| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:58:36 |
| WDS: | STT358AB | WDS ID/Discoverer |
| P: | 512.740 | Orbital period (years) |
| a: | 1.73008 | Semi-major axis (arcseconds) |
| i: | 129.796 | Inclination (degrees) |
| Ω: | 38.513 | Longitude of ascending node (degrees) |
| T: | 1764.720 | Epoch of periastron passage (year) |
| e: | 0.43383 | Eccentricity |
| ω: | 78.743 | Longitude of periastron (degrees) |
| Start-Year: | 1769.0 | Year |
| End-Year: | 2281.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 183553.22+165832.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18359+1659 | WDS designation |
| Discoverer Code: | STT358AB | Discover designation and components |
| ADS number: | 11483 | Aitken Double Star catalog |
| HD number: | 171746 | HD catalog number |
| Hipparcos number: | 91159 | Hipparcos catalog number |
| V1: | 6.94 | Magnitude of the primary |
| V2: | 7.08 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.622 144.0 ------------------------- 1769.0 0.630 312.9 1770.0 0.630 309.9 1771.0 0.632 306.8 1772.0 0.634 303.8 1773.0 0.638 300.8 1774.0 0.643 297.8 1775.0 0.649 294.9 1776.0 0.657 292.1 1777.0 0.665 289.3 1778.0 0.675 286.6 1779.0 0.685 284.0 1780.0 0.696 281.5 1781.0 0.708 279.0 1782.0 0.721 276.6 1783.0 0.735 274.3 1784.0 0.749 272.1 1785.0 0.763 270.0 1786.0 0.779 268.0 1787.0 0.794 266.0 1788.0 0.810 264.1 1789.0 0.826 262.3 1790.0 0.843 260.6 1791.0 0.860 258.9 1792.0 0.877 257.3 1793.0 0.894 255.8 1794.0 0.911 254.3 1795.0 0.929 252.8 1796.0 0.946 251.5 1797.0 0.963 250.1 1798.0 0.981 248.8 1799.0 0.998 247.6 1800.0 1.015 246.4 1801.0 1.033 245.3 1802.0 1.050 244.1 1803.0 1.067 243.1 1804.0 1.084 242.0 1805.0 1.100 241.0 1806.0 1.117 240.0 1807.0 1.134 239.0 1808.0 1.150 238.1 1809.0 1.166 237.2 1810.0 1.182 236.3 1811.0 1.198 235.5 1812.0 1.213 234.6 1813.0 1.229 233.8 1814.0 1.244 233.0 1815.0 1.259 232.3 1816.0 1.274 231.5 1817.0 1.288 230.8 1818.0 1.302 230.0 1819.0 1.316 229.3 1820.0 1.330 228.7 1821.0 1.344 228.0 1822.0 1.357 227.3 1823.0 1.371 226.7 1824.0 1.384 226.0 1825.0 1.396 225.4 1826.0 1.409 224.8 1827.0 1.421 224.2 1828.0 1.433 223.6 1829.0 1.445 223.0 1830.0 1.457 222.4 1831.0 1.468 221.8 1832.0 1.479 221.3 1833.0 1.490 220.7 1834.0 1.501 220.2 1835.0 1.512 219.7 1836.0 1.522 219.1 1837.0 1.532 218.6 1838.0 1.542 218.1 1839.0 1.552 217.6 1840.0 1.562 217.1 1841.0 1.571 216.6 1842.0 1.580 216.1 1843.0 1.589 215.6 1844.0 1.598 215.2 1845.0 1.606 214.7 1846.0 1.615 214.2 1847.0 1.623 213.8 1848.0 1.631 213.3 1849.0 1.639 212.8 1850.0 1.646 212.4 1851.0 1.654 211.9 1852.0 1.661 211.5 1853.0 1.668 211.1 1854.0 1.675 210.6 1855.0 