| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:11:33 |
| WDS: | STT251 | WDS ID/Discoverer |
| P: | 540.560 | Orbital period (years) |
| a: | 0.553 | Semi-major axis (arcseconds) |
| i: | 33.4 | Inclination (degrees) |
| Ω: | 165.1 | Longitude of ascending node (degrees) |
| T: | 1894.330 | Epoch of periastron passage (year) |
| e: | 0.855 | Eccentricity |
| ω: | 96.0 | Longitude of periastron (degrees) |
| Start-Year: | 1755.0 | Year |
| End-Year: | 2295.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 122907.72+312325.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 12291+3123 | WDS designation |
| Discoverer Code: | STT251 | Discover designation and components |
| ADS number: | 8569 | Aitken Double Star catalog |
| HD number: | 108693 | HD catalog number |
| Hipparcos number: | 60920 | Hipparcos catalog number |
| V1: | 8.35 | Magnitude of the primary |
| V2: | 9.27 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1997 | 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)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.701 63.1 ------------------------- 1755.0 0.736 99.6 1756.0 0.734 99.7 1757.0 0.732 99.9 1758.0 0.730 100.0 1759.0 0.727 100.2 1760.0 0.725 100.4 1761.0 0.723 100.5 1762.0 0.721 100.7 1763.0 0.719 100.9 1764.0 0.716 101.1 1765.0 0.714 101.2 1766.0 0.712 101.4 1767.0 0.710 101.6 1768.0 0.707 101.8 1769.0 0.705 101.9 1770.0 0.702 102.1 1771.0 0.700 102.3 1772.0 0.698 102.5 1773.0 0.695 102.6 1774.0 0.693 102.8 1775.0 0.690 103.0 1776.0 0.688 103.2 1777.0 0.685 103.4 1778.0 0.683 103.6 1779.0 0.680 103.8 1780.0 0.677 104.0 1781.0 0.675 104.2 1782.0 0.672 104.3 1783.0 0.669 104.5 1784.0 0.667 104.7 1785.0 0.664 104.9 1786.0 0.661 105.1 1787.0 0.658 105.3 1788.0 0.655 105.5 1789.0 0.653 105.8 1790.0 0.650 106.0 1791.0 0.647 106.2 1792.0 0.644 106.4 1793.0 0.641 106.6 1794.0 0.638 106.8 1795.0 0.635 107.0 1796.0 0.632 107.3 1797.0 0.629 107.5 1798.0 0.626 107.7 1799.0 0.623 107.9 1800.0 0.619 108.2 1801.0 0.616 108.4 1802.0 0.613 108.6 1803.0 0.610 108.9 1804.0 0.607 109.1 1805.0 0.603 109.3 1806.0 0.600 109.6 1807.0 0.597 109.8 1808.0 0.593 110.1 1809.0 0.590 110.3 1810.0 0.586 110.6 1811.0 0.583 110.8 1812.0 0.579 111.1 1813.0 0.576 111.4 1814.0 0.572 111.6 1815.0 0.568 111.9 1816.0 0.565 112.2 1817.0 0.561 112.5 1818.0 0.557 112.7 1819.0 0.553 113.0 1820.0 0.550 113.3 1821.0 0.546 113.6 1822.0 0.542 113.9 1823.0 0.538 114.2 1824.0 0.534 114.5 1825.0 0.530 114.8 1826.0 0.526 115.1 1827.0 0.522 115.5 1828.0 0.517 115.8 1829.0 0.513 116.1 1830.0 0.509 116.5 1831.0 0.505 116.8 1832.0 0.500 117.2 1833.0 0.496 117.5 1834.0 0.492 117.9 1835.0 0.487 118.2 1836.0 0.483 118.6 1837.0 0.478 119.0 1838.0 0.473 119.4 1839.0 0.469 119.8 1840.0 0.464 120.2 1841.0 