| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:46:15 |
| WDS: | STT50AB | WDS ID/Discoverer |
| P: | 309.000 | Orbital period (years) |
| a: | 1.02 | Semi-major axis (arcseconds) |
| i: | 135.9 | Inclination (degrees) |
| Ω: | 14.3 | Longitude of ascending node (degrees) |
| T: | 2087.000 | Epoch of periastron passage (year) |
| e: | 0.4 | Eccentricity |
| ω: | 5.6 | Longitude of periastron (degrees) |
| Start-Year: | 1871.0 | Year |
| End-Year: | 2179.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 031239.10+713320.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03127+7133 | WDS designation |
| Discoverer Code: | STT50AB | Discover designation and components |
| ADS number: | 2377 | Aitken Double Star catalog |
| HD number: | 19475 | HD catalog number |
| Hipparcos number: | 14944 | Hipparcos catalog number |
| V1: | 8.43 | Magnitude of the primary |
| V2: | 8.46 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | Date of last observation |
| Orbit grade: | 4 | 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 0.809 134.3 ------------------------- 1871.0 1.181 217.4 1872.0 1.190 216.9 1873.0 1.198 216.3 1874.0 1.206 215.8 1875.0 1.214 215.2 1876.0 1.222 214.7 1877.0 1.230 214.1 1878.0 1.237 213.6 1879.0 1.245 213.1 1880.0 1.252 212.6 1881.0 1.259 212.1 1882.0 1.266 211.6 1883.0 1.273 211.1 1884.0 1.280 210.6 1885.0 1.286 210.1 1886.0 1.293 209.6 1887.0 1.299 209.2 1888.0 1.305 208.7 1889.0 1.311 208.2 1890.0 1.317 207.8 1891.0 1.322 207.3 1892.0 1.328 206.9 1893.0 1.333 206.4 1894.0 1.339 206.0 1895.0 1.344 205.5 1896.0 1.349 205.1 1897.0 1.353 204.6 1898.0 1.358 204.2 1899.0 1.362 203.8 1900.0 1.367 203.3 1901.0 1.371 202.9 1902.0 1.375 202.5 1903.0 1.379 202.1 1904.0 1.382 201.7 1905.0 1.386 201.2 1906.0 1.389 200.8 1907.0 1.393 200.4 1908.0 1.396 200.0 1909.0 1.399 199.6 1910.0 1.401 199.2 1911.0 1.404 198.8 1912.0 1.407 198.4 1913.0 1.409 198.0 1914.0 1.411 197.6 1915.0 1.413 197.2 1916.0 1.415 196.8 1917.0 1.417 196.4 1918.0 1.418 196.0 1919.0 1.420 195.6 1920.0 1.421 195.2 1921.0 1.422 194.8 1922.0 1.423 194.4 1923.0 1.424 194.0 1924.0 1.425 193.6 1925.0 1.425 193.2 1926.0 1.426 192.8 1927.0 1.426 192.4 1928.0 1.426 192.0 1929.0 1.426 191.6 1930.0 1.426 191.3 1931.0 1.425 190.9 1932.0 1.425 190.5 1933.0 1.424 190.1 1934.0 1.424 189.7 1935.0 1.423 189.3 1936.0 1.422 188.9 1937.0 1.420 188.5 1938.0 1.419 188.1 1939.0 1.417 187.7 1940.0 1.416 187.3 1941.0 1.414 186.9 1942.0 1.412 186.5 1943.0 1.410 186.1 1944.0 1.408 185.7 1945.0 1.405 185.3 1946.0 1.403 184.9 1947.0 1.400 184.5 1948.0 1.397 184.1 1949.0 1.394 183.7 1950.0 1.391 183.3 1951.0 1.388 182.9 1952.0 1.384 182.4 1953.0 1.381 182.0 1954.0 1.377 181.6 1955.0 1.373 181.2 1956.0 1.369 180.8 1957.0 1.365 180.3 1958.0 1.361 179.9 1959.0 1.357 179.5 1960.0 1.352 179.0 1961.0 1.347 178.6 1962.0 1.343 178.2 1963.0 1.338 177.7 1964.0 1.333 177.3 1965.0 1.327 176.8 1966.0 1.322 176.4 1967.0 1.316 175.9 1968.0 1.311 175.4 1969.0 1.305 175.0 1970.0 1.299 174.5 1971.0 1.293 174.0 1972.0 1.287 173.5 1973.0 1.281 173.1 1974.0 1.274 172.6 1975.0 1.267 172.1 1976.0 1.261 171.6 1977.0 1.254 171.1 1978.0 1.247 170.6 1979.0 1.240 170.0 1980.0 1.233 169.5 1981.0 1.225 169.0 1982.0 1.218 168.5 1983.0 1.210 167.9 1984.0 1.202 167.4 1985.0 1.195 166.8 1986.0 1.187 166.3 1987.0 1.179 165.7 1988.0 1.170 165.1 1989.0 1.162 164.5 1990.0 1.154 163.9 1991.0 1.145 163.3 1992.0 1.136 162.7 1993.0 1.128 162.1 1994.0 1.119 161.4 