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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:09:10
WDS:
I658
WDS ID/Discoverer
P:
416.800
Orbital period (years)
a:
1.098
Semi-major axis (arcseconds)
i:
134.0
Inclination (degrees)
Ω:
98.7
Longitude of ascending node (degrees)
T:
1895.400
Epoch of periastron passage (year)
e:
0.474
Eccentricity
ω:
169.8
Longitude of periastron (degrees)
Start-Year:
1817.0
Year
End-Year:
2233.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
194937.33-552527.5
Epoch-2000 right ascension and declination
WDS-ID:
19496-5525
WDS designation
Discoverer Code:
I658
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
186836
HD catalog number
Hipparcos number:
97548
Hipparcos catalog number
V1:
9.16
Magnitude of the primary
V2:
10.06
Magnitude of the secondary
Equinox:
2000
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 1.283 128.9
-------------------------
1817.0 0.968 61.7
1818.0 0.958 61.0
1819.0 0.947 60.3
1820.0 0.936 59.5
1821.0 0.925 58.8
1822.0 0.914 58.1
1823.0 0.904 57.3
1824.0 0.893 56.5
1825.0 0.882 55.7
1826.0 0.871 54.9
1827.0 0.859 54.0
1828.0 0.848 53.1
1829.0 0.837 52.2
1830.0 0.826 51.3
1831.0 0.815 50.4
1832.0 0.804 49.4
1833.0 0.793 48.4
1834.0 0.782 47.4
1835.0 0.771 46.3
1836.0 0.760 45.2
1837.0 0.749 44.1
1838.0 0.738 43.0
1839.0 0.727 41.8
1840.0 0.716 40.5
1841.0 0.706 39.3
1842.0 0.695 38.0
1843.0 0.685 36.6
1844.0 0.674 35.3
1845.0 0.664 33.8
1846.0 0.654 32.4
1847.0 0.644 30.9
1848.0 0.635 29.3
1849.0 0.625 27.7
1850.0 0.616 26.1
1851.0 0.607 24.3
1852.0 0.598 22.6
1853.0 0.590 20.8
1854.0 0.582 18.9
1855.0 0.574 17.0
1856.0 0.566 15.1
1857.0 0.559 13.0
1858.0 0.552 11.0
1859.0 0.546 8.9
1860.0 0.540 6.7
1861.0 0.535 4.5
1862.0 0.530 2.3
1863.0 0.525 360.0
1864.0 0.521 357.6
1865.0 0.517 355.3
1866.0 0.514 352.9
1867.0 0.512 350.5
1868.0 0.510 348.0
1869.0 0.508 345.6
1870.0 0.507 343.1
1871.0 0.507 340.6
1872.0 0.506 338.1
1873.0 0.507 335.6
1874.0 0.508 333.2
1875.0 0.509 330.7
1876.0 0.510 328.2
1877.0 0.512 325.8
1878.0 0.515 323.4
1879.0 0.517 321.0
1880.0 0.520 318.6
1881.0 0.523 316.3
1882.0 0.527 314.0
1883.0 0.530 311.7
1884.0 0.534 309.5
1885.0 0.538 307.2
1886.0 0.541 305.1
1887.0 0.545 302.9
1888.0 0.549 300.8
1889.0 0.553 298.7
1890.0 0.556 296.6
1891.0 0.560 294.6
1892.0 0.563 292.5
1893.0 0.566 290.5
1894.0 0.569 288.6
1895.0 0.572 286.6
1896.0 0.574 284.7
1897.0 0.577 282.7
1898.0 0.579 280.8
1899.0 0.580 278.9
1900.0 0.582 277.0
1901.0 0.583 275.2
1902.0 0.584 273.3
1903.0 0.585 271.4
1904.0 0.585 269.6
1905.0 0.585 267.7
1906.0 0.585 265.9
1907.0 0.585 264.0
1908.0 0.585 262.1
1909.0 0.584 260.3
1910.0 0.584 258.4
1911.0 0.583 256.5
1912.0 0.582 254.7
1913.0 0.581 252.8
1914.0 0.580 250.9
1915.0 0.579 249.0
1916.0 0.578 247.1
1917.0 0.577 245.2
1918.0 0.577 243.3
1919.0 0.576 241.4
1920.0 0.575 239.4
1921.0 0.574 237.5
1922.0 0.574 235.6
1923.0 0.574 233.6
1924.0 0.574 231.7
