| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:45:37 |
| WDS: | DON832AB | WDS ID/Discoverer |
| P: | 421.587 | Orbital period (years) |
| a: | 7.90942 | Semi-major axis (arcseconds) |
| i: | 99.36 | Inclination (degrees) |
| Ω: | 28.815 | Longitude of ascending node (degrees) |
| T: | 2026.747 | Epoch of periastron passage (year) |
| e: | 0.73578 | Eccentricity |
| ω: | 75.752 | Longitude of periastron (degrees) |
| Start-Year: | 1815.0 | Year |
| End-Year: | 2235.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 172100.37-210646.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17210-2107 | WDS designation |
| Discoverer Code: | DON832AB | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | . | Hipparcos catalog number |
| V1: | 4.40 | Magnitude of the primary |
| V2: | 8.90 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2010 | Date of last observation |
| Orbit grade: | 5 | 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 1.058 12.2 ------------------------- 1815.0 4.047 176.5 1816.0 4.011 176.2 1817.0 3.974 175.8 1818.0 3.938 175.4 1819.0 3.901 175.0 1820.0 3.865 174.6 1821.0 3.828 174.2 1822.0 3.792 173.8 1823.0 3.755 173.4 1824.0 3.719 173.0 1825.0 3.682 172.6 1826.0 3.646 172.1 1827.0 3.610 171.7 1828.0 3.574 171.2 1829.0 3.538 170.8 1830.0 3.502 170.3 1831.0 3.466 169.8 1832.0 3.430 169.3 1833.0 3.394 168.8 1834.0 3.359 168.3 1835.0 3.323 167.8 1836.0 3.288 167.2 1837.0 3.253 166.7 1838.0 3.218 166.1 1839.0 3.183 165.5 1840.0 3.148 165.0 1841.0 3.114 164.4 1842.0 3.080 163.7 1843.0 3.046 163.1 1844.0 3.012 162.5 1845.0 2.978 161.8 1846.0 2.945 161.1 1847.0 2.912 160.5 1848.0 2.880 159.8 1849.0 2.847 159.0 1850.0 2.815 158.3 1851.0 2.784 157.6 1852.0 2.752 156.8 1853.0 2.722 156.0 1854.0 2.691 155.2 1855.0 2.661 154.4 1856.0 2.631 153.5 1857.0 2.602 152.7 1858.0 2.573 151.8 1859.0 2.545 150.9 1860.0 2.517 150.0 1861.0 2.490 149.0 1862.0 2.464 148.1 1863.0 2.438 147.1 1864.0 2.412 146.1 1865.0 2.388 145.1 1866.0 2.364 144.0 1867.0 2.340 143.0 1868.0 2.317 141.9 1869.0 2.296 140.8 1870.0 2.274 139.7 1871.0 2.254 138.5 1872.0 2.234 137.3 1873.0 2.216 136.1 1874.0 2.198 134.9 1875.0 2.181 133.7 1876.0 2.165 132.5 1877.0 2.149 131.2 1878.0 2.135 129.9 1879.0 2.122 128.6 1880.0 2.110 127.3 1881.0 2.098 126.0 1882.0 2.088 124.6 1883.0 2.079 123.3 1884.0 2.071 121.9 1885.0 2.064 120.5 1886.0 2.058 119.2 1887.0 2.053 117.8 1888.0 2.049 116.4 1889.0 2.047 115.0 1890.0 2.045 113.6 1891.0 2.045 112.1 1892.0 2.046 110.7 1893.0 2.047 109.3 1894.0 2.050 107.9 1895.0 2.054 106.5 1896.0 2.060 105.1 1897.0 2.066 103.8 1898.0 2.073 102.4 1899.0 2.082 101.0 1900.0 2.091 99.7 1901.0 2.101 98.3 1902.0 2.113 97.0 1903.0 2.125 95.7 1904.0 2.139 94.4 1905.0 2.153 93.1 1906.0 2.168 91.9 1907.0 2.184 90.6 1908.0 2.201 89.4 1909.0 2.219 88.2 1910.0 2.238 87.0 1911.0 2.257 85.8 1912.0 2.278 84.7 1913.0 2.299 83.6 1914.0 2.320 82.5 1915.0 2.343 81.4 1916.0 2.366 80.3 1917.0 2.389 79.3 1918.0 2.414 78.3 1919.0 2.438 77.3 1920.0 2.464 76.3 1921.0 2.490 75.3 1922.0 2.516 74.4 1923.0 2.543 73.5 1924.0 2.570 72.6 1925.0 2.598 71.7 1926.0 2.626 70.8 1927.0 2.654 70.0 1928.0 2.683 69.2 1929.0 2.712 68.3 1930.0 2.741 67.6 1931.0 2.771 66.8 1932.0 