| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:39:53 |
| WDS: | STT489AB | WDS ID/Discoverer |
| P: | 175.964 | Orbital period (years) |
| a: | 0.88724 | Semi-major axis (arcseconds) |
| i: | 41.812 | Inclination (degrees) |
| Ω: | 67.993 | Longitude of ascending node (degrees) |
| T: | 1932.559 | Epoch of periastron passage (year) |
| e: | 0.66093 | Eccentricity |
| ω: | 108.22 | Longitude of periastron (degrees) |
| Start-Year: | 1938.0 | Year |
| End-Year: | 2112.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 230753.84+752315.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23079+7523 | WDS designation |
| Discoverer Code: | STT489AB | Discover designation and components |
| ADS number: | 16538 | Aitken Double Star catalog |
| HD number: | 218658 | HD catalog number |
| Hipparcos number: | 114222 | Hipparcos catalog number |
| V1: | 4.61 | Magnitude of the primary |
| V2: | 6.80 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2010 | 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 1.150 4.9 ------------------------- 1938.0 0.378 240.4 1939.0 0.405 246.3 1940.0 0.432 251.4 1941.0 0.456 256.0 1942.0 0.479 260.1 1943.0 0.501 263.8 1944.0 0.521 267.3 1945.0 0.540 270.5 1946.0 0.558 273.5 1947.0 0.575 276.3 1948.0 0.591 278.9 1949.0 0.607 281.5 1950.0 0.622 283.8 1951.0 0.637 286.1 1952.0 0.650 288.3 1953.0 0.664 290.4 1954.0 0.677 292.4 1955.0 0.690 294.3 1956.0 0.702 296.2 1957.0 0.714 298.0 1958.0 0.725 299.7 1959.0 0.737 301.4 1960.0 0.748 303.0 1961.0 0.759 304.6 1962.0 0.769 306.2 1963.0 0.780 307.7 1964.0 0.790 309.1 1965.0 0.800 310.5 1966.0 0.810 311.9 1967.0 0.820 313.3 1968.0 0.829 314.6 1969.0 0.838 315.9 1970.0 0.847 317.2 1971.0 0.856 318.4 1972.0 0.865 319.6 1973.0 0.874 320.8 1974.0 0.883 322.0 1975.0 0.891 323.1 1976.0 0.899 324.3 1977.0 0.908 325.4 1978.0 0.916 326.5 1979.0 0.923 327.5 1980.0 0.931 328.6 1981.0 0.939 329.6 1982.0 0.946 330.6 1983.0 0.954 331.6 1984.0 0.961 332.6 1985.0 0.968 333.6 1986.0 0.975 334.5 1987.0 0.982 335.5 1988.0 0.989 336.4 1989.0 0.996 337.3 1990.0 1.002 338.2 1991.0 1.008 339.1 1992.0 1.015 340.0 1993.0 1.021 340.8 1994.0 1.027 341.7 1995.0 1.033 342.5 1996.0 1.039 343.4 1997.0 1.044 344.2 1998.0 1.050 345.0 1999.0 1.055 345.9 2000.0 1.061 346.7 2001.0 1.066 347.5 2002.0 1.071 348.2 2003.0 1.076 349.0 2004.0 1.081 349.8 2005.0 1.085 350.6 2006.0 1.090 351.3 2007.0 1.094 352.1 2008.0 1.099 352.8 2009.0 1.103 353.6 2010.0 1.107 354.3 2011.0 1.111 355.0 2012.0 1.114 355.8 2013.0 1.118 356.5 2014.0 1.121 357.2 2015.0 1.125 357.9 2016.0 1.128 358.6 2017.0 1.131 359.3 2018.0 1.134 0.1 2019.0 1.137 0.8 2020.0 1.139 1.4 2021.0 1.142 2.1 2022.0 1.144 2.8 2023.0 1.146 3.5 2024.0 1.148 4.2 2025.0 1.150 4.9 2026.0 1.152 5.6 2027.0 1.153 6.2 2028.0 1.154 6.9 2029.0 1.156 7.6 2030.0 1.157 8.3 2031.0 1.157 8.9 2032.0 1.158 9.6 2033.0 1.159 10.3 2034.0 1.159 11.0 2035.0 1.159 11.6 2036.0 1.159 12.3 2037.0 1.159 13.0 2038.0 1.158 13.6 2039.0 1.158 14.3 2040.0 1.157 15.0 2041.0 1.156 15.7 2042.0 1.155 16.3 2043.0 1.153 17.0 2044.0 1.152 17.7 2045.0 1.150 18.4 2046.0 1.148 19.0 2047.0 1.145 19.7 2048.0 1.143 20.4 2049.0 1.140 21.1 2050.0 1.137 21.8 2051.0 1.134 22.5 2052.0 1.131 23.2 2053.0 1.127 23.9 2054.0 1.123 24.6 2055.0 1.119 25.3 2056.0 1.114 26.1 2057.0 1.109 26.8 2058.0 1.104 27.5 2059.0 1.099 28.3 2060.0 1.093 29.0 2061.0 1.088 29.8 2062.0 1.081 30.5 2063.0 1.075 31.3 2064.0 1.068 32.1 2065.0 1.061 32.9 2066.0 1.053 33.7 2067.0 1.045 34.5 2068.0 1.037 35.4 2069.0 1.028 36.2 2070.0 1.019 37.1 2071.0 1.009 37.9 2072.0 0.999 38.8 2073.0 0.989 39.7 2074.0 0.978 40.7 2075.0 0.967 41.6 2076.0 0.955 42.6 2077.0 0.943 43.6 2078.0 0.930 44.6 2079.0 0.917 45.7 2080.0 0.903 46.8 2081.0 0.888 47.9 2082.0 0.873 49.1 2083.0 0.857 50.3 2084.0 0.840 51.5 2085.0 0.823 52.8 2086.0 0.805 54.2 2087.0 0.786 55.6 2088.0 0.766 57.1 2089.0 0.746 58.7 2090.0 0.724 60.3 2091.0 0.701 62.1 2092.0 0.678 64.0 2093.0 0.653 66.0 2094.0 0.627 68.2 2095.0 0.600 70.6 2096.0 0.571 73.3 2097.0 0.541 76.2 2098.0 0.510 79.4 2099.0 0.477 83.2 2100.0 0.443 87.4 2101.0 0.408 92.4 2102.0 0.372 98.4 2103.0 0.336 105.6 2104.0 0.301 114.5 2105.0 0.269 125.7 2106.0 0.244 139.4 2107.0 0.230 155.6 2108.0 0.228 172.9 2109.0 0.240 189.5 2110.0 0.261 204.0 2111.0 0.289 215.9