| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:30:09 |
| WDS: | DUN5 | WDS ID/Discoverer |
| P: | 467.700 | Orbital period (years) |
| a: | 7.95563 | Semi-major axis (arcseconds) |
| i: | 135.4299 | Inclination (degrees) |
| Ω: | 13.8831 | Longitude of ascending node (degrees) |
| T: | 1806.599 | Epoch of periastron passage (year) |
| e: | 0.462287 | Eccentricity |
| ω: | 18.0095 | Longitude of periastron (degrees) |
| Start-Year: | 1792.0 | Year |
| End-Year: | 2258.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 013947.83-561136.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01398-5612 | WDS designation |
| Discoverer Code: | DUN5 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 10361J | HD catalog number |
| Hipparcos number: | 7751 | Hipparcos catalog number |
| V1: | 5.78 | Magnitude of the primary |
| V2: | 5.90 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | Date of last observation | |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 11.449 184.5 ------------------------- 1792.0 4.434 24.9 1793.0 4.425 23.3 1794.0 4.414 21.7 1795.0 4.402 20.1 1796.0 4.390 18.5 1797.0 4.375 16.9 1798.0 4.360 15.3 1799.0 4.343 13.7 1800.0 4.325 12.1 1801.0 4.306 10.4 1802.0 4.285 8.7 1803.0 4.264 7.1 1804.0 4.241 5.4 1805.0 4.217 3.6 1806.0 4.191 1.9 1807.0 4.165 0.1 1808.0 4.138 358.3 1809.0 4.111 356.5 1810.0 4.083 354.7 1811.0 4.054 352.8 1812.0 4.025 351.0 1813.0 3.996 349.0 1814.0 3.967 347.1 1815.0 3.938 345.1 1816.0 3.909 343.1 1817.0 3.882 341.1 1818.0 3.855 339.1 1819.0 3.828 337.0 1820.0 3.804 334.9 1821.0 3.780 332.7 1822.0 3.758 330.5 1823.0 3.738 328.4 1824.0 3.720 326.1 1825.0 3.704 323.9 1826.0 3.690 321.7 1827.0 3.679 319.4 1828.0 3.670 317.1 1829.0 3.664 314.8 1830.0 3.661 312.5 1831.0 3.661 310.2 1832.0 3.664 307.9 1833.0 3.670 305.6 1834.0 3.679 303.4 1835.0 3.691 301.1 1836.0 3.706 298.8 1837.0 3.725 296.6 1838.0 3.746 294.4 1839.0 3.771 292.2 1840.0 3.799 290.1 1841.0 3.830 288.0 1842.0 3.863 285.9 1843.0 3.900 283.8 1844.0 3.939 281.8 1845.0 3.981 279.9 1846.0 4.025 278.0 1847.0 4.071 276.1 1848.0 4.120 274.2 1849.0 4.171 272.5 1850.0 4.224 270.7 1851.0 4.279 269.0 1852.0 4.336 267.3 1853.0 4.395 265.7 1854.0 4.455 264.2 1855.0 4.516 262.6 1856.0 4.579 261.1 1857.0 4.643 259.7 1858.0 4.708 258.3 1859.0 4.774 256.9 1860.0 4.842 255.6 1861.0 4.910 254.3 1862.0 4.979 253.0 1863.0 5.048 251.8 1864.0 5.119 250.6 1865.0 5.189 249.5 1866.0 5.261 248.3 1867.0 5.332 247.2 1868.0 5.404 246.2 1869.0 5.477 245.1 