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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:16:48
WDS:
A613
WDS ID/Discoverer
P:
695.000
Orbital period (years)
a:
1.05
Semi-major axis (arcseconds)
i:
118.0
Inclination (degrees)
Ω:
178.4
Longitude of ascending node (degrees)
T:
2605.000
Epoch of periastron passage (year)
e:
0.227
Eccentricity
ω:
160.8
Longitude of periastron (degrees)
Start-Year:
1678.0
Year
End-Year:
2372.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
205154.49+054429.5
Epoch-2000 right ascension and declination
WDS-ID:
20519+0544
WDS designation
Discoverer Code:
A613
Discover designation and components
ADS number:
14368
Aitken Double Star catalog
HD number:
198684
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
9.10
Magnitude of the primary
V2:
9.03
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
1996
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 0.580 312.3
-------------------------
1678.0 1.140 168.0
1679.0 1.136 167.8
1680.0 1.133 167.6
1681.0 1.129 167.4
1682.0 1.125 167.2
1683.0 1.121 167.0
1684.0 1.117 166.8
1685.0 1.113 166.6
1686.0 1.109 166.4
1687.0 1.105 166.2
1688.0 1.101 165.9
1689.0 1.097 165.7
1690.0 1.093 165.5
1691.0 1.089 165.3
1692.0 1.085 165.1
1693.0 1.080 164.8
1694.0 1.076 164.6
1695.0 1.072 164.4
1696.0 1.067 164.2
1697.0 1.063 163.9
1698.0 1.058 163.7
1699.0 1.054 163.5
1700.0 1.049 163.2
1701.0 1.044 163.0
1702.0 1.040 162.8
1703.0 1.035 162.5
1704.0 1.030 162.3
1705.0 1.025 162.0
1706.0 1.021 161.8
1707.0 1.016 161.5
1708.0 1.011 161.3
1709.0 1.006 161.0
1710.0 1.001 160.7
1711.0 0.996 160.5
1712.0 0.991 160.2
1713.0 0.985 160.0
1714.0 0.980 159.7
1715.0 0.975 159.4
1716.0 0.970 159.1
1717.0 0.964 158.9
1718.0 0.959 158.6
1719.0 0.954 158.3
1720.0 0.948 158.0
1721.0 0.943 157.7
1722.0 0.937 157.4
1723.0 0.932 157.1
1724.0 0.926 156.8
1725.0 0.920 156.5
1726.0 0.915 156.2
1727.0 0.909 155.9
1728.0 0.903 155.6
1729.0 0.898 155.2
1730.0 0.892 154.9
1731.0 0.886 154.6
1732.0 0.880 154.2
1733.0 0.874 153.9
1734.0 0.868 153.6
1735.0 0.863 153.2
1736.0 0.857 152.9
1737.0 0.851 152.5
1738.0 0.845 152.1
1739.0 0.839 151.8
1740.0 0.833 151.4
1741.0 0.826 151.0
1742.0 0.820 150.6
1743.0 0.814 150.2
1744.0 0.808 149.8
1745.0 0.802 149.4
1746.0 0.796 149.0
1747.0 0.789 148.6
1748.0 0.783 148.2
1749.0 0.777 147.8
1750.0 0.771 147.3
1751.0 0.764 146.9
