| WDS: | STF2398AB | WDS ID/Discoverer |
| P: | 408.000 | Orbital period (years) |
| a: | 13.88 | Semi-major axis (arcseconds) |
| i: | 66.0 | Inclination (degrees) |
| Ω: | 136.9 | Longitude of ascending node (degrees) |
| T: | 1775.000 | Epoch of periastron passage (year) |
| e: | 0.53 | Eccentricity |
| ω: | 234.6 | Longitude of periastron (degrees) |
| Start-Year: | 1821.0 | Year |
| End-Year: | 2229.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF2398AB |
||
| Position: | 184246.69+593749.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18428+5938 | WDS designation |
| Discoverer Code: | STF2398AB | Discover designation and components |
| ADS number: | 11632 | Aitken Double Star catalog |
| HD number: | 173739 | HD catalog number |
| Hipparcos number: | 91768 | Hipparcos catalog number |
| V1: | 9.11 | Magnitude of the primary |
| V2: | 9.96 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1987 | 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: | Hei1987b | 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 10.420 185.39 -------------------------- 1821.00 10.479 126.99 1822.00 10.671 127.51 1823.00 10.860 128.02 1824.00 11.045 128.51 1825.00 11.227 128.98 1826.00 11.405 129.44 1827.00 11.579 129.88 1828.00 11.749 130.31 1829.00 11.917 130.73 1830.00 12.080 131.14 1831.00 12.240 131.54 1832.00 12.397 131.92 1833.00 12.551 132.30 1834.00 12.701 132.67 1835.00 12.848 133.03 1836.00 12.991 133.38 1837.00 13.132 133.72 1838.00 13.269 134.06 1839.00 13.403 134.39 1840.00 13.534 134.71 1841.00 13.663 135.03 1842.00 13.788 135.34 1843.00 13.910 135.64 1844.00 14.030 135.94 1845.00 14.146 136.24 1846.00 14.260 136.53 1847.00 14.371 136.82 1848.00 14.479 137.10 1849.00 14.585 137.38 1850.00 14.688 137.65 1851.00 14.789 137.92 1852.00 14.886 138.19 1853.00 14.982 138.45 1854.00 15.074 138.71 1855.00 15.165 138.97 1856.00 15.253 139.22 1857.00 15.338 139.47 1858.00 15.421 139.72 1859.00 15.502 139.96 1860.00 15.581 140.21 1861.00 15.657 140.45 1862.00 15.731 140.68 1863.00 15.803 140.92 1864.00 15.872 141.15 1865.00 15.940 141.38 1866.00 16.005 141.61 1867.00 16.068 141.84 1868.00 16.130 142.07 1869.00 16.189 142.29 1870.00 16.246 142.52 1871.00 16.301 142.74 1872.00 16.354 142.96 1873.00 16.405 143.18 1874.00 16.455 143.39 1875.00 16.502 143.61 1876.00 16.547 143.82 1877.00 16.591 144.04 1878.00 16.633 144.25 1879.00 16.673 144.46 1880.00 16.711 144.67 1881.00 16.748 144.88 1882.00 16.782 145.09 1883.00 16.815 145.30 1884.00 16.846 145.50 1885.00 16.876 145.71 1886.00 16.904 145.92 1887.00 16.930 146.12 1888.00 16.955 146.33 1889.00 16.978 146.53 1890.00 16.999 146.73 1891.00 17.019 146.93 1892.00 17.038 147.14 1893.00 17.054 147.34 1894.00 17.070 147.54 1895.00 17.084 147.74 1896.00 17.096 147.94 1897.00 17.107 148.14 1898.00 17.116 148.34 1899.00 17.124 148.54 1900.00 17.130 148.74 1901.00 17.135 148.94 1902.00 17.139 149.14 1903.00 17.141 149.34 1904.00 17.142 149.54 1905.00 17.142 149.74 1906.00 17.140 149.94 1907.00 17.137 150.14 1908.00 17.133 150.34 1909.00 17.127 150.54 1910.00 17.120 150.74 1911.00 17.112 150.94 1912.00 17.102 151.14 1913.00 17.091 151.34 1914.00 17.080 151.54 1915.00 17.066 151.74 1916.00 17.052 151.94 1917.00 17.036 152.15 1918.00 17.020 152.35 1919.00 17.002 152.55 1920.00 16.982 152.75 1921.00 16.962 