| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 17:16:14 |
| WDS: | HU1568 | WDS ID/Discoverer |
| P: | 307.490 | Orbital period (years) |
| a: | 1.025 | Semi-major axis (arcseconds) |
| i: | 109.5 | Inclination (degrees) |
| Ω: | 171.3 | Longitude of ascending node (degrees) |
| T: | 2021.620 | Epoch of periastron passage (year) |
| e: | 0.391 | Eccentricity |
| ω: | 76.7 | Longitude of periastron (degrees) |
| Start-Year: | 1872.0 | Year |
| End-Year: | 2178.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 054149.29-500015.3 | Epoch-2000 right ascension and declination |
| WDS-ID: | 05418-5000 | WDS designation |
| Discoverer Code: | HU1568 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 38255 | HD catalog number |
| Hipparcos number: | 26830 | Hipparcos catalog number |
| V1: | 9.34 | Magnitude of the primary |
| V2: | 9.42 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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 0.212 91.7 ------------------------- 1872.0 0.540 291.5 1873.0 0.534 290.2 1874.0 0.528 288.9 1875.0 0.523 287.5 1876.0 0.517 286.1 1877.0 0.512 284.7 1878.0 0.507 283.2 1879.0 0.502 281.7 1880.0 0.498 280.2 1881.0 0.493 278.7 1882.0 0.489 277.1 1883.0 0.486 275.5 1884.0 0.483 273.9 1885.0 0.479 272.3 1886.0 0.477 270.6 1887.0 0.474 269.0 1888.0 0.472 267.3 1889.0 0.471 265.6 1890.0 0.469 263.9 1891.0 0.468 262.1 1892.0 0.468 260.4 1893.0 0.467 258.7 1894.0 0.467 257.0 1895.0 0.468 255.2 1896.0 0.468 253.5 1897.0 0.469 251.8 1898.0 0.471 250.1 1899.0 0.473 248.4 1900.0 0.475 246.7 1901.0 0.477 245.0 1902.0 0.480 243.4 1903.0 0.483 241.7 1904.0 0.486 240.1 1905.0 0.490 238.5 1906.0 0.494 237.0 1907.0 0.498 235.4 1908.0 0.502 233.9 1909.0 0.507 232.4 1910.0 0.512 231.0 1911.0 0.517 229.6 1912.0 0.522 228.2 1913.0 0.528 226.8 1914.0 0.534 225.4 1915.0 0.540 224.1 1916.0 0.546 222.8 1917.0 0.552 221.6 1918.0 0.559 220.4 1919.0 0.565 219.2 1920.0 0.572 218.0 1921.0 0.579 216.9 1922.0 0.586 215.8 1923.0 0.593 214.7 1924.0 0.600 213.6 1925.0 0.607 212.6 1926.0 0.615 211.6 1927.0 0.622 210.6 1928.0 0.629 209.6 1929.0 0.637 208.7 1930.0 0.644 207.7 1931.0 0.652 206.8 1932.0 0.659 206.0 1933.0 0.667 205.1 1934.0 0.674 204.3 1935.0 0.681 203.4 1936.0 0.689 202.6 1937.0 0.696 201.8 1938.0 0.704 201.1 1939.0 0.711 200.3 1940.0 0.718 199.6 1941.0 0.725 198.8 1942.0 0.732 198.1 1943.0 0.739 197.4 1944.0 0.746 196.7 1945.0 0.753 196.1 1946.0 0.760 195.4 1947.0 0.766 194.8 1948.0 0.773 194.1 1949.0 0.779 193.5 1950.0 0.785 192.9 1951.0 0.791 192.3 1952.0 0.797 191.7 1953.0 0.802 191.1 1954.0 0.808 190.5 1955.0 0.813 189.9 1956.0 0.818 189.4 1957.0 0.823 188.8 1958.0 0.828 188.2 1959.0 0.832 187.7 1960.0 0.836 187.1 1961.0 0.840 186.6 1962.0 0.844 186.1 1963.0 0.848 185.5 1964.0 0.851 185.0 1965.0 0.854 184.5 1966.0 0.856 184.0 1967.0 0.858 183.5 1968.0 0.860 183.0 1969.0 0.862 182.5 1970.0 0.863 181.9 1971.0 0.864 181.4 1972.0 0.865 180.9 1973.0 0.865 180.4 1974.0 0.865 179.9 1975.0 0.864 179.4 1976.0 0.863 178.9 1977.0 0.862 178.4 1978.0 0.860 177.9 1979.0 0.858 177.4 1980.0 0.855 176.9 1981.0 0.851 176.3 1982.0 0.848 175.8 1983.0 0.843 175.3 1984.0 0.839 174.8 1985.0 0.833 174.2 1986.0 0.827 173.7 1987.0 0.821 173.1 1988.0 0.814 172.5 1989.0 0.806 172.0 1990.0 0.798 171.4 1991.0 0.789 170.8 1992.0 0.779 170.2 1993.0 0.769 169.5 1994.0 0.758 168.9 1995.0 0.747 168.2 1996.0 0.735 167.5 1997.0 