| WDS: | COU321 | WDS ID/Discoverer |
| P: | 354.120 | Orbital period (years) |
| a: | 0.484 | Semi-major axis (arcseconds) |
| i: | 101.0 | Inclination (degrees) |
| Ω: | 142.2 | Longitude of ascending node (degrees) |
| T: | 2349.400 | Epoch of periastron passage (year) |
| e: | 0.776 | Eccentricity |
| ω: | 188.4 | Longitude of periastron (degrees) |
| Start-Year: | 1847.94 | Year |
| End-Year: | 2202.06 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for COU321 |
||
| Position: | 191757.89+201133.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19180+2012 | WDS designation |
| Discoverer Code: | COU321 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 181025 | HD catalog number |
| Hipparcos number: | 94847 | Hipparcos catalog number |
| V1: | 8.92 | Magnitude of the primary |
| V2: | 8.92 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1998 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Doc2003e | 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 0.292 151.81 -------------------------- 1847.94 0.817 139.37 1848.94 0.815 139.33 1849.94 0.813 139.28 1850.94 0.811 139.24 1851.94 0.809 139.20 1852.94 0.807 139.15 1853.94 0.805 139.11 1854.94 0.803 139.07 1855.94 0.801 139.02 1856.94 0.798 138.98 1857.94 0.796 138.93 1858.94 0.794 138.89 1859.94 0.791 138.84 1860.94 0.789 138.79 1861.94 0.786 138.75 1862.94 0.784 138.70 1863.94 0.781 138.65 1864.94 0.779 138.61 1865.94 0.776 138.56 1866.94 0.773 138.51 1867.94 0.770 138.46 1868.94 0.768 138.42 1869.94 0.765 138.37 1870.94 0.762 138.32 1871.94 0.759 138.27 1872.94 0.756 138.22 1873.94 0.752 138.17 1874.94 0.749 138.12 1875.94 0.746 138.07 1876.94 0.743 138.01 1877.94 0.740 137.96 1878.94 0.736 137.91 1879.94 0.733 137.86 1880.94 0.729 137.80 1881.94 0.726 137.75 1882.94 0.722 137.69 1883.94 0.718 137.64 1884.94 0.715 137.58 1885.94 0.711 137.53 1886.94 0.707 137.47 1887.94 0.703 137.41 1888.94 0.699 137.35 1889.94 0.696 137.29 1890.94 0.691 137.23 1891.94 0.687 137.17 1892.94 0.683 137.11 1893.94 0.679 137.05 1894.94 0.675 136.99 1895.94 0.671 136.93 1896.94 0.666 136.86 1897.94 0.662 136.80 1898.94 0.657 136.73 1899.94 0.653 136.66 1900.94 0.648 136.60 1901.94 0.643 136.53 1902.94 0.639 136.46 1903.94 0.634 136.39 1904.94 0.629 136.31 1905.94 0.624 136.24 1906.94 0.619 136.17 1907.94 0.614 136.09 1908.94 0.609 136.02 1909.94 0.604 135.94 1910.94 0.599 135.86 1911.94 0.593 135.78 1912.94 0.588 135.70 1913.94 0.583 135.61 1914.94 0.577 135.53 1915.94 0.572 135.44 1916.94 0.566 135.35 1917.94 0.560 135.26 1918.94 0.555 135.17 1919.94 0.549 135.07 1920.94 0.543 134.98 1921.94 0.537 134.88 1922.94 0.531 134.78 1923.94 0.525 134.68 1924.94 0.519 134.57 1925.94 0.512 134.46 1926.94 0.506 134.35 1927.94 0.500 134.24 1928.94 0.493 134.12 1929.94 0.487 134.00 1930.94 0.480 133.88 1931.94 0.473 133.76 1932.94 0.467 133.63 1933.94 