0.459 120.6 1842.0 0.454 121.0 1843.0 0.449 121.5 1844.0 0.444 121.9 1845.0 0.439 122.4 1846.0 0.434 122.8 1847.0 0.429 123.3 1848.0 0.424 123.8 1849.0 0.419 124.3 1850.0 0.413 124.8 1851.0 0.408 125.3 1852.0 0.402 125.8 1853.0 0.397 126.4 1854.0 0.391 127.0 1855.0 0.385 127.5 1856.0 0.379 128.2 1857.0 0.374 128.8 1858.0 0.368 129.4 1859.0 0.361 130.1 1860.0 0.355 130.8 1861.0 0.349 131.5 1862.0 0.343 132.2 1863.0 0.336 133.0 1864.0 0.330 133.8 1865.0 0.323 134.6 1866.0 0.316 135.5 1867.0 0.309 136.4 1868.0 0.302 137.3 1869.0 0.295 138.3 1870.0 0.288 139.3 1871.0 0.280 140.4 1872.0 0.273 141.6 1873.0 0.265 142.8 1874.0 0.257 144.1 1875.0 0.249 145.5 1876.0 0.240 147.0 1877.0 0.232 148.5 1878.0 0.223 150.3 1879.0 0.214 152.1 1880.0 0.205 154.1 1881.0 0.195 156.3 1882.0 0.186 158.7 1883.0 0.176 161.4 1884.0 0.165 164.5 1885.0 0.155 167.9 1886.0 0.144 171.9 1887.0 0.133 176.5 1888.0 0.121 182.0 1889.0 0.109 188.7 1890.0 0.098 196.9 1891.0 0.087 207.3 1892.0 0.077 220.5 1893.0 0.070 236.9 1894.0 0.067 255.8 1895.0 0.069 275.1 1896.0 0.075 292.5 1897.0 0.083 306.7 1898.0 0.094 318.0 1899.0 0.105 327.0 1900.0 0.116 334.3 1901.0 0.127 340.3 1902.0 0.137 345.4 1903.0 0.148 349.8 1904.0 0.158 353.5 1905.0 0.167 356.9 1906.0 0.177 359.9 1907.0 0.186 2.5 1908.0 0.195 5.0 1909.0 0.204 7.2 1910.0 0.212 9.2 1911.0 0.220 11.1 1912.0 0.229 12.9 1913.0 0.236 14.5 1914.0 0.244 16.0 1915.0 0.252 17.5 1916.0 0.259 18.8 1917.0 0.266 20.1 1918.0 0.274 21.3 1919.0 0.281 22.4 1920.0 0.287 23.5 1921.0 0.294 24.6 1922.0 0.301 25.6 1923.0 0.307 26.5 1924.0 0.314 27.4 1925.0 0.320 28.3 1926.0 0.326 29.2 1927.0 0.332 30.0 1928.0 0.338 30.8 1929.0 0.344 31.5 1930.0 0.350 32.3 1931.0 0.356 33.0 1932.0 0.362 33.6 1933.0 0.367 34.3 1934.0 0.373 35.0 1935.0 0.378 35.6 1936.0 0.384 36.2 1937.0 0.389 36.8 1938.0 0.394 37.4 1939.0 0.400 37.9 1940.0 0.405 38.5 1941.0 0.410 39.0 1942.0 0.415 39.5 1943.0 0.420 40.0 1944.0 0.425 40.5 1945.0 0.430 41.0 1946.0 0.435 41.5 1947.0 0.439 41.9 1948.0 0.444 42.4 1949.0 0.449 42.8 1950.0 0.453 43.3 1951.0 0.458 43.7 1952.0 0.462 44.1 1953.0 0.467 44.5 1954.0 0.471 44.9 1955.0 0.476 45.3 1956.0 0.480 45.7 1957.0 0.484 46.1 1958.0 0.488 46.4 1959.0 0.493 46.8 1960.0 0.497 47.2 1961.0 0.501 47.5 1962.0 0.505 47.9 1963.0 0.509 48.2 1964.0 0.513 48.5 1965.0 0.517 48.9 1966.0 0.521 49.2 1967.0 0.525 49.5 1968.0 0.529 49.8 1969.0 0.533 50.2 1970.0 0.536 50.5 1971.0 0.540 50.8 1972.0 0.544 51.1 1973.0 0.548 51.4 1974.0 0.551 51.7 1975.0 0.555 51.9 1976.0 0.558 52.2 1977.0 0.562 52.5 1978.0 0.566 52.8 1979.0 0.569 53.1 1980.0 0.572 53.3 1981.0 0.576 53.6 1982.0 0.579 53.9 1983.0 0.583 54.1 1984.0 0.586 54.4 1985.0 0.589 54.6 1986.0 0.593 54.9 1987.0 0.596 55.1 1988.0 0.599 55.4 1989.0 0.602 55.6 1990.0 