| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:10:29 |
| WDS: | STF2606AB | WDS ID/Discoverer |
| P: | 455.000 | Orbital period (years) |
| a: | 1.081 | Semi-major axis (arcseconds) |
| i: | 82.4 | Inclination (degrees) |
| Ω: | 127.4 | Longitude of ascending node (degrees) |
| T: | 1745.700 | Epoch of periastron passage (year) |
| e: | 0.69 | Eccentricity |
| ω: | 240.5 | Longitude of periastron (degrees) |
| Start-Year: | 1798.0 | Year |
| End-Year: | 2252.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 195832.66+331638.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19585+3317 | WDS designation |
| Discoverer Code: | STF2606AB | Discover designation and components |
| ADS number: | 13196 | Aitken Double Star catalog |
| HD number: | 189378 | HD catalog number |
| Hipparcos number: | 98315 | Hipparcos catalog number |
| V1: | 7.74 | Magnitude of the primary |
| V2: | 8.43 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | Date of last observation |
| Orbit grade: | 4 | 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 0.610 148.6 ------------------------- 1798.0 0.950 128.3 1799.0 0.959 128.4 1800.0 0.969 128.5 1801.0 0.978 128.6 1802.0 0.988 128.7 1803.0 0.997 128.8 1804.0 1.005 128.8 1805.0 1.014 128.9 1806.0 1.022 129.0 1807.0 1.030 129.1 1808.0 1.038 129.2 1809.0 1.045 129.3 1810.0 1.053 129.3 1811.0 1.060 129.4 1812.0 1.067 129.5 1813.0 1.074 129.6 1814.0 1.080 129.7 1815.0 1.087 129.7 1816.0 1.093 129.8 1817.0 1.099 129.9 1818.0 1.105 130.0 1819.0 1.111 130.0 1820.0 1.117 130.1 1821.0 1.122 130.2 1822.0 1.127 130.2 1823.0 1.132 130.3 1824.0 1.137 130.4 1825.0 1.142 130.4 1826.0 1.147 130.5 1827.0 1.152 130.6 1828.0 1.156 130.6 1829.0 1.160 130.7 1830.0 1.164 130.8 1831.0 1.168 130.8 1832.0 1.172 130.9 1833.0 1.176 131.0 1834.0 1.180 131.0 1835.0 1.183 131.1 1836.0 1.186 131.2 1837.0 1.190 131.2 1838.0 1.193 131.3 1839.0 1.196 131.4 1840.0 1.199 131.4 1841.0 1.201 131.5 1842.0 1.204 131.5 1843.0 1.207 131.6 1844.0 1.209 131.7 1845.0 1.211 131.7 1846.0 1.213 131.8 1847.0 1.216 131.8 1848.0 1.218 131.9 1849.0 1.219 132.0 1850.0 1.221 132.0 1851.0 1.223 132.1 1852.0 1.225 132.1 1853.0 1.226 132.2 1854.0 1.227 132.3 1855.0 1.229 132.3 1856.0 1.230 132.4 1857.0 1.231 132.4 1858.0 1.232 132.5 1859.0 1.233 132.5 1860.0 1.234 132.6 1861.0 1.235 132.7 1862.0 1.235 132.7 1863.0 1.236 132.8 1864.0 1.237 132.8 1865.0 1.237 132.9 1866.0 1.237 132.9 1867.0 1.238 133.0 