| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:34:46 |
| WDS: | STF2924AB | WDS ID/Discoverer |
| P: | 218.800 | Orbital period (years) |
| a: | 0.759 | Semi-major axis (arcseconds) |
| i: | 77.66 | Inclination (degrees) |
| Ω: | 81.17 | Longitude of ascending node (degrees) |
| T: | 1971.585 | Epoch of periastron passage (year) |
| e: | 0.272 | Eccentricity |
| ω: | 2.52 | Longitude of periastron (degrees) |
| Start-Year: | 1916.0 | Year |
| End-Year: | 2134.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 223302.70+695448.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22330+6955 | WDS designation |
| Discoverer Code: | STF2924AB | Discover designation and components |
| ADS number: | 16057 | Aitken Double Star catalog |
| HD number: | 213973 | HD catalog number |
| Hipparcos number: | 111314 | Hipparcos catalog number |
| V1: | 7.82 | Magnitude of the primary |
| V2: | 6.28 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | Date of last observation |
| Orbit grade: | 2 | 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 0.435 241.2 ------------------------- 1916.0 0.419 282.7 1917.0 0.401 283.8 1918.0 0.383 285.1 1919.0 0.365 286.5 1920.0 0.347 288.1 1921.0 0.328 289.8 1922.0 0.310 291.7 1923.0 0.293 293.8 1924.0 0.275 296.2 1925.0 0.258 299.0 1926.0 0.241 302.1 1927.0 0.225 305.7 1928.0 0.209 309.9 1929.0 0.195 314.7 1930.0 0.182 320.1 1931.0 0.171 326.4 1932.0 0.162 333.4 1933.0 0.156 341.2 1934.0 0.152 349.4 1935.0 0.152 357.8 1936.0 0.155 6.2 1937.0 0.160 14.0 1938.0 0.169 21.3 1939.0 0.179 27.7 1940.0 0.192 33.4 1941.0 0.205 38.4 1942.0 0.220 42.7 1943.0 0.236 46.5 1944.0 0.252 49.7 1945.0 0.269 52.6 1946.0 0.286 55.1 1947.0 0.303 57.4 1948.0 0.320 59.4 1949.0 0.337 61.2 1950.0 0.353 62.9 1951.0 0.370 64.4 1952.0 0.386 65.7 1953.0 0.401 67.0 1954.0 0.417 68.2 1955.0 0.431 69.2 1956.0 0.445 70.3 1957.0 0.459 71.2 1958.0 0.471 72.1 1959.0 0.483 73.0 1960.0 0.494 73.8 1961.0 0.504 74.6 1962.0 0.514 75.3 1963.0 0.522 76.0 1964.0 0.530 76.7 1965.0 0.536 77.4 1966.0 0.542 78.1 1967.0 0.546 78.8 1968.0 0.549 79.4 1969.0 0.551 80.1 1970.0 0.553 80.7 1971.0 0.553 81.3 1972.0 0.551 82.0 1973.0 0.549 82.6 1974.0 0.546 83.3 1975.0 0.541 83.9 1976.0 0.536 84.6 1977.0 0.529 85.3 1978.0 0.522 86.0 1979.0 0.513 86.7 1980.0 0.504 87.5 1981.0 0.493 88.3 1982.0 0.482 89.1 1983.0 0.470 89.9 1984.0 0.457 90.8 1985.0 0.443 91.8 1986.0 0.429 92.8 1987.0 0.414 93.9 1988.0 0.398 95.1 1989.0 0.382 96.4 1990.0 0.366 97.8 1991.0 0.349 99.3 1992.0 0.332 101.0 1993.0 0.314 102.9 1994.0 0.297 105.0 1995.0 0.279 107.3 1996.0 0.262 110.0 1997.0 