| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:28:41 |
| WDS: | DON17 | WDS ID/Discoverer |
| P: | 374.193 | Orbital period (years) |
| a: | 1.15202 | Semi-major axis (arcseconds) |
| i: | 47.47 | Inclination (degrees) |
| Ω: | 134.941 | Longitude of ascending node (degrees) |
| T: | 1948.745 | Epoch of periastron passage (year) |
| e: | 0.8491 | Eccentricity |
| ω: | 347.654 | Longitude of periastron (degrees) |
| Start-Year: | 1838.0 | Year |
| End-Year: | 2212.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 012609.45-675033.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01262-6751 | WDS designation |
| Discoverer Code: | DON17 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 8944 | HD catalog number |
| Hipparcos number: | 6703 | Hipparcos catalog number |
| V1: | 8.81 | Magnitude of the primary |
| V2: | 9.81 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 1.464 291.8 ------------------------- 1838.0 1.887 314.9 1839.0 1.880 315.0 1840.0 1.873 315.2 1841.0 1.866 315.3 1842.0 1.859 315.4 1843.0 1.852 315.6 1844.0 1.845 315.7 1845.0 1.837 315.8 1846.0 1.830 316.0 1847.0 1.822 316.1 1848.0 1.815 316.2 1849.0 1.807 316.4 1850.0 1.799 316.5 1851.0 1.791 316.7 1852.0 1.783 316.8 1853.0 1.774 316.9 1854.0 1.766 317.1 1855.0 1.757 317.2 1856.0 1.748 317.4 1857.0 1.740 317.5 1858.0 1.731 317.7 1859.0 1.722 317.8 1860.0 1.712 318.0 1861.0 1.703 318.2 1862.0 1.693 318.3 1863.0 1.684 318.5 1864.0 1.674 318.6 1865.0 1.664 318.8 1866.0 1.654 319.0 1867.0 1.644 319.1 1868.0 1.634 319.3 1869.0 1.623 319.5 1870.0 1.612 319.6 1871.0 1.602 319.8 1872.0 1.591 320.0 1873.0 1.580 320.2 1874.0 1.568 320.4 1875.0 1.557 320.6 1876.0 1.545 320.7 1877.0 1.534 320.9 1878.0 1.522 321.1 1879.0 1.510 321.3 1880.0 1.498 321.5 1881.0 1.485 321.7 1882.0 1.473 321.9 1883.0 1.460 322.2 1884.0 1.447 322.4 1885.0 1.434 322.6 1886.0 1.421 322.8 1887.0 1.407 323.0 1888.0 1.394 323.3 1889.0 1.380 323.5 1890.0 1.366 323.8 1891.0 1.352 324.0 1892.0 1.337 324.3 1893.0 1.323 324.5 1894.0 1.308 324.8 1895.0 1.293 325.0 1896.0 1.278 325.3 1897.0 1.262 325.6 1898.0 1.246 325.9 1899.0 1.230 326.2 1900.0 1.214 326.5 1901.0 1.198 326.8 1902.0 1.181 327.1 1903.0 1.164 327.5 1904.0 1.147 327.8 1905.0 1.130 328.2 1906.0 1.112 328.5 1907.0 1.094 328.9 1908.0 1.076 329.3 1909.0 1.058 329.7 1910.0 1.039 330.1 1911.0 1.020 330.5 1912.0 1.000 331.0 1913.0 0.981 331.4 1914.0 0.961 331.9 1915.0 0.940 332.4 1916.0 0.920 333.0 1917.0 0.899 333.5 1918.0 0.877 334.1 1919.0 0.855 334.7 1920.0 0.833 335.3 1921.0 0.811 336.0 1922.0 0.788 336.7 1923.0 0.764 337.5 1924.0 0.740 338.3 1925.0 0.716 339.1 1926.0 0.691 340.1 1927.0 0.666 341.1 1928.0 0.640 342.1 1929.0 