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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:34:26
WDS:
HU388
WDS ID/Discoverer
P:
535.000
Orbital period (years)
a:
0.518
Semi-major axis (arcseconds)
i:
31.5
Inclination (degrees)
Ω:
8.8
Longitude of ascending node (degrees)
T:
1934.360
Epoch of periastron passage (year)
e:
0.827
Eccentricity
ω:
265.0
Longitude of periastron (degrees)
Start-Year:
1758.0
Year
End-Year:
2292.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
223014.53+222800.0
Epoch-2000 right ascension and declination
WDS-ID:
22302+2228
WDS designation
Discoverer Code:
HU388
Discover designation and components
ADS number:
15992
Aitken Double Star catalog
HD number:
213315
HD catalog number
Hipparcos number:
111082
Hipparcos catalog number
V1:
8.48
Magnitude of the primary
V2:
9.10
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2005
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 0.571 63.7
-------------------------
1758.0 0.744 105.7
1759.0 0.743 105.9
1760.0 0.741 106.0
1761.0 0.740 106.2
1762.0 0.739 106.4
1763.0 0.737 106.5
1764.0 0.736 106.7
1765.0 0.734 106.8
1766.0 0.733 107.0
1767.0 0.731 107.2
1768.0 0.730 107.3
1769.0 0.728 107.5
1770.0 0.726 107.6
1771.0 0.725 107.8
1772.0 0.723 108.0
1773.0 0.722 108.1
1774.0 0.720 108.3
1775.0 0.718 108.5
1776.0 0.717 108.6
1777.0 0.715 108.8
1778.0 0.713 109.0
1779.0 0.712 109.2
1780.0 0.710 109.3
1781.0 0.708 109.5
1782.0 0.706 109.7
1783.0 0.704 109.8
1784.0 0.703 110.0
1785.0 0.701 110.2
1786.0 0.699 110.4
1787.0 0.697 110.5
1788.0 0.695 110.7
1789.0 0.693 110.9
1790.0 0.691 111.1
1791.0 0.689 111.3
1792.0 0.688 111.5
1793.0 0.686 111.6
1794.0 0.684 111.8
1795.0 0.682 112.0
1796.0 0.680 112.2
1797.0 0.677 112.4
1798.0 0.675 112.6
1799.0 0.673 112.8
1800.0 0.671 113.0
1801.0 0.669 113.1
1802.0 0.667 113.3
1803.0 0.665 113.5
1804.0 0.663 113.7
1805.0 0.660 113.9
1806.0 0.658 114.1
1807.0 0.656 114.3
1808.0 0.654 114.5
1809.0 0.651 114.7
1810.0 0.649 114.9
1811.0 0.647 115.1
1812.0 0.644 115.4
1813.0 0.642 115.6
1814.0 0.640 115.8
1815.0 0.637 116.0
1816.0 0.635 116.2
1817.0 0.632 116.4
1818.0 0.630 116.6
1819.0 0.627 116.8
1820.0 0.625 117.1
1821.0 0.622 117.3
1822.0 0.620 117.5
1823.0 0.617 117.7
1824.0 0.614 118.0
1825.0 0.612 118.2
1826.0 0.609 118.4
1827.0 0.606 118.7
1828.0 0.604 118.9
1829.0 0.601 119.1
1830.0 0.598 119.4
1831.0 0.595 119.6
1832.0 0.593 119.9
1833.0 0.590 120.1
1834.0 0.587 120.4
1835.0 0.584 120.6
1836.0 0.581 120.9
1837.0 0.578 121.1
1838.0 0.575 121.4
1839.0 0.572 121.7
1840.0 0.569 121.9
1841.0 0.566 122.2
1842.0 0.563 122.5
1843.0 0.560 122.7
1844.0 0.557 123.0
1845.0 0.554 123.3
1846.0 0.551 123.6
1847.0 0.548 123.9
1848.0 0.544 124.2
1849.0 0.541 124.5