1870.0 5.549 244.1 1871.0 5.622 243.1 1872.0 5.695 242.2 1873.0 5.768 241.2 1874.0 5.841 240.3 1875.0 5.914 239.4 1876.0 5.987 238.6 1877.0 6.060 237.7 1878.0 6.133 236.9 1879.0 6.206 236.1 1880.0 6.279 235.3 1881.0 6.351 234.5 1882.0 6.423 233.8 1883.0 6.495 233.0 1884.0 6.567 232.3 1885.0 6.638 231.6 1886.0 6.709 230.9 1887.0 6.780 230.2 1888.0 6.850 229.6 1889.0 6.921 228.9 1890.0 6.990 228.3 1891.0 7.059 227.6 1892.0 7.128 227.0 1893.0 7.197 226.4 1894.0 7.265 225.8 1895.0 7.332 225.3 1896.0 7.399 224.7 1897.0 7.466 224.1 1898.0 7.532 223.6 1899.0 7.598 223.1 1900.0 7.663 222.5 1901.0 7.728 222.0 1902.0 7.792 221.5 1903.0 7.856 221.0 1904.0 7.919 220.5 1905.0 7.981 220.0 1906.0 8.043 219.5 1907.0 8.105 219.1 1908.0 8.166 218.6 1909.0 8.226 218.1 1910.0 8.286 217.7 1911.0 8.345 217.2 1912.0 8.404 216.8 1913.0 8.462 216.4 1914.0 8.520 215.9 1915.0 8.577 215.5 1916.0 8.634 215.1 1917.0 8.689 214.7 1918.0 8.745 214.3 1919.0 8.800 213.9 1920.0 8.854 213.5 1921.0 8.907 213.1 1922.0 8.960 212.7 1923.0 9.013 212.3 1924.0 9.065 212.0 1925.0 9.116 211.6 1926.0 9.167 211.2 1927.0 9.217 210.9 1928.0 9.267 210.5 1929.0 9.316 210.1 1930.0 9.364 209.8 1931.0 9.412 209.4 1932.0 9.459 209.1 1933.0 9.506 208.8 1934.0 9.552 208.4 1935.0 9.597 208.1 1936.0 9.642 207.7 1937.0 9.687 207.4 1938.0 9.730 207.1 1939.0 9.774 206.8 1940.0 9.816 206.4 1941.0 9.858 206.1 1942.0 9.900 205.8 1943.0 9.941 205.5 1944.0 9.981 205.2 1945.0 10.021 204.9 1946.0 10.060 204.6 1947.0 10.099 204.3 1948.0 10.137 204.0 1949.0 10.174 203.7 1950.0 10.211 203.4 1951.0 10.247 203.1 1952.0 10.283 202.8 1953.0 10.318 202.5 1954.0 10.353 202.2 1955.0 10.387 201.9 1956.0 10.420 201.6 1957.0 10.453 201.4 1958.0 10.486 201.1 1959.0 10.518 200.8 1960.0 10.549 200.5 1961.0 10.579 200.3 1962.0 10.610 200.0 1963.0 10.639 199.7 1964.0 10.668 199.4 1965.0 10.697 199.2 1966.0 10.725 198.9 1967.0 10.752 198.6 1968.0 10.779 198.4 1969.0 10.805 198.1 1970.0 10.831 197.8 1971.0 10.856 197.6 1972.0 10.881 197.3 1973.0 10.905 197.1 1974.0 10.929 196.8 1975.0 10.952 196.5 1976.0 10.974 196.3 1977.0 10.996 196.0 1978.0 11.018 195.8 1979.0 11.039 195.5 1980.0 11.059 195.3 1981.0 11.079 195.0 1982.0 11.099 194.8 1983.0 11.117 194.5 1984.0 11.136 194.3 1985.0 11.153 194.0 1986.0 11.171 193.8 1987.0 11.187 193.5 1988.0 11.204 193.3 1989.0 11.219 193.0 1990.0 11.235 192.8 1991.0 11.249 192.6 1992.0 11.263 192.3 1993.0 11.277 192.1 1994.0 11.290 191.8 1995.0 11.303 191.6 1996.0 11.315 191.3 1997.0 11.326 191.1 1998.0 