| WDS: | STT18AB | WDS ID/Discoverer |
| P: | 386.510 | Orbital period (years) |
| a: | 3.296 | Semi-major axis (arcseconds) |
| i: | 75.3 | Inclination (degrees) |
| Ω: | 76.5 | Longitude of ascending node (degrees) |
| T: | 1828.130 | Epoch of periastron passage (year) |
| e: | 0.834 | Eccentricity |
| ω: | 284.3 | Longitude of periastron (degrees) |
| Start-Year: | 1831.745 | Year |
| End-Year: | 2218.255 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STT18AB |
||
| Position: | 004223.21+041000.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00424+0410 | WDS designation |
| Discoverer Code: | STT18AB | Discover designation and components |
| ADS number: | 588 | Aitken Double Star catalog |
| HD number: | 3972 | HD catalog number |
| Hipparcos number: | 3326 | Hipparcos catalog number |
| V1: | 7.86 | Magnitude of the primary |
| V2: | 9.71 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Hrt2001b | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 2.159 213.22 -------------------------- 1831.74 0.658 71.65 1832.74 0.756 74.49 1833.74 0.840 76.71 1834.74 0.912 78.56 1835.74 0.973 80.15 1836.74 1.025 81.57 1837.74 1.071 82.86 1838.74 1.110 84.05 1839.74 1.144 85.17 1840.74 1.174 86.22 1841.74 1.201 87.23 1842.74 1.224 88.19 1843.74 1.244 89.12 1844.74 1.262 90.02 1845.74 1.278 90.90 1846.74 1.291 91.76 1847.74 1.303 92.60 1848.74 1.314 93.43 1849.74 1.323 94.24 1850.74 1.331 95.05 1851.74 1.338 95.84 1852.74 1.344 96.63 1853.74 1.348 97.41 1854.74 1.352 98.19 1855.74 1.356 98.96 1856.74 1.358 99.73 1857.74 1.360 100.50 1858.74 1.362 101.26 1859.74 1.362 102.03 1860.74 1.363 102.79 1861.74 1.363 103.55 1862.74 1.362 104.32 1863.74 1.361 105.08 1864.74 1.360 105.85 1865.74 1.359 106.61 1866.74 1.357 107.38 1867.74 1.355 108.15 1868.74 1.353 108.92 1869.74 1.351 109.70 1870.74 1.348 110.48 1871.74 1.346 111.26 1872.74 1.343 112.04 1873.74 1.340 112.83 1874.74 1.337 113.62 1875.74 1.334 114.41 1876.74 1.331 115.21 1877.74 1.327 116.01 1878.74 1.324 116.82 1879.74 1.321 117.63 1880.74 1.318 118.44 1881.74 1.314 119.26 1882.74 1.311 120.08 1883.74 1.308 120.91 1884.74 1.305 121.74 1885.74 1.302 122.57 1886.74 1.298 123.41 1887.74 1.295 124.26 1888.74 1.292 125.10 1889.74 1.290 125.95 1890.74 1.287 126.81 1891.74 1.284 127.66 1892.74 1.281 128.52 1893.74 1.279 129.39 1894.74 1.277 130.26 1895.74 1.274 131.13 1896.74 1.272 132.00 1897.74 1.270 132.88 1898.74 1.268 133.76 1899.74 1.267 134.64 1900.74 1.265 135.52 1901.74 1.264 136.41 1902.74 1.262 137.30 1903.74 1.261 138.19 1904.74 1.260 139.08 1905.74 1.260 139.97 1906.74 1.259 140.86 1907.74 1.259 141.76 1908.74 1.258 142.65 1909.74 1.258 143.55 1910.74 1.259 144.44 1911.74 1.259 145.33 1912.74 1.259 146.23 1913.74 1.260 147.12 1914.74 1.261 148.01 1915.74 1.262 148.90 1916.74 1.263 149.79 1917.74 1.265 150.68 1918.74 1.267 151.56 1919.74 1.268 152.44 1920.74 1.270 153.32 1921.74 1.273 154.20 1922.74 1.275 155.07 1923.74 1.278 155.94 1924.74 1.281 156.81 1925.74 1.284 157.67 1926.74 1.287 158.53 1927.74 1.290 159.38 1928.74 1.294 160.23 1929.74 