| WDS: | STF2597AB | WDS ID/Discoverer |
| P: | 425.000 | Orbital period (years) |
| a: | 1.085 | Semi-major axis (arcseconds) |
| i: | 103.05 | Inclination (degrees) |
| Ω: | 264.03 | Longitude of ascending node (degrees) |
| T: | 1974.280 | Epoch of periastron passage (year) |
| e: | 0.9414 | Eccentricity |
| ω: | 327.9 | Longitude of periastron (degrees) |
| Start-Year: | 1812.5 | Year |
| End-Year: | 2237.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2597AB |
||
| Position: | 195519.49-064404.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19553-0644 | WDS designation |
| Discoverer Code: | STF2597AB | Discover designation and components |
| ADS number: | 13104 | Aitken Double Star catalog |
| HD number: | 188405 | HD catalog number |
| Hipparcos number: | 98038 | Hipparcos catalog number |
| V1: | 6.94 | Magnitude of the primary |
| V2: | 7.98 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hrt1996a | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 0.823 98.77 -------------------------- 1812.50 1.802 90.92 1813.50 1.801 90.90 1814.50 1.799 90.87 1815.50 1.798 90.85 1816.50 1.796 90.83 1817.50 1.794 90.80 1818.50 1.792 90.78 1819.50 1.791 90.76 1820.50 1.789 90.73 1821.50 1.787 90.71 1822.50 1.785 90.69 1823.50 1.783 90.66 1824.50 1.780 90.64 1825.50 1.778 90.61 1826.50 1.776 90.59 1827.50 1.774 90.57 1828.50 1.771 90.54 1829.50 1.769 90.52 1830.50 1.766 90.49 1831.50 1.764 90.47 1832.50 1.761 90.44 1833.50 1.758 90.42 1834.50 1.755 90.39 1835.50 1.753 90.37 1836.50 1.750 90.35 1837.50 1.747 90.32 1838.50 1.744 90.30 1839.50 1.740 90.27 1840.50 1.737 90.25 1841.50 1.734 90.22 1842.50 1.731 90.19 1843.50 1.727 90.17 1844.50 1.724 90.14 1845.50 1.720 90.12 1846.50 1.717 90.09 1847.50 1.713 90.07 1848.50 1.709 90.04 1849.50 1.705 90.01 1850.50 1.701 89.99 1851.50 1.697 89.96 1852.50 1.693 89.94 1853.50 1.689 89.91 1854.50 1.685 89.88 1855.50 1.681 89.86 1856.50 1.676 89.83 1857.50 1.672 89.80 1858.50 1.668 89.77 1859.50 1.663 89.75 1860.50 1.658 89.72 1861.50 1.654 89.69 1862.50 1.649 89.66 1863.50 1.644 89.64 1864.50 1.639 89.61 1865.50 1.634 89.58 1866.50 1.629 89.55 1867.50 1.623 89.52 1868.50 1.618 89.49 1869.50 1.613 89.46 1870.50 1.607 89.44 1871.50 1.602 89.41 1872.50 1.596 89.38 1873.50 1.590 89.35 1874.50 1.585 89.32 1875.50 1.579 89.29 1876.50 1.573 89.25 1877.50 1.567 89.22 1878.50 1.560 89.19 1879.50 1.554 89.16 1880.50 1.548 89.13 1881.50 1.541 89.10 1882.50 1.535 89.07 1883.50 1.528 89.03 1884.50 1.521 89.00 1885.50 1.514 88.97 1886.50 1.508 88.93 1887.50 1.500 88.90 1888.50 1.493 88.87 1889.50 1.486 88.83 1890.50 1.479 88.80 1891.50 1.471 88.76 1892.50 1.464 88.73 1893.50 1.456 88.69 1894.50 1.448 88.66 1895.50 1.440 88.62 1896.50 1.432 88.58 1897.50 1.424 88.55 1898.50 1.416 88.51 1899.50 1.408 88.47 1900.50 1.399 88.43 1901.50 1.390 88.39 1902.50 1.382 88.35 1903.50 1.373 88.31 1904.50 1.364 88.27 1905.50 1.355 88.23 1906.50 1.346 88.19 1907.50 1.336 88.15 1908.50 1.327 88.10 1909.50 1.317 88.06 1910.50 1.307 88.02 1911.50 1.297 87.97 1912.50 1.287 87.93 1913.50 1.277 87.88 1914.50 1.267 87.83 1915.50 1.256 87.79 1916.50 1.245 87.74 1917.50 1.235 87.69 1918.50 1.224 87.64 1919.50 1.212 87.59 1920.50 1.201 87.53 