| WDS: | STF1781AB | WDS ID/Discoverer |
| P: | 253.705 | Orbital period (years) |
| a: | 1.00383 | Semi-major axis (arcseconds) |
| i: | 44.45 | Inclination (degrees) |
| Ω: | 179.465 | Longitude of ascending node (degrees) |
| T: | 1976.218 | Epoch of periastron passage (year) |
| e: | 0.63185 | Eccentricity |
| ω: | 250.326 | Longitude of periastron (degrees) |
| Start-Year: | 1898.14755 | Year |
| End-Year: | 2151.85245 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF1781AB |
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| Position: | 134606.75+050656.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13461+0507 | WDS designation |
| Discoverer Code: | STF1781AB | Discover designation and components |
| ADS number: | 9019 | Aitken Double Star catalog |
| HD number: | 119931 | HD catalog number |
| Hipparcos number: | 67186 | Hipparcos catalog number |
| V1: | 7.89 | Magnitude of the primary |
| V2: | 8.10 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 2 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Izm2019 | 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 1.100 202.70 -------------------------- 1898.15 1.043 272.38 1899.15 1.038 273.11 1900.15 1.033 273.85 1901.15 1.027 274.59 1902.15 1.022 275.34 1903.15 1.017 276.11 1904.15 1.012 276.87 1905.15 1.006 277.65 1906.15 1.001 278.44 1907.15 0.996 279.23 1908.15 0.990 280.03 1909.15 0.985 280.84 1910.15 0.979 281.66 1911.15 0.974 282.49 1912.15 0.968 283.33 1913.15 0.963 284.18 1914.15 0.957 285.04 1915.15 0.951 285.91 1916.15 0.946 286.79 1917.15 0.940 287.68 1918.15 0.934 288.58 1919.15 0.928 289.49 1920.15 0.922 290.42 1921.15 0.916 291.35 1922.15 0.910 292.30 1923.15 0.904 293.26 1924.15 0.898 294.24 1925.15 0.892 295.22 1926.15 0.886 296.23 1927.15 0.879 297.24 1928.15 0.873 298.27 1929.15 0.866 299.32 1930.15 0.860 300.38 1931.15 0.853 301.46 1932.15 0.847 302.55 1933.15 0.840 303.67 1934.15 0.833 304.80 1935.15 0.826 305.95 1936.15 0.819 307.12 1937.15 0.812 308.30 1938.15 0.805 309.52 1939.15 0.797 310.75 1940.15 0.790 312.01 1941.15 0.782 313.29 1942.15 0.774 314.59 1943.15 0.766 315.93 1944.15 0.758 317.29 1945.15 0.750 318.68 1946.15 0.741 320.10 1947.15 0.732 321.56 1948.15 0.723 323.05 1949.15 0.714 324.58 1950.15 0.705 326.16 1951.15 0.695 327.77 1952.15 0.684 329.44 1953.15 0.674 331.15 1954.15 0.663 332.92 1955.15 0.651 334.75 1956.15 0.640 336.65 1957.15 0.627 338.62 1958.15 0.614 340.68 1959.15 0.601 342.82 1960.15 0.587 345.07 1961.15 0.572 347.42 1962.15 0.556 349.91 1963.15 0.540 352.55 1964.15 0.522 355.36 1965.15 0.504 358.36 1966.15 0.485 1.60 1967.15 0.464 5.12 1968.15 0.443 8.96 1969.15 0.421 13.19 1970.15 0.399 17.90 1971.15 0.376 23.18 1972.15 0.353 29.14 1973.15 0.331 35.93 1974.15 0.310 43.65 1975.15 0.292 52.40 1976.15 0.279 62.14 1977.15 0.270 72.69 1978.15 0.268 83.64 1979.15 0.273 94.49 1980.15 0.284 104.74 1981.15 0.300 114.06 1982.15 0.321 122.29 1983.15 0.344 129.47 1984.15 0.370 135.70 1985.15 0.396 141.10 1986.15 0.424 145.81 1987.15 0.451 149.95 1988.15 0.479 153.61 1989.15 0.506 156.87 1990.15 0.532 159.81 1991.15 0.558 162.47 1992.15 0.583 164.90 1993.15 0.608 167.13 1994.15 0.632 169.19 1995.15 0.655 171.10 1996.15 0.677 172.89 1997.15 0.699 174.56 1998.15 0.720 176.13 1999.15 