| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:32:08 |
| WDS: | STF183AB | WDS ID/Discoverer |
| P: | 332.790 | Orbital period (years) |
| a: | 0.489 | Semi-major axis (arcseconds) |
| i: | 121.3 | Inclination (degrees) |
| Ω: | 170.3 | Longitude of ascending node (degrees) |
| T: | 1966.420 | Epoch of periastron passage (year) |
| e: | 0.523 | Eccentricity |
| ω: | 290.5 | Longitude of periastron (degrees) |
| Start-Year: | 1859.0 | Year |
| End-Year: | 2191.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 015507.39+284752.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01551+2847 | WDS designation |
| Discoverer Code: | STF183AB | Discover designation and components |
| ADS number: | 1522 | Aitken Double Star catalog |
| HD number: | 11671 | HD catalog number |
| Hipparcos number: | 8938 | Hipparcos catalog number |
| V1: | 7.67 | Magnitude of the primary |
| V2: | 10.00 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 1997 | Date of last observation |
| Orbit grade: | 3 | 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 0.361 133.9 ------------------------- 1859.0 0.541 17.3 1860.0 0.542 16.9 1861.0 0.542 16.5 1862.0 0.543 16.2 1863.0 0.543 15.8 1864.0 0.544 15.4 1865.0 0.544 15.0 1866.0 0.544 14.6 1867.0 0.545 14.2 1868.0 0.545 13.8 1869.0 0.545 13.4 1870.0 0.545 13.1 1871.0 0.545 12.7 1872.0 0.545 12.3 1873.0 0.545 11.9 1874.0 0.545 11.5 1875.0 0.545 11.1 1876.0 0.545 10.7 1877.0 0.544 10.4 1878.0 0.544 10.0 1879.0 0.543 9.6 1880.0 0.543 9.2 1881.0 0.542 8.8 1882.0 0.542 8.4 1883.0 0.541 8.0 1884.0 0.540 7.6 1885.0 0.539 7.2 1886.0 0.538 6.8 1887.0 0.537 6.5 1888.0 0.536 6.1 1889.0 0.535 5.7 1890.0 0.533 5.3 1891.0 0.532 4.9 1892.0 0.530 4.4 1893.0 0.529 4.0 1894.0 0.527 3.6 1895.0 0.525 3.2 1896.0 0.524 2.8 1897.0 0.522 2.4 1898.0 0.519 2.0 1899.0 0.517 1.5 1900.0 0.515 1.1 1901.0 0.513 0.7 1902.0 0.510 0.2 1903.0 0.507 359.8 1904.0 0.505 359.3 1905.0 0.502 358.9 1906.0 0.499 358.4 1907.0 0.496 358.0 1908.0 0.493 357.5 1909.0 0.489 357.0 1910.0 0.486 356.5 1911.0 0.482 356.0 1912.0 0.478 355.6 1913.0 0.474 355.0 1914.0 0.470 354.5 1915.0 0.466 354.0 1916.0 0.462 353.5 1917.0 0.457 352.9 1918.0 0.453 352.4 1919.0 0.448 351.8 1920.0 0.443 351.2 1921.0 0.438 350.7 1922.0 0.433 350.0 1923.0 0.427 349.4 1924.0 0.422 348.8 1925.0 0.416 348.1 1926.0 0.410 347.5 1927.0 0.404 346.8 1928.0 0.397 346.1 1929.0 0.391 345.3 1930.0 0.384 344.6 