1.298 161.07 1930.74 1.302 161.91 1931.74 1.306 162.74 1932.74 1.310 163.57 1933.74 1.315 164.40 1934.74 1.319 165.21 1935.74 1.324 166.02 1936.74 1.329 166.83 1937.74 1.335 167.63 1938.74 1.340 168.42 1939.74 1.346 169.20 1940.74 1.351 169.98 1941.74 1.357 170.76 1942.74 1.363 171.52 1943.74 1.370 172.28 1944.74 1.376 173.03 1945.74 1.382 173.78 1946.74 1.389 174.51 1947.74 1.396 175.25 1948.74 1.403 175.97 1949.74 1.410 176.69 1950.74 1.417 177.39 1951.74 1.425 178.10 1952.74 1.432 178.79 1953.74 1.440 179.48 1954.74 1.447 180.16 1955.74 1.455 180.83 1956.74 1.463 181.50 1957.74 1.471 182.15 1958.74 1.480 182.80 1959.74 1.488 183.45 1960.74 1.496 184.08 1961.74 1.505 184.71 1962.74 1.514 185.33 1963.74 1.522 185.95 1964.74 1.531 186.56 1965.74 1.540 187.16 1966.74 1.549 187.75 1967.74 1.558 188.34 1968.74 1.567 188.92 1969.74 1.577 189.49 1970.74 1.586 190.06 1971.74 1.595 190.62 1972.74 1.605 191.17 1973.74 1.614 191.72 1974.74 1.624 192.26 1975.74 1.634 192.79 1976.74 1.644 193.32 1977.74 1.653 193.84 1978.74 1.663 194.36 1979.74 1.673 194.87 1980.74 1.683 195.37 1981.74 1.693 195.87 1982.74 1.703 196.36 1983.74 1.713 196.84 1984.74 1.723 197.32 1985.74 1.734 197.80 1986.74 1.744 198.27 1987.74 1.754 198.73 1988.74 1.764 199.19 1989.74 1.775 199.64 1990.74 1.785 200.09 1991.74 1.796 200.53 1992.74 1.806 200.97 1993.74 1.816 201.40 1994.74 1.827 201.82 1995.74 1.837 202.25 1996.74 1.848 202.66 1997.74 1.858 203.08 1998.74 1.869 203.48 1999.74 1.879 203.89 2000.74 1.890 204.29 2001.74 1.900 204.68 2002.74 1.911 205.07 2003.74 1.922 205.46 2004.74 1.932 205.84 2005.74 1.943 206.22 2006.74 1.953 206.59 2007.74 1.964 206.96 2008.74 1.974 207.32 2009.74 1.985 207.69 2010.74 1.995 208.04 2011.74 2.006 208.40 2012.74 2.017 208.75 2013.74 2.027 209.09 2014.74 2.038 209.44 2015.74 2.048 209.78 2016.74 2.059 210.11 2017.74 2.069 210.45 2018.74 2.079 210.77 2019.74 2.090 211.10 2020.74 2.100 211.42 2021.74 2.111 211.74 2022.74 2.121 212.06 2023.74 2.131 212.37 2024.74 2.141 212.68 2025.74 2.152 212.99 2026.74 2.162 213.30 2027.74 2.172 213.60 2028.74 2.182 213.90 2029.74 2.192 214.19 2030.74 2.202 214.49 2031.74 2.213 214.78 2032.74 2.223 215.06 2033.74 2.232 215.35 2034.74 2.242 215.63 2035.74 2.252 215.91 2036.74 2.262 216.19 2037.74 2.272 216.47 2038.74 2.282 216.74 2039.74 2.291 217.01 2040.74 2.301 217.28 2041.74 2.311 217.55 2042.74 2.320 217.81 2043.74 2.330 218.07 2044.74 2.339 218.33 2045.74 2.348 218.59 2046.74 2.358 218.85 2047.74 2.367 219.10 2048.74 2.376 219.35 2049.74 2.385 219.60 2050.74 2.395 219.85 2051.74 2.404 220.10 2052.74 2.413 220.34 2053.74 2.421 220.58 2054.74 2.430 220.82 2055.74 2.439 221.06 2056.74 2.448 221.30 2057.74 2.456 221.54 2058.74 2.465 221.77 2059.74 2.473 222.00 2060.74 2.482 222.23 2061.74 2.490 222.46 2062.74 2.498 222.69 2063.74 2.506 222.92 2064.74 2.515 223.14 2065.74 2.523 223.36 2066.74 2.531 223.59 2067.74 2.538 223.81 2068.74 2.546 224.03 2069.74 2.554 224.24 2070.74 2.561 224.46 2071.74 2.569 224.68 2072.74 2.576 224.89 2073.74 2.584 225.10 2074.74 2.591 225.31 