| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:01:38 |
| WDS: | STF2438 | WDS ID/Discoverer |
| P: | 261.600 | Orbital period (years) |
| a: | 1.051 | Semi-major axis (arcseconds) |
| i: | 114.1 | Inclination (degrees) |
| Ω: | 257.8 | Longitude of ascending node (degrees) |
| T: | 1885.890 | Epoch of periastron passage (year) |
| e: | 0.98 | Eccentricity |
| ω: | 86.0 | Longitude of periastron (degrees) |
| Start-Year: | 1895.0 | Year |
| End-Year: | 2155.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 185728.47+581330.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18575+5814 | WDS designation |
| Discoverer Code: | STF2438 | Discover designation and components |
| ADS number: | 11897 | Aitken Double Star catalog |
| HD number: | 176560 | HD catalog number |
| Hipparcos number: | 93068 | Hipparcos catalog number |
| V1: | 7.01 | Magnitude of the primary |
| V2: | 7.44 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2017 | 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 0.855 356.1 ------------------------- 1895.0 0.309 33.8 1896.0 0.325 32.6 1897.0 0.341 31.4 1898.0 0.355 30.4 1899.0 0.369 29.5 1900.0 0.383 28.6 1901.0 0.396 27.8 1902.0 0.408 27.0 1903.0 0.420 26.3 1904.0 0.432 25.6 1905.0 0.443 25.0 1906.0 0.454 24.4 1907.0 0.465 23.8 1908.0 0.475 23.2 1909.0 0.485 22.7 1910.0 0.495 22.2 1911.0 0.505 21.7 1912.0 0.514 21.2 1913.0 0.523 20.8 1914.0 0.532 20.3 1915.0 0.540 19.9 1916.0 0.549 19.5 1917.0 0.557 19.1 1918.0 0.565 18.7 1919.0 0.573 18.3 1920.0 0.580 17.9 1921.0 0.588 17.6 1922.0 0.595 17.2 1923.0 0.602 16.9 1924.0 0.609 16.5 1925.0 0.616 16.2 1926.0 0.623 15.9 1927.0 0.629 15.6 1928.0 0.636 15.2 1929.0 0.642 14.9 1930.0 0.648 14.6 1931.0 0.654 14.4 1932.0 0.660 14.1 1933.0 0.666 13.8 1934.0 0.672 13.5 1935.0 0.677 13.2 1936.0 0.683 13.0 1937.0 0.688 12.7 1938.0 0.693 12.4 1939.0 0.698 12.2 1940.0 0.703 11.9 1941.0 0.708 11.7 1942.0 0.713 11.4 1943.0 0.718 11.2 1944.0 0.722 11.0 1945.0 0.727 10.7 1946.0 0.731 10.5 1947.0 0.736 10.3 1948.0 0.740 10.0 1949.0 0.744 9.8 1950.0 0.748 9.6 1951.0 0.752 9.4 1952.0 0.756 9.2 1953.0 0.760 8.9 1954.0 0.763 8.7 1955.0 0.767 8.5 1956.0 0.771 8.3 1957.0 0.774 8.1 1958.0 0.778 7.9 1959.0 0.781 7.7 1960.0 0.784 7.5 1961.0 0.787 7.3 1962.0 0.790 7.1 1963.0 0.793 6.9 1964.0 0.796 6.7 1965.0 0.799 6.5 1966.0 0.802 6.3 1967.0 0.805 6.1 1968.0 0.807 5.9 1969.0 0.810 5.7 1970.0 0.813 5.6 1971.0 0.815 5.4 1972.0 0.817 5.2 1973.0 0.820 5.0 1974.0 0.822 4.8 1975.0 0.824 4.6 1976.0 0.826 4.5 1977.0 0.828 4.3 1978.0 0.830 4.1 1979.0 0.832 3.9 1980.0 0.834 3.7 1981.0 0.836 3.6 1982.0 0.838 3.4 1983.0 0.839 3.2 1984.0 0.841 3.0 1985.0 0.842 2.9 1986.0 0.844 2.7 1987.0 0.845 2.5 1988.0 0.847 2.3 1989.0 0.848 2.2 1990.0 0.849 2.0 1991.0 0.850 1.8 1992.0 0.851 1.7 1993.0 0.852 1.5 1994.0 0.853 1.3 1995.0 0.854 1.1 1996.0 0.855 1.0 1997.0 0.856 0.8 1998.0 0.857 0.6 1999.0 0.857 0.5 2000.0 0.858 0.3 