| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:58:56 |
| WDS: | STF2384AB | WDS ID/Discoverer |
| P: | 133.500 | Orbital period (years) |
| a: | 0.615 | Semi-major axis (arcseconds) |
| i: | 86.5 | Inclination (degrees) |
| Ω: | 129.2 | Longitude of ascending node (degrees) |
| T: | 1999.500 | Epoch of periastron passage (year) |
| e: | 0.68 | Eccentricity |
| ω: | 343.0 | Longitude of periastron (degrees) |
| Start-Year: | 1959.0 | Year |
| End-Year: | 2091.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 183823.66+670735.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18384+6708 | WDS designation |
| Discoverer Code: | STF2384AB | Discover designation and components |
| ADS number: | 11568 | Aitken Double Star catalog |
| HD number: | 173084 | HD catalog number |
| Hipparcos number: | 91395 | Hipparcos catalog number |
| V1: | 8.31 | Magnitude of the primary |
| V2: | 8.95 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | Date of last observation | |
| Orbit grade: | 3 | 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 0.439 304.5 ------------------------- 1959.0 0.916 309.4 1960.0 0.905 309.4 1961.0 0.895 309.5 1962.0 0.883 309.5 1963.0 0.871 309.6 1964.0 0.858 309.7 1965.0 0.845 309.7 1966.0 0.831 309.8 1967.0 0.816 309.9 1968.0 0.801 309.9 1969.0 0.784 310.0 1970.0 0.767 310.1 1971.0 0.749 310.2 1972.0 0.731 310.2 1973.0 0.711 310.3 1974.0 0.691 310.4 1975.0 0.669 310.5 1976.0 0.647 310.6 1977.0 0.624 310.7 1978.0 0.599 310.9 1979.0 0.574 311.0 1980.0 0.548 311.1 1981.0 0.520 311.3 1982.0 0.491 311.5 1983.0 0.461 311.7 1984.0 0.430 311.9 1985.0 0.397 312.2 1986.0 0.363 312.5 1987.0 0.328 312.9 1988.0 0.290 313.4 1989.0 0.252 314.0 1990.0 0.211 314.8 1991.0 0.169 316.1 1992.0 0.126 318.3 1993.0 0.081 322.7 1994.0 0.037 338.3 1995.0 0.022 82.4 1996.0 0.064 116.2 1997.0 0.107 122.8 1998.0 0.146 125.7 1999.0 0.177 127.4 2000.0 0.196 128.7 2001.0 0.203 129.9 2002.0 0.198 131.0 2003.0 0.183 132.3 2004.0 0.163 133.8 2005.0 0.138 135.8 2006.0 0.110 138.8 2007.0 0.081 144.0 2008.0 0.052 154.8 2009.0 0.029 186.2 2010.0 0.030 250.5 2011.0 0.055 279.2 2012.0 0.084 289.2 2013.0 0.113 294.0 2014.0 0.143 296.8 2015.0 0.173 298.7 2016.0 0.202 300.0 2017.0 0.230 301.0 2018.0 0.258 301.7 2019.0 0.286 302.4 2020.0 0.313 302.9 2021.0 0.339 303.3 2022.0 0.365 303.7 2023.0 0.390 304.0 2024.0 0.415 304.3 2025.0 0.439 304.5 2026.0 0.462 304.7 2027.0 0.485 304.9 2028.0 0.507 305.1 2029.0 0.529 305.3 2030.0 0.550 305.5 2031.0 0.571 305.6 2032.0 0.591 305.7 2033.0 0.611 305.9 2034.0 0.630 306.0 2035.0 0.648 306.1 2036.0 0.667 306.2 2037.0 0.684 306.3 2038.0 0.701 306.4 2039.0 0.718 306.5 2040.0 0.734 306.6 2041.0 0.749 306.7 2042.0 0.764 306.7 2043.0 0.779 306.8 2044.0 0.793 306.9 2045.0 0.807 307.0 2046.0 0.820 307.0 2047.0 0.833 307.1 2048.0 0.845 307.2 2049.0 0.857 307.2 2050.0 0.868 307.3 2051.0 0.879 307.3 2052.0 0.889 307.4 2053.0 0.899 307.5 2054.0 0.909 307.5 2055.0 0.918 307.6 2056.0 0.927 307.6 2057.0 0.935 307.7 2058.0 0.942 307.7 2059.0 0.950 307.8 2060.0 0.956 307.8 2061.0 0.963 307.9 2062.0 0.968 307.9 2063.0 0.974 308.0 2064.0 0.979 308.0 2065.0 0.983 308.1 2066.0 0.987 308.1 2067.0 0.991 308.2 2068.0 0.994 308.2 2069.0 0.997 308.3 2070.0 0.999 308.3 2071.0 1.000 308.3 2072.0 1.002 308.4 2073.0 1.002 308.4 2074.0 1.003 308.5 2075.0 1.003 308.5 2076.0 1.002 308.6 2077.0 1.001 308.6 2078.0 0.999 308.7 2079.0 0.997 308.7 2080.0 0.994 308.8 2081.0 0.991 308.8 2082.0 0.987 308.9 2083.0 0.983 308.9 2084.0 0.978 308.9 2085.0 0.973 309.0 2086.0 0.967 309.0 2087.0 0.961 309.1 2088.0 0.954 309.1 2089.0 0.946 309.2 2090.0 0.938 309.2