1931.0 0.377 343.8 1932.0 0.370 342.9 1933.0 0.362 342.1 1934.0 0.355 341.2 1935.0 0.347 340.3 1936.0 0.339 339.3 1937.0 0.331 338.3 1938.0 0.322 337.2 1939.0 0.313 336.1 1940.0 0.305 334.9 1941.0 0.296 333.6 1942.0 0.286 332.2 1943.0 0.277 330.8 1944.0 0.267 329.2 1945.0 0.257 327.6 1946.0 0.247 325.8 1947.0 0.237 323.8 1948.0 0.227 321.7 1949.0 0.217 319.4 1950.0 0.207 316.8 1951.0 0.197 314.0 1952.0 0.187 310.9 1953.0 0.177 307.4 1954.0 0.167 303.6 1955.0 0.158 299.2 1956.0 0.150 294.4 1957.0 0.142 289.1 1958.0 0.136 283.1 1959.0 0.131 276.7 1960.0 0.127 269.7 1961.0 0.124 262.4 1962.0 0.124 255.0 1963.0 0.125 247.5 1964.0 0.127 240.3 1965.0 0.132 233.4 1966.0 0.137 227.1 1967.0 0.144 221.3 1968.0 0.151 216.0 1969.0 0.160 211.2 1970.0 0.168 207.0 1971.0 0.177 203.1 1972.0 0.186 199.7 1973.0 0.196 196.5 1974.0 0.205 193.7 1975.0 0.214 191.0 1976.0 0.223 188.6 1977.0 0.231 186.4 1978.0 0.240 184.3 1979.0 0.248 182.4 1980.0 0.255 180.6 1981.0 0.263 178.9 1982.0 0.270 177.3 1983.0 0.277 175.7 1984.0 0.283 174.3 1985.0 0.289 172.9 1986.0 0.295 171.5 1987.0 0.300 170.2 1988.0 0.306 169.0 1989.0 0.310 167.8 1990.0 0.315 166.6 1991.0 0.319 165.5 1992.0 0.323 164.4 1993.0 0.327 163.3 1994.0 0.330 162.2 1995.0 0.334 161.2 1996.0 0.337 160.2 1997.0 0.339 159.2 1998.0 0.342 158.2 1999.0 0.344 157.2 2000.0 0.346 156.2 2001.0 0.348 155.3 2002.0 0.350 154.4 2003.0 0.352 153.4 2004.0 0.353 152.5 2005.0 0.355 151.6 2006.0 0.356 150.7 2007.0 0.357 149.8 2008.0 0.358 148.9 2009.0 0.359 148.0 2010.0 0.359 147.1 2011.0 0.360 146.2 2012.0 0.361 145.3 2013.0 0.361 144.5 2014.0 0.361 143.6 2015.0 0.362 142.7 2016.0 0.362 141.8 2017.0 0.362 141.0 2018.0 0.362 140.1 2019.0 0.362 139.2 2020.0 0.362 138.3 2021.0 0.362 137.4 2022.0 0.361 136.6 2023.0 0.361 135.7 2024.0 0.361 134.8 2025.0 0.361 133.9 2026.0 0.360 133.1 2027.0 0.360 132.2 2028.0 0.360 131.3 2029.0 0.359 130.4 2030.0 0.359 129.5 2031.0 0.358 128.6 2032.0 0.358 127.7 2033.0 0.357 126.8 2034.0 0.357 125.9 2035.0 0.356 125.0 2036.0 0.356 124.1 2037.0 0.355 123.2 2038.0 0.355 122.3 2039.0 0.354 121.4 2040.0 0.354 120.5 2041.0 0.353 119.6 2042.0 0.353 118.7 2043.0 0.353 117.7 2044.0 0.352 116.8 2045.0 0.352 115.9 2046.0 0.351 115.0 2047.0 0.351 114.0 2048.0 0.351 113.1 2049.0 0.350 112.2 2050.0 0.350 111.2 2051.0 0.350 110.3 2052.0 0.350 109.4 2053.0 0.349 108.4 2054.0 0.349 107.5 2055.0 0.349 106.6 2056.0 0.349 105.6 2057.0 0.349 