2001.0 0.859 0.1 2002.0 0.859 360.0 2003.0 0.860 359.8 2004.0 0.860 359.6 2005.0 0.860 359.5 2006.0 0.861 359.3 2007.0 0.861 359.1 2008.0 0.861 359.0 2009.0 0.861 358.8 2010.0 0.861 358.6 2011.0 0.861 358.5 2012.0 0.861 358.3 2013.0 0.861 358.1 2014.0 0.861 358.0 2015.0 0.861 357.8 2016.0 0.860 357.6 2017.0 0.860 357.5 2018.0 0.859 357.3 2019.0 0.859 357.1 2020.0 0.859 357.0 2021.0 0.858 356.8 2022.0 0.857 356.6 2023.0 0.857 356.5 2024.0 0.856 356.3 2025.0 0.855 356.1 2026.0 0.854 356.0 2027.0 0.853 355.8 2028.0 0.852 355.6 2029.0 0.851 355.4 2030.0 0.850 355.3 2031.0 0.849 355.1 2032.0 0.848 354.9 2033.0 0.847 354.8 2034.0 0.845 354.6 2035.0 0.844 354.4 2036.0 0.843 354.2 2037.0 0.841 354.1 2038.0 0.840 353.9 2039.0 0.838 353.7 2040.0 0.836 353.5 2041.0 0.835 353.4 2042.0 0.833 353.2 2043.0 0.831 353.0 2044.0 0.829 352.8 2045.0 0.827 352.6 2046.0 0.825 352.5 2047.0 0.823 352.3 2048.0 0.821 352.1 2049.0 0.819 351.9 2050.0 0.817 351.7 2051.0 0.814 351.5 2052.0 0.812 351.4 2053.0 0.809 351.2 2054.0 0.807 351.0 2055.0 0.804 350.8 2056.0 0.802 350.6 2057.0 0.799 350.4 2058.0 0.796 350.2 2059.0 0.794 350.0 2060.0 0.791 349.8 2061.0 0.788 349.6 2062.0 0.785 349.4 2063.0 0.782 349.2 2064.0 0.779 349.0 2065.0 0.775 348.8 2066.0 0.772 348.6 2067.0 0.769 348.4 2068.0 0.766 348.2 2069.0 0.762 348.0 2070.0 0.759 347.8 2071.0 0.755 347.5 2072.0 0.751 347.3 2073.0 0.748 347.1 2074.0 0.744 346.9 2075.0 0.740 346.7 2076.0 0.736 346.4 2077.0 0.732 346.2 2078.0 0.728 346.0 2079.0 0.724 345.7 2080.0 0.719 345.5 2081.0 0.715 345.3 2082.0 0.711 345.0 2083.0 0.706 344.8 2084.0 0.702 344.5 2085.0 0.697 344.3 2086.0 0.692 344.0 2087.0 0.688 343.8 2088.0 0.683 343.5 2089.0 0.678 343.2 2090.0 0.673 343.0 2091.0 0.668 342.7 2092.0 0.662 342.4 2093.0 0.657 342.1 2094.0 0.652 341.8 2095.0 0.646 341.5 2096.0 0.641 341.2 2097.0 0.635 340.9 2098.0 0.629 340.6 2099.0 0.623 340.3 2100.0 0.617 340.0 2101.0 0.611 339.7 2102.0 0.605 339.3 2103.0 0.599 339.0 2104.0 0.593 338.6 2105.0 0.586 338.3 2106.0 0.579 337.9 2107.0 0.573 337.6 2108.0 0.566 337.2 2109.0 0.559 336.8 2110.0 0.552 336.4 2111.0 0.545 336.0 2112.0 0.537 335.5 2113.0 0.530 335.1 2114.0 0.522 334.7 2115.0 0.514 334.2 2116.0 0.506 333.7 2117.0 0.498 333.2 2118.0 0.490 332.7 2119.0 0.481 332.2 2120.0 0.473 331.7 2121.0 0.464 331.1 2122.0 0.455 330.5 2123.0 0.446 329.9 2124.0 0.437 329.3 2125.0 0.427 328.6 2126.0 0.417 327.9 2127.0 0.407 327.2 2128.0 0.397 326.4 2129.0 0.386 325.6 2130.0 0.375 324.8 2131.0 0.364 323.9 2132.0 0.353 322.9 2133.0 0.341 321.9 2134.0 0.328 320.8 2135.0 0.316 319.6 2136.0 0.303 318.3 2137.0 0.289 316.9 2138.0 0.275 315.3 2139.0 0.260 313.6 2140.0 0.244 311.6 2141.0 0.227 309.4 2142.0 0.209 306.8 2143.0 0.189 303.7 2144.0 0.168 299.8 2145.0 0.143 294.7 2146.0 0.112 287.1 2147.0 0.065 271.2 2148.0 0.071 67.8 2149.0 0.126 54.8 2150.0 0.163 48.9 2151.0 0.193 45.0 2152.0 0.218 42.0 2153.0 0.241 39.7 2154.0 0.262 37.7