| WDS: | STF186 | WDS ID/Discoverer |
| P: | 167.700 | Orbital period (years) |
| a: | 1.048 | Semi-major axis (arcseconds) |
| i: | 74.6 | Inclination (degrees) |
| Ω: | 220.07 | Longitude of ascending node (degrees) |
| T: | 1893.800 | Epoch of periastron passage (year) |
| e: | 0.717 | Eccentricity |
| ω: | 224.3 | Longitude of periastron (degrees) |
| Start-Year: | 1941.15 | Year |
| End-Year: | 2108.85 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for STF186 |
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| Position: | 015553.80+015059.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01559+0151 | WDS designation |
| Discoverer Code: | STF186 | Discover designation and components |
| ADS number: | 1538 | Aitken Double Star catalog |
| HD number: | 11803 | HD catalog number |
| Hipparcos number: | 8998 | Hipparcos catalog number |
| V1: | 6.79 | Magnitude of the primary |
| V2: | 6.84 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 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: | Msn2023 | 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 0.498 263.64 -------------------------- 1941.15 1.429 226.77 1942.15 1.435 226.98 1943.15 1.440 227.19 1944.15 1.445 227.40 1945.15 1.449 227.61 1946.15 1.452 227.82 1947.15 1.455 228.03 1948.15 1.458 228.23 1949.15 1.460 228.44 1950.15 1.461 228.64 1951.15 1.462 228.85 1952.15 1.462 229.05 1953.15 1.462 229.25 1954.15 1.462 229.46 1955.15 1.461 229.66 1956.15 1.460 229.87 1957.15 1.458 230.07 1958.15 1.455 230.28 1959.15 1.453 230.48 1960.15 1.450 230.69 1961.15 1.446 230.90 1962.15 1.442 231.11 1963.15 1.438 231.32 1964.15 1.433 231.53 1965.15 1.427 231.75 1966.15 1.422 231.96 1967.15 1.416 232.18 1968.15 1.409 232.40 1969.15 1.403 232.62 1970.15 1.396 232.84 1971.15 1.388 233.06 1972.15 1.380 233.29 1973.15 1.372 233.52 1974.15 1.363 233.76 1975.15 1.354 233.99 1976.15 1.345 234.23 1977.15 1.335 234.48 1978.15 1.325 234.72 1979.15 1.315 234.97 1980.15 1.304 235.23 1981.15 1.293 235.49 1982.15 1.282 235.75 1983.15 1.270 236.02 1984.15 1.258 236.29 1985.15 1.246 236.57 1986.15 1.233 236.85 1987.15 1.220 237.14 1988.15 1.207 237.44 1989.15 1.193 237.74 1990.15 1.179 238.05 1991.15 1.165 238.37 1992.15 1.150 238.70 1993.15 1.136 239.03 1994.15 1.121 239.37 1995.15 1.105 239.73 1996.15 1.089 240.09 1997.15 1.073 240.46 1998.15 1.057 240.85 1999.15 1.040 241.24 2000.15 1.024 241.65 2001.15 1.006 242.08 2002.15 0.989 242.51 2003.15 0.971 242.97 2004.15 0.953 243.44 2005.15 0.935 243.93 2006.15 0.917 244.44 2007.15 0.898 244.97 2008.15 0.879 245.52 2009.15 0.860 246.10 2010.15 0.840 246.70 2011.15 0.820 247.34 2012.15 0.801 248.00 2013.15 0.780 248.70 2014.15 0.760 249.44 2015.15 0.739 250.21 2016.15 0.719 251.03 2017.15 0.698 251.90 2018.15 0.677 252.83 2019.15 0.656 253.81 2020.15 0.634 254.86 2021.15 0.613 255.98 2022.15 0.591 257.19 2023.15 0.570 258.48 2024.15 0.548 259.88 2025.15 0.527 261.39 2026.15 0.505 263.03 2027.15 0.484 264.82 2028.15 0.463 266.77 2029.15 0.442 268.91 2030.15 0.421 271.25 2031.15 0.401 273.84 2032.15 0.381 276.69 2033.15 0.362 279.85 2034.15 0.344 283.35 2035.15 0.328 287.22 2036.15 0.312 291.50 2037.15 0.298 296.20 2038.15 0.286 301.34 2039.15 0.275 306.89 2040.15 0.268 312.83 2041.15 0.262 319.05 2042.15 0.260 325.46 2043.15 0.260 331.91 2044.15 0.263 338.29 2045.15 0.269 344.45 2046.15 0.277 350.31 2047.15 0.287 355.81 2048.15 0.298 0.92 2049.15 0.310 5.64 2050.15 0.323 9.99 2051.15 0.336 14.00 2052.15 0.348 17.73 2053.15 0.359 21.21 2054.15 0.368 24.51 2055.15 0.373 27.69 2056.15 0.374 30.80 2057.15 0.369 33.96 2058.15 0.355 37.28 2059.15 0.330 41.00 2060.15 0.291 45.51 2061.15 0.240 51.70 2062.15 0.179 61.83 2063.15 0.118 82.83 2064.15 0.090 128.29 2065.15 0.126 170.36 2066.15 0.191 188.81 2067.15 0.260 197.61 2068.15 0.329 202.70 2069.15 0.395 206.06 2070.15 0.457 208.47 2071.15 0.516 210.32 2072.15 0.571 211.80 2073.15 0.624 213.03 2074.15 0.673 214.07 2075.15 0.720 214.97 2076.15 0.764 215.76 2077.15 0.806 216.47 2078.15 0.845 217.11 2079.15 0.883 217.69 2080.15 0.919 218.23 2081.15 0.952 218.73 2082.15 0.985 219.20 2083.15 1.015 219.63 2084.15 1.044 220.04 2085.15 1.072 220.43 2086.15 1.098 220.80 2087.15 1.123 221.16 2088.15 1.147 221.50 2089.15 1.169 221.82 2090.15 1.191 222.14 2091.15 1.211 222.44 2092.15 1.230 222.73 2093.15 1.249 223.02 2094.15 1.266 223.29 2095.15 1.282 223.56 2096.15 1.298 223.82 2097.15 1.313 224.08 2098.15 1.326 224.33 2099.15 1.339 224.58 2100.15 1.352 224.82 2101.15 1.363 225.05 2102.15 1.374 225.29 2103.15 1.384 225.52 2104.15 1.394 225.74 2105.15 1.402 225.97 2106.15 1.410 226.19 2107.15 1.418 226.40 2108.15 1.425 226.62
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:55:30 |