| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:11:20 |
| WDS: | STF2652 | WDS ID/Discoverer |
| P: | 495.000 | Orbital period (years) |
| a: | 0.495 | Semi-major axis (arcseconds) |
| i: | 111.2 | Inclination (degrees) |
| Ω: | 141.3 | Longitude of ascending node (degrees) |
| T: | 2185.000 | Epoch of periastron passage (year) |
| e: | 0.72 | Eccentricity |
| ω: | 85.8 | Longitude of periastron (degrees) |
| Start-Year: | 1778.0 | Year |
| End-Year: | 2272.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 200856.80+620436.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20089+6205 | WDS designation |
| Discoverer Code: | STF2652 | Discover designation and components |
| ADS number: | 13449 | Aitken Double Star catalog |
| HD number: | 191940 | HD catalog number |
| Hipparcos number: | 99257 | Hipparcos catalog number |
| V1: | 7.29 | Magnitude of the primary |
| V2: | 7.78 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2005 | 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 0.316 201.5 ------------------------- 1778.0 0.402 297.4 1779.0 0.402 297.1 1780.0 0.402 296.8 1781.0 0.403 296.5 1782.0 0.403 296.3 1783.0 0.403 296.0 1784.0 0.403 295.7 1785.0 0.403 295.4 1786.0 0.403 295.2 1787.0 0.403 294.9 1788.0 0.403 294.6 1789.0 0.403 294.3 1790.0 0.403 294.1 1791.0 0.403 293.8 1792.0 0.403 293.5 1793.0 0.403 293.2 1794.0 0.403 293.0 1795.0 0.403 292.7 1796.0 0.403 292.4 1797.0 0.403 292.1 1798.0 0.402 291.9 1799.0 0.402 291.6 1800.0 0.402 291.3 1801.0 0.402 291.0 1802.0 0.402 290.8 1803.0 0.401 290.5 1804.0 0.401 290.2 1805.0 0.401 289.9 1806.0 0.400 289.6 1807.0 0.400 289.4 1808.0 0.400 289.1 1809.0 0.399 288.8 1810.0 0.399 288.5 1811.0 0.398 288.2 1812.0 0.398 288.0 1813.0 0.398 287.7 1814.0 0.397 287.4 1815.0 0.397 287.1 1816.0 0.396 286.8 1817.0 0.396 286.5 1818.0 0.395 286.3 1819.0 0.395 286.0 1820.0 0.394 285.7 1821.0 0.394 285.4 1822.0 0.393 285.1 1823.0 0.393 284.8 1824.0 0.392 284.5 1825.0 0.391 284.2 1826.0 0.391 283.9 1827.0 0.390 283.6 1828.0 0.390 283.4 1829.0 0.389 283.1 1830.0 0.388 282.8 1831.0 0.388 282.5 1832.0 0.387 282.2 1833.0 0.387 281.9 1834.0 0.386 281.6 1835.0 0.385 281.3 1836.0 0.385 281.0 1837.0 0.384 280.7 1838.0 0.383 280.4 1839.0 0.382 280.1 1840.0 0.382 279.7 1841.0 0.381 279.4 1842.0 0.380 279.1 1843.0 0.380 278.8 1844.0 0.379 278.5 1845.0 0.378 278.2 1846.0 0.377 277.9 1847.0 0.377 277.6 1848.0 0.376 277.3 1849.0 0.375 276.9 1850.0 0.374 276.6 1851.0 0.374 276.3 1852.0 0.373 276.0 1853.0 0.372 275.7 1854.0 0.371 275.3 1855.0 0.371 275.0 1856.0 0.370 274.7 1857.0 0.369 274.4 1858.0 0.368 274.0 1859.0 0.368 