11.338 190.9 1999.0 11.348 190.6 2000.0 11.358 190.4 2001.0 11.368 190.1 2002.0 11.377 189.9 2003.0 11.385 189.7 2004.0 11.393 189.4 2005.0 11.401 189.2 2006.0 11.408 189.0 2007.0 11.415 188.7 2008.0 11.421 188.5 2009.0 11.426 188.3 2010.0 11.431 188.0 2011.0 11.436 187.8 2012.0 11.440 187.5 2013.0 11.444 187.3 2014.0 11.447 187.1 2015.0 11.450 186.8 2016.0 11.452 186.6 2017.0 11.453 186.4 2018.0 11.455 186.1 2019.0 11.455 185.9 2020.0 11.455 185.7 2021.0 11.455 185.4 2022.0 11.455 185.2 2023.0 11.453 185.0 2024.0 11.452 184.7 2025.0 11.449 184.5 2026.0 11.447 184.3 2027.0 11.444 184.0 2028.0 11.440 183.8 2029.0 11.436 183.6 2030.0 11.432 183.3 2031.0 11.427 183.1 2032.0 11.421 182.8 2033.0 11.415 182.6 2034.0 11.409 182.4 2035.0 11.402 182.1 2036.0 11.394 181.9 2037.0 11.387 181.7 2038.0 11.378 181.4 2039.0 11.370 181.2 2040.0 11.361 181.0 2041.0 11.351 180.7 2042.0 11.341 180.5 2043.0 11.330 180.2 2044.0 11.319 180.0 2045.0 11.308 179.8 2046.0 11.296 179.5 2047.0 11.284 179.3 2048.0 11.271 179.0 2049.0 11.257 178.8 2050.0 11.244 178.5 2051.0 11.230 178.3 2052.0 11.215 178.1 2053.0 11.200 177.8 2054.0 11.184 177.6 2055.0 11.168 177.3 2056.0 11.152 177.1 2057.0 11.135 176.8 2058.0 11.118 176.6 2059.0 11.100 176.3 2060.0 11.082 176.1 2061.0 11.063 175.8 2062.0 11.044 175.6 2063.0 11.025 175.3 2064.0 11.005 175.1 2065.0 10.985 174.8 2066.0 10.964 174.6 2067.0 10.943 174.3 2068.0 10.921 174.0 2069.0 10.899 173.8 2070.0 10.877 173.5 2071.0 10.854 173.3 2072.0 10.830 173.0 2073.0 10.807 172.7 2074.0 10.782 172.5 2075.0 10.758 172.2 2076.0 10.733 171.9 2077.0 10.707 171.7 2078.0 10.681 171.4 2079.0 10.655 171.1 2080.0 10.629 170.9 2081.0 10.601 170.6 2082.0 10.574 170.3 2083.0 10.546 170.0 2084.0 10.518 169.8 2085.0 10.489 169.5 2086.0 10.460 169.2 2087.0 10.430 168.9 2088.0 10.400 168.6 2089.0 10.370 168.4 2090.0 10.339 168.1 2091.0 10.308 167.8 2092.0 10.276 167.5 2093.0 10.244 167.2 2094.0 10.212 166.9 2095.0 10.179 166.6 2096.0 10.146 166.3 2097.0 10.113 166.0 2098.0 10.079 165.7 2099.0 10.045 165.4 2100.0 10.010 165.1 2101.0 9.975 164.8 2102.0 9.939 164.5 2103.0 9.904 164.2 2104.0 9.867 163.8 2105.0 9.831 163.5 2106.0 9.794 163.2 2107.0 9.757 162.9 2108.0 9.719 162.6 2109.0 9.681 162.2 2110.0 9.643 161.9 2111.0 9.604 161.6 2112.0 9.565 161.2 2113.0 9.525 160.9 2114.0 9.486 160.6 2115.0 9.445 160.2 2116.0 9.405 159.9 2117.0 9.364 159.5 2118.0 9.323 159.2 2119.0 9.281 158.8 2120.0 9.239 158.5 2121.0 9.197 158.1 2122.0 9.155 157.7 2123.0 9.112 157.4 