1925.0 0.574 229.8
1926.0 0.574 227.8
1927.0 0.574 225.9
1928.0 0.575 224.0
1929.0 0.576 222.0
1930.0 0.577 220.1
1931.0 0.579 218.2
1932.0 0.581 216.3
1933.0 0.583 214.4
1934.0 0.585 212.6
1935.0 0.587 210.7
1936.0 0.590 208.9
1937.0 0.593 207.1
1938.0 0.597 205.3
1939.0 0.601 203.5
1940.0 0.605 201.7
1941.0 0.609 200.0
1942.0 0.613 198.3
1943.0 0.618 196.6
1944.0 0.623 195.0
1945.0 0.629 193.3
1946.0 0.634 191.7
1947.0 0.640 190.2
1948.0 0.646 188.6
1949.0 0.652 187.1
1950.0 0.658 185.6
1951.0 0.665 184.2
1952.0 0.672 182.8
1953.0 0.679 181.4
1954.0 0.686 180.0
1955.0 0.693 178.7
1956.0 0.701 177.3
1957.0 0.708 176.1
1958.0 0.716 174.8
1959.0 0.724 173.6
1960.0 0.732 172.4
1961.0 0.740 171.2
1962.0 0.749 170.1
1963.0 0.757 168.9
1964.0 0.765 167.8
1965.0 0.774 166.8
1966.0 0.782 165.7
1967.0 0.791 164.7
1968.0 0.800 163.7
1969.0 0.809 162.7
1970.0 0.817 161.7
1971.0 0.826 160.8
1972.0 0.835 159.9
1973.0 0.844 158.9
1974.0 0.853 158.1
1975.0 0.862 157.2
1976.0 0.871 156.4
1977.0 0.880 155.5
1978.0 0.890 154.7
1979.0 0.899 153.9
1980.0 0.908 153.1
1981.0 0.917 152.4
1982.0 0.926 151.6
1983.0 0.935 150.9
1984.0 0.944 150.2
1985.0 0.953 149.4
1986.0 0.962 148.8
1987.0 0.971 148.1
1988.0 0.980 147.4
1989.0 0.989 146.7
1990.0 0.998 146.1
1991.0 1.007 145.5
1992.0 1.016 144.8
1993.0 1.025 144.2
1994.0 1.034 143.6
1995.0 1.043 143.0
1996.0 1.052 142.5
1997.0 1.060 141.9
1998.0 1.069 141.3
1999.0 1.078 140.8
2000.0 1.086 140.2
2001.0 1.095 139.7
2002.0 1.103 139.2
2003.0 1.112 138.7
2004.0 1.120 138.1
2005.0 1.129 137.6
2006.0 1.137 137.1
2007.0 1.145 136.7
2008.0 1.153 136.2
2009.0 1.162 135.7
2010.0 1.170 135.2
2011.0 1.178 134.8
2012.0 1.186 134.3
2013.0 1.194 133.9
2014.0 1.201 133.4
2015.0 1.209 133.0
2016.0 1.217 132.5
2017.0 1.225 132.1
2018.0 1.232 131.7
2019.0 1.240 131.3
2020.0 1.247 130.9
2021.0 1.255 130.5
2022.0 1.262 130.1
2023.0 1.269 129.7
2024.0 1.276 129.3
2025.0 1.283 128.9
2026.0 1.291 128.5
2027.0 1.297 128.1
2028.0 1.304 127.7
2029.0 1.311 127.4
2030.0 1.318 127.0
2031.0 1.325 126.6
2032.0 1.331 126.3
2033.0 1.338 125.9
2034.0 1.344 125.6
2035.0 1.351 125.2
2036.0 1.357 124.9
2037.0 1.363 124.5
2038.0 1.370 124.2
2039.0 1.376 123.8
2040.0 1.382 123.5
2041.0 1.388 123.2
2042.0 1.394 122.8
2043.0 1.400 122.5
2044.0 1.405 122.2
2045.0 1.411 121.9
2046.0 1.417 121.5
2047.0 1.422 121.2
2048.0 1.428 120.9
2049.0 1.433 120.6
2050.0 1.438 120.3
2051.0 1.443 120.0
2052.0 1.449 119.7
2053.0 1.454 119.4
2054.0 1.459 119.1
2055.0 1.463 118.8
2056.0 1.468 118.5
2057.0 1.473 118.2
2058.0 1.478 117.9
2059.0 1.482 117.6
2060.0 1.487 117.3
2061.0 1.491 117.0
2062.0 1.496 116.7
2063.0 1.500 116.5
2064.0 1.504 116.2
2065.0 1.508 115.9
2066.0 1.512 115.6
2067.0 1.516 115.3
2068.0 1.520 115.1
2069.0 1.524 114.8
2070.0 1.528 114.5
2071.0 1.531 114.2
2072.0 1.535 114.0
2073.0 1.538 113.7
2074.0 1.542 113.4
2075.0 1.545 113.2
2076.0 1.548 112.9
2077.0 1.551 112.6
2078.0 1.554 112.4