1752.0 0.758 146.4
1753.0 0.752 146.0
1754.0 0.746 145.5
1755.0 0.739 145.0
1756.0 0.733 144.6
1757.0 0.727 144.1
1758.0 0.720 143.6
1759.0 0.714 143.1
1760.0 0.708 142.5
1761.0 0.701 142.0
1762.0 0.695 141.5
1763.0 0.689 140.9
1764.0 0.682 140.4
1765.0 0.676 139.8
1766.0 0.670 139.2
1767.0 0.663 138.6
1768.0 0.657 138.0
1769.0 0.651 137.4
1770.0 0.645 136.8
1771.0 0.639 136.2
1772.0 0.632 135.5
1773.0 0.626 134.9
1774.0 0.620 134.2
1775.0 0.614 133.5
1776.0 0.608 132.8
1777.0 0.602 132.1
1778.0 0.596 131.4
1779.0 0.590 130.6
1780.0 0.584 129.9
1781.0 0.578 129.1
1782.0 0.572 128.3
1783.0 0.567 127.5
1784.0 0.561 126.7
1785.0 0.555 125.9
1786.0 0.550 125.0
1787.0 0.544 124.1
1788.0 0.539 123.2
1789.0 0.534 122.3
1790.0 0.529 121.4
1791.0 0.523 120.5
1792.0 0.518 119.5
1793.0 0.513 118.5
1794.0 0.509 117.5
1795.0 0.504 116.5
1796.0 0.499 115.5
1797.0 0.495 114.4
1798.0 0.490 113.3
1799.0 0.486 112.2
1800.0 0.482 111.1
1801.0 0.478 110.0
1802.0 0.474 108.8
1803.0 0.470 107.7
1804.0 0.467 106.5
1805.0 0.463 105.3
1806.0 0.460 104.0
1807.0 0.457 102.8
1808.0 0.454 101.5
1809.0 0.451 100.3
1810.0 0.449 99.0
1811.0 0.446 97.7
1812.0 0.444 96.4
1813.0 0.442 95.0
1814.0 0.440 93.7
1815.0 0.439 92.3
1816.0 0.437 91.0
1817.0 0.436 89.6
1818.0 0.435 88.2
1819.0 0.434 86.8
1820.0 0.433 85.5
1821.0 0.433 84.1
1822.0 0.433 82.7
1823.0 0.433 81.3
1824.0 0.433 79.9
1825.0 0.433 78.5
1826.0 0.434 77.1
1827.0 0.435 75.7
1828.0 0.436 74.3
1829.0 0.437 73.0
1830.0 0.438 71.6
1831.0 0.440 70.2
1832.0 0.441 68.9
1833.0 0.443 67.6
1834.0 0.445 66.2
1835.0 0.448 64.9
1836.0 0.450 63.6
1837.0 0.453 62.3
1838.0 0.455 61.1
1839.0 0.458 59.8
1840.0 0.461 58.6
1841.0 0.465 57.4
1842.0 0.468 56.2
1843.0 0.472 55.0
1844.0 0.475 53.8
1845.0 0.479 52.7
1846.0 0.483 51.5
1847.0 0.487 50.4
1848.0 0.491 49.3
1849.0 0.495 48.3
1850.0 0.499 47.2
1851.0 0.504 46.2
1852.0 0.508 45.2
1853.0 0.513 44.2
1854.0 0.518 43.2
1855.0 0.522 42.2
1856.0 0.527 41.3
1857.0 0.532 40.3
1858.0 0.537 39.4
1859.0 0.542 38.5
1860.0 0.547 37.6
1861.0 0.552 36.8
1862.0 0.557 35.9
1863.0 0.562 35.1
1864.0 0.567 34.3
1865.0 0.573 33.5
1866.0 0.578 32.7
1867.0 0.583 31.9
1868.0 0.588 31.1
1869.0 0.594 30.4
1870.0 0.599 29.7
1871.0 0.604 28.9
1872.0 0.609 28.2
1873.0 0.615 27.5
1874.0 0.620 26.8
1875.0 0.625 26.2
1876.0 0.630 25.5
1877.0 0.635 24.9
1878.0 0.641 24.2
1879.0 0.646 23.6