104.7 2058.0 0.349 103.7 2059.0 0.349 102.8 2060.0 0.349 101.8 2061.0 0.349 100.9 2062.0 0.349 100.0 2063.0 0.349 99.0 2064.0 0.350 98.1 2065.0 0.350 97.2 2066.0 0.350 96.2 2067.0 0.350 95.3 2068.0 0.351 94.4 2069.0 0.351 93.4 2070.0 0.352 92.5 2071.0 0.352 91.6 2072.0 0.353 90.7 2073.0 0.353 89.7 2074.0 0.354 88.8 2075.0 0.355 87.9 2076.0 0.355 87.0 2077.0 0.356 86.1 2078.0 0.357 85.2 2079.0 0.358 84.3 2080.0 0.358 83.4 2081.0 0.359 82.5 2082.0 0.360 81.6 2083.0 0.361 80.7 2084.0 0.362 79.9 2085.0 0.363 79.0 2086.0 0.364 78.1 2087.0 0.366 77.3 2088.0 0.367 76.4 2089.0 0.368 75.6 2090.0 0.369 74.7 2091.0 0.371 73.9 2092.0 0.372 73.1 2093.0 0.373 72.2 2094.0 0.375 71.4 2095.0 0.376 70.6 2096.0 0.378 69.8 2097.0 0.379 69.0 2098.0 0.381 68.2 2099.0 0.382 67.4 2100.0 0.384 66.6 2101.0 0.385 65.9 2102.0 0.387 65.1 2103.0 0.389 64.3 2104.0 0.390 63.6 2105.0 0.392 62.8 2106.0 0.394 62.1 2107.0 0.396 61.3 2108.0 0.397 60.6 2109.0 0.399 59.9 2110.0 0.401 59.2 2111.0 0.403 58.5 2112.0 0.405 57.8 2113.0 0.407 57.1 2114.0 0.409 56.4 2115.0 0.411 55.7 2116.0 0.412 55.0 2117.0 0.414 54.4 2118.0 0.416 53.7 2119.0 0.418 53.0 2120.0 0.420 52.4 2121.0 0.422 51.7 2122.0 0.424 51.1 2123.0 0.426 50.5 2124.0 0.428 49.8 2125.0 0.430 49.2 2126.0 0.432 48.6 2127.0 0.435 48.0 2128.0 0.437 47.4 2129.0 0.439 46.8 2130.0 0.441 46.2 2131.0 0.443 45.6 2132.0 0.445 45.0 2133.0 0.447 44.5 2134.0 0.449 43.9 2135.0 0.451 43.3 2136.0 0.453 42.8 2137.0 0.455 42.2 2138.0 0.457 41.6 2139.0 0.459 41.1 2140.0 0.461 40.6 2141.0 0.463 40.0 2142.0 0.465 39.5 2143.0 0.467 39.0 2144.0 0.469 38.4 2145.0 0.471 37.9 2146.0 0.473 37.4 2147.0 0.475 36.9 2148.0 0.477 36.4 2149.0 0.479 35.9 2150.0 0.481 35.4 2151.0 0.483 34.9 2152.0 0.485 34.4 2153.0 0.487 33.9 2154.0 0.489 33.5 2155.0 0.491 33.0 2156.0 0.493 32.5 2157.0 0.494 32.0 2158.0 0.496 31.6 2159.0 0.498 31.1 2160.0 0.500 30.6 2161.0 0.502 30.2 2162.0 0.503 29.7 2163.0 0.505 29.3 2164.0 0.507 28.8 2165.0 0.508 28.4 2166.0 0.510 28.0 2167.0 0.512 27.5 2168.0 0.513 27.1 2169.0 0.515 26.6 2170.0 0.516 26.2 2171.0 0.518 25.8 2172.0 0.519 25.4 2173.0 0.521 24.9 2174.0 0.522 24.5 2175.0 0.523 24.1 2176.0 0.525 23.7 2177.0 0.526 23.3 2178.0 0.527 22.8 2179.0 0.529 22.4 2180.0 0.530 22.0 2181.0 0.531 21.6 2182.0 0.532 21.2 2183.0 0.533 20.8 2184.0 0.534 20.4 2185.0 0.535 20.0 2186.0 0.536 19.6 2187.0 0.537 19.2 2188.0 0.538 18.8 2189.0 0.539 18.4 2190.0 0.540 18.0