0.460 133.49 1934.94 0.453 133.35 1935.94 0.446 133.21 1936.94 0.439 133.07 1937.94 0.432 132.91 1938.94 0.424 132.76 1939.94 0.417 132.60 1940.94 0.410 132.43 1941.94 0.402 132.25 1942.94 0.394 132.07 1943.94 0.387 131.89 1944.94 0.379 131.69 1945.94 0.371 131.49 1946.94 0.363 131.27 1947.94 0.355 131.05 1948.94 0.347 130.82 1949.94 0.339 130.57 1950.94 0.330 130.32 1951.94 0.322 130.05 1952.94 0.313 129.76 1953.94 0.304 129.46 1954.94 0.296 129.14 1955.94 0.287 128.81 1956.94 0.278 128.45 1957.94 0.269 128.06 1958.94 0.260 127.65 1959.94 0.250 127.21 1960.94 0.241 126.74 1961.94 0.231 126.22 1962.94 0.222 125.66 1963.94 0.212 125.05 1964.94 0.202 124.39 1965.94 0.192 123.65 1966.94 0.182 122.83 1967.94 0.172 121.92 1968.94 0.162 120.89 1969.94 0.152 119.72 1970.94 0.141 118.39 1971.94 0.131 116.83 1972.94 0.120 115.01 1973.94 0.110 112.85 1974.94 0.099 110.22 1975.94 0.089 106.99 1976.94 0.079 102.91 1977.94 0.069 97.67 1978.94 0.060 90.77 1979.94 0.052 81.59 1980.94 0.046 69.44 1981.94 0.042 54.21 1982.94 0.041 37.21 1983.94 0.044 21.03 1984.94 0.049 7.60 1985.94 0.057 357.25 1986.94 0.065 349.42 1987.94 0.074 343.42 1988.94 0.082 338.70 1989.94 0.091 334.86 1990.94 0.098 331.63 1991.94 0.104 328.82 1992.94 0.108 326.26 1993.94 0.109 323.83 1994.94 0.108 321.42 1995.94 0.104 318.90 1996.94 0.098 316.11 1997.94 0.089 312.84 1998.94 0.079 308.78 1999.94 0.067 303.40 2000.94 0.056 295.79 2001.94 0.045 284.31 2002.94 0.036 266.54 2003.94 0.033 241.75 2004.94 0.036 216.35 2005.94 0.044 197.61 2006.94 0.055 185.54 2007.94 0.067 177.71 2008.94 0.080 172.37 2009.94 0.093 168.52 2010.94 0.106 165.63 2011.94 0.120 163.38 2012.94 0.133 161.58 2013.94 0.146 160.09 2014.94 0.158 158.85 2015.94 0.171 157.79 2016.94 0.183 156.88 2017.94 0.195 156.08 2018.94 0.207 155.37 2019.94 0.219 154.74 2020.94 0.231 154.17 2021.94 0.242 153.66 2022.94 0.253 153.19 2023.94 0.264 152.76 2024.94 0.275 152.37 2025.94 0.286 152.00 2026.94 0.296 151.66 2027.94 0.306 151.35 2028.94 0.316 151.05 2029.94 0.326 150.78 2030.94 0.336 150.51 2031.94 0.346 150.27 2032.94 0.355 150.03 2033.94 0.365 149.81 2034.94 0.374 149.60 2035.94 0.383 149.40 2036.94 0.392 149.21 2037.94 0.401 149.03 2038.94 0.409 148.85 2039.94 0.418 148.69 2040.94 0.426 148.53 2041.94 0.434 148.37 2042.94 0.442 148.22 2043.94 0.450 148.08 2044.94 0.458 147.94 2045.94 0.466 147.80 2046.94 0.474 147.68 2047.94 0.481 147.55 2048.94 0.489 147.43 2049.94 0.496 147.31 2050.94 0.503 147.19 2051.94 0.510 147.08 2052.94 0.517 146.97 2053.94 0.524 146.87 2054.94 0.531 146.77 2055.94 0.538 146.67 2056.94 0.544 146.57 2057.94 0.551 146.47 2058.94 0.557 146.38 2059.94 0.563 146.29 2060.94 0.570 146.20 2061.94 0.576 146.11 2062.94 0.582 146.02 2063.94 0.588 145.94 2064.94 0.594 145.86 2065.94 0.599 145.78 2066.94 0.605 145.70 2067.94 0.611 145.62 2068.94 0.616 145.55 2069.94 