0.740 177.62 2000.15 0.760 179.02 2001.15 0.779 180.36 2002.15 0.797 181.63 2003.15 0.815 182.85 2004.15 0.832 184.02 2005.15 0.849 185.14 2006.15 0.865 186.22 2007.15 0.880 187.26 2008.15 0.895 188.26 2009.15 0.910 189.23 2010.15 0.924 190.17 2011.15 0.938 191.08 2012.15 0.951 191.97 2013.15 0.964 192.83 2014.15 0.976 193.68 2015.15 0.988 194.50 2016.15 1.000 195.30 2017.15 1.011 196.08 2018.15 1.022 196.84 2019.15 1.033 197.59 2020.15 1.043 198.33 2021.15 1.053 199.05 2022.15 1.062 199.76 2023.15 1.072 200.45 2024.15 1.080 201.14 2025.15 1.089 201.81 2026.15 1.098 202.47 2027.15 1.106 203.12 2028.15 1.114 203.76 2029.15 1.121 204.40 2030.15 1.128 205.02 2031.15 1.136 205.64 2032.15 1.142 206.25 2033.15 1.149 206.85 2034.15 1.155 207.45 2035.15 1.162 208.04 2036.15 1.168 208.62 2037.15 1.173 209.20 2038.15 1.179 209.77 2039.15 1.184 210.34 2040.15 1.189 210.90 2041.15 1.194 211.46 2042.15 1.199 212.01 2043.15 1.203 212.56 2044.15 1.208 213.10 2045.15 1.212 213.64 2046.15 1.216 214.18 2047.15 1.220 214.71 2048.15 1.223 215.24 2049.15 1.227 215.77 2050.15 1.230 216.29 2051.15 1.233 216.81 2052.15 1.236 217.33 2053.15 1.239 217.85 2054.15 1.242 218.36 2055.15 1.244 218.88 2056.15 1.247 219.39 2057.15 1.249 219.89 2058.15 1.251 220.40 2059.15 1.253 220.90 2060.15 1.255 221.41 2061.15 1.257 221.91 2062.15 1.258 222.41 2063.15 1.260 222.91 2064.15 1.261 223.41 2065.15 1.262 223.90 2066.15 1.263 224.40 2067.15 1.264 224.89 2068.15 1.265 225.39 2069.15 1.266 225.88 2070.15 1.267 226.38 2071.15 1.267 226.87 2072.15 1.267 227.36 2073.15 1.268 227.85 2074.15 1.268 228.35 2075.15 1.268 228.84 2076.15 1.268 229.33 2077.15 1.268 229.82 2078.15 1.267 230.32 2079.15 1.267 230.81 2080.15 1.267 231.30 2081.15 1.266 231.80 2082.15 1.265 232.29 2083.15 1.265 232.78 2084.15 1.264 233.28 2085.15 1.263 233.77 2086.15 1.262 234.27 2087.15 1.261 234.77 2088.15 1.259 235.27 2089.15 1.258 235.77 2090.15 1.257 236.27 2091.15 1.255 236.77 2092.15 1.254 237.27 2093.15 1.252 237.77 2094.15 1.250 238.28 2095.15 1.249 238.79 2096.15 1.247 239.30 2097.15 1.245 239.80 2098.15 1.243 240.32 2099.15 1.241 240.83 2100.15 1.238 241.34 2101.15 1.236 241.86 2102.15 1.234 242.38 2103.15 1.231 242.90 2104.15 1.229 243.42 2105.15 1.226 243.95 2106.15 1.224 244.48 2107.15 1.221 245.01 2108.15 1.218 245.54 2109.15 1.215 246.07 2110.15 1.212 246.61 2111.15 1.210 247.15 2112.15 1.206 247.69 2113.15 1.203 248.24 2114.15 1.200 248.78 2115.15 1.197 249.33 2116.15 1.194 249.89 2117.15 1.190 250.44 2118.15 1.187 251.00 2119.15 1.184 251.57 2120.15 1.180 252.13 2121.15 1.177 252.70 2122.15 1.173 253.28 2123.15 1.169 253.85 2124.15 1.165 254.43 2125.15 1.162 255.02 2126.15 1.158 255.61 2127.15 1.154 256.20 2128.15 1.150 256.80 2129.15 1.146 257.40 2130.15 1.142 258.00 2131.15 1.138 258.61 2132.15 1.134 259.22 2133.15 1.130 259.84 2134.15 1.125 260.46 2135.15 1.121 261.09 2136.15 1.117 261.72 2137.15 1.112 262.36 2138.15 1.108 263.00 2139.15 1.103 263.65 2140.15 1.099 264.30 2141.15 1.094 264.96 2142.15 1.090 265.62 2143.15 1.085 266.29 2144.15 1.080 266.97 2145.15 1.076 267.65 2146.15 1.071 268.33 2147.15 1.066 269.03 2148.15 1.061 269.73 2149.15 1.056 270.43 2150.15 1.051 271.15 2151.15 1.046 271.86
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:59:02 |