| 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: | 1837.9033 | Year |
| End-Year: | 2212.0967 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for DON17 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Izm2019 | Reference |
-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --
| Green plus signs: | Visual (micrometric) measures |
| Violet asterisks: | Photographic measures |
| Blue symbols: | Various interferometric techniques |
| Dot-dash line: | Indicates the line of nodes |
Year Sep[“] PA[°] --------------------------------------------- 2026.50 1.482 292.13 -------------------------- 1837.90 1.887 314.90 1838.90 1.881 315.03 1839.90 1.874 315.15 1840.90 1.867 315.29 1841.90 1.860 315.42 1842.90 1.853 315.55 1843.90 1.846 315.68 1844.90 1.838 315.82 1845.90 1.831 315.95 1846.90 1.823 316.09 1847.90 1.815 316.23 1848.90 1.808 316.37 1849.90 1.800 316.51 1850.90 1.792 316.65 1851.90 1.783 316.79 1852.90 1.775 316.93 1853.90 1.767 317.08 1854.90 1.758 317.23 1855.90 1.749 317.37 1856.90 1.741 317.52 1857.90 1.732 317.67 1858.90 1.722 317.83 1859.90 1.713 317.98 1860.90 1.704 318.14 1861.90 1.694 318.30 1862.90 1.685 318.46 1863.90 1.675 318.62 1864.90 1.665 318.78 1865.90 1.655 318.95 1866.90 1.645 319.11 1867.90 1.635 319.28 1868.90 1.624 319.46 1869.90 1.613 319.63 1870.90 1.603 319.81 1871.90 1.592 319.98 1872.90 1.581 320.17 1873.90 1.570 320.35 1874.90 1.558 320.54 1875.90 1.547 320.72 1876.90 1.535 320.92 1877.90 1.523 321.11 1878.90 1.511 321.31 1879.90 1.499 321.51 1880.90 1.486 321.72 1881.90 1.474 321.92 1882.90 1.461 322.14 1883.90 1.448 322.35 1884.90 1.435 322.57 1885.90 1.422 322.79 1886.90 1.409 323.02 1887.90 1.395 323.25 1888.90 1.381 323.49 1889.90 1.367 323.73 1890.90 1.353 323.98 1891.90 1.339 324.23 1892.90 1.324 324.49 1893.90 1.309 324.75 1894.90 1.294 325.02 1895.90 1.279 325.29 1896.90 1.264 325.58 1897.90 1.248 325.87 1898.90 1.232 326.16 1899.90 1.216 326.47 1900.90 1.200 326.78 1901.90 1.183 327.10 1902.90 1.166 327.43 1903.90 1.149 327.77 1904.90 1.132 328.12 1905.90 1.114 328.48 1906.90 1.096 328.86 1907.90 1.078 329.24 1908.90 1.059 329.64 1909.90 1.041 330.05 1910.90 1.022 330.48 1911.90 1.002 330.93 1912.90 0.983 331.39 1913.90 0.963 331.87 1914.90 0.942 332.38 1915.90 0.922 332.90 1916.90 0.901 333.45 1917.90 0.879 334.03 1918.90 0.858 334.63 1919.90 0.835 335.27 1920.90 0.813 335.94 1921.90 0.790 336.65 1922.90 0.767 337.40 1923.90 0.743 338.20 1924.90 0.719 339.05 1925.90 0.694 339.97 1926.90 0.669 340.95 1927.90 0.643 342.01 1928.90 0.617 343.16 1929.90 0.590 344.41 1930.90 0.563 345.79 1931.90 0.535 347.30 1932.90 0.507 348.98 1933.90 0.478 350.87 1934.90 0.448 353.00 1935.90 0.418 355.43 1936.90 0.388 358.24 1937.90 0.357 1.53 1938.90 0.326 5.46 1939.90 0.295 10.21 1940.90 0.264 16.07 1941.90 0.235 23.43 1942.90 0.207 32.82 1943.90 0.184 