| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:54:24 |
| WDS: | B1663 | WDS ID/Discoverer |
| P: | 295.000 | Orbital period (years) |
| a: | 1.912 | Semi-major axis (arcseconds) |
| i: | 103.3 | Inclination (degrees) |
| Ω: | 125.5 | Longitude of ascending node (degrees) |
| T: | 1808.150 | Epoch of periastron passage (year) |
| e: | 0.4 | Eccentricity |
| ω: | 259.1 | Longitude of periastron (degrees) |
| Start-Year: | 1878.0 | Year |
| End-Year: | 2172.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 094846.74-523656.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 09488-5237 | WDS designation |
| Discoverer Code: | B1663 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 85228 | HD catalog number |
| Hipparcos number: | 48133 | Hipparcos catalog number |
| V1: | 8.10 | Magnitude of the primary |
| V2: | 11.75 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | 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 1.316 324.6 ------------------------- 1878.0 1.909 118.7 1879.0 1.907 118.4 1880.0 1.904 118.1 1881.0 1.900 117.9 1882.0 1.896 117.6 1883.0 1.892 117.4 1884.0 1.887 117.1 1885.0 1.881 116.8 1886.0 1.875 116.6 1887.0 1.868 116.3 1888.0 1.861 116.0 1889.0 1.854 115.8 1890.0 1.846 115.5 1891.0 1.837 115.2 1892.0 1.829 114.9 1893.0 1.819 114.6 1894.0 1.810 114.4 1895.0 1.800 114.1 1896.0 1.789 113.8 1897.0 1.778 113.5 1898.0 1.767 113.2 1899.0 1.755 112.9 1900.0 1.743 112.6 1901.0 1.731 112.3 1902.0 1.719 111.9 1903.0 1.706 111.6 1904.0 1.692 111.3 1905.0 1.679 111.0 1906.0 1.665 110.6 1907.0 1.650 110.3 1908.0 1.636 109.9 1909.0 1.621 109.6 1910.0 1.606 109.2 1911.0 1.591 108.9 1912.0 1.575 108.5 1913.0 1.559 108.1 1914.0 1.543 107.7 1915.0 1.527 107.3 1916.0 1.510 106.9 1917.0 1.494 106.5 1918.0 1.477 106.1 1919.0 1.460 105.6 1920.0 1.442 105.2 1921.0 1.425 104.7 1922.0 1.407 104.2 1923.0 1.389 103.8 1924.0 1.371 103.3 1925.0 1.353 102.8 1926.0 1.335 102.2 1927.0 1.316 101.7 1928.0 1.298 101.2 1929.0 1.279 100.6 1930.0 1.260 100.0 1931.0 1.242 99.4 1932.0 1.223 98.8 1933.0 1.204 98.1 1934.0 1.185 97.5 1935.0 1.166 96.8 1936.0 1.147 96.1 1937.0 1.127 95.4 1938.0 1.108 94.6 1939.0 1.089 93.8 1940.0 1.070 93.0 1941.0 1.051 92.2 1942.0 1.032 91.3 1943.0 1.013 90.4 1944.0 0.994 89.5 1945.0 0.976 88.5 1946.0 0.957 87.5 1947.0 0.938 86.5 1948.0 0.920 85.4 1949.0 0.902 84.2 1950.0 0.884 83.1 1951.0 0.867 81.8 1952.0 0.849 80.6 1953.0 0.832 79.2 1954.0 0.815 77.8 1955.0 0.799 76.4 1956.0 0.783 74.9 1957.0 0.767 73.3 1958.0 0.752 71.7 1959.0 0.738 70.0 1960.0 0.724 68.2 1961.0 0.710 66.4 1962.0 0.698 64.5 1963.0 0.686 62.6 1964.0 0.674 60.5 1965.0 0.663 58.4 1966.0 0.654 56.2 1967.0 0.645 54.0 1968.0 0.637 51.7 1969.0 0.630 49.4 1970.0 0.623 47.0 1971.0 0.618 44.5 1972.0 0.614 42.1 1973.0 0.611 39.5 1974.0 0.609 37.0 1975.0 0.608 34.5 1976.0 0.608 31.9 1977.0 0.610 29.4 1978.0 0.612 26.9 1979.0 0.616 24.4 1980.0 0.620 21.9 1981.0 0.626 19.5 1982.0 0.632 17.1 1983.0 0.640 14.8 1984.0 0.648 12.5 1985.0 0.657 10.3 1986.0 0.667 8.2 1987.0 0.678 6.1 1988.0 0.690 4.1 1989.0 0.702 2.1 1990.0 0.715 0.3 1991.0 0.729 358.5 1992.0 0.743 356.7 1993.0 0.757 355.0 1994.0 0.773 353.4 1995.0 0.788 351.9 1996.0 0.804 350.4 1997.0 0.820 349.0 1998.0 0.837 347.6 1999.0 0.854 346.3 2000.0 0.871 