1.682 210.2 1856.0 1.688 209.8 1857.0 1.695 209.4 1858.0 1.701 208.9 1859.0 1.707 208.5 1860.0 1.713 208.1 1861.0 1.719 207.7 1862.0 1.724 207.3 1863.0 1.730 206.9 1864.0 1.735 206.5 1865.0 1.740 206.1 1866.0 1.745 205.7 1867.0 1.750 205.3 1868.0 1.755 204.9 1869.0 1.760 204.5 1870.0 1.764 204.1 1871.0 1.768 203.7 1872.0 1.772 203.3 1873.0 1.776 202.9 1874.0 1.780 202.6 1875.0 1.784 202.2 1876.0 1.788 201.8 1877.0 1.791 201.4 1878.0 1.795 201.0 1879.0 1.798 200.7 1880.0 1.801 200.3 1881.0 1.804 199.9 1882.0 1.807 199.5 1883.0 1.810 199.2 1884.0 1.812 198.8 1885.0 1.815 198.4 1886.0 1.817 198.1 1887.0 1.820 197.7 1888.0 1.822 197.3 1889.0 1.824 197.0 1890.0 1.826 196.6 1891.0 1.828 196.2 1892.0 1.830 195.9 1893.0 1.831 195.5 1894.0 1.833 195.2 1895.0 1.835 194.8 1896.0 1.836 194.4 1897.0 1.837 194.1 1898.0 1.839 193.7 1899.0 1.840 193.4 1900.0 1.841 193.0 1901.0 1.842 192.6 1902.0 1.843 192.3 1903.0 1.843 191.9 1904.0 1.844 191.6 1905.0 1.845 191.2 1906.0 1.845 190.9 1907.0 1.846 190.5 1908.0 1.846 190.2 1909.0 1.846 189.8 1910.0 1.846 189.4 1911.0 1.847 189.1 1912.0 1.847 188.7 1913.0 1.847 188.4 1914.0 1.846 188.0 1915.0 1.846 187.7 1916.0 1.846 187.3 1917.0 1.846 187.0 1918.0 1.845 186.6 1919.0 1.845 186.2 1920.0 1.845 185.9 1921.0 1.844 185.5 1922.0 1.843 185.2 1923.0 1.843 184.8 1924.0 1.842 184.5 1925.0 1.841 184.1 1926.0 1.840 183.7 1927.0 1.839 183.4 1928.0 1.838 183.0 1929.0 1.837 182.7 1930.0 1.836 182.3 1931.0 1.835 181.9 1932.0 1.834 181.6 1933.0 1.833 181.2 1934.0 1.831 180.9 1935.0 1.830 180.5 1936.0 1.829 180.1 1937.0 1.827 179.8 1938.0 1.826 179.4 1939.0 1.824 179.1 1940.0 1.823 178.7 1941.0 1.821 178.3 1942.0 1.819 178.0 1943.0 1.818 177.6 1944.0 1.816 177.2 1945.0 1.814 176.9 1946.0 1.812 176.5 1947.0 1.810 176.1 1948.0 1.809 175.7 1949.0 1.807 175.4 1950.0 1.805 175.0 1951.0 1.803 174.6 1952.0 1.801 174.3 1953.0 1.799 173.9 1954.0 1.797 173.5 1955.0 1.794 173.1 1956.0 1.792 172.8 1957.0 1.790 172.4 1958.0 1.788 172.0 1959.0 1.786 171.6 1960.0 1.784 171.2 1961.0 1.781 170.9 1962.0 1.779 170.5 1963.0 1.777 170.1 1964.0 1.774 169.7 1965.0 1.772 169.3 1966.0 1.770 168.9 1967.0 1.767 168.6 1968.0 1.765 168.2 1969.0 1.762 167.8 1970.0 1.760 167.4 1971.0 1.757 167.0 1972.0 1.755 166.6 1973.0 1.752 166.2 1974.0 1.750 165.8 1975.0 1.747 165.4 1976.0 1.745 165.0 1977.0 1.742 164.6 1978.0 1.740 164.2 1979.0 1.737 163.8 1980.0 1.735 163.4 1981.0 1.732 163.0 1982.0 1.729 162.6 1983.0 1.727 162.2 1984.0 1.724 161.8 1985.0 1.722 161.4 1986.0 1.719 161.0 1987.0 1.716 160.6 1988.0 1.714 160.2 1989.0 1.711 159.7 1990.0 1.709 159.3 1991.0 1.706 158.9 1992.0 1.703 158.5 1993.0 1.701 158.1 1994.0 