273.7 1860.0 0.367 273.4 1861.0 0.366 273.0 1862.0 0.365 272.7 1863.0 0.364 272.4 1864.0 0.364 272.0 1865.0 0.363 271.7 1866.0 0.362 271.3 1867.0 0.361 271.0 1868.0 0.360 270.7 1869.0 0.360 270.3 1870.0 0.359 270.0 1871.0 0.358 269.6 1872.0 0.357 269.3 1873.0 0.356 268.9 1874.0 0.356 268.6 1875.0 0.355 268.2 1876.0 0.354 267.9 1877.0 0.353 267.5 1878.0 0.352 267.1 1879.0 0.352 266.8 1880.0 0.351 266.4 1881.0 0.350 266.0 1882.0 0.349 265.7 1883.0 0.349 265.3 1884.0 0.348 264.9 1885.0 0.347 264.6 1886.0 0.346 264.2 1887.0 0.345 263.8 1888.0 0.345 263.5 1889.0 0.344 263.1 1890.0 0.343 262.7 1891.0 0.342 262.3 1892.0 0.342 261.9 1893.0 0.341 261.6 1894.0 0.340 261.2 1895.0 0.339 260.8 1896.0 0.339 260.4 1897.0 0.338 260.0 1898.0 0.337 259.6 1899.0 0.336 259.2 1900.0 0.336 258.8 1901.0 0.335 258.4 1902.0 0.334 258.0 1903.0 0.334 257.6 1904.0 0.333 257.2 1905.0 0.332 256.8 1906.0 0.331 256.4 1907.0 0.331 256.0 1908.0 0.330 255.6 1909.0 0.329 255.2 1910.0 0.329 254.8 1911.0 0.328 254.3 1912.0 0.327 253.9 1913.0 0.327 253.5 1914.0 0.326 253.1 1915.0 0.325 252.7 1916.0 0.325 252.2 1917.0 0.324 251.8 1918.0 0.324 251.4 1919.0 0.323 251.0 1920.0 0.322 250.5 1921.0 0.322 250.1 1922.0 0.321 249.7 1923.0 0.321 249.2 1924.0 0.320 248.8 1925.0 0.320 248.4 1926.0 0.319 247.9 1927.0 0.318 247.5 1928.0 0.318 247.0 1929.0 0.317 246.6 1930.0 0.317 246.2 1931.0 0.316 245.7 1932.0 0.316 245.3 1933.0 0.315 244.8 1934.0 0.315 244.4 1935.0 0.314 243.9 1936.0 0.314 243.5 1937.0 0.314 243.0 1938.0 0.313 242.6 1939.0 0.313 242.1 1940.0 0.312 241.6 1941.0 0.312 241.2 1942.0 0.311 240.7 1943.0 0.311 240.3 1944.0 0.311 239.8 1945.0 0.310 239.3 1946.0 0.310 238.9 1947.0 0.310 238.4 1948.0 0.309 237.9 1949.0 0.309 237.5 1950.0 0.309 237.0 1951.0 0.308 236.5 1952.0 0.308 236.1 1953.0 0.308 235.6 1954.0 0.308 235.1 1955.0 0.307 234.6 1956.0 0.307 234.2 1957.0 0.307 233.7 1958.0 0.307 233.2 1959.0 0.306 232.7 1960.0 0.306 232.3 1961.0 0.306 231.8 1962.0 0.306 231.3 1963.0 0.306 230.8 1964.0 0.305 230.3 1965.0 0.305 229.9 1966.0 0.305 229.4 1967.0 0.305 228.9 1968.0 0.305 228.4 1969.0 0.305 227.9 1970.0 0.305 227.5 1971.0 0.305 227.0 1972.0 0.305 226.5 1973.0 0.305 226.0 1974.0 0.305 225.5 1975.0 0.305 225.1 1976.0 0.304 224.6 1977.0 0.304 224.1 1978.0 0.304 223.6 1979.0 0.304 223.1 1980.0 0.305 222.6 1981.0 0.305 222.2 1982.0 0.305 221.7 1983.0 0.305 221.2 1984.0 0.305 220.7 1985.0 0.305 220.2 1986.0 0.305 219.8 1987.0 0.305 219.3 1988.0 0.305 218.8 1989.0 0.305 218.3 1990.0 0.305 217.8 1991.0 0.306 217.4 1992.0 0.306 216.9 1993.0 0.306 216.4 1994.0 0.306 215.9 1995.0 0.306 215.4 1996.0 0.306 215.0 