| WDS: | A647 | WDS ID/Discoverer |
| P: | 372.700 | Orbital period (years) |
| a: | 0.947 | Semi-major axis (arcseconds) |
| i: | 122.0 | Inclination (degrees) |
| Ω: | 39.4 | Longitude of ascending node (degrees) |
| T: | 1876.010 | Epoch of periastron passage (year) |
| e: | 0.292 | Eccentricity |
| ω: | 136.8 | Longitude of periastron (degrees) |
| Start-Year: | 1838.65 | Year |
| End-Year: | 2211.35 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A647 |
||
| Position: | 002033.00+453032.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 00205+4531 | WDS designation |
| Discoverer Code: | A647 | Discover designation and components |
| ADS number: | 277 | Aitken Double Star catalog |
| HD number: | 1614 | HD catalog number |
| Hipparcos number: | 1642 | Hipparcos catalog number |
| V1: | 7.17 | Magnitude of the primary |
| V2: | 9.56 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Pru2008 | 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 0.778 86.00 -------------------------- 1838.65 0.443 337.84 1839.65 0.434 335.56 1840.65 0.426 333.19 1841.65 0.419 330.72 1842.65 0.412 328.18 1843.65 0.405 325.55 1844.65 0.400 322.83 1845.65 0.395 320.05 1846.65 0.390 317.20 1847.65 0.387 314.29 1848.65 0.384 311.33 1849.65 0.382 308.34 1850.65 0.381 305.32 1851.65 0.380 302.29 1852.65 0.381 299.25 1853.65 0.382 296.23 1854.65 0.384 293.24 1855.65 0.387 290.29 1856.65 0.390 287.38 1857.65 0.395 284.53 1858.65 0.400 281.75 1859.65 0.405 279.03 1860.65 0.411 276.40 1861.65 0.418 273.84 1862.65 0.425 271.37 1863.65 0.433 268.99 1864.65 0.441 266.69 1865.65 0.449 264.47 1866.65 0.458 262.33 1867.65 0.467 260.28 1868.65 0.476 258.30 1869.65 0.485 256.40 1870.65 0.495 254.57 1871.65 0.504 252.81 1872.65 0.514 251.12 1873.65 0.523 249.48 1874.65 0.533 247.91 1875.65 0.543 246.39 1876.65 0.552 244.92 1877.65 0.561 243.51 1878.65 0.571 242.14 1879.65 0.580 240.81 1880.65 0.589 239.52 1881.65 0.598 238.28 1882.65 0.606 237.06 1883.65 0.615 235.89 1884.65 0.623 234.74 1885.65 0.631 233.62 1886.65 0.638 232.53 1887.65 0.646 231.47 1888.65 0.653 230.42 1889.65 0.660 229.41 1890.65 0.666 228.41 1891.65 0.673 227.43 1892.65 0.678 226.46 1893.65 0.684 225.52 1894.65 0.689 224.59 1895.65 0.694 223.67 1896.65 0.699 222.77 1897.65 0.704 221.87 1898.65 0.708 220.99 1899.65 0.711 220.12 1900.65 0.715 219.26 1901.65 0.718 218.40 1902.65 0.721 217.55 1903.65 0.723 216.71 1904.65 0.725 215.87 1905.65 0.727 215.04 1906.65 0.729 214.21 1907.65 0.730 213.39 1908.65 0.731 212.57 1909.65 0.732 211.75 1910.65 0.733 210.93 1911.65 0.733 210.11 1912.65 0.733 209.29 1913.65 0.733 208.48 1914.65 0.732 207.66 1915.65 0.731 206.84 1916.65 0.730 206.02 1917.65 0.729 205.19 1918.65 0.728 204.36 1919.65 0.726 203.53 1920.65 0.724 202.70 1921.65 0.722 201.86 1922.65 0.720 201.01 1923.65 0.718 200.16 1924.65 0.715 199.31 1925.65 0.712 198.45 1926.65 0.709 197.58 1927.65 0.706 196.70 1928.65 0.703 