44.81 1944.90 0.167 59.75 1945.90 0.158 77.15 1946.90 0.159 95.46 1947.90 0.165 112.98 1948.90 0.173 128.96 1949.90 0.179 143.64 1950.90 0.184 157.45 1951.90 0.189 170.59 1952.90 0.196 182.95 1953.90 0.206 194.31 1954.90 0.219 204.45 1955.90 0.235 213.32 1956.90 0.254 220.98 1957.90 0.274 227.54 1958.90 0.296 233.16 1959.90 0.318 238.01 1960.90 0.342 242.20 1961.90 0.365 245.85 1962.90 0.389 249.06 1963.90 0.413 251.90 1964.90 0.437 254.43 1965.90 0.460 256.70 1966.90 0.484 258.75 1967.90 0.507 260.61 1968.90 0.530 262.31 1969.90 0.553 263.86 1970.90 0.576 265.29 1971.90 0.598 266.62 1972.90 0.620 267.85 1973.90 0.642 268.99 1974.90 0.664 270.06 1975.90 0.685 271.06 1976.90 0.706 272.01 1977.90 0.727 272.90 1978.90 0.747 273.73 1979.90 0.767 274.53 1980.90 0.787 275.28 1981.90 0.807 276.00 1982.90 0.827 276.68 1983.90 0.846 277.34 1984.90 0.865 277.96 1985.90 0.884 278.56 1986.90 0.902 279.13 1987.90 0.920 279.68 1988.90 0.938 280.21 1989.90 0.956 280.71 1990.90 0.974 281.20 1991.90 0.991 281.68 1992.90 1.008 282.13 1993.90 1.025 282.57 1994.90 1.042 283.00 1995.90 1.059 283.41 1996.90 1.075 283.81 1997.90 1.091 284.20 1998.90 1.107 284.58 1999.90 1.123 284.95 2000.90 1.139 285.30 2001.90 1.154 285.65 2002.90 1.169 285.99 2003.90 1.184 286.32 2004.90 1.199 286.64 2005.90 1.214 286.95 2006.90 1.228 287.26 2007.90 1.243 287.55 2008.90 1.257 287.85 2009.90 1.271 288.13 2010.90 1.285 288.41 2011.90 1.299 288.68 2012.90 1.312 288.95 2013.90 1.326 289.21 2014.90 1.339 289.47 2015.90 1.352 289.72 2016.90 1.365 289.97 2017.90 1.378 290.21 2018.90 1.390 290.45 2019.90 1.403 290.68 2020.90 1.415 290.91 2021.90 1.427 291.14 2022.90 1.439 291.36 2023.90 1.451 291.58 2024.90 1.463 291.79 2025.90 1.475 292.01 2026.90 1.486 292.21 2027.90 1.498 292.42 2028.90 1.509 292.62 2029.90 1.520 292.82 2030.90 1.531 293.01 2031.90 1.542 293.21 2032.90 1.553 293.40 2033.90 1.563 293.59 2034.90 1.574 293.77 2035.90 1.584 293.95 2036.90 1.595 294.13 2037.90 1.605 294.31 2038.90 1.615 294.49 2039.90 1.625 294.66 2040.90 1.634 294.83 2041.90 1.644 295.00 2042.90 1.654 295.17 2043.90 1.663 295.34 2044.90 1.672 295.50 2045.90 1.681 295.66 2046.90 1.691 295.82 2047.90 1.699 295.98 2048.90 1.708 296.14 2049.90 1.717 296.29 2050.90 1.726 296.45 2051.90 1.734 296.60 2052.90 1.743 296.75 2053.90 1.751 296.90 2054.90 1.759 297.05 2055.90 1.767 297.20 2056.90 1.775 297.34 2057.90 1.783 297.49 2058.90 1.791 297.63 2059.90 1.798 297.77 2060.90 1.806 297.91 2061.90 1.813 298.05 2062.90 1.821 298.19 2063.90 1.828 298.32 2064.90 1.835 298.46 2065.90 1.842 298.59 2066.90 1.849 298.73 2067.90 1.856 298.86 2068.90 1.863 298.99 2069.90 1.869 299.12 2070.90 1.876 299.25 2071.90 1.882 299.38 2072.90 1.889 299.51 2073.90 1.895 299.64 2074.90 1.901 299.77 2075.90 1.907 299.89 2076.90 1.913 300.02 2077.90 1.919 300.14 2078.90 1.925 300.26 2079.90 