0.605 55.9 1991.0 0.609 56.1 1992.0 0.612 56.4 1993.0 0.615 56.6 1994.0 0.618 56.8 1995.0 0.621 57.0 1996.0 0.624 57.3 1997.0 0.627 57.5 1998.0 0.630 57.7 1999.0 0.633 57.9 2000.0 0.636 58.2 2001.0 0.639 58.4 2002.0 0.641 58.6 2003.0 0.644 58.8 2004.0 0.647 59.0 2005.0 0.650 59.2 2006.0 0.653 59.4 2007.0 0.655 59.6 2008.0 0.658 59.9 2009.0 0.661 60.1 2010.0 0.663 60.3 2011.0 0.666 60.5 2012.0 0.669 60.7 2013.0 0.671 60.8 2014.0 0.674 61.0 2015.0 0.676 61.2 2016.0 0.679 61.4 2017.0 0.681 61.6 2018.0 0.684 61.8 2019.0 0.686 62.0 2020.0 0.689 62.2 2021.0 0.691 62.4 2022.0 0.694 62.6 2023.0 0.696 62.7 2024.0 0.698 62.9 2025.0 0.701 63.1 2026.0 0.703 63.3 2027.0 0.705 63.5 2028.0 0.708 63.6 2029.0 0.710 63.8 2030.0 0.712 64.0 2031.0 0.714 64.2 2032.0 0.717 64.3 2033.0 0.719 64.5 2034.0 0.721 64.7 2035.0 0.723 64.8 2036.0 0.725 65.0 2037.0 0.727 65.2 2038.0 0.729 65.3 2039.0 0.731 65.5 2040.0 0.733 65.7 2041.0 0.735 65.8 2042.0 0.737 66.0 2043.0 0.739 66.2 2044.0 0.741 66.3 2045.0 0.743 66.5 2046.0 0.745 66.6 2047.0 0.747 66.8 2048.0 0.749 67.0 2049.0 0.751 67.1 2050.0 0.753 67.3 2051.0 0.755 67.4 2052.0 0.756 67.6 2053.0 0.758 67.7 2054.0 0.760 67.9 2055.0 0.762 68.0 2056.0 0.763 68.2 2057.0 0.765 68.3 2058.0 0.767 68.5 2059.0 0.769 68.6 2060.0 0.770 68.8 2061.0 0.772 68.9 2062.0 0.774 69.1 2063.0 0.775 69.2 2064.0 0.777 69.4 2065.0 0.778 69.5 2066.0 0.780 69.7 2067.0 0.782 69.8 2068.0 0.783 70.0 2069.0 0.785 70.1 2070.0 0.786 70.2 2071.0 0.788 70.4 2072.0 0.789 70.5 2073.0 0.790 70.7 2074.0 0.792 70.8 2075.0 0.793 70.9 2076.0 0.795 71.1 2077.0 0.796 71.2 2078.0 0.798 71.4 2079.0 0.799 71.5 2080.0 0.800 71.6 2081.0 0.802 71.8 2082.0 0.803 71.9 2083.0 0.804 72.1 2084.0 0.805 72.2 2085.0 0.807 72.3 2086.0 0.808 72.5 2087.0 0.809 72.6 2088.0 0.810 72.7 2089.0 0.812 72.9 2090.0 0.813 73.0 2091.0 0.814 73.1 2092.0 0.815 73.3 2093.0 0.816 73.4 2094.0 0.817 73.5 2095.0 0.818 73.7 2096.0 0.819 73.8 2097.0 0.821 73.9 2098.0 0.822 74.1 2099.0 0.823 74.2 2100.0 0.824 74.3 2101.0 0.825 74.4 2102.0 0.826 74.6 2103.0 0.827 74.7 2104.0 0.828 74.8 2105.0 0.829 75.0 2106.0 0.830 75.1 2107.0 0.830 75.2 2108.0 0.831 75.3 2109.0 0.832 75.5 2110.0 0.833 75.6 2111.0 0.834 75.7 2112.0 0.835 75.9 2113.0 0.836 76.0 2114.0 0.836 76.1 2115.0 0.837 76.2 2116.0 0.838 76.4 2117.0 0.839 76.5 2118.0 0.840 76.6 2119.0 0.840 76.7 2120.0 0.841 76.9 2121.0 0.842 77.0 2122.0 0.842 77.1 2123.0 0.843 77.2 2124.0 0.844 77.4 2125.0 0.844 77.5 2126.0 0.845 77.6 2127.0 0.846 77.7 2128.0 0.846 77.8 2129.0 0.847 78.0 2130.0 0.847 78.1 2131.0 0.848 78.2 2132.0 0.849 78.3 2133.0 0.849 78.5 2134.0 0.850 78.6 2135.0 0.850 78.7 2136.0 0.851 78.8 2137.0 0.851 79.0 2138.0 0.852 79.1 2139.0 0.852 79.2 2140.0 0.852 79.3 2141.0 0.853 79.4 2142.0 0.853 