0.722 166.8 1998.0 0.708 166.1 1999.0 0.694 165.3 2000.0 0.679 164.5 2001.0 0.664 163.7 2002.0 0.647 162.8 2003.0 0.630 161.9 2004.0 0.613 160.9 2005.0 0.595 159.9 2006.0 0.576 158.8 2007.0 0.556 157.6 2008.0 0.536 156.3 2009.0 0.515 154.9 2010.0 0.494 153.5 2011.0 0.472 151.8 2012.0 0.450 150.1 2013.0 0.428 148.1 2014.0 0.406 145.9 2015.0 0.383 143.5 2016.0 0.361 140.8 2017.0 0.339 137.7 2018.0 0.317 134.2 2019.0 0.297 130.1 2020.0 0.277 125.5 2021.0 0.259 120.3 2022.0 0.243 114.2 2023.0 0.229 107.4 2024.0 0.219 99.9 2025.0 0.212 91.7 2026.0 0.210 83.2 2027.0 0.212 74.7 2028.0 0.218 66.4 2029.0 0.228 58.8 2030.0 0.241 51.9 2031.0 0.257 45.8 2032.0 0.275 40.4 2033.0 0.294 35.7 2034.0 0.315 31.7 2035.0 0.337 28.1 2036.0 0.359 25.0 2037.0 0.382 22.2 2038.0 0.405 19.8 2039.0 0.428 17.6 2040.0 0.451 15.7 2041.0 0.474 13.9 2042.0 0.497 12.3 2043.0 0.519 10.8 2044.0 0.542 9.5 2045.0 0.563 8.3 2046.0 0.585 7.1 2047.0 0.605 6.0 2048.0 0.626 5.0 2049.0 0.646 4.1 2050.0 0.665 3.2 2051.0 0.684 2.4 2052.0 0.703 1.6 2053.0 0.720 0.9 2054.0 0.738 0.2 2055.0 0.755 359.5 2056.0 0.771 358.8 2057.0 0.787 358.2 2058.0 0.802 357.6 2059.0 0.817 357.0 2060.0 0.831 356.5 2061.0 0.845 355.9 2062.0 0.858 355.4 2063.0 0.871 354.9 2064.0 0.883 354.4 2065.0 0.894 353.9 2066.0 0.906 353.5 2067.0 0.916 353.0 2068.0 0.927 352.6 2069.0 0.936 352.1 2070.0 0.946 351.7 2071.0 0.954 351.3 2072.0 0.963 350.9 2073.0 0.971 350.5 2074.0 0.978 350.1 2075.0 0.986 349.7 2076.0 0.992 349.3 2077.0 0.999 348.9 2078.0 1.005 348.5 2079.0 1.010 348.2 2080.0 1.015 347.8 2081.0 1.020 347.4 2082.0 1.024 347.1 2083.0 1.028 346.7 2084.0 1.032 346.4 2085.0 1.035 346.0 2086.0 1.038 345.6 2087.0 1.041 345.3 2088.0 1.043 344.9 2089.0 1.045 344.6 2090.0 1.047 344.3 2091.0 1.049 343.9 2092.0 1.050 343.6 2093.0 1.050 343.2 2094.0 1.051 342.9 2095.0 1.051 342.5 2096.0 1.051 342.2 2097.0 1.051 341.9 2098.0 1.050 341.5 2099.0 1.049 341.2 2100.0 1.048 340.8 2101.0 1.047 340.5 2102.0 1.045 340.1 2103.0 1.043 339.8 2104.0 1.041 339.4 2105.0 1.039 339.1 2106.0 1.036 338.7 2107.0 1.034 338.4 2108.0 1.031 338.0 2109.0 1.027 337.7 2110.0 1.024 337.3 2111.0 1.021 337.0 2112.0 1.017 336.6 2113.0 1.013 336.2 2114.0 1.009 335.9 2115.0 1.004 335.5 2116.0 1.000 335.1 2117.0 0.995 334.7 2118.0 0.990 334.3 2119.0 0.985 334.0 2120.0 0.980 333.6 2121.0 0.974 333.2 2122.0 0.969 332.8 2123.0 0.963 332.4 2124.0 0.958 332.0 2125.0 0.952 331.5 2126.0 0.945 331.1 2127.0 0.939 330.7 2128.0 0.933 330.3 2129.0 0.926 329.8 2130.0 0.920 329.4 2131.0 0.913 328.9 2132.0 0.906 328.5 2133.0 0.899 328.0 2134.0 0.892 327.5 2135.0 0.885 327.1 2136.0 0.878 326.6 2137.0 0.871 326.1 2138.0 0.863 325.6 2139.0 0.856 325.1 2140.0 0.848 324.5 2141.0 0.840 324.0 2142.0 0.833 323.5 2143.0 0.825 322.9 2144.0 0.817 322.4 2145.0 0.809 321.8 2146.0 0.801 321.2 2147.0 0.793 320.6 2148.0 0.785 320.0 2149.0 0.777 319.4 2150.0 0.769 318.8 2151.0 0.760 318.1 2152.0 0.752 317.4 2153.0 0.744 316.8 2154.0 0.736 316.1 2155.0 0.727 315.4 2156.0 0.719 314.7 2157.0 0.711 313.9 2158.0 0.703 313.2 2159.0 0.694 312.4 2160.0 0.686 311.6 2161.0 0.678 310.8 2162.0 0.670 309.9 2163.0 0.662 309.1 2164.0 0.654 308.2 2165.0 0.646 307.3 2166.0 0.638 306.4 2167.0 0.630 305.5 2168.0 0.622 304.5 2169.0 0.614 303.5 2170.0 0.607 302.5 2171.0 0.599 301.5 2172.0 0.592 300.4 2173.0 0.584 299.3 2174.0 0.577 298.2 2175.0 0.570 297.0 2176.0 0.563 295.9 2177.0 0.556 294.6