| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:29:12 |
| WDS: | I264AB | WDS ID/Discoverer |
| P: | 250.000 | Orbital period (years) |
| a: | 1.46 | Semi-major axis (arcseconds) |
| i: | 107.4 | Inclination (degrees) |
| Ω: | 141.0 | Longitude of ascending node (degrees) |
| T: | 1889.500 | Epoch of periastron passage (year) |
| e: | 0.892 | Eccentricity |
| ω: | 276.9 | Longitude of periastron (degrees) |
| Start-Year: | 1900.0 | Year |
| End-Year: | 2150.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 013135.29-532210.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01316-5322 | WDS designation |
| Discoverer Code: | I264AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 9438 | HD catalog number |
| Hipparcos number: | 7111 | Hipparcos catalog number |
| V1: | 8.36 | Magnitude of the primary |
| V2: | 8.84 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1995 | Date of last observation |
| Orbit grade: | 5 | 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 0.915 23.6 ------------------------- 1900.0 0.528 120.7 1901.0 0.541 119.3 1902.0 0.553 117.9 1903.0 0.564 116.6 1904.0 0.574 115.3 1905.0 0.583 114.0 1906.0 0.591 112.8 1907.0 0.598 111.7 1908.0 0.605 110.5 1909.0 0.611 109.4 1910.0 0.617 108.3 1911.0 0.623 107.2 1912.0 0.627 106.2 1913.0 0.632 105.1 1914.0 0.636 104.1 1915.0 0.640 103.1 1916.0 0.644 102.1 1917.0 0.648 101.1 1918.0 0.651 100.1 1919.0 0.654 99.1 1920.0 0.657 98.1 1921.0 0.660 97.2 1922.0 0.662 96.2 1923.0 0.665 95.3 1924.0 0.667 94.4 1925.0 0.670 93.4 1926.0 0.672 92.5 1927.0 0.674 91.6 1928.0 0.676 90.7 1929.0 0.679 89.8 1930.0 0.681 88.9 1931.0 0.682 88.0 1932.0 0.684 87.1 1933.0 0.686 86.2 1934.0 0.688 85.3 1935.0 0.690 84.5 1936.0 0.692 83.6 1937.0 0.694 82.7 1938.0 0.695 81.9 1939.0 0.697 81.0 1940.0 0.699 80.2 1941.0 0.701 79.3 1942.0 0.702 78.5 1943.0 0.704 77.6 1944.0 0.706 76.8 1945.0 0.708 76.0 1946.0 0.710 75.1 1947.0 0.711 74.3 1948.0 0.713 73.5 1949.0 0.715 72.7 1950.0 0.717 71.9 1951.0 0.719 71.1 1952.0 0.721 70.3 1953.0 0.723 69.5 1954.0 0.725 68.7 1955.0 0.727 67.9 1956.0 0.729 67.1 1957.0 0.731 66.3 1958.0 0.733 65.6 1959.0 0.735 64.8 1960.0 0.737 64.0 1961.0 0.739 63.3 1962.0 0.741 62.5 1963.0 0.743 61.8 1964.0 0.746 61.0 1965.0 0.748 60.3 1966.0 0.750 59.5 1967.0 0.752 58.8 1968.0 0.755 58.1 1969.0 0.757 57.3 1970.0 0.759 56.6 1971.0 0.762 55.9 1972.0 0.764 55.2 1973.0 0.767 54.5 1974.0 0.769 53.8 1975.0 0.772 53.1 1976.0 0.774 52.4 1977.0 0.777 51.7 1978.0 0.779 51.0 1979.0 0.782 50.3 1980.0 0.785 49.6 1981.0 0.787 49.0 1982.0 0.790 48.3 1983.0 0.793 47.6 1984.0 0.795 47.0 1985.0 0.798 46.3 1986.0 0.801 45.7 1987.0 0.804 45.0 1988.0 0.807 44.4 1989.0 0.809 43.8 1990.0 0.812 43.1 1991.0 0.815 42.5 1992.0 0.818 41.9 1993.0 0.821 41.3 1994.0 0.824 40.6 1995.0 0.827 40.0 1996.0 0.830 