0.614 343.3 1930.0 0.587 344.5 1931.0 0.560 345.9 1932.0 0.532 347.5 1933.0 0.504 349.2 1934.0 0.475 351.1 1935.0 0.445 353.2 1936.0 0.415 355.7 1937.0 0.385 358.5 1938.0 0.354 1.9 1939.0 0.323 5.9 1940.0 0.292 10.7 1941.0 0.261 16.7 1942.0 0.232 24.2 1943.0 0.205 33.9 1944.0 0.182 46.1 1945.0 0.166 61.3 1946.0 0.158 78.9 1947.0 0.159 97.2 1948.0 0.166 114.6 1949.0 0.174 130.4 1950.0 0.180 145.0 1951.0 0.184 158.7 1952.0 0.189 171.8 1953.0 0.197 184.1 1954.0 0.207 195.3 1955.0 0.220 205.4 1956.0 0.237 214.1 1957.0 0.256 221.7 1958.0 0.276 228.1 1959.0 0.298 233.7 1960.0 0.321 238.4 1961.0 0.344 242.6 1962.0 0.367 246.2 1963.0 0.391 249.4 1964.0 0.415 252.2 1965.0 0.439 254.7 1966.0 0.462 256.9 1967.0 0.486 258.9 1968.0 0.509 260.8 1969.0 0.532 262.5 1970.0 0.555 264.0 1971.0 0.578 265.4 1972.0 0.600 266.7 1973.0 0.622 268.0 1974.0 0.644 269.1 1975.0 0.666 270.2 1976.0 0.687 271.2 1977.0 0.708 272.1 1978.0 0.729 273.0 1979.0 0.749 273.8 1980.0 0.769 274.6 1981.0 0.789 275.4 1982.0 0.809 276.1 1983.0 0.828 276.7 1984.0 0.848 277.4 1985.0 0.867 278.0 1986.0 0.885 278.6 1987.0 0.904 279.2 1988.0 0.922 279.7 1989.0 0.940 280.3 1990.0 0.958 280.8 1991.0 0.976 281.2 1992.0 0.993 281.7 1993.0 1.010 282.2 1994.0 1.027 282.6 1995.0 1.044 283.0 1996.0 1.060 283.5 1997.0 1.077 283.9 1998.0 1.093 284.2 1999.0 1.109 284.6 2000.0 1.125 285.0 2001.0 1.140 285.3 2002.0 1.156 285.7 2003.0 1.171 286.0 2004.0 1.186 286.3 2005.0 1.201 286.7 2006.0 1.215 287.0 2007.0 1.230 287.3 2008.0 1.244 287.6 2009.0 1.258 287.9 2010.0 1.272 288.2 2011.0 1.286 288.4 2012.0 1.300 288.7 2013.0 1.313 289.0 2014.0 1.327 289.2 2015.0 1.340 289.5 2016.0 1.353 289.7 2017.0 1.366 290.0 2018.0 1.379 290.2 2019.0 1.392 290.5 2020.0 1.404 290.7 2021.0 1.416 290.9 2022.0 1.429 291.2 2023.0 1.441 291.4 2024.0 1.453 291.6 2025.0 1.464 291.8 2026.0 1.476 292.0 2027.0 1.488 292.2 2028.0 1.499 292.4 2029.0 1.510 292.6 2030.0 1.521 292.8 2031.0 1.532 293.0 2032.0 1.543 293.2 2033.0 1.554 293.4 2034.0 1.564 293.6 2035.0 1.575 293.8 2036.0 1.585 294.0 2037.0 1.596 294.2 2038.0 1.606 294.3 2039.0 1.616 294.5 2040.0 1.626 294.7 2041.0 1.635 294.9 2042.0 1.645 295.0 2043.0 1.654 295.2 2044.0 1.664 295.4 2045.0 1.673 295.5 2046.0 1.682 295.7 2047.0 1.691 295.8 2048.0 1.700 296.0 2049.0 1.709 296.2 2050.0 1.718 296.3 2051.0 1.727 296.5 2052.0 1.735 296.6 2053.0 1.743 296.8 2054.0 1.752 296.9 2055.0 1.760 297.1 2056.0 1.768 297.2 2057.0 1.776 297.4 2058.0 1.784 297.5 2059.0 1.792 297.6 2060.0 1.799 297.8 2061.0 1.807 297.9 2062.0 1.814 298.1 2063.0 1.822 298.2 2064.0 1.829 298.3 2065.0 1.836 298.5 2066.0 1.843 298.6 2067.0 1.850 298.7 2068.0 1.857 298.9 2069.0 1.863 299.0 2070.0 1.870 299.1 