1995.0 1.110 160.8 1996.0 1.101 160.2 1997.0 1.092 159.5 1998.0 1.082 158.8 1999.0 1.073 158.1 2000.0 1.063 157.4 2001.0 1.054 156.7 2002.0 1.044 156.0 2003.0 1.035 155.3 2004.0 1.025 154.5 2005.0 1.015 153.7 2006.0 1.005 153.0 2007.0 0.995 152.2 2008.0 0.985 151.3 2009.0 0.975 150.5 2010.0 0.964 149.7 2011.0 0.954 148.8 2012.0 0.944 147.9 2013.0 0.934 147.0 2014.0 0.923 146.1 2015.0 0.913 145.1 2016.0 0.902 144.2 2017.0 0.892 143.2 2018.0 0.882 142.2 2019.0 0.871 141.1 2020.0 0.861 140.1 2021.0 0.850 139.0 2022.0 0.840 137.8 2023.0 0.830 136.7 2024.0 0.819 135.5 2025.0 0.809 134.3 2026.0 0.799 133.1 2027.0 0.789 131.8 2028.0 0.779 130.5 2029.0 0.769 129.2 2030.0 0.759 127.8 2031.0 0.749 126.4 2032.0 0.740 125.0 2033.0 0.730 123.5 2034.0 0.721 122.0 2035.0 0.712 120.4 2036.0 0.703 118.8 2037.0 0.694 117.2 2038.0 0.686 115.5 2039.0 0.678 113.8 2040.0 0.670 112.1 2041.0 0.662 110.3 2042.0 0.655 108.4 2043.0 0.648 106.5 2044.0 0.641 104.6 2045.0 0.635 102.7 2046.0 0.629 100.7 2047.0 0.623 98.6 2048.0 0.618 96.6 2049.0 0.613 94.5 2050.0 0.609 92.3 2051.0 0.605 90.2 2052.0 0.601 88.0 2053.0 0.598 85.7 2054.0 0.595 83.5 2055.0 0.593 81.2 2056.0 0.591 79.0 2057.0 0.589 76.7 2058.0 0.588 74.4 2059.0 0.587 72.0 2060.0 0.587 69.7 2061.0 0.587 67.4 2062.0 0.587 65.1 2063.0 0.587 62.8 2064.0 0.588 60.5 2065.0 0.589 58.2 2066.0 0.591 55.9 2067.0 0.592 53.6 2068.0 0.594 51.3 2069.0 0.596 49.1 2070.0 0.597 46.8 2071.0 0.599 44.6 2072.0 0.601 42.4 2073.0 0.603 40.2 2074.0 0.605 38.0 2075.0 0.607 35.8 2076.0 0.609 33.7 2077.0 0.610 31.5 2078.0 0.611 29.4 2079.0 0.612 27.2 2080.0 0.613 25.1 2081.0 0.614 23.0 2082.0 0.614 20.9 2083.0 0.614 18.8 2084.0 0.614 16.7 2085.0 0.613 14.5 2086.0 0.612 12.4 2087.0 0.611 10.3 2088.0 0.609 8.1 2089.0 0.607 6.0 2090.0 0.605 3.8 2091.0 0.602 1.6 2092.0 0.599 359.4 2093.0 0.596 357.2 2094.0 0.593 354.9 2095.0 0.590 352.6 2096.0 0.587 350.3 2097.0 0.583 348.0 2098.0 0.580 345.6 2099.0 0.576 343.2 2100.0 0.573 340.8 2101.0 0.569 338.4 2102.0 0.566 335.9 2103.0 0.563 333.4 2104.0 0.561 330.9 2105.0 0.558 328.3 2106.0 0.556 325.8 2107.0 0.555 323.2 2108.0 0.553 320.6 2109.0 0.553 318.0 2110.0 0.552 315.4 2111.0 0.552 312.7 2112.0 0.553 310.1 2113.0 0.554 307.5 2114.0 0.556 304.9 2115.0 0.558 302.4 2116.0 0.561 299.8 2117.0 0.564 297.3 2118.0 0.568 294.8 2119.0 0.573 292.4 2120.0 0.578 289.9 2121.0 0.583 287.6 2122.0 0.589 285.3 2123.0 0.596 283.0 2124.0 0.603 280.8 2125.0 0.610 278.6 2126.0 0.618 276.5 2127.0 0.626 274.4 2128.0 0.635 272.4 2129.0 0.644 270.5 2130.0 0.653 268.6 2131.0 0.663 266.7 2132.0 0.672 264.9 2133.0 0.682 263.2 2134.0 0.693 261.5 2135.0 0.703 259.9 2136.0 0.714 258.3 2137.0 0.725 256.7 2138.0 0.736 255.2 2139.0 0.747 253.8 2140.0 0.758 252.4 2141.0 0.769 251.0 2142.0 0.781 249.7 2143.0 0.792 248.4 2144.0 0.803 247.1 2145.0 0.815 245.9 2146.0 0.827 244.7 2147.0 0.838 243.6 2148.0 0.850 242.5 2149.0 0.861 241.4 2150.0 0.873 240.3 2151.0 0.884 239.3 2152.0 0.896 238.3 2153.0 0.907 237.3 2154.0 0.919 236.3 2155.0 0.930 235.4 2156.0 0.941 234.5 2157.0 0.952 233.6 2158.0 0.963 232.7 2159.0 0.974 231.9 2160.0 0.985 231.0 2161.0 0.996 230.2 2162.0 1.007 229.4 2163.0 1.018 228.7 2164.0 1.028 227.9 2165.0 1.039 227.2 2166.0 1.049 226.4 2167.0 1.059 225.7 2168.0 1.069 225.0 2169.0 1.079 224.3 2170.0 1.089 223.6 2171.0 1.099 223.0 2172.0 1.109 222.3 2173.0 1.118 221.7 2174.0 1.128 221.0 2175.0 1.137 220.4 2176.0 1.146 219.8 2177.0 1.155 219.2 2178.0 1.164 218.6