1868.0 1.238 133.1 1869.0 1.238 133.1 1870.0 1.238 133.2 1871.0 1.238 133.2 1872.0 1.238 133.3 1873.0 1.237 133.4 1874.0 1.237 133.4 1875.0 1.237 133.5 1876.0 1.236 133.5 1877.0 1.236 133.6 1878.0 1.235 133.6 1879.0 1.234 133.7 1880.0 1.234 133.8 1881.0 1.233 133.8 1882.0 1.232 133.9 1883.0 1.231 133.9 1884.0 1.230 134.0 1885.0 1.229 134.1 1886.0 1.228 134.1 1887.0 1.227 134.2 1888.0 1.225 134.2 1889.0 1.224 134.3 1890.0 1.223 134.3 1891.0 1.221 134.4 1892.0 1.220 134.5 1893.0 1.218 134.5 1894.0 1.216 134.6 1895.0 1.215 134.6 1896.0 1.213 134.7 1897.0 1.211 134.8 1898.0 1.209 134.8 1899.0 1.207 134.9 1900.0 1.205 134.9 1901.0 1.203 135.0 1902.0 1.201 135.1 1903.0 1.199 135.1 1904.0 1.196 135.2 1905.0 1.194 135.3 1906.0 1.192 135.3 1907.0 1.189 135.4 1908.0 1.187 135.4 1909.0 1.184 135.5 1910.0 1.182 135.6 1911.0 1.179 135.6 1912.0 1.176 135.7 1913.0 1.174 135.8 1914.0 1.171 135.8 1915.0 1.168 135.9 1916.0 1.165 136.0 1917.0 1.162 136.0 1918.0 1.159 136.1 1919.0 1.156 136.2 1920.0 1.153 136.2 1921.0 1.150 136.3 1922.0 1.146 136.4 1923.0 1.143 136.4 1924.0 1.140 136.5 1925.0 1.136 136.6 1926.0 1.133 136.6 1927.0 1.130 136.7 1928.0 1.126 136.8 1929.0 1.123 136.8 1930.0 1.119 136.9 1931.0 1.115 137.0 1932.0 1.112 137.0 1933.0 1.108 137.1 1934.0 1.104 137.2 1935.0 1.100 137.3 1936.0 1.096 137.3 1937.0 1.093 137.4 1938.0 1.089 137.5 1939.0 1.085 137.6 1940.0 1.081 137.6 1941.0 1.076 137.7 1942.0 1.072 137.8 1943.0 1.068 137.9 1944.0 1.064 137.9 1945.0 1.060 138.0 1946.0 1.055 138.1 1947.0 1.051 138.2 1948.0 1.047 138.3 1949.0 1.042 138.3 1950.0 1.038 138.4 1951.0 1.033 138.5 1952.0 1.029 138.6 1953.0 1.024 138.7 1954.0 1.020 138.8 1955.0 1.015 138.8 1956.0 1.010 138.9 1957.0 1.006 139.0 1958.0 1.001 139.1 1959.0 0.996 139.2 1960.0 0.991 139.3 1961.0 0.986 139.4 1962.0 0.981 139.5 1963.0 0.976 139.6 1964.0 0.971 139.7 1965.0 0.966 139.7 1966.0 0.961 139.8 1967.0 0.956 139.9 1968.0 0.951 140.0 1969.0 0.946 140.1 1970.0 0.941 140.2 1971.0 0.935 140.3 1972.0 0.930 140.4 1973.0 0.925 140.5 1974.0 0.920 140.6 1975.0 0.914 140.7 1976.0 0.909 140.9 1977.0 0.903 141.0 1978.0 0.898 141.1 1979.0 0.892 141.2 1980.0 0.887 141.3 1981.0 0.881 141.4 1982.0 0.876 141.5 1983.0 0.870 141.6 1984.0 0.864 141.8 1985.0 0.859 141.9 1986.0 0.853 142.0 1987.0 0.847 142.1 1988.0 0.842 142.2 1989.0 0.836 142.4 1990.0 0.830 142.5 1991.0 0.824 142.6 1992.0 0.818 142.8 1993.0 0.812 142.9 1994.0 0.806 143.0 1995.0 0.800 143.2 