1997.0 0.307 214.5 1998.0 0.307 214.0 1999.0 0.307 213.5 2000.0 0.307 213.1 2001.0 0.308 212.6 2002.0 0.308 212.1 2003.0 0.308 211.6 2004.0 0.308 211.2 2005.0 0.309 210.7 2006.0 0.309 210.2 2007.0 0.309 209.8 2008.0 0.310 209.3 2009.0 0.310 208.8 2010.0 0.310 208.4 2011.0 0.311 207.9 2012.0 0.311 207.4 2013.0 0.311 207.0 2014.0 0.312 206.5 2015.0 0.312 206.1 2016.0 0.313 205.6 2017.0 0.313 205.1 2018.0 0.313 204.7 2019.0 0.314 204.2 2020.0 0.314 203.8 2021.0 0.315 203.3 2022.0 0.315 202.9 2023.0 0.315 202.4 2024.0 0.316 202.0 2025.0 0.316 201.5 2026.0 0.317 201.1 2027.0 0.317 200.6 2028.0 0.318 200.2 2029.0 0.318 199.8 2030.0 0.319 199.3 2031.0 0.319 198.9 2032.0 0.320 198.4 2033.0 0.320 198.0 2034.0 0.321 197.6 2035.0 0.321 197.1 2036.0 0.322 196.7 2037.0 0.322 196.3 2038.0 0.323 195.8 2039.0 0.323 195.4 2040.0 0.324 195.0 2041.0 0.324 194.5 2042.0 0.325 194.1 2043.0 0.325 193.7 2044.0 0.326 193.3 2045.0 0.326 192.9 2046.0 0.327 192.4 2047.0 0.327 192.0 2048.0 0.328 191.6 2049.0 0.328 191.2 2050.0 0.329 190.8 2051.0 0.329 190.4 2052.0 0.330 189.9 2053.0 0.330 189.5 2054.0 0.331 189.1 2055.0 0.331 188.7 2056.0 0.332 188.3 2057.0 0.333 187.9 2058.0 0.333 187.5 2059.0 0.334 187.1 2060.0 0.334 186.7 2061.0 0.335 186.3 2062.0 0.335 185.9 2063.0 0.336 185.5 2064.0 0.336 185.1 2065.0 0.337 184.7 2066.0 0.337 184.3 2067.0 0.338 183.9 2068.0 0.338 183.5 2069.0 0.339 183.1 2070.0 0.339 182.8 2071.0 0.340 182.4 2072.0 0.340 182.0 2073.0 0.340 181.6 2074.0 0.341 181.2 2075.0 0.341 180.8 2076.0 0.342 180.4 2077.0 0.342 180.1 2078.0 0.343 179.7 2079.0 0.343 179.3 2080.0 0.343 178.9 2081.0 0.344 178.5 2082.0 0.344 178.2 2083.0 0.344 177.8 2084.0 0.345 177.4 2085.0 0.345 177.0 2086.0 0.346 176.7 2087.0 0.346 176.3 2088.0 0.346 175.9 2089.0 0.346 175.5 2090.0 0.347 175.2 2091.0 0.347 174.8 2092.0 0.347 174.4 2093.0 0.347 174.0 2094.0 0.348 173.7 2095.0 0.348 173.3 2096.0 0.348 172.9 2097.0 0.348 172.6 2098.0 0.348 172.2 2099.0 0.348 171.8 2100.0 0.348 171.5 2101.0 0.348 171.1 2102.0 0.348 170.7 2103.0 0.348 170.4 2104.0 0.348 170.0 2105.0 0.348 169.6 2106.0 0.348 169.2 2107.0 0.348 168.9 2108.0 0.348 168.5 2109.0 0.348 168.1 2110.0 0.348 167.8 2111.0 0.348 167.4 2112.0 0.347 167.0 2113.0 0.347 166.7 2114.0 0.347 166.3 2115.0 0.346 165.9 2116.0 0.346 165.5 2117.0 0.346 165.2 2118.0 0.345 164.8 2119.0 0.345 164.4 2120.0 0.344 164.0 2121.0 0.343 163.7 2122.0 0.343 163.3 2123.0 0.342 162.9 2124.0 0.341 162.5 2125.0 0.341 162.1 2126.0 0.340 161.7 2127.0 0.339 161.4 2128.0 0.338 161.0 2129.0 0.337 160.6 2130.0 0.336 160.2 2131.0 0.335 159.8 2132.0 0.334 159.4 2133.0 0.332 159.0 2134.0 