152.96 1922.00 16.941 153.16 1923.00 16.918 153.37 1924.00 16.895 153.57 1925.00 16.870 153.78 1926.00 16.844 153.98 1927.00 16.817 154.19 1928.00 16.789 154.40 1929.00 16.760 154.61 1930.00 16.730 154.82 1931.00 16.699 155.02 1932.00 16.667 155.24 1933.00 16.634 155.45 1934.00 16.599 155.66 1935.00 16.564 155.87 1936.00 16.528 156.09 1937.00 16.491 156.30 1938.00 16.453 156.52 1939.00 16.414 156.74 1940.00 16.374 156.95 1941.00 16.333 157.17 1942.00 16.291 157.39 1943.00 16.248 157.61 1944.00 16.204 157.84 1945.00 16.160 158.06 1946.00 16.114 158.29 1947.00 16.068 158.51 1948.00 16.021 158.74 1949.00 15.972 158.97 1950.00 15.924 159.20 1951.00 15.874 159.43 1952.00 15.823 159.67 1953.00 15.772 159.90 1954.00 15.719 160.14 1955.00 15.666 160.37 1956.00 15.612 160.61 1957.00 15.558 160.86 1958.00 15.502 161.10 1959.00 15.446 161.34 1960.00 15.389 161.59 1961.00 15.331 161.84 1962.00 15.273 162.09 1963.00 15.214 162.34 1964.00 15.154 162.60 1965.00 15.093 162.85 1966.00 15.032 163.11 1967.00 14.970 163.37 1968.00 14.907 163.63 1969.00 14.843 163.90 1970.00 14.779 164.17 1971.00 14.715 164.44 1972.00 14.649 164.71 1973.00 14.583 164.98 1974.00 14.517 165.26 1975.00 14.449 165.54 1976.00 14.381 165.82 1977.00 14.313 166.11 1978.00 14.244 166.39 1979.00 14.174 166.68 1980.00 14.104 166.98 1981.00 14.033 167.27 1982.00 13.962 167.57 1983.00 13.890 167.88 1984.00 13.818 168.18 1985.00 13.745 168.49 1986.00 13.671 168.80 1987.00 13.597 169.12 1988.00 13.523 169.44 1989.00 13.448 169.76 1990.00 13.373 170.08 1991.00 13.297 170.41 1992.00 13.220 170.75 1993.00 13.144 171.08 1994.00 13.067 171.43 1995.00 12.989 171.77 1996.00 12.911 172.12 1997.00 12.833 172.47 1998.00 12.754 172.83 1999.00 12.675 173.20 2000.00 12.596 173.56 2001.00 12.516 173.94 2002.00 12.436 174.31 2003.00 12.356 174.69 2004.00 12.275 175.08 2005.00 12.194 175.47 2006.00 12.113 175.87 2007.00 12.032 176.27 2008.00 11.950 176.68 2009.00 11.869 177.09 2010.00 11.787 177.51 2011.00 11.704 177.94 2012.00 11.622 178.37 2013.00 11.539 178.80 2014.00 11.457 179.25 2015.00 11.374 179.70 2016.00 11.291 180.15 2017.00 11.208 180.62 2018.00 11.125 181.09 2019.00 11.042 181.56 2020.00 10.959 182.05 2021.00 10.876 182.54 2022.00 10.793 183.04 2023.00 10.710 183.55 2024.00 10.627 184.06 2025.00 10.544 184.59 2026.00 10.462 185.12 2027.00 10.379 185.66 2028.00 10.297 186.21 2029.00 10.215 186.76 2030.00 10.132 187.33 2031.00 10.051 187.91 2032.00 9.969 188.49 2033.00 9.888 189.09 2034.00 9.807 189.69 2035.00 9.726 190.31 2036.00 9.646 190.93 2037.00 9.566 191.57 2038.00 9.487 192.21 2039.00 9.408 192.87 2040.00 9.330 193.54 2041.00 9.252 194.22 2042.00 9.174 194.91 2043.00 9.098 195.61 2044.00 9.022 196.32 2045.00 8.946 197.05 2046.00 8.872 197.79 2047.00 8.798 198.54 2048.00 8.724 199.30 2049.00 8.652 200.08 2050.00 8.581 200.87 2051.00 8.510 201.67 2052.00 8.440 202.49 2053.00 8.372 203.32 2054.00 8.304 204.16 2055.00 8.238 205.02 2056.00 8.172 205.89 2057.00 8.108 206.78 2058.00 8.045 207.67 2059.00 7.983 208.59 2060.00 7.922 209.51 2061.00 7.863 210.46 2062.00 7.805 211.41 2063.00 7.749 212.38 2064.00 7.694 213.36 2065.00 7.641 214.36 2066.00 7.589 215.37 2067.00 7.539 216.40 2068.00 7.490 217.44 2069.00 7.444 218.49 2070.00 7.399 219.55 2071.00 7.355 220.63 2072.00 7.314 221.72 2073.00 7.274 