1996.0 0.794 143.3 1997.0 0.788 143.4 1998.0 0.782 143.6 1999.0 0.776 143.7 2000.0 0.770 143.9 2001.0 0.764 144.0 2002.0 0.758 144.2 2003.0 0.752 144.3 2004.0 0.745 144.5 2005.0 0.739 144.7 2006.0 0.733 144.8 2007.0 0.727 145.0 2008.0 0.720 145.2 2009.0 0.714 145.3 2010.0 0.708 145.5 2011.0 0.701 145.7 2012.0 0.695 145.9 2013.0 0.688 146.0 2014.0 0.682 146.2 2015.0 0.675 146.4 2016.0 0.669 146.6 2017.0 0.662 146.8 2018.0 0.656 147.0 2019.0 0.649 147.2 2020.0 0.643 147.4 2021.0 0.636 147.7 2022.0 0.630 147.9 2023.0 0.623 148.1 2024.0 0.616 148.3 2025.0 0.610 148.6 2026.0 0.603 148.8 2027.0 0.596 149.1 2028.0 0.590 149.3 2029.0 0.583 149.6 2030.0 0.576 149.8 2031.0 0.569 150.1 2032.0 0.563 150.4 2033.0 0.556 150.7 2034.0 0.549 151.0 2035.0 0.542 151.3 2036.0 0.535 151.6 2037.0 0.529 151.9 2038.0 0.522 152.2 2039.0 0.515 152.5 2040.0 0.508 152.9 2041.0 0.501 153.2 2042.0 0.494 153.6 2043.0 0.488 153.9 2044.0 0.481 154.3 2045.0 0.474 154.7 2046.0 0.467 155.1 2047.0 0.460 155.5 2048.0 0.453 155.9 2049.0 0.446 156.4 2050.0 0.440 156.8 2051.0 0.433 157.3 2052.0 0.426 157.8 2053.0 0.419 158.3 2054.0 0.412 158.8 2055.0 0.405 159.3 2056.0 0.399 159.9 2057.0 0.392 160.4 2058.0 0.385 161.0 2059.0 0.378 161.6 2060.0 0.372 162.2 2061.0 0.365 162.9 2062.0 0.358 163.6 2063.0 0.352 164.3 2064.0 0.345 165.0 2065.0 0.338 165.8 2066.0 0.332 166.6 2067.0 0.325 167.4 2068.0 0.319 168.2 2069.0 0.313 169.1 2070.0 0.306 170.0 2071.0 0.300 171.0 2072.0 0.294 172.0 2073.0 0.288 173.0 2074.0 0.282 174.1 2075.0 0.276 175.3 2076.0 0.270 176.5 2077.0 0.264 177.7 2078.0 0.259 179.0 2079.0 0.253 180.3 2080.0 0.248 181.8 2081.0 0.243 183.2 2082.0 0.238 184.8 2083.0 0.233 186.4 2084.0 0.228 188.0 2085.0 0.223 189.8 2086.0 0.219 191.6 2087.0 0.215 193.4 2088.0 0.211 195.4 2089.0 0.207 197.4 2090.0 0.204 199.5 2091.0 0.201 201.7 2092.0 0.198 203.9 2093.0 0.195 206.2 2094.0 0.193 208.5 2095.0 0.191 210.9 2096.0 0.189 213.4 2097.0 0.188 215.9 2098.0 0.187 218.4 2099.0 0.187 220.9 2100.0 0.186 223.5 2101.0 0.186 226.0 2102.0 0.187 228.6 2103.0 0.188 231.1 2104.0 0.189 233.6 2105.0 0.190 236.1 2106.0 0.192 238.5 2107.0 0.194 240.9 2108.0 0.197 243.2 2109.0 0.199 245.4 2110.0 0.202 247.6 2111.0 0.206 249.8 2112.0 0.209 251.8 2113.0 0.213 253.8 2114.0 0.217 255.7 2115.0 0.221 257.6 2116.0 0.225 259.4 2117.0 0.230 261.1 2118.0 0.235 262.7 2119.0 0.240 264.3 2120.0 0.245 265.8 2121.0 0.250 267.2 2122.0 0.255 268.6 2123.0 0.260 