
2055.0 0.180 91.8
2056.0 0.184 93.2
2057.0 0.187 94.6
2058.0 0.191 96.0
2059.0 0.194 97.3
2060.0 0.198 98.5
2061.0 0.202 99.7
2062.0 0.205 100.9
2063.0 0.209 102.0
2064.0 0.213 103.1
2065.0 0.217 104.1
2066.0 0.221 105.1
2067.0 0.225 106.1
2068.0 0.229 107.0
2069.0 0.233 107.9
2070.0 0.237 108.8
2071.0 0.242 109.6
2072.0 0.246 110.4
2073.0 0.250 111.2
2074.0 0.254 112.0
2075.0 0.258 112.7
2076.0 0.263 113.4
2077.0 0.267 114.1
2078.0 0.271 114.8
2079.0 0.275 115.4
2080.0 0.280 116.0
2081.0 0.284 116.6
2082.0 0.288 117.2
2083.0 0.293 117.8
2084.0 0.297 118.3
2085.0 0.301 118.9
2086.0 0.306 119.4
2087.0 0.310 119.9
2088.0 0.314 120.4
2089.0 0.318 120.9
2090.0 0.323 121.3
2091.0 0.327 121.8
2092.0 0.331 122.2
2093.0 0.335 122.7
2094.0 0.340 123.1
2095.0 0.344 123.5
2096.0 0.348 123.9
2097.0 0.352 124.3
2098.0 0.356 124.7
2099.0 0.361 125.1
2100.0 0.365 125.4
2101.0 0.369 125.8
2102.0 0.373 126.1
2103.0 0.377 126.5
2104.0 0.381 126.8
2105.0 0.385 127.1
2106.0 0.389 127.5
2107.0 0.393 127.8
2108.0 0.397 128.1
2109.0 0.402 128.4
2110.0 0.405 128.7
2111.0 0.409 129.0
2112.0 0.413 129.2
2113.0 0.417 129.5
2114.0 0.421 129.8
2115.0 0.425 130.1
2116.0 0.429 130.3
2117.0 0.433 130.6
2118.0 0.437 130.8
2119.0 0.440 131.1
2120.0 0.444 131.3
2121.0 0.448 131.6
2122.0 0.452 131.8
2123.0 0.455 132.0
2124.0 0.459 132.3
2125.0 0.463 132.5
2126.0 0.466 132.7
2127.0 0.470 132.9
2128.0 0.474 133.2
2129.0 0.477 133.4
2130.0 0.481 133.6
2131.0 0.484 133.8
2132.0 0.488 134.0
2133.0 0.491 134.2
2134.0 0.495 134.4
2135.0 0.498 134.6
2136.0 0.501 134.8
2137.0 0.505 135.0
2138.0 0.508 135.2
2139.0 0.512 135.3
2140.0 0.515 135.5
2141.0 0.518 135.7
2142.0 0.521 135.9
2143.0 0.524 136.1
2144.0 0.528 136.2
2145.0 0.531 136.4
2146.0 0.534 136.6
2147.0 0.537 136.7
2148.0 0.540 136.9
2149.0 0.543 137.1
2150.0 0.546 137.2
2151.0 0.549 137.4
2152.0 0.552 137.5
2153.0 0.555 137.7
2154.0 0.558 137.9
2155.0 0.561 138.0
2156.0 0.564 138.2
2157.0 0.566 138.3
2158.0 0.569 138.5
2159.0 0.572 138.6
2160.0 0.575 138.8
2161.0 0.577 138.9
2162.0 0.580 139.0
2163.0 0.582 139.2
2164.0 0.585 139.3
2165.0 0.588 139.5
2166.0 0.590 139.6
2167.0 0.593 139.7
2168.0 0.595 139.9
2169.0 0.598 140.0
2170.0 0.600 140.1
2171.0 0.602 140.3
2172.0 0.605 140.4
2173.0 0.607 140.5
2174.0 0.609 140.7
2175.0 0.612 140.8
2176.0 0.614 140.9
2177.0 0.616 141.1
2178.0 0.618 141.2
2179.0 0.620 141.3
2180.0 0.622 141.4
2181.0 0.624 141.6
2182.0 0.626 141.7
2183.0 0.628 141.8
2184.0 0.630 141.9
2185.0 0.632 142.0
2186.0 0.634 142.2
2187.0 0.636 142.3
2188.0 0.638 142.4
2189.0 0.640 142.5
2190.0 0.641 142.6
2191.0 0.643 142.8
2192.0 0.645 142.9
2193.0 0.646 143.0
2194.0 0.648 143.1
2195.0 0.650 143.2
2196.0 0.651 143.3
2197.0 0.653 143.4
2198.0 0.654 143.6
2199.0 0.656 143.7
2200.0 0.657 143.8
2201.0 0.658 143.9
2202.0 0.660 144.0
2203.0 0.661 144.1
2204.0 0.662 144.2
2205.0 0.664 144.3
2206.0 0.665 144.4
2207.0 0.666 144.5
2208.0 0.667 144.7
2209.0 0.668 144.8
2210.0 0.669 144.9
2211.0 0.670 145.0
2212.0 0.671 145.1
2213.0 0.672 145.2
2214.0 0.673 145.3
2215.0 0.674 145.4
2216.0 0.675 145.5
2217.0 0.676 145.6
2218.0 0.676 145.7
2219.0 0.677 145.8
2220.0 0.678 145.9
2221.0 0.678 146.0
2222.0 0.679 146.1
2223.0 0.680 146.2
2224.0 0.680 146.3
2225.0 0.681 146.4
2226.0 0.681 146.6
2227.0 0.681 146.7
2228.0 0.682 146.8
2229.0 0.682 146.9
2230.0 0.682 147.0
2231.0 0.683 147.1
2232.0 0.683 147.2
2233.0 0.683 147.3
2234.0 0.683 147.4
2235.0 0.683 147.5
2236.0 0.683 147.6
2237.0 0.683 147.7
2238.0 0.683 147.8
2239.0 0.683 147.9
2240.0 0.683 148.0
2241.0 0.683 148.1
2242.0 0.683 148.2
2243.0 0.682 148.3
2244.0 0.682 148.4
2245.0 0.682 148.5
2246.0 0.681 148.6
2247.0 0.681 148.7
2248.0 0.681 148.8
2249.0 0.680 148.9
2250.0 0.679 149.0
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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