1880.0 0.651 23.0
1881.0 0.656 22.4
1882.0 0.661 21.7
1883.0 0.666 21.2
1884.0 0.671 20.6
1885.0 0.676 20.0
1886.0 0.680 19.4
1887.0 0.685 18.9
1888.0 0.690 18.3
1889.0 0.695 17.8
1890.0 0.699 17.2
1891.0 0.704 16.7
1892.0 0.708 16.2
1893.0 0.713 15.7
1894.0 0.717 15.1
1895.0 0.722 14.6
1896.0 0.726 14.1
1897.0 0.730 13.7
1898.0 0.734 13.2
1899.0 0.738 12.7
1900.0 0.742 12.2
1901.0 0.746 11.7
1902.0 0.750 11.3
1903.0 0.753 10.8
1904.0 0.757 10.3
1905.0 0.760 9.9
1906.0 0.764 9.4
1907.0 0.767 9.0
1908.0 0.770 8.6
1909.0 0.774 8.1
1910.0 0.777 7.7
1911.0 0.780 7.3
1912.0 0.783 6.8
1913.0 0.785 6.4
1914.0 0.788 6.0
1915.0 0.791 5.6
1916.0 0.793 5.1
1917.0 0.796 4.7
1918.0 0.798 4.3
1919.0 0.800 3.9
1920.0 0.802 3.5
1921.0 0.804 3.1
1922.0 0.806 2.7
1923.0 0.808 2.3
1924.0 0.810 1.9
1925.0 0.811 1.5
1926.0 0.813 1.1
1927.0 0.814 0.7
1928.0 0.815 0.3
1929.0 0.816 359.9
1930.0 0.818 359.5
1931.0 0.819 359.1
1932.0 0.819 358.7
1933.0 0.820 358.4
1934.0 0.821 358.0
1935.0 0.821 357.6
1936.0 0.822 357.2
1937.0 0.822 356.8
1938.0 0.822 356.4
1939.0 0.823 356.0
1940.0 0.823 355.7
1941.0 0.823 355.3
1942.0 0.822 354.9
1943.0 0.822 354.5
1944.0 0.822 354.1
1945.0 0.821 353.7
1946.0 0.821 353.3
1947.0 0.820 352.9
1948.0 0.820 352.6
1949.0 0.819 352.2
1950.0 0.818 351.8
1951.0 0.817 351.4
1952.0 0.816 351.0
1953.0 0.814 350.6
1954.0 0.813 350.2
1955.0 0.812 349.8
1956.0 0.810 349.4
1957.0 0.809 349.0
1958.0 0.807 348.6
1959.0 0.805 348.2
1960.0 0.803 347.8
1961.0 0.802 347.4
1962.0 0.800 347.0
1963.0 0.797 346.6
1964.0 0.795 346.2
1965.0 0.793 345.8
1966.0 0.791 345.4
1967.0 0.788 344.9
1968.0 0.786 344.5
1969.0 0.783 344.1
1970.0 0.781 343.7
1971.0 0.778 343.2
1972.0 0.775 342.8
1973.0 0.773 342.4
1974.0 0.770 341.9
1975.0 0.767 341.5
1976.0 0.764 341.0
1977.0 0.761 340.6
1978.0 0.758 340.1
1979.0 0.754 339.7
1980.0 0.751 339.2
1981.0 0.748 338.7
1982.0 0.745 338.3
1983.0 0.741 337.8
1984.0 0.738 337.3
1985.0 0.734 336.8
1986.0 0.731 336.4
1987.0 0.727 335.9
1988.0 0.723 335.4
1989.0 0.720 334.9
1990.0 0.716 334.4
1991.0 0.712 333.9
1992.0 0.709 333.3
1993.0 0.705 332.8
1994.0 0.701 332.3
1995.0 0.697 331.8
1996.0 0.693 331.2
1997.0 0.689 330.7
1998.0 0.685 330.1
1999.0 0.681 329.6
2000.0 0.678 329.0
2001.0 0.674 328.4
2002.0 0.670 327.8
2003.0 0.666 327.2
2004.0 0.662 326.7
2005.0 0.658 326.1
2006.0 0.653 325.4
2007.0 0.649 324.8