2124.0 9.069 157.0 2125.0 9.025 156.6 2126.0 8.981 156.2 2127.0 8.937 155.8 2128.0 8.893 155.5 2129.0 8.848 155.1 2130.0 8.803 154.7 2131.0 8.758 154.3 2132.0 8.712 153.9 2133.0 8.666 153.5 2134.0 8.620 153.1 2135.0 8.574 152.6 2136.0 8.527 152.2 2137.0 8.480 151.8 2138.0 8.433 151.4 2139.0 8.385 150.9 2140.0 8.338 150.5 2141.0 8.290 150.0 2142.0 8.241 149.6 2143.0 8.193 149.1 2144.0 8.144 148.7 2145.0 8.095 148.2 2146.0 8.046 147.7 2147.0 7.997 147.3 2148.0 7.947 146.8 2149.0 7.898 146.3 2150.0 7.848 145.8 2151.0 7.798 145.3 2152.0 7.747 144.8 2153.0 7.697 144.3 2154.0 7.646 143.7 2155.0 7.596 143.2 2156.0 7.545 142.7 2157.0 7.494 142.1 2158.0 7.443 141.6 2159.0 7.392 141.0 2160.0 7.340 140.4 2161.0 7.289 139.9 2162.0 7.238 139.3 2163.0 7.186 138.7 2164.0 7.134 138.1 2165.0 7.083 137.5 2166.0 7.031 136.9 2167.0 6.980 136.2 2168.0 6.928 135.6 2169.0 6.876 135.0 2170.0 6.825 134.3 2171.0 6.773 133.6 2172.0 6.722 133.0 2173.0 6.670 132.3 2174.0 6.619 131.6 2175.0 6.568 130.9 2176.0 6.517 130.1 2177.0 6.466 129.4 2178.0 6.415 128.7 2179.0 6.365 127.9 2180.0 6.314 127.2 2181.0 6.264 126.4 2182.0 6.214 125.6 2183.0 6.164 124.8 2184.0 6.115 124.0 2185.0 6.066 123.1 2186.0 6.017 122.3 2187.0 5.969 121.4 2188.0 5.921 120.6 2189.0 5.873 119.7 2190.0 5.826 118.8 2191.0 5.779 117.9 2192.0 5.732 116.9 2193.0 5.687 116.0 2194.0 5.641 115.0 2195.0 5.596 114.1 2196.0 5.552 113.1 2197.0 5.509 112.1 2198.0 5.466 111.0 2199.0 5.423 110.0 2200.0 5.382 108.9 2201.0 5.341 107.9 2202.0 5.300 106.8 2203.0 5.261 105.7 2204.0 5.222 104.6 2205.0 5.184 103.4 2206.0 5.147 102.3 2207.0 5.111 101.1 2208.0 5.076 99.9 2209.0 5.042 98.7 2210.0 5.009 97.5 2211.0 4.976 96.3 2212.0 4.945 95.0 2213.0 4.914 93.7 2214.0 4.885 92.5 2215.0 4.857 91.2 2216.0 4.830 89.9 2217.0 4.804 88.5 2218.0 4.779 87.2 2219.0 4.755 85.8 2220.0 4.732 84.5 2221.0 4.710 83.1 2222.0 4.690 81.7 2223.0 4.671 80.3 2224.0 4.652 78.9 2225.0 4.635 77.4 2226.0 4.619 76.0 2227.0 4.604 74.6 2228.0 4.591 73.1 2229.0 4.578 71.6 2230.0 4.566 70.2 2231.0 4.555 68.7 2232.0 4.546 67.2 2233.0 4.537 65.7 2234.0 4.529 64.2 2235.0 4.522 62.7 2236.0 4.516 61.2 2237.0 4.510 59.7 2238.0 4.506 58.2 2239.0 4.502 56.7 2240.0 4.498 55.1 2241.0 4.495 53.6 2242.0 4.493 52.1 2243.0 4.491 50.6 2244.0 4.489 49.0 2245.0 4.487 47.5 2246.0 4.486 46.0 2247.0 4.484 44.5 2248.0 4.483 42.9 2249.0 4.481 41.4 2250.0 4.479 39.9 2251.0 4.477 38.3 2252.0 4.475 36.8 2253.0 4.472 35.2 2254.0 4.469 33.7 2255.0 4.464 32.2 2256.0 4.460 30.6 2257.0 4.454 29.1