195.82 1929.65 0.700 194.93 1930.65 0.697 194.03 1931.65 0.693 193.12 1932.65 0.690 192.20 1933.65 0.686 191.27 1934.65 0.682 190.33 1935.65 0.679 189.39 1936.65 0.675 188.43 1937.65 0.671 187.46 1938.65 0.667 186.48 1939.65 0.663 185.48 1940.65 0.659 184.48 1941.65 0.655 183.46 1942.65 0.651 182.43 1943.65 0.647 181.39 1944.65 0.643 180.33 1945.65 0.639 179.26 1946.65 0.635 178.18 1947.65 0.631 177.08 1948.65 0.627 175.97 1949.65 0.623 174.85 1950.65 0.619 173.71 1951.65 0.615 172.56 1952.65 0.612 171.39 1953.65 0.608 170.21 1954.65 0.605 169.02 1955.65 0.601 167.81 1956.65 0.598 166.59 1957.65 0.595 165.35 1958.65 0.592 164.11 1959.65 0.589 162.85 1960.65 0.586 161.57 1961.65 0.584 160.29 1962.65 0.581 159.00 1963.65 0.579 157.69 1964.65 0.577 156.38 1965.65 0.575 155.05 1966.65 0.573 153.72 1967.65 0.571 152.37 1968.65 0.570 151.03 1969.65 0.569 149.67 1970.65 0.567 148.31 1971.65 0.567 146.94 1972.65 0.566 145.57 1973.65 0.565 144.20 1974.65 0.565 142.83 1975.65 0.565 141.45 1976.65 0.565 140.08 1977.65 0.566 138.71 1978.65 0.566 137.34 1979.65 0.567 135.97 1980.65 0.568 134.60 1981.65 0.569 133.25 1982.65 0.571 131.89 1983.65 0.572 130.55 1984.65 0.574 129.21 1985.65 0.576 127.89 1986.65 0.578 126.57 1987.65 0.581 125.26 1988.65 0.583 123.96 1989.65 0.586 122.68 1990.65 0.589 121.41 1991.65 0.592 120.15 1992.65 0.595 118.90 1993.65 0.599 117.67 1994.65 0.603 116.45 1995.65 0.606 115.25 1996.65 0.610 114.07 1997.65 0.615 112.90 1998.65 0.619 111.74 1999.65 0.623 110.60 2000.65 0.628 109.48 2001.65 0.633 108.38 2002.65 0.638 107.29 2003.65 0.642 106.22 2004.65 0.648 105.16 2005.65 0.653 104.12 2006.65 0.658 103.10 2007.65 0.663 102.10 2008.65 0.669 101.11 2009.65 0.675 100.13 2010.65 0.680 99.18 2011.65 0.686 98.24 2012.65 0.692 97.31 2013.65 0.698 96.40 2014.65 0.704 95.51 2015.65 0.710 94.63 2016.65 0.716 93.77 2017.65 0.722 92.92 2018.65 0.728 92.08 2019.65 0.734 91.26 2020.65 0.741 90.45 2021.65 0.747 89.66 2022.65 0.753 88.88 2023.65 0.760 88.11 2024.65 0.766 87.36 2025.65 0.773 86.62 2026.65 0.779 85.89 2027.65 0.786 85.17 2028.65 0.792 84.46 2029.65 0.798 83.77 2030.65 0.805 83.09 2031.65 0.811 82.42 2032.65 0.818 81.75 2033.65 0.824 81.10 2034.65 0.831 80.46 2035.65 0.837 79.83 2036.65 0.844 79.21 2037.65 0.850 78.60 2038.65 0.857 77.99 2039.65 0.863 77.40 2040.65 0.869 76.81 2041.65 0.876 76.24 2042.65 0.882 75.67 2043.65 0.888 75.11 2044.65 0.894 74.56 2045.65 0.901 74.01 2046.65 0.907 73.47 2047.65 0.913 72.94 2048.65 0.919 72.42 2049.65 0.925 71.90 2050.65 0.931 71.39 2051.65 0.937 70.89 2052.65 0.943 70.39 2053.65 0.948 69.90 2054.65 0.954 69.42 2055.65 0.960 68.94 2056.65 0.965 68.46 2057.65 0.971 67.99 2058.65 0.976 67.53 2059.65 0.982 67.07 2060.65 0.987 66.62 2061.65 0.993 66.17 2062.65 0.998 65.73 2063.65 1.003 65.29 2064.65 1.008 64.86 2065.65 1.013 64.43 2066.65 1.018 64.00 2067.65 1.023 63.58 2068.65 1.028 63.16 2069.65 1.032 62.75 2070.65 