| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:53:41 |
| WDS: | BU1127AA,B | WDS ID/Discoverer |
| P: | 281.470 | Orbital period (years) |
| a: | 0.75 | Semi-major axis (arcseconds) |
| i: | 146.4 | Inclination (degrees) |
| Ω: | 73.2 | Longitude of ascending node (degrees) |
| T: | 2070.250 | Epoch of periastron passage (year) |
| e: | 0.298 | Eccentricity |
| ω: | 135.3 | Longitude of periastron (degrees) |
| Start-Year: | 1885.0 | Year |
| End-Year: | 2165.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 180230.89+441402.6 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18025+4414 | WDS designation |
| Discoverer Code: | BU1127AA,B | Discover designation and components |
| ADS number: | 11010 | Aitken Double Star catalog |
| HD number: | 165170 | HD catalog number |
| Hipparcos number: | 88350 | Hipparcos catalog number |
| V1: | 7.31 | Magnitude of the primary |
| V2: | 9.20 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 0.637 34.8 ------------------------- 1885.0 0.763 149.5 1886.0 0.767 148.5 1887.0 0.770 147.5 1888.0 0.773 146.6 1889.0 0.777 145.6 1890.0 0.780 144.7 1891.0 0.784 143.7 1892.0 0.787 142.8 1893.0 0.790 141.9 1894.0 0.794 141.0 1895.0 0.797 140.1 1896.0 0.801 139.2 1897.0 0.804 138.3 1898.0 0.807 137.4 1899.0 0.811 136.5 1900.0 0.814 135.7 1901.0 0.817 134.8 1902.0 0.821 133.9 1903.0 0.824 133.1 1904.0 0.827 132.3 1905.0 0.830 131.4 1906.0 0.834 130.6 1907.0 0.837 129.8 1908.0 0.840 129.0 1909.0 0.843 128.2 1910.0 0.846 127.4 1911.0 0.849 126.6 1912.0 0.852 125.8 1913.0 0.855 125.0 1914.0 0.858 124.2 1915.0 0.861 123.4 1916.0 0.864 122.7 1917.0 0.866 121.9 1918.0 0.869 121.1 1919.0 0.872 120.4 1920.0 0.874 119.6 1921.0 0.877 118.9 1922.0 0.880 118.1 1923.0 0.882 117.4 1924.0 0.884 116.7 1925.0 0.887 115.9 1926.0 0.889 115.2 1927.0 0.891 114.5 1928.0 0.894 113.8 1929.0 0.896 113.1 1930.0 0.898 112.4 1931.0 0.900 111.6 1932.0 0.902 110.9 1933.0 0.903 110.2 1934.0 0.905 109.5 1935.0 0.907 108.8 1936.0 0.909 108.1 1937.0 0.910 107.5 1938.0 0.912 106.8 1939.0 0.913 106.1 1940.0 0.914 105.4 1941.0 0.916 104.7 1942.0 0.917 104.0 1943.0 0.918 103.3 1944.0 0.919 102.7 1945.0 0.920 102.0 1946.0 0.920 101.3 1947.0 0.921 100.6 1948.0 0.922 100.0 1949.0 0.922 99.3 1950.0 0.923 98.6 1951.0 0.923 98.0 1952.0 0.923 97.3 1953.0 0.924 96.6 1954.0 0.924 95.9 1955.0 0.924 95.3 1956.0 0.924 94.6 1957.0 0.923 93.9 1958.0 0.923 93.3 1959.0 0.923 92.6 1960.0 0.922 91.9 1961.0 0.922 91.2 1962.0 0.921 90.6 1963.0 0.920 89.9 1964.0 0.919 89.2 1965.0 0.918 88.5 1966.0 0.917 87.9 1967.0 0.916 87.2 1968.0 0.914 86.5 1969.0 0.913 85.8 1970.0 0.911 85.1 1971.0 0.909 84.4 1972.0 0.907 83.7 1973.0 0.905 83.0 1974.0 0.903 82.3 1975.0 0.901 81.6 1976.0 0.899 80.9 1977.0 0.896 80.2 1978.0 0.894 79.5 1979.0 0.891 78.8 1980.0 0.888 78.1 1981.0 0.886 77.3 1982.0 0.883 76.6 1983.0 0.879 75.9 1984.0 0.876 75.1 1985.0 0.873 74.4 1986.0 0.869 73.6 1987.0 0.865 72.9 1988.0 0.862 72.1 1989.0 0.858 71.3 1990.0 0.854 70.5 1991.0 0.849 69.8 1992.0 0.845 69.0 1993.0 0.841 68.2 1994.0 0.836 67.3 1995.0 0.831 66.5 1996.0 0.827 65.7 1997.0 0.822 64.8 1998.0 0.817 