1850.0 0.538 124.7
1851.0 0.534 125.0
1852.0 0.531 125.4
1853.0 0.528 125.7
1854.0 0.524 126.0
1855.0 0.521 126.3
1856.0 0.517 126.6
1857.0 0.514 126.9
1858.0 0.510 127.3
1859.0 0.507 127.6
1860.0 0.503 127.9
1861.0 0.499 128.3
1862.0 0.496 128.6
1863.0 0.492 129.0
1864.0 0.488 129.4
1865.0 0.485 129.7
1866.0 0.481 130.1
1867.0 0.477 130.5
1868.0 0.473 130.9
1869.0 0.469 131.2
1870.0 0.465 131.6
1871.0 0.461 132.0
1872.0 0.457 132.5
1873.0 0.453 132.9
1874.0 0.449 133.3
1875.0 0.445 133.7
1876.0 0.440 134.2
1877.0 0.436 134.6
1878.0 0.432 135.1
1879.0 0.428 135.6
1880.0 0.423 136.0
1881.0 0.419 136.5
1882.0 0.414 137.0
1883.0 0.410 137.5
1884.0 0.405 138.0
1885.0 0.400 138.6
1886.0 0.396 139.1
1887.0 0.391 139.7
1888.0 0.386 140.3
1889.0 0.381 140.8
1890.0 0.376 141.5
1891.0 0.371 142.1
1892.0 0.366 142.7
1893.0 0.361 143.4
1894.0 0.356 144.0
1895.0 0.351 144.7
1896.0 0.345 145.4
1897.0 0.340 146.2
1898.0 0.335 146.9
1899.0 0.329 147.7
1900.0 0.323 148.5
1901.0 0.318 149.4
1902.0 0.312 150.3
1903.0 0.306 151.2
1904.0 0.300 152.1
1905.0 0.294 153.1
1906.0 0.288 154.1
1907.0 0.282 155.2
1908.0 0.276 156.3
1909.0 0.269 157.4
1910.0 0.263 158.7
1911.0 0.256 160.0
1912.0 0.249 161.3
1913.0 0.242 162.8
1914.0 0.235 164.3
1915.0 0.228 165.9
1916.0 0.221 167.6
1917.0 0.213 169.5
1918.0 0.205 171.4
1919.0 0.198 173.6
1920.0 0.190 175.9
1921.0 0.181 178.4
1922.0 0.173 181.1
1923.0 0.165 184.2
1924.0 0.156 187.6
1925.0 0.147 191.3
1926.0 0.138 195.6
1927.0 0.128 200.5
1928.0 0.119 206.2
1929.0 0.110 212.8
1930.0 0.101 220.6
1931.0 0.093 229.8
1932.0 0.085 240.8
1933.0 0.080 253.5
1934.0 0.077 267.6
1935.0 0.077 282.4
1936.0 0.080 296.6
1937.0 0.085 309.5
1938.0 0.092 320.5
1939.0 0.101 329.8
1940.0 0.110 337.6
1941.0 0.120 344.2
1942.0 0.129 349.8
1943.0 0.139 354.6
1944.0 0.149 358.8
1945.0 0.158 2.5
1946.0 0.167 5.8
1947.0 0.176 8.7
1948.0 0.185 11.4
1949.0 0.194 13.8
1950.0 0.202 16.0
1951.0 0.210 18.0
1952.0 0.218 19.9
1953.0 0.226 21.7
1954.0 0.234 23.3
1955.0 0.241 24.8
1956.0 0.249 26.3
1957.0 0.256 27.6
1958.0 0.263 28.9
1959.0 0.270 30.1
1960.0 0.277 31.3
1961.0 0.284 32.4
1962.0 0.290 33.4
1963.0 0.297 34.4
1964.0 0.303 35.4
1965.0 0.310 36.3
1966.0 0.316 37.2
1967.0 0.322 38.1
1968.0 0.328 38.9
1969.0 0.334 39.7
1970.0 0.340 40.4
1971.0 0.345 41.2
1972.0 0.351 41.9
1973.0 0.356 42.6
1974.0 0.362 43.3
1975.0 0.367 43.9
1976.0 0.373 44.5
1977.0 0.378 45.2
1978.0 0.383 45.7
1979.0 0.388 46.3
1980.0 0.393 46.9
1981.0 0.398 47.4
1982.0 0.403 48.0
1983.0 0.408 48.5
1984.0 0.413 49.0
1985.0 0.418 49.5
1986.0 0.422 50.0
1987.0 0.427 50.5
1988.0 0.432 51.0
1989.0 0.436 51.4
1990.0 0.441 51.9
1991.0 0.445 52.3
1992.0 0.450 52.8
1993.0 0.454 53.2
1994.0 0.458 53.6
1995.0 0.462 54.0
1996.0 0.467 54.4