0.331 158.6 2135.0 0.330 158.2 2136.0 0.328 157.7 2137.0 0.327 157.3 2138.0 0.325 156.9 2139.0 0.323 156.5 2140.0 0.321 156.1 2141.0 0.320 155.6 2142.0 0.318 155.2 2143.0 0.315 154.7 2144.0 0.313 154.3 2145.0 0.311 153.8 2146.0 0.309 153.4 2147.0 0.306 152.9 2148.0 0.303 152.4 2149.0 0.301 151.9 2150.0 0.298 151.4 2151.0 0.295 150.9 2152.0 0.291 150.4 2153.0 0.288 149.8 2154.0 0.284 149.3 2155.0 0.281 148.7 2156.0 0.277 148.2 2157.0 0.273 147.6 2158.0 0.268 147.0 2159.0 0.264 146.3 2160.0 0.259 145.7 2161.0 0.254 145.0 2162.0 0.249 144.3 2163.0 0.243 143.5 2164.0 0.237 142.8 2165.0 0.231 142.0 2166.0 0.225 141.1 2167.0 0.218 140.2 2168.0 0.211 139.2 2169.0 0.204 138.2 2170.0 0.196 137.1 2171.0 0.188 135.8 2172.0 0.179 134.5 2173.0 0.170 133.0 2174.0 0.160 131.4 2175.0 0.150 129.5 2176.0 0.140 127.4 2177.0 0.129 124.9 2178.0 0.118 122.0 2179.0 0.107 118.5 2180.0 0.095 114.1 2181.0 0.084 108.5 2182.0 0.073 101.2 2183.0 0.063 91.5 2184.0 0.056 78.7 2185.0 0.051 62.8 2186.0 0.051 45.2 2187.0 0.054 28.6 2188.0 0.061 15.1 2189.0 0.071 4.8 2190.0 0.082 357.0 2191.0 0.093 351.1 2192.0 0.104 346.5 2193.0 0.116 342.8 2194.0 0.127 339.8 2195.0 0.139 337.3 2196.0 0.149 335.1 2197.0 0.160 333.2 2198.0 0.170 331.6 2199.0 0.180 330.1 2200.0 0.189 328.8 2201.0 0.198 327.6 2202.0 0.206 326.5 2203.0 0.215 325.5 2204.0 0.223 324.6 2205.0 0.230 323.7 2206.0 0.237 322.9 2207.0 0.244 322.1 2208.0 0.251 321.4 2209.0 0.257 320.7 2210.0 0.264 320.0 2211.0 0.269 319.4 2212.0 0.275 318.8 2213.0 0.281 318.2 2214.0 0.286 317.6 2215.0 0.291 317.1 2216.0 0.296 316.6 2217.0 0.300 316.1 2218.0 0.305 315.6 2219.0 0.309 315.1 2220.0 0.313 314.7 2221.0 0.317 314.2 2222.0 0.321 313.8 2223.0 0.325 313.3 2224.0 0.328 312.9 2225.0 0.331 312.5 2226.0 0.335 312.1 2227.0 0.338 311.7 2228.0 0.341 311.3 2229.0 0.344 310.9 2230.0 0.347 310.6 2231.0 0.349 310.2 2232.0 0.352 309.8 2233.0 0.355 309.5 2234.0 0.357 309.1 2235.0 0.359 308.8 2236.0 0.362 308.4 2237.0 0.364 308.1 2238.0 0.366 307.8 2239.0 0.368 307.4 2240.0 0.370 307.1 2241.0 0.372 306.8 2242.0 0.373 306.4 2243.0 0.375 306.1 2244.0 0.377 305.8 2245.0 0.378 305.5 2246.0 0.380 305.2 2247.0 0.381 304.9 2248.0 0.383 304.6 2249.0 0.384 304.3 2250.0 0.385 304.0 2251.0 0.386 303.7 2252.0 0.388 303.4 2253.0 0.389 303.1 2254.0 0.390 302.8 2255.0 0.391 302.5 2256.0 0.392 302.2 2257.0 0.393 301.9 2258.0 0.393 301.6 2259.0 0.394 301.3 2260.0 0.395 301.0 2261.0 0.396 300.7 2262.0 0.397 300.5 2263.0 0.397 300.2 2264.0 0.398 299.9 2265.0 0.398 299.6 2266.0 0.399 299.3 2267.0 0.399 299.0 2268.0 0.400 298.8 2269.0 0.400 298.5 2270.0 0.401 298.2 2271.0 0.401 297.9