| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:28:37 |
| WDS: | STF1909 | WDS ID/Discoverer |
| P: | 214.763 | Orbital period (years) |
| a: | 3.70131 | Semi-major axis (arcseconds) |
| i: | 83.708 | Inclination (degrees) |
| Ω: | 56.678 | Longitude of ascending node (degrees) |
| T: | 2011.970 | Epoch of periastron passage (year) |
| e: | 0.5145 | Eccentricity |
| ω: | 39.146 | Longitude of periastron (degrees) |
| Start-Year: | 1918.0 | Year |
| End-Year: | 2132.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 150347.30+473914.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15038+4739 | WDS designation |
| Discoverer Code: | STF1909 | Discover designation and components |
| ADS number: | 9494 | Aitken Double Star catalog |
| HD number: | 133640 | HD catalog number |
| Hipparcos number: | 73695 | Hipparcos catalog number |
| V1: | 5.20 | Magnitude of the primary |
| V2: | 6.10 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | 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 0.685 216.3 ------------------------- 1918.0 3.762 243.5 1919.0 3.711 243.7 1920.0 3.658 243.8 1921.0 3.604 244.0 1922.0 3.549 244.2 1923.0 3.494 244.3 1924.0 3.437 244.5 1925.0 3.380 244.7 1926.0 3.322 244.9 1927.0 3.263 245.1 1928.0 3.203 245.3 1929.0 3.142 245.5 1930.0 3.081 245.7 1931.0 3.019 246.0 1932.0 2.955 246.2 1933.0 2.891 246.5 1934.0 2.827 246.7 1935.0 2.761 247.0 1936.0 2.695 247.3 1937.0 2.628 247.6 1938.0 2.560 247.9 1939.0 2.492 248.3 1940.0 2.423 248.6 1941.0 2.353 249.0 1942.0 2.283 249.4 1943.0 2.212 249.8 1944.0 2.140 250.3 1945.0 2.068 250.8 1946.0 1.995 251.3 1947.0 1.922 251.9 1948.0 1.848 252.5 1949.0 1.774 253.1 1950.0 1.700 253.8 1951.0 1.625 254.6 1952.0 1.549 255.5 1953.0 1.474 256.4 1954.0 1.398 257.5 1955.0 1.323 258.6 1956.0 1.247 259.9 1957.0 1.171 261.4 1958.0 1.096 263.1 1959.0 1.022 265.0 1960.0 0.948 267.3 1961.0 0.876 269.9 1962.0 0.805 272.9 1963.0 0.737 276.6 1964.0 0.671 280.9 1965.0 0.611 286.2 1966.0 0.556 292.6 1967.0 0.509 300.2 1968.0 0.472 309.3 1969.0 0.449 319.5 1970.0 0.441 330.5 1971.0 0.449 341.4 1972.0 0.472 351.7 1973.0 0.509 0.7 1974.0 0.556 8.4 1975.0 0.610 14.7 1976.0 0.671 20.0 1977.0 0.735 24.4 1978.0 0.803 28.1 1979.0 0.873 31.1 1980.0 0.943 33.8 1981.0 1.015 36.0 1982.0 1.087 38.0 1983.0 1.159 39.7 1984.0 1.230 41.2 1985.0 1.300 42.5 1986.0 1.369 43.8 1987.0 1.437 44.9 1988.0 1.503 45.8 1989.0 1.567 46.8 1990.0 1.628 47.6 1991.0 1.687 48.4 1992.0 1.743 49.1 1993.0 1.795 49.8 1994.0 1.843 50.5 1995.0 1.887 51.1 1996.0 1.925 51.7 1997.0 