1.931 300.39 2080.90 1.936 300.51 2081.90 1.942 300.63 2082.90 1.947 300.75 2083.90 1.952 300.87 2084.90 1.957 300.99 2085.90 1.963 301.11 2086.90 1.968 301.23 2087.90 1.973 301.34 2088.90 1.977 301.46 2089.90 1.982 301.58 2090.90 1.987 301.69 2091.90 1.991 301.81 2092.90 1.996 301.92 2093.90 2.000 302.04 2094.90 2.004 302.15 2095.90 2.009 302.26 2096.90 2.013 302.38 2097.90 2.017 302.49 2098.90 2.021 302.60 2099.90 2.024 302.71 2100.90 2.028 302.82 2101.90 2.032 302.93 2102.90 2.035 303.04 2103.90 2.039 303.15 2104.90 2.042 303.26 2105.90 2.046 303.37 2106.90 2.049 303.48 2107.90 2.052 303.59 2108.90 2.055 303.70 2109.90 2.058 303.81 2110.90 2.061 303.91 2111.90 2.063 304.02 2112.90 2.066 304.13 2113.90 2.069 304.23 2114.90 2.071 304.34 2115.90 2.074 304.45 2116.90 2.076 304.55 2117.90 2.078 304.66 2118.90 2.080 304.76 2119.90 2.082 304.87 2120.90 2.084 304.97 2121.90 2.086 305.08 2122.90 2.088 305.18 2123.90 2.090 305.29 2124.90 2.091 305.39 2125.90 2.093 305.50 2126.90 2.094 305.60 2127.90 2.096 305.70 2128.90 2.097 305.81 2129.90 2.098 305.91 2130.90 2.099 306.02 2131.90 2.100 306.12 2132.90 2.101 306.22 2133.90 2.102 306.33 2134.90 2.103 306.43 2135.90 2.104 306.53 2136.90 2.104 306.63 2137.90 2.105 306.74 2138.90 2.105 306.84 2139.90 2.105 306.94 2140.90 2.106 307.05 2141.90 2.106 307.15 2142.90 2.106 307.25 2143.90 2.106 307.35 2144.90 2.106 307.46 2145.90 2.106 307.56 2146.90 2.105 307.66 2147.90 2.105 307.77 2148.90 2.104 307.87 2149.90 2.104 307.97 2150.90 2.103 308.07 2151.90 2.103 308.18 2152.90 2.102 308.28 2153.90 2.101 308.38 2154.90 2.100 308.49 2155.90 2.099 308.59 2156.90 2.098 308.69 2157.90 2.096 308.80 2158.90 2.095 308.90 2159.90 2.094 309.01 2160.90 2.092 309.11 2161.90 2.090 309.21 2162.90 2.089 309.32 2163.90 2.087 309.42 2164.90 2.085 309.53 2165.90 2.083 309.63 2166.90 2.081 309.74 2167.90 2.079 309.84 2168.90 2.077 309.95 2169.90 2.074 310.06 2170.90 2.072 310.16 2171.90 2.069 310.27 2172.90 2.067 310.37 2173.90 2.064 310.48 2174.90 2.061 310.59 2175.90 2.058 310.70 2176.90 2.055 310.80 2177.90 2.052 310.91 2178.90 2.049 311.02 2179.90 2.046 311.13 2180.90 2.042 311.24 2181.90 2.039 311.35 2182.90 2.035 311.46 2183.90 2.032 311.57 2184.90 2.028 311.68 2185.90 2.024 311.79 2186.90 2.020 311.90 2187.90 2.016 312.01 2188.90 2.012 312.13 2189.90 2.008 312.24 2190.90 2.003 312.35 2191.90 1.999 312.47 2192.90 1.994 312.58 2193.90 1.990 312.69 2194.90 1.985 312.81 2195.90 1.980 312.93 2196.90 1.975 313.04 2197.90 1.970 313.16 2198.90 1.965 313.28 2199.90 1.960 313.40 2200.90 1.954 313.51 2201.90 1.949 313.63 2202.90 1.943 313.75 2203.90 1.938 313.88 2204.90 1.932 314.00 2205.90 1.926 314.12 2206.90 1.920 314.24 2207.90 1.914 314.37 2208.90 1.908 314.49 2209.90 1.901 314.62 2210.90 1.895 314.74 2211.90 1.888 314.87
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:50:43 |