1.698 157.7 1995.0 1.696 157.2 1996.0 1.693 156.8 1997.0 1.690 156.4 1998.0 1.688 156.0 1999.0 1.685 155.5 2000.0 1.683 155.1 2001.0 1.680 154.7 2002.0 1.677 154.2 2003.0 1.675 153.8 2004.0 1.672 153.4 2005.0 1.670 153.0 2006.0 1.667 152.5 2007.0 1.665 152.1 2008.0 1.662 151.6 2009.0 1.660 151.2 2010.0 1.657 150.8 2011.0 1.655 150.3 2012.0 1.652 149.9 2013.0 1.650 149.4 2014.0 1.647 149.0 2015.0 1.645 148.5 2016.0 1.643 148.1 2017.0 1.640 147.6 2018.0 1.638 147.2 2019.0 1.636 146.7 2020.0 1.633 146.3 2021.0 1.631 145.8 2022.0 1.629 145.4 2023.0 1.626 144.9 2024.0 1.624 144.5 2025.0 1.622 144.0 2026.0 1.620 143.5 2027.0 1.618 143.1 2028.0 1.615 142.6 2029.0 1.613 142.1 2030.0 1.611 141.7 2031.0 1.609 141.2 2032.0 1.607 140.7 2033.0 1.605 140.3 2034.0 1.603 139.8 2035.0 1.601 139.3 2036.0 1.599 138.9 2037.0 1.597 138.4 2038.0 1.595 137.9 2039.0 1.593 137.4 2040.0 1.592 136.9 2041.0 1.590 136.5 2042.0 1.588 136.0 2043.0 1.586 135.5 2044.0 1.585 135.0 2045.0 1.583 134.5 2046.0 1.581 134.1 2047.0 1.580 133.6 2048.0 1.578 133.1 2049.0 1.576 132.6 2050.0 1.575 132.1 2051.0 1.573 131.6 2052.0 1.572 131.1 2053.0 1.571 130.6 2054.0 1.569 130.2 2055.0 1.568 129.7 2056.0 1.566 129.2 2057.0 1.565 128.7 2058.0 1.564 128.2 2059.0 1.563 127.7 2060.0 1.561 127.2 2061.0 1.560 126.7 2062.0 1.559 126.2 2063.0 1.558 125.7 2064.0 1.557 125.2 2065.0 1.556 124.7 2066.0 1.555 124.2 2067.0 1.554 123.7 2068.0 1.553 123.2 2069.0 1.552 122.7 2070.0 1.551 122.2 2071.0 1.550 121.7 2072.0 1.550 121.2 2073.0 1.549 120.7 2074.0 1.548 120.2 2075.0 1.547 119.7 2076.0 1.547 119.1 2077.0 1.546 118.6 2078.0 1.546 118.1 2079.0 1.545 117.6 2080.0 1.544 117.1 2081.0 1.544 116.6 2082.0 1.544 116.1 2083.0 1.543 115.6 2084.0 1.543 115.1 2085.0 1.542 114.6 2086.0 1.542 114.1 2087.0 1.542 113.6 2088.0 1.541 113.0 2089.0 1.541 112.5 2090.0 1.541 112.0 2091.0 1.541 111.5 2092.0 1.541 111.0 2093.0 1.541 110.5 2094.0 1.541 110.0 2095.0 1.540 109.5 2096.0 1.540 109.0 2097.0 1.540 108.4 2098.0 1.540 107.9 2099.0 1.540 107.4 2100.0 1.541 106.9 2101.0 1.541 106.4 2102.0 1.541 105.9 2103.0 1.541 105.4 2104.0 1.541 104.9 2105.0 1.541 104.4 2106.0 1.541 103.9 2107.0 1.542 103.3 2108.0 1.542 102.8 2109.0 1.542 102.3 2110.0 1.543 101.8 2111.0 1.543 101.3 2112.0 1.543 100.8 2113.0 1.544 100.3 2114.0 1.544 99.8 2115.0 1.544 99.3 2116.0 1.545 98.8 2117.0 1.545 98.3 2118.0 1.545 97.7 2119.0 1.546 97.2 2120.0 1.546 96.7 2121.0 1.547 96.2 2122.0 1.547 95.7 2123.0 1.548 95.2 2124.0 1.548 94.7 2125.0 1.549 94.2 2126.0 1.549 93.7 2127.0 1.550 93.2 2128.0 1.550 92.7 2129.0 1.551 92.2 2130.0 1.551 91.7 2131.0 1.552 91.2 2132.0 1.552 90.7 2133.0 1.553 90.2 2134.0 1.553 