1921.50 1.190 87.48 1922.50 1.178 87.43 1923.50 1.166 87.37 1924.50 1.154 87.32 1925.50 1.142 87.26 1926.50 1.129 87.20 1927.50 1.117 87.14 1928.50 1.104 87.08 1929.50 1.091 87.01 1930.50 1.077 86.95 1931.50 1.064 86.88 1932.50 1.050 86.82 1933.50 1.036 86.75 1934.50 1.022 86.67 1935.50 1.007 86.60 1936.50 0.993 86.52 1937.50 0.978 86.45 1938.50 0.963 86.37 1939.50 0.947 86.28 1940.50 0.931 86.20 1941.50 0.915 86.11 1942.50 0.898 86.01 1943.50 0.882 85.92 1944.50 0.865 85.82 1945.50 0.847 85.71 1946.50 0.829 85.61 1947.50 0.811 85.49 1948.50 0.792 85.38 1949.50 0.773 85.25 1950.50 0.753 85.12 1951.50 0.733 84.98 1952.50 0.713 84.84 1953.50 0.692 84.68 1954.50 0.670 84.52 1955.50 0.648 84.35 1956.50 0.625 84.16 1957.50 0.601 83.96 1958.50 0.576 83.74 1959.50 0.551 83.50 1960.50 0.525 83.23 1961.50 0.498 82.94 1962.50 0.469 82.62 1963.50 0.440 82.25 1964.50 0.409 81.83 1965.50 0.377 81.34 1966.50 0.342 80.75 1967.50 0.306 80.02 1968.50 0.267 79.09 1969.50 0.225 77.83 1970.50 0.178 75.94 1971.50 0.127 72.60 1972.50 0.069 64.02 1973.50 0.019 342.00 1974.50 0.063 267.27 1975.50 0.074 252.56 1976.50 0.065 237.07 1977.50 0.055 215.42 1978.50 0.053 188.18 1979.50 0.061 163.67 1980.50 0.076 146.89 1981.50 0.094 136.18 1982.50 0.114 129.09 1983.50 0.135 124.15 1984.50 0.155 120.51 1985.50 0.176 117.73 1986.50 0.196 115.54 1987.50 0.217 113.75 1988.50 0.236 112.27 1989.50 0.256 111.01 1990.50 0.275 109.93 1991.50 0.294 109.00 1992.50 0.313 108.17 1993.50 0.331 107.44 1994.50 0.350 106.78 1995.50 0.367 106.19 1996.50 0.385 105.66 1997.50 0.402 105.17 1998.50 0.420 104.72 1999.50 0.437 104.30 2000.50 0.453 103.92 2001.50 0.470 103.56 2002.50 0.486 103.23 2003.50 0.502 102.92 2004.50 0.518 102.63 2005.50 0.533 102.35 2006.50 0.549 102.09 2007.50 0.564 101.85 2008.50 0.579 101.61 2009.50 0.594 101.39 2010.50 0.608 101.18 2011.50 0.623 100.98 2012.50 0.637 100.79 2013.50 0.651 100.61 2014.50 0.665 100.43 2015.50 0.679 100.26 2016.50 0.693 100.10 2017.50 0.707 99.95 2018.50 0.720 99.80 2019.50 0.733 99.65 2020.50 0.747 99.52 2021.50 0.760 99.38 2022.50 0.772 99.25 2023.50 0.785 99.13 2024.50 0.798 99.01 2025.50 0.810 98.89 2026.50 0.823 98.77 2027.50 0.835 98.66 2028.50 0.847 98.56 2029.50 0.859 98.45 2030.50 0.871 98.35 2031.50 0.883 98.25 2032.50 0.894 98.16 2033.50 0.906 98.06 2034.50 0.917 97.97 2035.50 0.929 97.88 2036.50 0.940 97.79 2037.50 0.951 97.71 2038.50 0.962 97.63 2039.50 0.973 97.54 2040.50 0.984 97.47 2041.50 0.994 97.39 2042.50 1.005 97.31 2043.50 1.015 97.24 2044.50 1.026 97.16 2045.50 1.036 97.09 2046.50 1.046 97.02 2047.50 1.056 96.95 2048.50 1.066 96.89 2049.50 1.076 96.82 2050.50 1.086 96.76 2051.50 1.096 96.69 2052.50 1.106 96.63 2053.50 1.115 96.57 2054.50 1.125 96.51 2055.50 1.134 96.45 2056.50 1.144 96.39 2057.50 1.153 96.33 2058.50 1.162 96.27 2059.50 1.171 96.22 2060.50 1.180 96.16 2061.50 1.189 96.11 2062.50 1.198 96.06 2063.50 1.207 96.00 2064.50 1.215 95.95 2065.50 1.224 95.90 2066.50 1.232 95.85 2067.50 1.241 95.80 2068.50 1.249 95.75 2069.50 1.258 95.70 2070.50 1.266 95.66 2071.50 1.274 95.61 2072.50 1.282 95.56 2073.50 1.290 95.52 2074.50 1.298 95.47 2075.50 1.306 95.43 2076.50 1.314 95.38 2077.50 1.321 95.34 2078.50 1.329 95.29 2079.50 