2079.0 1.557 112.1
2080.0 1.560 111.8
2081.0 1.563 111.6
2082.0 1.566 111.3
2083.0 1.569 111.1
2084.0 1.571 110.8
2085.0 1.574 110.6
2086.0 1.576 110.3
2087.0 1.578 110.0
2088.0 1.581 109.8
2089.0 1.583 109.5
2090.0 1.585 109.3
2091.0 1.587 109.0
2092.0 1.589 108.8
2093.0 1.591 108.5
2094.0 1.592 108.3
2095.0 1.594 108.0
2096.0 1.596 107.8
2097.0 1.597 107.5
2098.0 1.599 107.3
2099.0 1.600 107.0
2100.0 1.601 106.8
2101.0 1.602 106.5
2102.0 1.604 106.3
2103.0 1.605 106.0
2104.0 1.605 105.8
2105.0 1.606 105.5
2106.0 1.607 105.3
2107.0 1.608 105.0
2108.0 1.608 104.8
2109.0 1.609 104.5
2110.0 1.609 104.3
2111.0 1.610 104.1
2112.0 1.610 103.8
2113.0 1.610 103.6
2114.0 1.610 103.3
2115.0 1.610 103.1
2116.0 1.610 102.8
2117.0 1.610 102.6
2118.0 1.610 102.3
2119.0 1.609 102.1
2120.0 1.609 101.8
2121.0 1.608 101.6
2122.0 1.608 101.3
2123.0 1.607 101.1
2124.0 1.606 100.9
2125.0 1.605 100.6
2126.0 1.604 100.4
2127.0 1.603 100.1
2128.0 1.602 99.9
2129.0 1.601 99.6
2130.0 1.600 99.4
2131.0 1.598 99.1
2132.0 1.597 98.9
2133.0 1.595 98.6
2134.0 1.594 98.4
2135.0 1.592 98.1
2136.0 1.590 97.9
2137.0 1.588 97.6
2138.0 1.586 97.4
2139.0 1.584 97.1
2140.0 1.582 96.9
2141.0 1.580 96.6
2142.0 1.577 96.3
2143.0 1.575 96.1
2144.0 1.572 95.8
2145.0 1.570 95.6
2146.0 1.567 95.3
2147.0 1.564 95.0
2148.0 1.561 94.8
2149.0 1.558 94.5
2150.0 1.555 94.3
2151.0 1.552 94.0
2152.0 1.549 93.7
2153.0 1.545 93.5
2154.0 1.542 93.2
2155.0 1.538 92.9
2156.0 1.535 92.7
2157.0 1.531 92.4
2158.0 1.527 92.1
2159.0 1.523 91.8
2160.0 1.519 91.6
2161.0 1.515 91.3
2162.0 1.511 91.0
2163.0 1.507 90.7
2164.0 1.502 90.5
2165.0 1.498 90.2
2166.0 1.493 89.9
2167.0 1.489 89.6
2168.0 1.484 89.3
2169.0 1.479 89.0
2170.0 1.474 88.7
2171.0 1.469 88.4
2172.0 1.464 88.1
2173.0 1.459 87.8
2174.0 1.454 87.5
2175.0 1.448 87.2
2176.0 1.443 86.9
2177.0 1.437 86.6
2178.0 1.432 86.3
2179.0 1.426 86.0
2180.0 1.420 85.7
2181.0 1.414 85.4
2182.0 1.408 85.1
2183.0 1.402 84.7
2184.0 1.396 84.4
2185.0 1.389 84.1
2186.0 1.383 83.7
2187.0 1.376 83.4
2188.0 1.370 83.1
2189.0 1.363 82.7
2190.0 1.356 82.4
2191.0 1.349 82.0
2192.0 1.342 81.7
2193.0 1.335 81.3
2194.0 1.328 81.0
2195.0 1.321 80.6
2196.0 1.314 80.2
2197.0 1.306 79.9
2198.0 1.298 79.5
2199.0 1.291 79.1
2200.0 1.283 78.7
2201.0 1.275 78.3
2202.0 1.267 77.9
2203.0 1.259 77.5
2204.0 1.251 77.1
2205.0 1.243 76.7
2206.0 1.235 76.3
2207.0 1.226 75.9
2208.0 1.218 75.5
2209.0 1.209 75.0
2210.0 1.200 74.6
2211.0 1.192 74.2
2212.0 1.183 73.7
2213.0 1.174 73.2
2214.0 1.165 72.8
2215.0 1.156 72.3
2216.0 1.146 71.8
2217.0 1.137 71.3
2218.0 1.128 70.8
2219.0 1.118 70.3
2220.0 1.109 69.8
2221.0 1.099 69.3
2222.0 1.089 68.8
2223.0 1.079 68.2
2224.0 1.069 67.7
2225.0 1.059 67.1
2226.0 1.049 66.5
2227.0 1.039 66.0
2228.0 1.029 65.4
2229.0 1.019 64.8
2230.0 1.008 64.1
2231.0 0.998 63.5
2232.0 0.987 62.9
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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