2008.0 0.645 324.2
2009.0 0.641 323.6
2010.0 0.637 322.9
2011.0 0.633 322.3
2012.0 0.629 321.6
2013.0 0.625 321.0
2014.0 0.621 320.3
2015.0 0.618 319.6
2016.0 0.614 318.9
2017.0 0.610 318.2
2018.0 0.606 317.5
2019.0 0.602 316.8
2020.0 0.598 316.1
2021.0 0.594 315.4
2022.0 0.591 314.6
2023.0 0.587 313.9
2024.0 0.583 313.1
2025.0 0.580 312.3
2026.0 0.576 311.5
2027.0 0.573 310.8
2028.0 0.569 309.9
2029.0 0.566 309.1
2030.0 0.562 308.3
2031.0 0.559 307.5
2032.0 0.556 306.6
2033.0 0.553 305.8
2034.0 0.550 304.9
2035.0 0.547 304.1
2036.0 0.544 303.2
2037.0 0.541 302.3
2038.0 0.538 301.4
2039.0 0.535 300.5
2040.0 0.533 299.6
2041.0 0.530 298.7
2042.0 0.528 297.7
2043.0 0.525 296.8
2044.0 0.523 295.8
2045.0 0.521 294.9
2046.0 0.519 293.9
2047.0 0.517 292.9
2048.0 0.515 292.0
2049.0 0.513 291.0
2050.0 0.512 290.0
2051.0 0.510 289.0
2052.0 0.509 288.0
2053.0 0.508 287.0
2054.0 0.507 285.9
2055.0 0.505 284.9
2056.0 0.505 283.9
2057.0 0.504 282.9
2058.0 0.503 281.8
2059.0 0.502 280.8
2060.0 0.502 279.8
2061.0 0.502 278.7
2062.0 0.501 277.7
2063.0 0.501 276.7
2064.0 0.501 275.6
2065.0 0.502 274.6
2066.0 0.502 273.5
2067.0 0.502 272.5
2068.0 0.503 271.5
2069.0 0.504 270.4
2070.0 0.504 269.4
2071.0 0.505 268.4
2072.0 0.506 267.4
2073.0 0.507 266.4
2074.0 0.509 265.3
2075.0 0.510 264.3
2076.0 0.512 263.3
2077.0 0.513 262.3
2078.0 0.515 261.4
2079.0 0.517 260.4
2080.0 0.519 259.4
2081.0 0.521 258.4
2082.0 0.523 257.5
2083.0 0.526 256.5
2084.0 0.528 255.6
2085.0 0.530 254.7
2086.0 0.533 253.7
2087.0 0.536 252.8
2088.0 0.539 251.9
2089.0 0.542 251.0
2090.0 0.545 250.1
2091.0 0.548 249.3
2092.0 0.551 248.4
2093.0 0.554 247.5
2094.0 0.558 246.7
2095.0 0.561 245.9
2096.0 0.564 245.0
2097.0 0.568 244.2
2098.0 0.572 243.4
2099.0 0.576 242.6
2100.0 0.579 241.8
2101.0 0.583 241.1
2102.0 0.587 240.3
2103.0 0.591 239.6
2104.0 0.595 238.8
2105.0 0.599 238.1
2106.0 0.604 237.4
2107.0 0.608 236.6
2108.0 0.612 235.9
2109.0 0.617 235.3
2110.0 0.621 234.6
2111.0 0.626 233.9
2112.0 0.630 233.2
2113.0 0.635 232.6
2114.0 0.639 231.9
2115.0 0.644 231.3
2116.0 0.649 230.7
2117.0 0.653 230.1
2118.0 0.658 229.5
2119.0 0.663 228.9
2120.0 0.668 228.3
2121.0 0.672 227.7
2122.0 0.677 227.1
2123.0 0.682 226.5
2124.0 0.687 226.0
2125.0 0.692 225.4
2126.0 0.697 224.9
2127.0 0.702 224.4
2128.0 0.707 223.8
2129.0 0.712 223.3
2130.0 0.717 222.8
2131.0 0.722 222.3