0.245 113.0 1998.0 0.228 116.5 1999.0 0.212 120.5 2000.0 0.197 125.2 2001.0 0.183 130.6 2002.0 0.171 136.8 2003.0 0.161 143.9 2004.0 0.154 151.8 2005.0 0.149 160.3 2006.0 0.148 169.1 2007.0 0.150 177.9 2008.0 0.156 186.3 2009.0 0.164 193.9 2010.0 0.175 200.7 2011.0 0.188 206.6 2012.0 0.202 211.8 2013.0 0.218 216.2 2014.0 0.234 220.0 2015.0 0.251 223.3 2016.0 0.269 226.2 2017.0 0.287 228.8 2018.0 0.306 231.0 2019.0 0.324 232.9 2020.0 0.343 234.7 2021.0 0.361 236.3 2022.0 0.380 237.7 2023.0 0.398 239.0 2024.0 0.417 240.2 2025.0 0.435 241.2 2026.0 0.453 242.2 2027.0 0.471 243.1 2028.0 0.489 244.0 2029.0 0.506 244.8 2030.0 0.524 245.5 2031.0 0.541 246.2 2032.0 0.558 246.8 2033.0 0.574 247.4 2034.0 0.590 248.0 2035.0 0.606 248.6 2036.0 0.622 249.1 2037.0 0.637 249.6 2038.0 0.652 250.0 2039.0 0.667 250.5 2040.0 0.681 250.9 2041.0 0.695 251.3 2042.0 0.709 251.7 2043.0 0.723 252.1 2044.0 0.736 252.5 2045.0 0.748 252.8 2046.0 0.761 253.2 2047.0 0.773 253.5 2048.0 0.785 253.8 2049.0 0.796 254.1 2050.0 0.807 254.4 2051.0 0.817 254.7 2052.0 0.828 255.0 2053.0 0.838 255.3 2054.0 0.847 255.6 2055.0 0.856 255.8 2056.0 0.865 256.1 2057.0 0.874 256.4 2058.0 0.882 256.6 2059.0 0.889 256.9 2060.0 0.897 257.1 2061.0 0.904 257.4 2062.0 0.910 257.6 2063.0 0.916 257.8 2064.0 0.922 258.1 2065.0 0.928 258.3 2066.0 0.933 258.5 2067.0 0.938 258.7 2068.0 0.942 259.0 2069.0 0.946 259.2 2070.0 0.950 259.4 2071.0 0.953 259.6 2072.0 0.956 259.8 2073.0 0.958 260.0 2074.0 0.960 260.2 2075.0 0.962 260.5 2076.0 0.963 260.7 2077.0 0.964 260.9 2078.0 0.965 261.1 2079.0 0.965 261.3 2080.0 0.965 261.5 2081.0 0.965 261.7 2082.0 0.964 261.9 2083.0 0.962 262.1 2084.0 0.961 262.3 2085.0 0.959 262.6 2086.0 0.956 262.8 2087.0 0.954 263.0 2088.0 0.951 263.2 2089.0 0.947 263.4 2090.0 0.943 263.6 2091.0 0.939 263.9 2092.0 0.934 264.1 2093.0 0.929 264.3 2094.0 0.924 264.5 2095.0 0.918 264.8 2096.0 0.912 265.0 2097.0 0.906 265.2 2098.0 0.899 265.5 2099.0 0.892 265.7 2100.0 0.884 266.0 2101.0 0.877 266.2 2102.0 0.868 266.5 2103.0 0.860 266.7 2104.0 0.851 267.0 2105.0 0.842 267.3 2106.0 0.832 267.5 2107.0 0.822 267.8 2108.0 0.812 268.1 2109.0 0.801 268.4 2110.0 0.790 268.7 2111.0 0.778 269.0 2112.0 0.767 269.4 2113.0 0.755 269.7 2114.0 0.742 270.1 2115.0 0.730 270.4 2116.0 0.717 270.8 2117.0 0.703 271.2 2118.0 0.690 271.6 2119.0 0.676 272.0 2120.0 0.661 272.4 2121.0 0.647 272.9 2122.0 0.632 273.4 2123.0 0.617 273.9 2124.0 0.601 274.4 2125.0 0.585 274.9 2126.0 0.569 275.5 2127.0 0.553 276.1 2128.0 0.537 276.8 2129.0 0.520 277.5 2130.0 0.503 278.2 2131.0 0.486 279.0 2132.0 0.468 279.9 2133.0 0.451 280.8