79.6 2143.0 0.854 79.7 2144.0 0.854 79.8 2145.0 0.854 79.9 2146.0 0.855 80.0 2147.0 0.855 80.2 2148.0 0.855 80.3 2149.0 0.856 80.4 2150.0 0.856 80.5 2151.0 0.856 80.6 2152.0 0.856 80.8 2153.0 0.857 80.9 2154.0 0.857 81.0 2155.0 0.857 81.1 2156.0 0.857 81.2 2157.0 0.857 81.4 2158.0 0.858 81.5 2159.0 0.858 81.6 2160.0 0.858 81.7 2161.0 0.858 81.8 2162.0 0.858 82.0 2163.0 0.858 82.1 2164.0 0.858 82.2 2165.0 0.858 82.3 2166.0 0.859 82.4 2167.0 0.859 82.6 2168.0 0.859 82.7 2169.0 0.859 82.8 2170.0 0.859 82.9 2171.0 0.859 83.0 2172.0 0.859 83.2 2173.0 0.858 83.3 2174.0 0.858 83.4 2175.0 0.858 83.5 2176.0 0.858 83.6 2177.0 0.858 83.8 2178.0 0.858 83.9 2179.0 0.858 84.0 2180.0 0.858 84.1 2181.0 0.858 84.2 2182.0 0.857 84.4 2183.0 0.857 84.5 2184.0 0.857 84.6 2185.0 0.857 84.7 2186.0 0.857 84.8 2187.0 0.856 85.0 2188.0 0.856 85.1 2189.0 0.856 85.2 2190.0 0.855 85.3 2191.0 0.855 85.4 2192.0 0.855 85.6 2193.0 0.855 85.7 2194.0 0.854 85.8 2195.0 0.854 85.9 2196.0 0.853 86.0 2197.0 0.853 86.2 2198.0 0.853 86.3 2199.0 0.852 86.4 2200.0 0.852 86.5 2201.0 0.851 86.7 2202.0 0.851 86.8 2203.0 0.850 86.9 2204.0 0.850 87.0 2205.0 0.849 87.1 2206.0 0.849 87.3 2207.0 0.848 87.4 2208.0 0.848 87.5 2209.0 0.847 87.6 2210.0 0.847 87.8 2211.0 0.846 87.9 2212.0 0.845 88.0 2213.0 0.845 88.1 2214.0 0.844 88.2 2215.0 0.843 88.4 2216.0 0.843 88.5 2217.0 0.842 88.6 2218.0 0.841 88.7 2219.0 0.841 88.9 2220.0 0.840 89.0 2221.0 0.839 89.1 2222.0 0.838 89.2 2223.0 0.837 89.4 2224.0 0.837 89.5 2225.0 0.836 89.6 2226.0 0.835 89.7 2227.0 0.834 89.9 2228.0 0.833 90.0 2229.0 0.832 90.1 2230.0 0.832 90.3 2231.0 0.831 90.4 2232.0 0.830 90.5 2233.0 0.829 90.6 2234.0 0.828 90.8 2235.0 0.827 90.9 2236.0 0.826 91.0 2237.0 0.825 91.2 2238.0 0.824 91.3 2239.0 0.823 91.4 2240.0 0.822 91.5 2241.0 0.821 91.7 2242.0 0.820 91.8 2243.0 0.818 91.9 2244.0 0.817 92.1 2245.0 0.816 92.2 2246.0 0.815 92.3 2247.0 0.814 92.5 2248.0 0.813 92.6 2249.0 0.811 92.7 2250.0 0.810 92.9 2251.0 0.809 93.0 2252.0 0.808 93.1 2253.0 0.806 93.3 2254.0 0.805 93.4 2255.0 0.804 93.5 2256.0 0.803 93.7 2257.0 0.801 93.8 2258.0 0.800 94.0 2259.0 0.798 94.1 2260.0 0.797 94.2 2261.0 0.796 94.4 2262.0 0.794 94.5 2263.0 0.793 94.7 2264.0 0.791 94.8 2265.0 0.790 94.9 2266.0 0.788 95.1 2267.0 0.787 95.2 2268.0 0.785 95.4 2269.0 0.784 95.5 2270.0 0.782 95.6 2271.0 0.781 95.8 2272.0 0.779 95.9 2273.0 0.777 96.1 2274.0 0.776 96.2 2275.0 0.774 96.4 2276.0 0.772 96.5 2277.0 0.771 96.7 2278.0 0.769 96.8 2279.0 0.767 97.0 2280.0 0.766 97.1 2281.0 0.764 97.3 2282.0 0.762 97.4 2283.0 0.760 97.6 2284.0 0.758 97.7 2285.0 0.757 97.9 2286.0 0.755 98.0 2287.0 0.753 98.2 2288.0 0.751 98.3 2289.0 0.749 98.5 2290.0 0.747 98.7 2291.0 0.745 98.8 2292.0 0.743 99.0 2293.0 0.741 99.1 2294.0 0.739 99.3