1.037 62.34 2071.65 1.041 61.93 2072.65 1.046 61.53 2073.65 1.050 61.13 2074.65 1.054 60.73 2075.65 1.059 60.34 2076.65 1.063 59.95 2077.65 1.067 59.56 2078.65 1.070 59.17 2079.65 1.074 58.79 2080.65 1.078 58.41 2081.65 1.082 58.04 2082.65 1.085 57.66 2083.65 1.088 57.29 2084.65 1.092 56.92 2085.65 1.095 56.55 2086.65 1.098 56.19 2087.65 1.101 55.83 2088.65 1.104 55.46 2089.65 1.107 55.10 2090.65 1.109 54.75 2091.65 1.112 54.39 2092.65 1.114 54.04 2093.65 1.117 53.68 2094.65 1.119 53.33 2095.65 1.121 52.98 2096.65 1.123 52.63 2097.65 1.125 52.29 2098.65 1.127 51.94 2099.65 1.128 51.59 2100.65 1.130 51.25 2101.65 1.131 50.91 2102.65 1.132 50.56 2103.65 1.133 50.22 2104.65 1.134 49.88 2105.65 1.135 49.54 2106.65 1.136 49.20 2107.65 1.137 48.86 2108.65 1.137 48.52 2109.65 1.138 48.18 2110.65 1.138 47.84 2111.65 1.138 47.50 2112.65 1.138 47.16 2113.65 1.138 46.82 2114.65 1.138 46.48 2115.65 1.137 46.14 2116.65 1.137 45.80 2117.65 1.136 45.46 2118.65 1.135 45.12 2119.65 1.134 44.78 2120.65 1.133 44.44 2121.65 1.132 44.10 2122.65 1.130 43.76 2123.65 1.129 43.41 2124.65 1.127 43.07 2125.65 1.125 42.72 2126.65 1.123 42.37 2127.65 1.121 42.02 2128.65 1.119 41.67 2129.65 1.116 41.32 2130.65 1.114 40.97 2131.65 1.111 40.61 2132.65 1.108 40.26 2133.65 1.105 39.90 2134.65 1.102 39.54 2135.65 1.098 39.18 2136.65 1.095 38.81 2137.65 1.091 38.44 2138.65 1.087 38.07 2139.65 1.083 37.70 2140.65 1.079 37.33 2141.65 1.075 36.95 2142.65 1.071 36.57 2143.65 1.066 36.18 2144.65 1.061 35.79 2145.65 1.056 35.40 2146.65 1.051 35.01 2147.65 1.046 34.61 2148.65 1.040 34.20 2149.65 1.035 33.79 2150.65 1.029 33.38 2151.65 1.023 32.96 2152.65 1.017 32.54 2153.65 1.011 32.12 2154.65 1.004 31.68 2155.65 0.998 31.25 2156.65 0.991 30.80 2157.65 0.984 30.35 2158.65 0.977 29.89 2159.65 0.970 29.43 2160.65 0.962 28.96 2161.65 0.955 28.48 2162.65 0.947 28.00 2163.65 0.939 27.50 2164.65 0.931 27.00 2165.65 0.923 26.49 2166.65 0.914 25.97 2167.65 0.906 25.44 2168.65 0.897 24.90 2169.65 0.888 24.35 2170.65 0.879 23.79 2171.65 0.870 23.21 2172.65 0.861 22.63 2173.65 0.851 22.03 2174.65 0.841 21.41 2175.65 0.832 20.79 2176.65 0.822 20.14 2177.65 0.812 19.48 2178.65 0.801 18.81 2179.65 0.791 18.12 2180.65 0.781 17.41 2181.65 0.770 16.68 2182.65 0.759 15.93 2183.65 0.748 15.15 2184.65 0.737 14.36 2185.65 0.726 13.54 2186.65 0.715 12.69 2187.65 0.704 11.82 2188.65 0.693 10.92 2189.65 0.681 9.99 2190.65 0.670 9.03 2191.65 0.658 8.03 2192.65 0.647 7.00 2193.65 0.635 5.93 2194.65 0.623 4.82 2195.65 0.612 3.67 2196.65 0.600 2.47 2197.65 0.588 1.23 2198.65 0.577 359.94 2199.65 0.565 358.59 2200.65 0.554 357.19 2201.65 0.542 355.73 2202.65 0.531 354.20 2203.65 0.520 352.61 2204.65 0.509 350.96 2205.65 0.498 349.23 2206.65 0.488 347.42 2207.65 0.478 345.54 2208.65 0.468 343.57 2209.65 0.458 341.52 2210.65 0.449 339.39
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
|
| Report created: |
2026-06-25 14:38:22 |