2132.0 0.727 221.8
2133.0 0.732 221.3
2134.0 0.738 220.8
2135.0 0.743 220.4
2136.0 0.748 219.9
2137.0 0.753 219.4
2138.0 0.758 219.0
2139.0 0.763 218.5
2140.0 0.768 218.1
2141.0 0.774 217.6
2142.0 0.779 217.2
2143.0 0.784 216.8
2144.0 0.789 216.4
2145.0 0.794 215.9
2146.0 0.799 215.5
2147.0 0.805 215.1
2148.0 0.810 214.7
2149.0 0.815 214.3
2150.0 0.820 213.9
2151.0 0.825 213.5
2152.0 0.830 213.2
2153.0 0.835 212.8
2154.0 0.841 212.4
2155.0 0.846 212.0
2156.0 0.851 211.7
2157.0 0.856 211.3
2158.0 0.861 211.0
2159.0 0.866 210.6
2160.0 0.871 210.3
2161.0 0.876 209.9
2162.0 0.881 209.6
2163.0 0.886 209.3
2164.0 0.891 208.9
2165.0 0.896 208.6
2166.0 0.901 208.3
2167.0 0.906 208.0
2168.0 0.911 207.6
2169.0 0.916 207.3
2170.0 0.921 207.0
2171.0 0.926 206.7
2172.0 0.931 206.4
2173.0 0.935 206.1
2174.0 0.940 205.8
2175.0 0.945 205.5
2176.0 0.950 205.2
2177.0 0.954 204.9
2178.0 0.959 204.7
2179.0 0.964 204.4
2180.0 0.969 204.1
2181.0 0.973 203.8
2182.0 0.978 203.5
2183.0 0.982 203.3
2184.0 0.987 203.0
2185.0 0.992 202.7
2186.0 0.996 202.5
2187.0 1.001 202.2
2188.0 1.005 201.9
2189.0 1.010 201.7
2190.0 1.014 201.4
2191.0 1.018 201.2
2192.0 1.023 200.9
2193.0 1.027 200.7
2194.0 1.031 200.4
2195.0 1.036 200.2
2196.0 1.040 200.0
2197.0 1.044 199.7
2198.0 1.048 199.5
2199.0 1.053 199.2
2200.0 1.057 199.0
2201.0 1.061 198.8
2202.0 1.065 198.5
2203.0 1.069 198.3
2204.0 1.073 198.1
2205.0 1.077 197.9
2206.0 1.081 197.6
2207.0 1.085 197.4
2208.0 1.088 197.2
2209.0 1.092 197.0
2210.0 1.096 196.7
2211.0 1.100 196.5
2212.0 1.104 196.3
2213.0 1.107 196.1
2214.0 1.111 195.9
2215.0 1.115 195.7
2216.0 1.118 195.5
2217.0 1.122 195.3
2218.0 1.125 195.1
2219.0 1.129 194.8
2220.0 1.132 194.6
2221.0 1.136 194.4
2222.0 1.139 194.2
2223.0 1.142 194.0
2224.0 1.146 193.8
2225.0 1.149 193.6
2226.0 1.152 193.4
2227.0 1.155 193.2
2228.0 1.158 193.1
2229.0 1.161 192.9
2230.0 1.164 192.7
2231.0 1.168 192.5
2232.0 1.171 192.3
2233.0 1.173 192.1
2234.0 1.176 191.9
2235.0 1.179 191.7
2236.0 1.182 191.5
2237.0 1.185 191.3
2238.0 1.188 191.2
2239.0 1.190 191.0
2240.0 1.193 190.8
2241.0 1.196 190.6
2242.0 1.198 190.4
2243.0 1.201 190.2
2244.0 1.203 190.1
2245.0 1.206 189.9
2246.0 1.208 189.7
2247.0 1.210 189.5
2248.0 1.213 189.3
2249.0 1.215 189.2
2250.0 1.217 189.0
2251.0 1.220 188.8
2252.0 1.222 188.6
2253.0 1.224 188.5
2254.0 1.226 188.3
2255.0 1.228 188.1