2071.0 1.877 299.3 2072.0 1.883 299.4 2073.0 1.889 299.5 2074.0 1.896 299.7 2075.0 1.902 299.8 2076.0 1.908 299.9 2077.0 1.914 300.0 2078.0 1.920 300.2 2079.0 1.925 300.3 2080.0 1.931 300.4 2081.0 1.937 300.5 2082.0 1.942 300.6 2083.0 1.947 300.8 2084.0 1.953 300.9 2085.0 1.958 301.0 2086.0 1.963 301.1 2087.0 1.968 301.2 2088.0 1.973 301.4 2089.0 1.978 301.5 2090.0 1.983 301.6 2091.0 1.987 301.7 2092.0 1.992 301.8 2093.0 1.996 301.9 2094.0 2.001 302.0 2095.0 2.005 302.2 2096.0 2.009 302.3 2097.0 2.013 302.4 2098.0 2.017 302.5 2099.0 2.021 302.6 2100.0 2.025 302.7 2101.0 2.029 302.8 2102.0 2.032 302.9 2103.0 2.036 303.1 2104.0 2.039 303.2 2105.0 2.043 303.3 2106.0 2.046 303.4 2107.0 2.049 303.5 2108.0 2.052 303.6 2109.0 2.055 303.7 2110.0 2.058 303.8 2111.0 2.061 303.9 2112.0 2.064 304.0 2113.0 2.066 304.1 2114.0 2.069 304.2 2115.0 2.071 304.4 2116.0 2.074 304.5 2117.0 2.076 304.6 2118.0 2.078 304.7 2119.0 2.081 304.8 2120.0 2.083 304.9 2121.0 2.085 305.0 2122.0 2.086 305.1 2123.0 2.088 305.2 2124.0 2.090 305.3 2125.0 2.092 305.4 2126.0 2.093 305.5 2127.0 2.095 305.6 2128.0 2.096 305.7 2129.0 2.097 305.8 2130.0 2.098 305.9 2131.0 2.099 306.0 2132.0 2.101 306.1 2133.0 2.101 306.2 2134.0 2.102 306.3 2135.0 2.103 306.4 2136.0 2.104 306.5 2137.0 2.104 306.6 2138.0 2.105 306.7 2139.0 2.105 306.9 2140.0 2.105 307.0 2141.0 2.106 307.1 2142.0 2.106 307.2 2143.0 2.106 307.3 2144.0 2.106 307.4 2145.0 2.106 307.5 2146.0 2.106 307.6 2147.0 2.105 307.7 2148.0 2.105 307.8 2149.0 2.104 307.9 2150.0 2.104 308.0 2151.0 2.103 308.1 2152.0 2.102 308.2 2153.0 2.102 308.3 2154.0 2.101 308.4 2155.0 2.100 308.5 2156.0 2.099 308.6 2157.0 2.097 308.7 2158.0 2.096 308.8 2159.0 2.095 308.9 2160.0 2.093 309.0 2161.0 2.092 309.1 2162.0 2.090 309.2 2163.0 2.088 309.3 2164.0 2.087 309.4 2165.0 2.085 309.5 2166.0 2.083 309.6 2167.0 2.081 309.7 2168.0 2.079 309.9 2169.0 2.076 310.0 2170.0 2.074 310.1 2171.0 2.071 310.2 2172.0 2.069 310.3 2173.0 2.066 310.4 2174.0 2.064 310.5 2175.0 2.061 310.6 2176.0 2.058 310.7 2177.0 2.055 310.8 2178.0 2.052 310.9 2179.0 2.049 311.0 2180.0 2.045 311.1 2181.0 2.042 311.2 2182.0 2.038 311.4 2183.0 2.035 311.5 2184.0 2.031 311.6 2185.0 2.027 311.7 2186.0 2.024 311.8 2187.0 2.020 311.9 2188.0 2.016 312.0 2189.0 2.011 312.1 2190.0 2.007 312.2 2191.0 2.003 312.4 2192.0 1.998 312.5 2193.0 1.994 312.6 2194.0 1.989 312.7 2195.0 1.984 312.8 2196.0 1.980 312.9 2197.0 1.975 313.1 2198.0 1.970 313.2 2199.0 1.964 313.3 2200.0 1.959 313.4 2201.0 1.954 313.5 2202.0 1.948 313.6 2203.0 1.943 313.8 2204.0 1.937 313.9 2205.0 1.931 314.0 2206.0 1.925 314.1 2207.0 1.919 314.3 2208.0 1.913 314.4 2209.0 1.907 314.5 2210.0 1.901 314.6 2211.0 1.894 314.8