64.0 1999.0 0.811 63.1 2000.0 0.806 62.3 2001.0 0.801 61.4 2002.0 0.795 60.5 2003.0 0.789 59.6 2004.0 0.784 58.6 2005.0 0.778 57.7 2006.0 0.772 56.7 2007.0 0.765 55.8 2008.0 0.759 54.8 2009.0 0.753 53.8 2010.0 0.746 52.8 2011.0 0.739 51.7 2012.0 0.733 50.7 2013.0 0.726 49.6 2014.0 0.719 48.5 2015.0 0.712 47.4 2016.0 0.705 46.2 2017.0 0.698 45.1 2018.0 0.690 43.9 2019.0 0.683 42.7 2020.0 0.675 41.4 2021.0 0.668 40.2 2022.0 0.660 38.9 2023.0 0.653 37.5 2024.0 0.645 36.2 2025.0 0.637 34.8 2026.0 0.630 33.4 2027.0 0.622 31.9 2028.0 0.614 30.4 2029.0 0.607 28.9 2030.0 0.599 27.3 2031.0 0.591 25.7 2032.0 0.584 24.0 2033.0 0.576 22.3 2034.0 0.568 20.6 2035.0 0.561 18.8 2036.0 0.554 16.9 2037.0 0.547 15.1 2038.0 0.540 13.1 2039.0 0.533 11.1 2040.0 0.526 9.1 2041.0 0.520 7.0 2042.0 0.513 4.9 2043.0 0.507 2.7 2044.0 0.502 0.4 2045.0 0.496 358.1 2046.0 0.491 355.8 2047.0 0.486 353.4 2048.0 0.482 350.9 2049.0 0.478 348.4 2050.0 0.474 345.9 2051.0 0.471 343.4 2052.0 0.468 340.8 2053.0 0.465 338.1 2054.0 0.463 335.5 2055.0 0.462 332.8 2056.0 0.460 330.1 2057.0 0.460 327.4 2058.0 0.459 324.7 2059.0 0.459 322.0 2060.0 0.460 319.3 2061.0 0.461 316.6 2062.0 0.462 313.9 2063.0 0.464 311.2 2064.0 0.466 308.6 2065.0 0.468 306.0 2066.0 0.471 303.4 2067.0 0.474 300.8 2068.0 0.477 298.3 2069.0 0.480 295.8 2070.0 0.484 293.3 2071.0 0.488 290.9 2072.0 0.492 288.5 2073.0 0.496 286.2 2074.0 0.500 283.8 2075.0 0.504 281.6 2076.0 0.509 279.4 2077.0 0.513 277.2 2078.0 0.518 275.0 2079.0 0.522 272.9 2080.0 0.526 270.8 2081.0 0.531 268.8 2082.0 0.535 266.8 2083.0 0.539 264.8 2084.0 0.544 262.8 2085.0 0.548 260.9 2086.0 0.552 259.0 2087.0 0.556 257.1 2088.0 0.560 255.3 2089.0 0.563 253.5 2090.0 0.567 251.7 2091.0 0.571 249.9 2092.0 0.574 248.2 2093.0 0.577 246.5 2094.0 0.580 244.8 2095.0 0.584 243.1 2096.0 0.587 241.4 2097.0 0.589 239.7 2098.0 0.592 238.1 2099.0 0.595 236.5 2100.0 0.598 234.9 2101.0 0.600 233.3 2102.0 0.603 231.7 2103.0 0.605 230.1 2104.0 0.607 228.6 2105.0 0.610 227.0 2106.0 0.612 225.5 2107.0 0.614 224.0 2108.0 0.616 222.4 2109.0 0.618 220.9 2110.0 0.620 219.5 2111.0 0.622 218.0 2112.0 0.624 216.5 2113.0 0.626 215.0 2114.0 0.628 213.6 2115.0 0.630 212.1 2116.0 0.631 210.7 2117.0 0.633 209.3 2118.0 0.635 207.8 2119.0 0.637 206.4 2120.0 0.639 205.0 2121.0 0.641 203.6 2122.0 0.643 202.2 2123.0 0.645 200.9 2124.0 0.647 199.5 2125.0 0.649 198.1 2126.0 0.651 196.8 2127.0 0.653 195.4 2128.0 0.655 194.1 2129.0 0.657 192.7 2130.0 0.659 191.4 2131.0 0.661 190.1 2132.0 0.663 188.8 2133.0 0.666 187.5 2134.0 0.668 186.2 2135.0 0.670 184.9 2136.0 0.672 183.7 2137.0 0.675 182.4 2138.0 0.677 181.2 2139.0 0.680 179.9 2140.0 0.682 178.7 2141.0 0.685 177.5 2142.0 0.688 176.2 2143.0 0.690 175.0 2144.0 0.693 173.8 2145.0 0.696 172.7 2146.0 0.699 171.5 2147.0 0.701 170.3 2148.0 0.704 169.2 2149.0 0.707 168.0 2150.0 0.710 166.9 2151.0 0.713 165.7 2152.0 0.716 164.6 2153.0 0.719 163.5 2154.0 0.722 162.4 2155.0 0.726 161.3 2156.0 0.729 160.2 2157.0 0.732 159.2 2158.0 0.735 158.1 2159.0 0.738 157.0 2160.0 0.742 156.0 2161.0 0.745 155.0 2162.0 0.748 153.9 2163.0 0.752 152.9 2164.0 0.755 151.9