0.622 145.47 2070.94 0.627 145.40 2071.94 0.632 145.33 2072.94 0.638 145.25 2073.94 0.643 145.18 2074.94 0.648 145.12 2075.94 0.653 145.05 2076.94 0.658 144.98 2077.94 0.663 144.91 2078.94 0.667 144.85 2079.94 0.672 144.79 2080.94 0.677 144.72 2081.94 0.681 144.66 2082.94 0.686 144.60 2083.94 0.690 144.54 2084.94 0.694 144.48 2085.94 0.699 144.42 2086.94 0.703 144.36 2087.94 0.707 144.30 2088.94 0.711 144.25 2089.94 0.715 144.19 2090.94 0.719 144.14 2091.94 0.723 144.08 2092.94 0.727 144.03 2093.94 0.730 143.97 2094.94 0.734 143.92 2095.94 0.738 143.87 2096.94 0.741 143.81 2097.94 0.745 143.76 2098.94 0.748 143.71 2099.94 0.751 143.66 2100.94 0.755 143.61 2101.94 0.758 143.56 2102.94 0.761 143.51 2103.94 0.764 143.46 2104.94 0.767 143.41 2105.94 0.770 143.36 2106.94 0.773 143.31 2107.94 0.776 143.27 2108.94 0.779 143.22 2109.94 0.782 143.17 2110.94 0.784 143.12 2111.94 0.787 143.08 2112.94 0.790 143.03 2113.94 0.792 142.99 2114.94 0.795 142.94 2115.94 0.797 142.90 2116.94 0.800 142.85 2117.94 0.802 142.81 2118.94 0.804 142.76 2119.94 0.806 142.72 2120.94 0.808 142.67 2121.94 0.811 142.63 2122.94 0.813 142.59 2123.94 0.815 142.54 2124.94 0.817 142.50 2125.94 0.818 142.46 2126.94 0.820 142.41 2127.94 0.822 142.37 2128.94 0.824 142.33 2129.94 0.825 142.29 2130.94 0.827 142.24 2131.94 0.829 142.20 2132.94 0.830 142.16 2133.94 0.832 142.12 2134.94 0.833 142.08 2135.94 0.834 142.04 2136.94 0.836 142.00 2137.94 0.837 141.96 2138.94 0.838 141.91 2139.94 0.839 141.87 2140.94 0.841 141.83 2141.94 0.842 141.79 2142.94 0.843 141.75 2143.94 0.844 141.71 2144.94 0.844 141.67 2145.94 0.845 141.63 2146.94 0.846 141.59 2147.94 0.847 141.55 2148.94 0.848 141.51 2149.94 0.848 141.47 2150.94 0.849 141.43 2151.94 0.850 141.39 2152.94 0.850 141.35 2153.94 0.851 141.31 2154.94 0.851 141.27 2155.94 0.851 141.23 2156.94 0.852 141.19 2157.94 0.852 141.15 2158.94 0.852 141.11 2159.94 0.852 141.08 2160.94 0.853 141.04 2161.94 0.853 141.00 2162.94 0.853 140.96 2163.94 0.853 140.92 2164.94 0.853 140.88 2165.94 0.852 140.84 2166.94 0.852 140.80 2167.94 0.852 140.76 2168.94 0.852 140.72 2169.94 0.852 140.68 2170.94 0.851 140.64 2171.94 0.851 140.60 2172.94 0.850 140.56 2173.94 0.850 140.52 2174.94 0.849 140.48 2175.94 0.849 140.44 2176.94 0.848 140.40 2177.94 0.848 140.36 2178.94 0.847 140.32 2179.94 0.846 140.28 2180.94 0.845 140.24 2181.94 0.844 140.20 2182.94 0.843 140.16 2183.94 0.843 140.12 2184.94 0.842 140.08 2185.94 0.840 140.04 2186.94 0.839 140.00 2187.94 0.838 139.96 2188.94 0.837 139.92 2189.94 0.836 139.88 2190.94 0.835 139.84 2191.94 0.833 139.80 2192.94 0.832 139.76 2193.94 0.830 139.71 2194.94 0.829 139.67 2195.94 0.827 139.63 2196.94 0.826 139.59 2197.94 0.824 139.55 2198.94 0.823 139.50 2199.94 0.821 139.46 2200.94 0.819 139.42 2201.94 0.817 139.38
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:02:44 |