| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:57:51 |
| WDS: | STT216 | WDS ID/Discoverer |
| P: | 314.930 | Orbital period (years) |
| a: | 1.84 | Semi-major axis (arcseconds) |
| i: | 144.6 | Inclination (degrees) |
| Ω: | 53.3 | Longitude of ascending node (degrees) |
| T: | 1941.240 | Epoch of periastron passage (year) |
| e: | 0.544 | Eccentricity |
| ω: | 42.1 | Longitude of periastron (degrees) |
| Start-Year: | 1868.0 | Year |
| End-Year: | 2182.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 102243.81+152039.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 10227+1521 | WDS designation |
| Discoverer Code: | STT216 | Discover designation and components |
| ADS number: | 7744 | Aitken Double Star catalog |
| HD number: | 89906 | HD catalog number |
| Hipparcos number: | 50829 | Hipparcos catalog number |
| V1: | 7.38 | Magnitude of the primary |
| V2: | 10.28 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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 2.363 226.2 ------------------------- 1868.0 1.821 153.1 1869.0 1.807 152.3 1870.0 1.793 151.5 1871.0 1.779 150.6 1872.0 1.765 149.8 1873.0 1.751 148.9 1874.0 1.737 148.1 1875.0 1.722 147.2 1876.0 1.708 146.3 1877.0 1.694 145.4 1878.0 1.679 144.4 1879.0 1.665 143.5 1880.0 1.650 142.5 1881.0 1.636 141.5 1882.0 1.622 140.5 1883.0 1.607 139.5 1884.0 1.593 138.5 1885.0 1.578 137.4 1886.0 1.564 136.4 1887.0 1.549 135.3 1888.0 1.535 134.2 1889.0 1.521 133.0 1890.0 1.506 131.9 1891.0 1.492 130.7 1892.0 1.477 129.5 1893.0 1.463 128.3 1894.0 1.449 127.0 1895.0 1.434 125.7 1896.0 1.420 124.4 1897.0 1.406 123.1 1898.0 1.392 121.8 1899.0 1.378 120.4 1900.0 1.364 119.0 1901.0 1.350 117.5 1902.0 1.336 116.1 1903.0 1.322 114.6 1904.0 1.308 113.0 1905.0 1.294 111.5 1906.0 1.281 109.9 1907.0 1.267 108.2 1908.0 1.253 106.6 1909.0 1.240 104.9 1910.0 1.226 103.1 1911.0 1.213 101.4 1912.0 1.199 99.5 1913.0 1.186 97.7 1914.0 1.173 95.8 1915.0 1.159 93.8 1916.0 1.146 91.8 1917.0 1.132 89.8 1918.0 1.119 87.7 1919.0 1.105 85.6 1920.0 1.092 83.4 1921.0 1.078 81.1 1922.0 1.064 78.8 1923.0 1.050 76.4 1924.0 1.036 74.0 1925.0 1.022 71.5 1926.0 1.007 68.9 1927.0 0.992 66.3 1928.0 0.977 63.6 1929.0 0.962 60.7 1930.0 0.947 57.8 1931.0 0.931 54.8 1932.0 0.915 51.7 1933.0 0.899 48.5 1934.0 0.883 45.2 1935.0 0.866 41.7 1936.0 0.850 38.1 1937.0 0.834 34.4 1938.0 0.819 30.5 1939.0 0.804 26.5 1940.0 0.789 22.3 1941.0 0.776 18.0 1942.0 0.764 13.5 1943.0 0.754 8.9 1944.0 0.746 4.2 1945.0 0.739 359.4 1946.0 0.735 354.5 1947.0 0.734 349.6 1948.0 0.735 344.7 1949.0 0.739 339.8 1950.0 0.745 335.0 1951.0 0.754 330.3 1952.0 0.766 325.7 1953.0 0.781 321.3 1954.0 0.797 317.0 1955.0 0.816 313.0 1956.0 0.836 309.1 1957.0 0.858 305.4 1958.0 0.882 301.9 1959.0 0.907 298.6 1960.0 0.933 295.5 1961.0 0.960 292.5 1962.0 0.988 289.7 1963.0 1.016 287.1 1964.0 1.045 284.6 1965.0 1.074 282.2 1966.0 1.103 280.0 1967.0 1.132 277.9 1968.0 1.162 275.9 1969.0 1.192 274.0 1970.0 1.221 272.1 1971.0 1.250 270.4 1972.0 1.280 268.7 1973.0 1.309 267.2 1974.0 1.338 265.7 1975.0 1.366 264.2 1976.0 1.395 262.8 1977.0 1.423 261.5 1978.0 1.451 260.2 1979.0 1.478 259.0 1980.0 1.505 257.8 1981.0 1.532 256.6 1982.0 1.559 255.5 1983.0 1.585 254.5 1984.0 1.611 253.4 1985.0 1.636 252.4 1986.0 1.661 251.4 1987.0 1.686 250.5 1988.0 1.710 249.6 1989.0 1.734 248.7 1990.0 1.758 247.8 1991.0 1.781 247.0 1992.0 1.803 246.1 1993.0 1.826 245.3 1994.0 1.848 244.6 1995.0 1.870 243.8 1996.0 1.891 243.0 1997.0 1.912 242.3 1998.0 