1997.0 0.471 54.8
1998.0 0.475 55.2
1999.0 0.479 55.6
2000.0 0.483 55.9
2001.0 0.487 56.3
2002.0 0.491 56.7
2003.0 0.495 57.0
2004.0 0.499 57.4
2005.0 0.502 57.7
2006.0 0.506 58.1
2007.0 0.510 58.4
2008.0 0.514 58.7
2009.0 0.517 59.1
2010.0 0.521 59.4
2011.0 0.525 59.7
2012.0 0.528 60.0
2013.0 0.532 60.3
2014.0 0.535 60.6
2015.0 0.539 60.9
2016.0 0.542 61.2
2017.0 0.545 61.5
2018.0 0.549 61.8
2019.0 0.552 62.1
2020.0 0.555 62.4
2021.0 0.559 62.6
2022.0 0.562 62.9
2023.0 0.565 63.2
2024.0 0.568 63.5
2025.0 0.571 63.7
2026.0 0.575 64.0
2027.0 0.578 64.2
2028.0 0.581 64.5
2029.0 0.584 64.8
2030.0 0.587 65.0
2031.0 0.590 65.3
2032.0 0.593 65.5
2033.0 0.595 65.8
2034.0 0.598 66.0
2035.0 0.601 66.2
2036.0 0.604 66.5
2037.0 0.607 66.7
2038.0 0.610 66.9
2039.0 0.612 67.2
2040.0 0.615 67.4
2041.0 0.618 67.6
2042.0 0.620 67.9
2043.0 0.623 68.1
2044.0 0.626 68.3
2045.0 0.628 68.5
2046.0 0.631 68.7
2047.0 0.633 69.0
2048.0 0.636 69.2
2049.0 0.638 69.4
2050.0 0.641 69.6
2051.0 0.643 69.8
2052.0 0.646 70.0
2053.0 0.648 70.2
2054.0 0.651 70.4
2055.0 0.653 70.6
2056.0 0.655 70.8
2057.0 0.658 71.0
2058.0 0.660 71.2
2059.0 0.662 71.4
2060.0 0.664 71.6
2061.0 0.667 71.8
2062.0 0.669 72.0
2063.0 0.671 72.2
2064.0 0.673 72.4
2065.0 0.675 72.6
2066.0 0.678 72.8
2067.0 0.680 73.0
2068.0 0.682 73.2
2069.0 0.684 73.3
2070.0 0.686 73.5
2071.0 0.688 73.7
2072.0 0.690 73.9
2073.0 0.692 74.1
2074.0 0.694 74.3
2075.0 0.696 74.4
2076.0 0.698 74.6
2077.0 0.700 74.8
2078.0 0.701 75.0
2079.0 0.703 75.1
2080.0 0.705 75.3
2081.0 0.707 75.5
2082.0 0.709 75.7
2083.0 0.711 75.8
2084.0 0.712 76.0
2085.0 0.714 76.2
2086.0 0.716 76.4
2087.0 0.718 76.5
2088.0 0.719 76.7
2089.0 0.721 76.9
2090.0 0.723 77.0
2091.0 0.724 77.2
2092.0 0.726 77.4
2093.0 0.728 77.5
2094.0 0.729 77.7
2095.0 0.731 77.8
2096.0 0.732 78.0
2097.0 0.734 78.2
2098.0 0.735 78.3
2099.0 0.737 78.5
2100.0 0.738 78.6
2101.0 0.740 78.8
2102.0 0.741 79.0
2103.0 0.743 79.1
2104.0 0.744 79.3
2105.0 0.745 79.4
2106.0 0.747 79.6
2107.0 0.748 79.7
2108.0 0.750 79.9
2109.0 0.751 80.0
2110.0 0.752 80.2
2111.0 0.753 80.4
2112.0 0.755 80.5
2113.0 0.756 80.7
2114.0 0.757 80.8
2115.0 0.759 81.0
2116.0 0.760 81.1
2117.0 0.761 81.3
2118.0 0.762 81.4
2119.0 0.763 81.6
2120.0 0.764 81.7
2121.0 0.766 81.9
2122.0 0.767 82.0
2123.0 0.768 82.1
2124.0 0.769 82.3
2125.0 0.770 82.4
2126.0 0.771 82.6
2127.0 0.772 82.7
2128.0 0.773 82.9
2129.0 0.774 83.0
2130.0 0.775 83.2
2131.0 0.776 83.3
2132.0 0.777 83.5
2133.0 0.778 83.6
2134.0 0.779 83.7
2135.0 0.780 83.9
2136.0 0.781 84.0
2137.0 0.782 84.2
2138.0 0.783 84.3
2139.0 0.783 84.4
2140.0 0.784 84.6
2141.0 0.785 84.7
2142.0 0.786 84.9
2143.0 0.787 85.0
2144.0 0.787 85.1
2145.0 0.788 85.3
2146.0 0.789 85.4
2147.0 0.790 85.6