39.4 1997.0 0.833 38.8 1998.0 0.835 38.2 1999.0 0.838 37.6 2000.0 0.841 37.1 2001.0 0.844 36.5 2002.0 0.847 35.9 2003.0 0.850 35.3 2004.0 0.853 34.7 2005.0 0.856 34.2 2006.0 0.859 33.6 2007.0 0.862 33.0 2008.0 0.865 32.5 2009.0 0.868 31.9 2010.0 0.871 31.4 2011.0 0.874 30.8 2012.0 0.877 30.3 2013.0 0.880 29.8 2014.0 0.883 29.2 2015.0 0.886 28.7 2016.0 0.889 28.2 2017.0 0.892 27.7 2018.0 0.895 27.1 2019.0 0.898 26.6 2020.0 0.901 26.1 2021.0 0.904 25.6 2022.0 0.907 25.1 2023.0 0.910 24.6 2024.0 0.912 24.1 2025.0 0.915 23.6 2026.0 0.918 23.1 2027.0 0.921 22.6 2028.0 0.924 22.1 2029.0 0.927 21.6 2030.0 0.929 21.2 2031.0 0.932 20.7 2032.0 0.935 20.2 2033.0 0.937 19.7 2034.0 0.940 19.3 2035.0 0.943 18.8 2036.0 0.945 18.3 2037.0 0.948 17.9 2038.0 0.950 17.4 2039.0 0.953 16.9 2040.0 0.955 16.5 2041.0 0.958 16.0 2042.0 0.960 15.6 2043.0 0.962 15.1 2044.0 0.965 14.7 2045.0 0.967 14.2 2046.0 0.969 13.8 2047.0 0.971 13.3 2048.0 0.973 12.9 2049.0 0.976 12.5 2050.0 0.978 12.0 2051.0 0.980 11.6 2052.0 0.981 11.2 2053.0 0.983 10.7 2054.0 0.985 10.3 2055.0 0.987 9.9 2056.0 0.989 9.5 2057.0 0.990 9.0 2058.0 0.992 8.6 2059.0 0.993 8.2 2060.0 0.995 7.8 2061.0 0.996 7.4 2062.0 0.997 6.9 2063.0 0.999 6.5 2064.0 1.000 6.1 2065.0 1.001 5.7 2066.0 1.002 5.3 2067.0 1.003 4.9 2068.0 1.003 4.5 2069.0 1.004 4.0 2070.0 1.005 3.6 2071.0 1.005 3.2 2072.0 1.006 2.8 2073.0 1.006 2.4 2074.0 1.006 2.0 2075.0 1.007 1.6 2076.0 1.007 1.2 2077.0 1.007 0.8 2078.0 1.006 0.4 2079.0 1.006 359.9 2080.0 1.006 359.5 2081.0 1.005 359.1 2082.0 1.004 358.7 2083.0 1.004 358.3 2084.0 1.003 357.9 2085.0 1.002 357.5 2086.0 1.000 357.1 2087.0 0.999 356.6 2088.0 0.997 356.2 2089.0 0.996 355.8 2090.0 0.994 355.4 2091.0 0.992 355.0 2092.0 0.990 354.5 2093.0 0.987 354.1 2094.0 0.985 353.7 2095.0 0.982 353.3 2096.0 0.979 352.8 2097.0 0.976 352.4 2098.0 0.972 352.0 2099.0 0.968 351.5 2100.0 0.964 351.1 2101.0 0.960 350.6 2102.0 0.956 350.2 2103.0 0.951 349.7 2104.0 0.946 349.3 2105.0 0.941 348.8 2106.0 0.935 348.3 2107.0 0.929 347.8 2108.0 0.923 347.4 2109.0 0.916 346.9 2110.0 0.909 346.4 2111.0 0.901 345.9 2112.0 0.893 345.3 2113.0 0.885 344.8 2114.0 0.876 344.3 2115.0 0.866 343.7 2116.0 0.856 343.2 2117.0 0.845 342.6 2118.0 0.834 342.0 2119.0 0.822 341.4 2120.0 0.809 340.8 2121.0 0.795 340.1 2122.0 0.781 339.5 2123.0 0.765 338.8 2124.0 0.748 338.1 2125.0 0.730 337.3 2126.0 0.711 336.5 2127.0 0.690 335.7 2128.0 0.667 334.8 2129.0 0.643 333.8 2130.0 0.615 332.7 2131.0 0.585 331.6 2132.0 0.552 330.3 2133.0 0.514 328.8 2134.0 0.471 327.1 2135.0 0.421 325.0 2136.0 0.361 322.3 2137.0 0.287 318.3 2138.0 0.191 310.9 2139.0 0.074 281.6 2140.0 0.101 165.0 2141.0 0.211 146.2 2142.0 0.289 139.5 2143.0 0.345 135.4 2144.0 0.388 132.3 2145.0 0.423 129.8 2146.0 0.451 127.6 2147.0 0.475 125.7 2148.0 0.495 123.9 2149.0 0.512 122.3