2256.0 1.230 187.9
2257.0 1.232 187.8
2258.0 1.234 187.6
2259.0 1.236 187.4
2260.0 1.237 187.3
2261.0 1.239 187.1
2262.0 1.241 186.9
2263.0 1.243 186.7
2264.0 1.244 186.6
2265.0 1.246 186.4
2266.0 1.247 186.2
2267.0 1.249 186.1
2268.0 1.250 185.9
2269.0 1.252 185.7
2270.0 1.253 185.6
2271.0 1.255 185.4
2272.0 1.256 185.2
2273.0 1.257 185.1
2274.0 1.258 184.9
2275.0 1.259 184.7
2276.0 1.261 184.6
2277.0 1.262 184.4
2278.0 1.263 184.3
2279.0 1.264 184.1
2280.0 1.264 183.9
2281.0 1.265 183.8
2282.0 1.266 183.6
2283.0 1.267 183.4
2284.0 1.268 183.3
2285.0 1.268 183.1
2286.0 1.269 183.0
2287.0 1.270 182.8
2288.0 1.270 182.6
2289.0 1.271 182.5
2290.0 1.271 182.3
2291.0 1.272 182.1
2292.0 1.272 182.0
2293.0 1.272 181.8
2294.0 1.272 181.7
2295.0 1.273 181.5
2296.0 1.273 181.3
2297.0 1.273 181.2
2298.0 1.273 181.0
2299.0 1.273 180.9
2300.0 1.273 180.7
2301.0 1.273 180.5
2302.0 1.273 180.4
2303.0 1.273 180.2
2304.0 1.273 180.0
2305.0 1.272 179.9
2306.0 1.272 179.7
2307.0 1.272 179.6
2308.0 1.271 179.4
2309.0 1.271 179.2
2310.0 1.270 179.1
2311.0 1.270 178.9
2312.0 1.269 178.8
2313.0 1.268 178.6
2314.0 1.268 178.4
2315.0 1.267 178.3
2316.0 1.266 178.1
2317.0 1.265 177.9
2318.0 1.265 177.8
2319.0 1.264 177.6
2320.0 1.263 177.5
2321.0 1.262 177.3
2322.0 1.260 177.1
2323.0 1.259 177.0
2324.0 1.258 176.8
2325.0 1.257 176.6
2326.0 1.256 176.5
2327.0 1.254 176.3
2328.0 1.253 176.1
2329.0 1.251 176.0
2330.0 1.250 175.8
2331.0 1.248 175.6
2332.0 1.247 175.5
2333.0 1.245 175.3
2334.0 1.244 175.1
2335.0 1.242 175.0
2336.0 1.240 174.8
2337.0 1.238 174.6
2338.0 1.236 174.4
2339.0 1.234 174.3
2340.0 1.233 174.1
2341.0 1.231 173.9
2342.0 1.228 173.8
2343.0 1.226 173.6
2344.0 1.224 173.4
2345.0 1.222 173.2
2346.0 1.220 173.1
2347.0 1.217 172.9
2348.0 1.215 172.7
2349.0 1.213 172.5
2350.0 1.210 172.4
2351.0 1.208 172.2
2352.0 1.205 172.0
2353.0 1.202 171.8
2354.0 1.200 171.6
2355.0 1.197 171.5
2356.0 1.194 171.3
2357.0 1.191 171.1
2358.0 1.189 170.9
2359.0 1.186 170.7
2360.0 1.183 170.5
2361.0 1.180 170.3
2362.0 1.177 170.2
2363.0 1.174 170.0
2364.0 1.170 169.8
2365.0 1.167 169.6
2366.0 1.164 169.4
2367.0 1.161 169.2
2368.0 1.157 169.0
2369.0 1.154 168.8
2370.0 1.150 168.6
2371.0 1.147 168.4
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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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