89.7 2135.0 1.553 89.2 2136.0 1.554 88.7 2137.0 1.554 88.2 2138.0 1.555 87.7 2139.0 1.555 87.2 2140.0 1.556 86.7 2141.0 1.556 86.2 2142.0 1.556 85.7 2143.0 1.557 85.2 2144.0 1.557 84.7 2145.0 1.558 84.2 2146.0 1.558 83.7 2147.0 1.558 83.2 2148.0 1.558 82.7 2149.0 1.559 82.2 2150.0 1.559 81.7 2151.0 1.559 81.2 2152.0 1.559 80.7 2153.0 1.559 80.2 2154.0 1.559 79.7 2155.0 1.559 79.2 2156.0 1.559 78.7 2157.0 1.559 78.2 2158.0 1.559 77.7 2159.0 1.559 77.2 2160.0 1.559 76.7 2161.0 1.559 76.2 2162.0 1.558 75.7 2163.0 1.558 75.2 2164.0 1.558 74.7 2165.0 1.557 74.2 2166.0 1.557 73.7 2167.0 1.556 73.2 2168.0 1.556 72.7 2169.0 1.555 72.2 2170.0 1.554 71.7 2171.0 1.554 71.2 2172.0 1.553 70.7 2173.0 1.552 70.2 2174.0 1.551 69.7 2175.0 1.550 69.2 2176.0 1.548 68.7 2177.0 1.547 68.2 2178.0 1.546 67.6 2179.0 1.544 67.1 2180.0 1.543 66.6 2181.0 1.541 66.1 2182.0 1.539 65.6 2183.0 1.538 65.1 2184.0 1.536 64.6 2185.0 1.534 64.1 2186.0 1.532 63.6 2187.0 1.529 63.0 2188.0 1.527 62.5 2189.0 1.524 62.0 2190.0 1.522 61.5 2191.0 1.519 61.0 2192.0 1.516 60.4 2193.0 1.513 59.9 2194.0 1.510 59.4 2195.0 1.507 58.8 2196.0 1.504 58.3 2197.0 1.500 57.8 2198.0 1.496 57.2 2199.0 1.493 56.7 2200.0 1.489 56.1 2201.0 1.485 55.6 2202.0 1.480 55.0 2203.0 1.476 54.5 2204.0 1.471 53.9 2205.0 1.466 53.4 2206.0 1.461 52.8 2207.0 1.456 52.2 2208.0 1.451 51.7 2209.0 1.445 51.1 2210.0 1.440 50.5 2211.0 1.434 49.9 2212.0 1.428 49.3 2213.0 1.422 48.7 2214.0 1.415 48.1 2215.0 1.408 47.5 2216.0 1.401 46.9 2217.0 1.394 46.3 2218.0 1.387 45.6 2219.0 1.379 45.0 2220.0 1.372 44.4 2221.0 1.364 43.7 2222.0 1.355 43.1 2223.0 1.347 42.4 2224.0 1.338 41.7 2225.0 1.329 41.0 2226.0 1.320 40.4 2227.0 1.311 39.7 2228.0 1.301 38.9 2229.0 1.291 38.2 2230.0 1.281 37.5 2231.0 1.270 36.7 2232.0 1.259 36.0 2233.0 1.248 35.2 2234.0 1.237 34.4 2235.0 1.225 33.6 2236.0 1.214 32.8 2237.0 1.201 32.0 2238.0 1.189 31.1 2239.0 1.176 30.3 2240.0 1.164 29.4 2241.0 1.150 28.5 2242.0 1.137 27.6 2243.0 1.123 26.6 2244.0 1.109 25.6 2245.0 1.095 24.6 2246.0 1.081 23.6 2247.0 1.066 22.6 2248.0 1.051 21.5 2249.0 1.036 20.4 2250.0 1.021 19.2 2251.0 1.006 18.0 2252.0 0.990 16.8 2253.0 0.975 15.6 2254.0 0.959 14.3 2255.0 0.943 12.9 2256.0 0.927 11.5 2257.0 0.911 10.1 2258.0 0.895 8.6 2259.0 0.878 7.1 2260.0 0.862 5.5 2261.0 0.847 3.8 2262.0 0.831 2.1 2263.0 0.815 0.3 2264.0 0.800 358.4 2265.0 0.784 356.5 2266.0 0.770 354.5 2267.0 0.755 352.4 2268.0 0.741 350.3 2269.0 0.728 348.0 2270.0 0.715 345.7 2271.0 0.703 343.3 2272.0 0.691 340.8 2273.0 0.680 338.2 2274.0 0.670 335.5 2275.0 0.662 332.8 2276.0 0.654 330.0 2277.0 0.647 327.1 2278.0 0.641 324.2 2279.0 0.636 321.2 2280.0 0.633 318.2