1.933 241.6 1999.0 1.953 240.9 2000.0 1.973 240.2 2001.0 1.992 239.5 2002.0 2.011 238.9 2003.0 2.030 238.2 2004.0 2.049 237.6 2005.0 2.067 237.0 2006.0 2.085 236.3 2007.0 2.102 235.7 2008.0 2.119 235.1 2009.0 2.136 234.6 2010.0 2.153 234.0 2011.0 2.169 233.4 2012.0 2.185 232.9 2013.0 2.200 232.3 2014.0 2.216 231.8 2015.0 2.230 231.2 2016.0 2.245 230.7 2017.0 2.259 230.2 2018.0 2.273 229.7 2019.0 2.287 229.2 2020.0 2.301 228.7 2021.0 2.314 228.2 2022.0 2.327 227.7 2023.0 2.339 227.2 2024.0 2.351 226.7 2025.0 2.363 226.2 2026.0 2.375 225.7 2027.0 2.387 225.3 2028.0 2.398 224.8 2029.0 2.409 224.4 2030.0 2.419 223.9 2031.0 2.430 223.5 2032.0 2.440 223.0 2033.0 2.450 222.6 2034.0 2.459 222.1 2035.0 2.469 221.7 2036.0 2.478 221.3 2037.0 2.487 220.8 2038.0 2.495 220.4 2039.0 2.504 220.0 2040.0 2.512 219.6 2041.0 2.520 219.1 2042.0 2.527 218.7 2043.0 2.535 218.3 2044.0 2.542 217.9 2045.0 2.549 217.5 2046.0 2.555 217.1 2047.0 2.562 216.7 2048.0 2.568 216.3 2049.0 2.574 215.9 2050.0 2.580 215.5 2051.0 2.585 215.1 2052.0 2.591 214.7 2053.0 2.596 214.3 2054.0 2.601 213.9 2055.0 2.605 213.5 2056.0 2.610 213.1 2057.0 2.614 212.7 2058.0 2.618 212.3 2059.0 2.622 212.0 2060.0 2.625 211.6 2061.0 2.629 211.2 2062.0 2.632 210.8 2063.0 2.635 210.4 2064.0 2.638 210.0 2065.0 2.640 209.7 2066.0 2.643 209.3 2067.0 2.645 208.9 2068.0 2.647 208.5 2069.0 2.649 208.2 2070.0 2.650 207.8 2071.0 2.652 207.4 2072.0 2.653 207.0 2073.0 2.654 206.6 2074.0 2.655 206.3 2075.0 2.655 205.9 2076.0 2.656 205.5 2077.0 2.656 205.1 2078.0 2.656 204.8 2079.0 2.656 204.4 2080.0 2.656 204.0 2081.0 2.655 203.6 2082.0 2.655 203.3 2083.0 2.654 202.9 2084.0 2.653 202.5 2085.0 2.652 202.1 2086.0 2.650 201.8 2087.0 2.649 201.4 2088.0 2.647 201.0 2089.0 2.645 200.6 2090.0 2.643 200.3 2091.0 2.641 199.9 2092.0 2.638 199.5 2093.0 2.636 199.1 2094.0 2.633 198.7 2095.0 2.630 198.4 2096.0 2.627 198.0 2097.0 2.624 197.6 2098.0 2.620 197.2 2099.0 2.617 196.8 2100.0 2.613 196.4 2101.0 2.609 196.0 2102.0 2.605 195.6 2103.0 2.601 195.3 2104.0 2.597 194.9 2105.0 2.592 194.5 2106.0 2.587 194.1 2107.0 2.582 193.7 2108.0 2.577 193.3 2109.0 2.572 192.9 2110.0 2.567 192.5 2111.0 2.561 192.1 2112.0 2.556 191.7 2113.0 2.550 191.3 2114.0 2.544 190.9 2115.0 2.538 190.5 2116.0 2.532 190.0 2117.0 2.525 189.6 2118.0 2.519 189.2 2119.0 2.512 188.8 2120.0 2.505 188.4 2121.0 2.498 187.9 2122.0 2.491 187.5 2123.0 2.484 187.1 2124.0 2.476 186.7 2125.0 2.469 186.2 2126.0 2.461 185.8 2127.0 2.453 185.4 2128.0 2.445 184.9 2129.0 2.437 184.5 2130.0 2.429 184.0 2131.0 2.420 183.6 2132.0 2.412 183.1 2133.0 2.403 182.7 2134.0 2.394 182.2 2135.0 2.385 181.7 2136.0 2.376 181.3 2137.0 2.367 180.8 2138.0 2.358 180.3 2139.0 2.348 179.9 2140.0 2.339 179.4 2141.0 2.329 178.9 2142.0 2.319 178.4 2143.0 2.309 177.9 2144.0 2.299 177.4 2145.0 2.289 176.9 2146.0 2.278 176.4 2147.0 2.268 175.9 2148.0 2.257 175.4 2149.0 2.247 174.8 2150.0 2.236 174.3 2151.0 2.225 173.8 2152.0 2.214 173.2 2153.0 2.202 172.7 2154.0 2.191 172.2 2155.0 2.180 171.6 2156.0 2.168 171.0 2157.0 2.156 170.5 2158.0 2.145 169.9 2159.0 2.133 169.3 2160.0 2.121 168.7 2161.0 2.109 168.1 2162.0 2.097 167.5 2163.0 2.084 166.9 2164.0 2.072 166.3 2165.0 2.059 165.7 2166.0 2.047 165.1 2167.0 2.034 164.4 2168.0 2.021 163.8 2169.0 2.009 163.1 2170.0 1.996 162.5 2171.0 1.983 161.8 2172.0 1.970 161.1 2173.0 1.956 160.5 2174.0 1.943 159.8 2175.0 1.930 159.0 2176.0 1.916 158.3 2177.0 1.903 157.6 2178.0 1.889 156.9 2179.0 1.875 156.1 2180.0 1.862 155.4 2181.0 1.848 154.6