345.0 2001.0 0.888 343.8 2002.0 0.906 342.6 2003.0 0.924 341.5 2004.0 0.942 340.4 2005.0 0.960 339.4 2006.0 0.978 338.4 2007.0 0.996 337.4 2008.0 1.015 336.5 2009.0 1.033 335.6 2010.0 1.051 334.7 2011.0 1.070 333.9 2012.0 1.088 333.1 2013.0 1.106 332.3 2014.0 1.125 331.6 2015.0 1.143 330.8 2016.0 1.161 330.1 2017.0 1.179 329.4 2018.0 1.197 328.8 2019.0 1.214 328.1 2020.0 1.232 327.5 2021.0 1.249 326.9 2022.0 1.266 326.3 2023.0 1.283 325.7 2024.0 1.300 325.1 2025.0 1.316 324.6 2026.0 1.333 324.1 2027.0 1.349 323.5 2028.0 1.364 323.0 2029.0 1.380 322.5 2030.0 1.395 322.0 2031.0 1.410 321.5 2032.0 1.424 321.1 2033.0 1.438 320.6 2034.0 1.452 320.2 2035.0 1.465 319.7 2036.0 1.478 319.3 2037.0 1.490 318.9 2038.0 1.502 318.4 2039.0 1.514 318.0 2040.0 1.525 317.6 2041.0 1.536 317.2 2042.0 1.546 316.8 2043.0 1.555 316.4 2044.0 1.564 316.1 2045.0 1.573 315.7 2046.0 1.581 315.3 2047.0 1.588 314.9 2048.0 1.595 314.5 2049.0 1.601 314.2 2050.0 1.606 313.8 2051.0 1.610 313.4 2052.0 1.614 313.1 2053.0 1.617 312.7 2054.0 1.620 312.4 2055.0 1.621 312.0 2056.0 1.622 311.6 2057.0 1.622 311.3 2058.0 1.621 310.9 2059.0 1.619 310.6 2060.0 1.616 310.2 2061.0 1.612 309.9 2062.0 1.608 309.5 2063.0 1.602 309.1 2064.0 1.595 308.8 2065.0 1.587 308.4 2066.0 1.578 308.0 2067.0 1.568 307.6 2068.0 1.556 307.2 2069.0 1.544 306.9 2070.0 1.530 306.5 2071.0 1.515 306.1 2072.0 1.499 305.6 2073.0 1.481 305.2 2074.0 1.462 304.8 2075.0 1.442 304.3 2076.0 1.420 303.9 2077.0 1.396 303.4 2078.0 1.372 302.9 2079.0 1.345 302.4 2080.0 1.318 301.9 2081.0 1.288 301.3 2082.0 1.257 300.7 2083.0 1.225 300.1 2084.0 1.191 299.5 2085.0 1.156 298.8 2086.0 1.119 298.1 2087.0 1.080 297.3 2088.0 1.040 296.5 2089.0 0.998 295.5 2090.0 0.956 294.6 2091.0 0.911 293.5 2092.0 0.866 292.3 2093.0 0.819 291.0 2094.0 0.772 289.5 2095.0 0.723 287.8 2096.0 0.674 285.9 2097.0 0.624 283.6 2098.0 0.574 281.0 2099.0 0.525 277.9 2100.0 0.476 274.1 2101.0 0.429 269.5 2102.0 0.384 263.8 2103.0 0.344 256.6 2104.0 0.309 247.8 2105.0 0.283 236.9 2106.0 0.268 224.4 2107.0 0.266 211.1 2108.0 0.278 198.3 2109.0 0.302 187.1 2110.0 0.335 177.7 2111.0 0.375 170.2 2112.0 0.419 164.2 2113.0 0.466 159.4 2114.0 0.514 155.4 2115.0 0.564 152.2 2116.0 0.614 149.5 2117.0 0.665 147.2 2118.0 0.715 145.2 2119.0 0.765 143.5 2120.0 0.814 142.0 2121.0 0.862 140.6 2122.0 0.910 139.4 2123.0 0.956 138.4 2124.0 1.002 137.4 2125.0 1.046 136.5 2126.0 1.090 135.6 2127.0 1.132 134.9 2128.0 1.173 134.2 2129.0 1.213 133.5 2130.0 1.251 132.9 2131.0 1.289 132.3 2132.0 1.325 131.8 2133.0 1.359 131.2 2134.0 1.393 130.7 2135.0 1.425 130.3 2136.0 1.457 129.8 2137.0 1.487 129.4 2138.0 1.515 129.0 2139.0 1.543 128.6 2140.0 1.569 128.2 2141.0 1.595 127.8 2142.0 1.619 127.4 2143.0 1.642 127.1 2144.0 1.664 126.7 2145.0 1.684 126.4 2146.0 1.704 126.1 2147.0 1.723 125.8 2148.0 1.741 125.4 2149.0 1.758 125.1 2150.0 1.773 124.8 2151.0 1.788 124.5 2152.0 1.802 124.2 2153.0 1.815 124.0 2154.0 1.827 123.7 2155.0 1.838 123.4 2156.0 1.849 123.1 2157.0 1.858 122.8 2158.0 1.867 122.6 2159.0 1.875 122.3 2160.0 1.882 122.0 2161.0 1.888 121.8 2162.0 1.894 121.5 2163.0 1.898 121.2 2164.0 1.903 121.0 2165.0 1.906 120.7 2166.0 1.909 120.5 2167.0 1.911 120.2 2168.0 1.912 120.0 2169.0 1.913 119.7 2170.0 1.913 119.4 2171.0 1.912 119.2