1.337 95.25 2080.50 1.344 95.21 2081.50 1.352 95.17 2082.50 1.359 95.13 2083.50 1.366 95.09 2084.50 1.374 95.05 2085.50 1.381 95.01 2086.50 1.388 94.97 2087.50 1.395 94.93 2088.50 1.402 94.89 2089.50 1.409 94.85 2090.50 1.416 94.81 2091.50 1.422 94.77 2092.50 1.429 94.74 2093.50 1.436 94.70 2094.50 1.442 94.66 2095.50 1.449 94.63 2096.50 1.455 94.59 2097.50 1.462 94.55 2098.50 1.468 94.52 2099.50 1.474 94.48 2100.50 1.481 94.45 2101.50 1.487 94.41 2102.50 1.493 94.38 2103.50 1.499 94.35 2104.50 1.505 94.31 2105.50 1.511 94.28 2106.50 1.517 94.25 2107.50 1.522 94.21 2108.50 1.528 94.18 2109.50 1.534 94.15 2110.50 1.539 94.12 2111.50 1.545 94.08 2112.50 1.550 94.05 2113.50 1.556 94.02 2114.50 1.561 93.99 2115.50 1.566 93.96 2116.50 1.572 93.93 2117.50 1.577 93.90 2118.50 1.582 93.87 2119.50 1.587 93.84 2120.50 1.592 93.81 2121.50 1.597 93.78 2122.50 1.602 93.75 2123.50 1.607 93.72 2124.50 1.612 93.69 2125.50 1.616 93.66 2126.50 1.621 93.63 2127.50 1.626 93.60 2128.50 1.630 93.57 2129.50 1.635 93.54 2130.50 1.639 93.52 2131.50 1.644 93.49 2132.50 1.648 93.46 2133.50 1.652 93.43 2134.50 1.656 93.40 2135.50 1.661 93.38 2136.50 1.665 93.35 2137.50 1.669 93.32 2138.50 1.673 93.29 2139.50 1.677 93.27 2140.50 1.681 93.24 2141.50 1.684 93.21 2142.50 1.688 93.19 2143.50 1.692 93.16 2144.50 1.696 93.13 2145.50 1.699 93.11 2146.50 1.703 93.08 2147.50 1.706 93.05 2148.50 1.710 93.03 2149.50 1.713 93.00 2150.50 1.717 92.98 2151.50 1.720 92.95 2152.50 1.723 92.93 2153.50 1.726 92.90 2154.50 1.730 92.87 2155.50 1.733 92.85 2156.50 1.736 92.82 2157.50 1.739 92.80 2158.50 1.742 92.77 2159.50 1.744 92.75 2160.50 1.747 92.72 2161.50 1.750 92.70 2162.50 1.753 92.67 2163.50 1.755 92.65 2164.50 1.758 92.62 2165.50 1.761 92.60 2166.50 1.763 92.58 2167.50 1.765 92.55 2168.50 1.768 92.53 2169.50 1.770 92.50 2170.50 1.772 92.48 2171.50 1.775 92.45 2172.50 1.777 92.43 2173.50 1.779 92.41 2174.50 1.781 92.38 2175.50 1.783 92.36 2176.50 1.785 92.33 2177.50 1.787 92.31 2178.50 1.789 92.29 2179.50 1.791 92.26 2180.50 1.792 92.24 2181.50 1.794 92.22 2182.50 1.796 92.19 2183.50 1.797 92.17 2184.50 1.799 92.15 2185.50 1.800 92.12 2186.50 1.802 92.10 2187.50 1.803 92.08 2188.50 1.805 92.05 2189.50 1.806 92.03 2190.50 1.807 92.01 2191.50 1.808 91.98 2192.50 1.809 91.96 2193.50 1.810 91.94 2194.50 1.811 91.91 2195.50 1.812 91.89 2196.50 1.813 91.87 2197.50 1.814 91.84 2198.50 1.815 91.82 2199.50 1.816 91.80 2200.50 1.816 91.77 2201.50 1.817 91.75 2202.50 1.817 91.73 2203.50 1.818 91.70 2204.50 1.818 91.68 2205.50 1.819 91.66 2206.50 1.819 91.64 2207.50 1.819 91.61 2208.50 1.820 91.59 2209.50 1.820 91.57 2210.50 1.820 91.54 2211.50 1.820 91.52 2212.50 1.820 91.50 2213.50 1.820 91.48 2214.50 1.820 91.45 2215.50 1.820 91.43 2216.50 1.820 91.41 2217.50 1.819 91.38 2218.50 1.819 91.36 2219.50 1.819 91.34 2220.50 1.818 91.31 2221.50 1.818 91.29 2222.50 1.817 91.27 2223.50 1.817 91.25 2224.50 1.816 91.22 2225.50 1.815 91.20 2226.50 1.814 91.18 2227.50 1.814 91.15 2228.50 1.813 91.13 2229.50 1.812 91.11 2230.50 1.811 91.08 2231.50 1.810 91.06 2232.50 1.809 91.04 2233.50 1.807 91.01 2234.50 1.806 90.99 2235.50 1.805 90.97 2236.50 1.804 90.94
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:10:07 |