222.82 2074.00 7.237 223.94 2075.00 7.201 225.06 2076.00 7.167 226.20 2077.00 7.136 227.34 2078.00 7.106 228.50 2079.00 7.078 229.66 2080.00 7.053 230.84 2081.00 7.029 232.02 2082.00 7.008 233.21 2083.00 6.989 234.41 2084.00 6.972 235.61 2085.00 6.958 236.82 2086.00 6.945 238.03 2087.00 6.935 239.25 2088.00 6.927 240.47 2089.00 6.921 241.70 2090.00 6.917 242.92 2091.00 6.915 244.15 2092.00 6.916 245.37 2093.00 6.919 246.60 2094.00 6.924 247.82 2095.00 6.931 249.04 2096.00 6.940 250.26 2097.00 6.951 251.48 2098.00 6.964 252.69 2099.00 6.979 253.90 2100.00 6.996 255.10 2101.00 7.015 256.29 2102.00 7.035 257.48 2103.00 7.058 258.66 2104.00 7.082 259.83 2105.00 7.108 261.00 2106.00 7.135 262.16 2107.00 7.164 263.30 2108.00 7.194 264.44 2109.00 7.226 265.57 2110.00 7.259 266.69 2111.00 7.293 267.79 2112.00 7.329 268.89 2113.00 7.365 269.98 2114.00 7.402 271.05 2115.00 7.441 272.12 2116.00 7.480 273.17 2117.00 7.520 274.21 2118.00 7.560 275.24 2119.00 7.601 276.26 2120.00 7.642 277.27 2121.00 7.684 278.27 2122.00 7.726 279.26 2123.00 7.768 280.24 2124.00 7.809 281.20 2125.00 7.851 282.16 2126.00 7.893 283.11 2127.00 7.934 284.04 2128.00 7.975 284.97 2129.00 8.015 285.89 2130.00 8.054 286.79 2131.00 8.093 287.69 2132.00 8.130 288.58 2133.00 8.167 289.47 2134.00 8.202 290.34 2135.00 8.236 291.21 2136.00 8.268 292.07 2137.00 8.298 292.93 2138.00 8.327 293.77 2139.00 8.353 294.62 2140.00 8.378 295.46 2141.00 8.400 296.29 2142.00 8.419 297.12 2143.00 8.436 297.94 2144.00 8.449 298.77 2145.00 8.460 299.59 2146.00 8.467 300.40 2147.00 8.470 301.22 2148.00 8.470 302.04 2149.00 8.466 302.86 2150.00 8.457 303.68 2151.00 8.444 304.50 2152.00 8.426 305.32 2153.00 8.404 306.15 2154.00 8.376 306.98 2155.00 8.342 307.82 2156.00 8.302 308.67 2157.00 8.257 309.52 2158.00 8.205 310.39 2159.00 8.146 311.26 2160.00 8.080 312.15 2161.00 8.008 313.06 2162.00 7.927 313.98 2163.00 7.839 314.93 2164.00 7.743 315.89 2165.00 7.638 316.88 2166.00 7.525 317.90 2167.00 7.403 318.96 2168.00 7.273 320.05 2169.00 7.133 321.18 2170.00 6.984 322.35 2171.00 6.827 323.58 2172.00 6.660 324.87 2173.00 6.484 326.23 2174.00 6.300 327.66 2175.00 6.107 329.19 2176.00 5.906 330.81 2177.00 5.699 332.55 2178.00 5.484 334.43 2179.00 5.264 336.46 2180.00 5.040 338.67 2181.00 4.812 341.09 2182.00 4.583 343.75 2183.00 4.354 346.68 2184.00 4.128 349.95 2185.00 3.908 353.58 2186.00 3.696 357.64 2187.00 3.497 2.18 2188.00 3.315 7.24 2189.00 3.154 12.86 2190.00 3.020 19.03 2191.00 2.917 25.70 2192.00 2.850 32.76 2193.00 2.823 40.07 2194.00 2.837 47.40 2195.00 2.891 54.57 2196.00 2.984 61.38 2197.00 3.110 67.71 2198.00 3.266 73.49 2199.00 3.447 78.70 2200.00 3.648 83.37 2201.00 3.865 87.53 2202.00 4.095 91.24 2203.00 4.335 94.54 2204.00 4.581 97.49 2205.00 4.834 100.14 2206.00 5.089 102.53 2207.00 5.347 104.68 2208.00 5.606 106.64 2209.00 5.865 108.42 2210.00 6.123 110.05 2211.00 6.380 111.55 2212.00 6.635 112.94 2213.00 6.888 114.22 2214.00 7.138 115.41 2215.00 7.386 116.53 2216.00 7.630 117.57 2217.00 7.871 118.54 2218.00 8.109 119.46 2219.00 8.343 120.33 2220.00 8.574 121.15 2221.00 8.801 121.92 2222.00 9.024 122.66 2223.00 9.243 123.37 2224.00 9.459 124.04 2225.00 9.670 124.68 2226.00 9.878 125.29 2227.00 10.082 125.88 2228.00 10.282 126.44
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 17:54:11 |