1.959 52.3 1998.0 1.986 52.8 1999.0 2.007 53.4 2000.0 2.020 53.9 2001.0 2.025 54.4 2002.0 2.022 54.9 2003.0 2.009 55.5 2004.0 1.986 56.0 2005.0 1.953 56.6 2006.0 1.909 57.1 2007.0 1.853 57.8 2008.0 1.785 58.4 2009.0 1.705 59.1 2010.0 1.613 59.9 2011.0 1.510 60.8 2012.0 1.396 61.8 2013.0 1.272 63.0 2014.0 1.139 64.5 2015.0 0.999 66.4 2016.0 0.854 68.9 2017.0 0.704 72.5 2018.0 0.555 78.0 2019.0 0.411 87.5 2020.0 0.287 106.1 2021.0 0.225 141.7 2022.0 0.273 179.4 2023.0 0.391 200.0 2024.0 0.534 210.4 2025.0 0.685 216.3 2026.0 0.838 220.1 2027.0 0.991 222.7 2028.0 1.142 224.6 2029.0 1.291 226.0 2030.0 1.437 227.2 2031.0 1.579 228.1 2032.0 1.719 228.9 2033.0 1.854 229.6 2034.0 1.987 230.2 2035.0 2.116 230.7 2036.0 2.241 231.2 2037.0 2.363 231.6 2038.0 2.481 231.9 2039.0 2.595 232.3 2040.0 2.707 232.6 2041.0 2.814 232.9 2042.0 2.919 233.1 2043.0 3.020 233.4 2044.0 3.117 233.6 2045.0 3.212 233.8 2046.0 3.303 234.0 2047.0 3.392 234.2 2048.0 3.477 234.4 2049.0 3.559 234.6 2050.0 3.639 234.7 2051.0 3.715 234.9 2052.0 3.789 235.0 2053.0 3.860 235.2 2054.0 3.929 235.3 2055.0 3.995 235.5 2056.0 4.058 235.6 2057.0 4.119 235.7 2058.0 4.177 235.9 2059.0 4.233 236.0 2060.0 4.287 236.1 2061.0 4.338 236.2 2062.0 4.387 236.3 2063.0 4.434 236.4 2064.0 4.479 236.6 2065.0 4.521 236.7 2066.0 4.561 236.8 2067.0 4.600 236.9 2068.0 4.636 237.0 2069.0 4.670 237.1 2070.0 4.702 237.2 2071.0 4.733 237.3 2072.0 4.761 237.4 2073.0 4.788 237.5 2074.0 4.813 237.5 2075.0 4.836 237.6 2076.0 4.857 237.7 2077.0 4.876 237.8 2078.0 4.894 237.9 2079.0 4.910 238.0 2080.0 4.924 238.1 2081.0 4.937 238.2 2082.0 4.948 238.3 2083.0 4.957 238.4 2084.0 4.965 238.4 2085.0 4.971 238.5 2086.0 4.976 238.6 2087.0 4.979 238.7 2088.0 4.981 238.8 2089.0 4.981 238.9 2090.0 4.980 239.0 2091.0 4.977 239.1 2092.0 4.973 239.1 2093.0 4.967 239.2 2094.0 4.961 239.3 2095.0 4.952 239.4 2096.0 4.943 239.5 2097.0 4.932 239.6 2098.0 4.919 239.7 2099.0 4.906 239.8 2100.0 4.891 239.8 2101.0 4.875 239.9 2102.0 4.857 240.0 2103.0 4.838 240.1 2104.0 4.818 240.2 2105.0 4.797 240.3 2106.0 4.775 240.4 2107.0 4.751 240.5 2108.0 4.726 240.6 2109.0 4.700 240.7 2110.0 4.673 240.8 2111.0 4.645 240.9 2112.0 4.615 241.0 2113.0 4.585 241.1 2114.0 4.553 241.2 2115.0 4.520 241.3 2116.0 4.486 241.4 2117.0 4.451 241.5 2118.0 4.415 241.6 2119.0 4.378 241.7 2120.0 4.340 241.8 2121.0 4.300 242.0 2122.0 4.260 242.1 2123.0 4.219 242.2 2124.0 4.176 242.3 2125.0 4.133 242.5 2126.0 4.089 242.6 2127.0 4.043 242.7 2128.0 3.997 242.8 2129.0 3.949 243.0 2130.0 3.901 243.1 2131.0 3.852 243.3