2075.74 2.598 225.53 2076.74 2.605 225.73 2077.74 2.612 225.94 2078.74 2.619 226.15 2079.74 2.625 226.36 2080.74 2.632 226.56 2081.74 2.639 226.76 2082.74 2.645 226.97 2083.74 2.651 227.17 2084.74 2.658 227.37 2085.74 2.664 227.57 2086.74 2.670 227.77 2087.74 2.675 227.97 2088.74 2.681 228.17 2089.74 2.687 228.36 2090.74 2.692 228.56 2091.74 2.698 228.75 2092.74 2.703 228.95 2093.74 2.708 229.14 2094.74 2.713 229.33 2095.74 2.718 229.53 2096.74 2.723 229.72 2097.74 2.727 229.91 2098.74 2.732 230.10 2099.74 2.736 230.29 2100.74 2.741 230.48 2101.74 2.745 230.67 2102.74 2.749 230.85 2103.74 2.752 231.04 2104.74 2.756 231.23 2105.74 2.759 231.41 2106.74 2.763 231.60 2107.74 2.766 231.78 2108.74 2.769 231.97 2109.74 2.772 232.15 2110.74 2.775 232.34 2111.74 2.777 232.52 2112.74 2.780 232.71 2113.74 2.782 232.89 2114.74 2.784 233.07 2115.74 2.786 233.25 2116.74 2.787 233.44 2117.74 2.789 233.62 2118.74 2.790 233.80 2119.74 2.791 233.98 2120.74 2.792 234.17 2121.74 2.793 234.35 2122.74 2.793 234.53 2123.74 2.794 234.71 2124.74 2.794 234.89 2125.74 2.794 235.07 2126.74 2.794 235.25 2127.74 2.793 235.44 2128.74 2.792 235.62 2129.74 2.791 235.80 2130.74 2.790 235.98 2131.74 2.789 236.16 2132.74 2.787 236.35 2133.74 2.785 236.53 2134.74 2.783 236.71 2135.74 2.781 236.89 2136.74 2.778 237.08 2137.74 2.775 237.26 2138.74 2.772 237.45 2139.74 2.769 237.63 2140.74 2.765 237.82 2141.74 2.761 238.00 2142.74 2.756 238.19 2143.74 2.752 238.37 2144.74 2.747 238.56 2145.74 2.742 238.75 2146.74 2.736 238.94 2147.74 2.730 239.13 2148.74 2.724 239.32 2149.74 2.718 239.51 2150.74 2.711 239.70 2151.74 2.703 239.90 2152.74 2.696 240.09 2153.74 2.688 240.29 2154.74 2.679 240.48 2155.74 2.671 240.68 2156.74 2.661 240.88 2157.74 2.652 241.08 2158.74 2.642 241.28 2159.74 2.631 241.49 2160.74 2.620 241.69 2161.74 2.609 241.90 2162.74 2.597 242.11 2163.74 2.584 242.32 2164.74 2.571 242.53 2165.74 2.558 242.75 2166.74 2.544 242.97 2167.74 2.529 243.19 2168.74 2.514 243.41 2169.74 2.498 243.63 2170.74 2.482 243.86 2171.74 2.465 244.09 2172.74 2.447 244.33 2173.74 2.428 244.57 2174.74 2.409 244.81 2175.74 2.389 245.06 2176.74 2.368 245.31 2177.74 2.347 245.56 2178.74 2.324 245.82 2179.74 2.301 246.09 2180.74 2.277 246.36 2181.74 2.251 246.63 2182.74 2.225 246.92 2183.74 2.197 247.20 2184.74 2.169 247.50 2185.74 2.139 247.81 2186.74 2.108 248.12 2187.74 2.075 248.45 2188.74 2.042 248.78 2189.74 2.006 249.13 2190.74 1.969 249.48 2191.74 1.930 249.86 2192.74 1.890 250.25 2193.74 1.847 250.65 2194.74 1.802 251.08 2195.74 1.755 251.52 2196.74 1.705 252.00 2197.74 1.653 252.50 2198.74 1.597 253.04 2199.74 1.539 253.61 2200.74 1.476 254.24 2201.74 1.410 254.92 2202.74 1.339 255.67 2203.74 1.263 256.50 2204.74 1.182 257.45 2205.74 1.094 258.55 2206.74 0.999 259.84 2207.74 0.896 261.42 2208.74 0.783 263.43 2209.74 0.661 266.16 2210.74 0.527 270.22 2211.74 0.384 277.19 2212.74 0.241 292.57 2213.74 0.143 337.96 2214.74 0.203 35.47 2215.74 0.340 56.25 2216.74 0.478 64.93 2217.74 0.602 69.83
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:41:57 |