2148.0 0.790 85.7
2149.0 0.791 85.8
2150.0 0.792 86.0
2151.0 0.792 86.1
2152.0 0.793 86.3
2153.0 0.794 86.4
2154.0 0.794 86.5
2155.0 0.795 86.7
2156.0 0.796 86.8
2157.0 0.796 86.9
2158.0 0.797 87.1
2159.0 0.797 87.2
2160.0 0.798 87.4
2161.0 0.798 87.5
2162.0 0.799 87.6
2163.0 0.799 87.8
2164.0 0.800 87.9
2165.0 0.800 88.0
2166.0 0.801 88.2
2167.0 0.801 88.3
2168.0 0.802 88.4
2169.0 0.802 88.6
2170.0 0.803 88.7
2171.0 0.803 88.8
2172.0 0.803 89.0
2173.0 0.804 89.1
2174.0 0.804 89.2
2175.0 0.804 89.4
2176.0 0.805 89.5
2177.0 0.805 89.6
2178.0 0.805 89.8
2179.0 0.806 89.9
2180.0 0.806 90.0
2181.0 0.806 90.2
2182.0 0.806 90.3
2183.0 0.807 90.4
2184.0 0.807 90.6
2185.0 0.807 90.7
2186.0 0.807 90.8
2187.0 0.807 91.0
2188.0 0.807 91.1
2189.0 0.808 91.2
2190.0 0.808 91.4
2191.0 0.808 91.5
2192.0 0.808 91.6
2193.0 0.808 91.8
2194.0 0.808 91.9
2195.0 0.808 92.0
2196.0 0.808 92.2
2197.0 0.808 92.3
2198.0 0.808 92.4
2199.0 0.808 92.6
2200.0 0.808 92.7
2201.0 0.808 92.8
2202.0 0.808 93.0
2203.0 0.808 93.1
2204.0 0.808 93.2
2205.0 0.808 93.4
2206.0 0.808 93.5
2207.0 0.808 93.6
2208.0 0.807 93.8
2209.0 0.807 93.9
2210.0 0.807 94.0
2211.0 0.807 94.2
2212.0 0.807 94.3
2213.0 0.807 94.4
2214.0 0.806 94.6
2215.0 0.806 94.7
2216.0 0.806 94.8
2217.0 0.806 95.0
2218.0 0.805 95.1
2219.0 0.805 95.2
2220.0 0.805 95.4
2221.0 0.805 95.5
2222.0 0.804 95.6
2223.0 0.804 95.8
2224.0 0.804 95.9
2225.0 0.803 96.0
2226.0 0.803 96.2
2227.0 0.802 96.3
2228.0 0.802 96.4
2229.0 0.802 96.6
2230.0 0.801 96.7
2231.0 0.801 96.8
2232.0 0.800 97.0
2233.0 0.800 97.1
2234.0 0.799 97.2
2235.0 0.799 97.4
2236.0 0.798 97.5
2237.0 0.798 97.6
2238.0 0.797 97.8
2239.0 0.797 97.9
2240.0 0.796 98.1
2241.0 0.795 98.2
2242.0 0.795 98.3
2243.0 0.794 98.5
2244.0 0.793 98.6
2245.0 0.793 98.7
2246.0 0.792 98.9
2247.0 0.791 99.0
2248.0 0.791 99.2
2249.0 0.790 99.3
2250.0 0.789 99.4
2251.0 0.789 99.6
2252.0 0.788 99.7
2253.0 0.787 99.8
2254.0 0.786 100.0
2255.0 0.786 100.1
2256.0 0.785 100.3
2257.0 0.784 100.4
2258.0 0.783 100.5
2259.0 0.782 100.7
2260.0 0.781 100.8
2261.0 0.780 101.0
2262.0 0.780 101.1
2263.0 0.779 101.3
2264.0 0.778 101.4
2265.0 0.777 101.5
2266.0 0.776 101.7
2267.0 0.775 101.8
2268.0 0.774 102.0
2269.0 0.773 102.1
2270.0 0.772 102.3
2271.0 0.771 102.4
2272.0 0.770 102.6
2273.0 0.769 102.7
2274.0 0.768 102.9
2275.0 0.766 103.0
2276.0 0.765 103.1
2277.0 0.764 103.3
2278.0 0.763 103.4
2279.0 0.762 103.6
2280.0 0.761 103.7
2281.0 0.760 103.9
2282.0 0.758 104.0
2283.0 0.757 104.2
2284.0 0.756 104.3
2285.0 0.755 104.5
2286.0 0.753 104.6
2287.0 0.752 104.8
2288.0 0.751 105.0
2289.0 0.750 105.1
2290.0 0.748 105.3
2291.0 0.747 105.4
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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