| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:34:40 |
| WDS: | STF234AB | WDS ID/Discoverer |
| P: | 139.868 | Orbital period (years) |
| a: | 0.51 | Semi-major axis (arcseconds) |
| i: | 123.5 | Inclination (degrees) |
| Ω: | 54.8 | Longitude of ascending node (degrees) |
| T: | 1909.214 | Epoch of periastron passage (year) |
| e: | 0.718 | Eccentricity |
| ω: | 353.9 | Longitude of periastron (degrees) |
| Start-Year: | 1956.0 | Year |
| End-Year: | 2094.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 021723.00+612106.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02174+6121 | WDS designation |
| Discoverer Code: | STF234AB | Discover designation and components |
| ADS number: | 1737 | Aitken Double Star catalog |
| HD number: | 13864 | HD catalog number |
| Hipparcos number: | 10677 | Hipparcos catalog number |
| V1: | 8.74 | Magnitude of the primary |
| V2: | 9.40 | Magnitude of the secondary |
| Equinox: | 1900 | Equinox |
| Date: | 1978 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.533 217.1 ------------------------- 1956.0 0.771 246.7 1957.0 0.779 246.3 1958.0 0.787 245.9 1959.0 0.794 245.5 1960.0 0.801 245.1 1961.0 0.808 244.7 1962.0 0.814 244.3 1963.0 0.820 243.9 1964.0 0.826 243.5 1965.0 0.831 243.1 1966.0 0.836 242.8 1967.0 0.841 242.4 1968.0 0.845 242.0 1969.0 0.849 241.7 1970.0 0.853 241.3 1971.0 0.857 241.0 1972.0 0.860 240.6 1973.0 0.863 240.3 1974.0 0.865 239.9 1975.0 0.867 239.6 1976.0 0.869 239.2 1977.0 0.871 238.9 1978.0 0.872 238.6 1979.0 0.873 238.2 1980.0 0.873 237.9 1981.0 0.873 237.6 1982.0 0.873 237.2 1983.0 0.873 236.9 1984.0 0.872 236.5 1985.0 0.871 236.2 1986.0 0.870 235.9 1987.0 0.868 235.5 1988.0 0.866 235.2 1989.0 0.864 234.8 1990.0 0.861 234.5 1991.0 0.858 234.1 1992.0 0.855 233.8 1993.0 0.851 233.4 1994.0 0.847 233.1 1995.0 0.843 232.7 1996.0 0.838 232.4 1997.0 0.834 232.0 1998.0 0.828 231.6 1999.0 0.822 231.2 2000.0 0.816 230.9 2001.0 0.810 230.5 2002.0 0.803 230.1 2003.0 0.796 229.7 2004.0 0.789 229.3 2005.0 0.781 228.8 2006.0 0.772 228.4 2007.0 0.764 228.0 2008.0 0.755 227.5 2009.0 0.745 227.1 2010.0 0.735 226.6 2011.0 0.725 226.1 2012.0 0.715 225.6 2013.0 0.703 225.1 2014.0 0.692 224.6 2015.0 0.680 224.0 2016.0 0.667 223.5 2017.0 0.655 222.9 2018.0 0.641 222.3 2019.0 0.627 221.6 2020.0 0.613 221.0 2021.0 0.598 220.3 2022.0 0.583 219.5 2023.0 0.567 218.8 2024.0 0.550 217.9 2025.0 0.533 217.1 2026.0 0.516 216.1 2027.0 0.498 215.1 2028.0 0.479 214.0 2029.0 0.460 212.9 2030.0 0.440 211.6 2031.0 0.419 210.2 2032.0 0.398 208.7 2033.0 0.376 206.9 2034.0 0.353 205.0 2035.0 0.330 202.8 2036.0 0.306 200.2 2037.0 0.282 197.3 2038.0 0.257 193.7 2039.0 0.232 189.4 2040.0 0.207 184.0 2041.0 0.182 177.2 2042.0 0.159 168.3 2043.0 0.139 156.7 2044.0 0.124 141.7 2045.0 0.117 123.8 2046.0 0.118 105.0 2047.0 0.126 87.5 2048.0 0.136 72.4 2049.0 0.143 59.2 2050.0 0.145 46.8 2051.0 0.141 34.3 2052.0 0.135 20.8 2053.0 0.131 6.3 2054.0 0.132 351.4 2055.0 0.137 337.0 2056.0 0.148 324.3 2057.0 0.163 313.7 2058.0 0.181 304.9 2059.0 0.201 297.8 2060.0 0.222 292.1 2061.0 0.243 287.3 2062.0 0.265 283.3 2063.0 0.286 279.9 2064.0 0.308 277.0 2065.0 0.329 274.4 2066.0 0.350 272.2 2067.0 0.370 270.2 2068.0 0.390 268.4 2069.0 0.410 266.8 2070.0 0.429 265.4 2071.0 0.447 264.0 2072.0 0.466 262.8 2073.0 0.483 261.7 2074.0 0.500 260.6 2075.0 0.517 259.6 2076.0 0.533 258.7 2077.0 0.549 257.8 2078.0 0.565 257.0 2079.0 0.580 256.2 2080.0 0.594 255.4 2081.0 0.608 254.7 2082.0 0.622 254.0 2083.0 0.635 253.4 2084.0 0.648 252.8 2085.0 0.660 252.2 2086.0 0.672 251.6 2087.0 0.684 251.0 2088.0 0.695 250.5 2089.0 0.706 250.0 2090.0 0.717 249.4 2091.0 0.727 249.0 2092.0 0.737 248.5 2093.0 0.746 248.0