270.0 2124.0 0.266 271.2 2125.0 0.272 272.5 2126.0 0.277 273.6 2127.0 0.283 274.8 2128.0 0.289 275.8 2129.0 0.295 276.9 2130.0 0.301 277.9 2131.0 0.307 278.8 2132.0 0.313 279.8 2133.0 0.319 280.7 2134.0 0.325 281.5 2135.0 0.331 282.3 2136.0 0.337 283.1 2137.0 0.343 283.9 2138.0 0.349 284.6 2139.0 0.355 285.4 2140.0 0.361 286.0 2141.0 0.367 286.7 2142.0 0.373 287.4 2143.0 0.379 288.0 2144.0 0.385 288.6 2145.0 0.390 289.2 2146.0 0.396 289.8 2147.0 0.402 290.3 2148.0 0.408 290.9 2149.0 0.413 291.4 2150.0 0.419 291.9 2151.0 0.424 292.4 2152.0 0.429 292.9 2153.0 0.435 293.4 2154.0 0.440 293.8 2155.0 0.445 294.3 2156.0 0.449 294.7 2157.0 0.454 295.1 2158.0 0.459 295.6 2159.0 0.463 296.0 2160.0 0.467 296.4 2161.0 0.471 296.8 2162.0 0.475 297.2 2163.0 0.479 297.6 2164.0 0.482 298.0 2165.0 0.485 298.3 2166.0 0.488 298.7 2167.0 0.491 299.1 2168.0 0.493 299.5 2169.0 0.495 299.8 2170.0 0.497 300.2 2171.0 0.498 300.5 2172.0 0.499 300.9 2173.0 0.499 301.2 2174.0 0.500 301.6 2175.0 0.499 302.0 2176.0 0.498 302.3 2177.0 0.497 302.7 2178.0 0.495 303.0 2179.0 0.492 303.4 2180.0 0.489 303.8 2181.0 0.485 304.1 2182.0 0.480 304.5 2183.0 0.475 304.9 2184.0 0.468 305.3 2185.0 0.461 305.7 2186.0 0.452 306.1 2187.0 0.442 306.6 2188.0 0.432 307.0 2189.0 0.420 307.5 2190.0 0.406 308.0 2191.0 0.391 308.6 2192.0 0.375 309.2 2193.0 0.357 309.9 2194.0 0.338 310.6 2195.0 0.317 311.4 2196.0 0.294 312.4 2197.0 0.270 313.5 2198.0 0.245 314.8 2199.0 0.218 316.5 2200.0 0.190 318.6 2201.0 0.161 321.5 2202.0 0.131 325.7 2203.0 0.102 332.3 2204.0 0.075 343.9 2205.0 0.054 6.4 2206.0 0.047 44.0 2207.0 0.061 76.2 2208.0 0.086 93.3 2209.0 0.114 102.3 2210.0 0.144 107.7 2211.0 0.174 111.2 2212.0 0.204 113.7 2213.0 0.233 115.6 2214.0 0.262 117.0 2215.0 0.290 118.2 2216.0 0.318 119.2 2217.0 0.344 120.0 2218.0 0.371 120.7 2219.0 0.396 121.3 2220.0 0.421 121.8 2221.0 0.445 122.3 2222.0 0.468 122.7 2223.0 0.491 123.1 2224.0 0.513 123.4 2225.0 0.535 123.7 2226.0 0.556 124.0 2227.0 0.576 124.3 2228.0 0.596 124.6 2229.0 0.615 124.8 2230.0 0.634 125.0 2231.0 0.652 125.3 2232.0 0.670 125.5 2233.0 0.687 125.7 2234.0 0.704 125.8 2235.0 0.720 126.0 2236.0 0.736 126.2 2237.0 0.751 126.3 2238.0 0.766 126.5 2239.0 0.781 126.6 2240.0 0.795 126.8 2241.0 0.809 126.9 2242.0 0.822 127.1 2243.0 0.835 127.2 2244.0 0.848 127.3 2245.0 0.861 127.4 2246.0 0.873 127.5 2247.0 0.885 127.7 2248.0 0.896 127.8 2249.0 0.907 127.9 2250.0 0.918 128.0 2251.0 0.929 128.1