2.801 66.0 1933.0 2.831 65.3 1934.0 2.861 64.6 1935.0 2.892 63.8 1936.0 2.923 63.1 1937.0 2.953 62.5 1938.0 2.984 61.8 1939.0 3.015 61.1 1940.0 3.046 60.5 1941.0 3.077 59.9 1942.0 3.109 59.3 1943.0 3.140 58.7 1944.0 3.171 58.1 1945.0 3.202 57.5 1946.0 3.233 56.9 1947.0 3.264 56.4 1948.0 3.295 55.8 1949.0 3.326 55.3 1950.0 3.357 54.7 1951.0 3.387 54.2 1952.0 3.418 53.7 1953.0 3.448 53.2 1954.0 3.478 52.7 1955.0 3.508 52.3 1956.0 3.537 51.8 1957.0 3.567 51.3 1958.0 3.595 50.9 1959.0 3.624 50.4 1960.0 3.652 50.0 1961.0 3.680 49.5 1962.0 3.708 49.1 1963.0 3.735 48.7 1964.0 3.761 48.2 1965.0 3.787 47.8 1966.0 3.813 47.4 1967.0 3.838 47.0 1968.0 3.863 46.6 1969.0 3.886 46.2 1970.0 3.910 45.8 1971.0 3.932 45.5 1972.0 3.954 45.1 1973.0 3.975 44.7 1974.0 3.996 44.3 1975.0 4.015 44.0 1976.0 4.034 43.6 1977.0 4.051 43.2 1978.0 4.068 42.9 1979.0 4.084 42.5 1980.0 4.099 42.2 1981.0 4.112 41.8 1982.0 4.125 41.5 1983.0 4.136 41.1 1984.0 4.145 40.8 1985.0 4.154 40.5 1986.0 4.161 40.1 1987.0 4.166 39.8 1988.0 4.170 39.4 1989.0 4.172 39.1 1990.0 4.172 38.8 1991.0 4.170 38.4 1992.0 4.167 38.1 1993.0 4.161 37.8 1994.0 4.152 37.4 1995.0 4.142 37.1 1996.0 4.128 36.7 1997.0 4.112 36.4 1998.0 4.093 36.0 1999.0 4.071 35.7 2000.0 4.046 35.3 2001.0 4.017 35.0 2002.0 3.984 34.6 2003.0 3.946 34.2 2004.0 3.905 33.8 2005.0 3.859 33.4 2006.0 3.807 33.0 2007.0 3.750 32.6 2008.0 3.687 32.2 2009.0 3.617 31.8 2010.0 3.540 31.3 2011.0 3.456 30.8 2012.0 3.363 30.3 2013.0 3.261 29.8 2014.0 3.149 29.2 2015.0 3.027 28.6 2016.0 2.892 27.9 2017.0 2.746 27.2 2018.0 2.586 26.4 2019.0 2.411 25.4 2020.0 2.222 24.3 2021.0 2.017 23.0 2022.0 1.797 21.4 2023.0 1.562 19.3 2024.0 1.315 16.4 2025.0 1.058 12.2 2026.0 0.798 5.2 2027.0 0.551 351.7 2028.0 0.370 321.6 2029.0 0.379 274.8 2030.0 0.569 246.5 2031.0 0.819 233.7 2032.0 1.082 227.1 2033.0 1.344 223.1 2034.0 1.600 220.3 2035.0 1.848 218.3 2036.0 2.086 216.8 2037.0 2.315 215.6 2038.0 2.533 214.6 2039.0 2.741 213.7 2040.0 2.939 213.0 2041.0 3.128 212.4 2042.0 3.308 211.8 2043.0 3.480 211.3 2044.0 3.644 210.8 2045.0 3.800 210.4 2046.0 3.950 210.0 2047.0 4.092 209.6 2048.0 4.228 209.3 2049.0 4.358 209.0 2050.0 4.483 208.7 2051.0 4.602 208.4 2052.0 4.716 208.1 2053.0 4.825 207.9 2054.0 4.930 207.6 2055.0 5.031 207.4 2056.0 5.127 207.2 2057.0 5.219 206.9 2058.0 5.308 206.7 2059.0 5.393 206.5 2060.0 5.475 206.3 2061.0 5.553 206.1 2062.0 5.628 205.9 2063.0 5.701 205.8 2064.0 5.770 205.6 2065.0 5.837 205.4 2066.0 5.901 205.2 2067.0 5.962 205.1 2068.0 6.022 204.9 2069.0 6.078 204.7 2070.0 6.133 204.6 2071.0 6.185 204.4 2072.0 6.236 204.3 2073.0 6.284 204.1 2074.0 6.330 204.0 2075.0 6.374 203.8 2076.0 6.417 203.7 2077.0 6.458 203.5 2078.0 6.497 203.4 2079.0 6.534 203.3 2080.0 6.570 203.1 2081.0 6.604 203.0 2082.0 6.637 202.9 2083.0 6.668 202.7 2084.0 6.698 202.6 2085.0 6.726 202.5 2086.0 6.753 202.3 2087.0 6.779 202.2 2088.0 6.803 202.1 2089.0 6.827 202.0 2090.0 6.849 201.8 2091.0 6.869 201.7 2092.0 6.889 201.6 2093.0 6.907 201.5 2094.0 6.925 201.3 2095.0 6.941 201.2 2096.0 6.956 201.1 2097.0 6.971 201.0 2098.0 6.984 200.8 2099.0 6.996 200.7 2100.0 7.007 200.6 2101.0 7.018 200.5 2102.0 7.027 200.4 2103.0 7.036 200.2 2104.0 7.043 200.1 2105.0 7.050 200.0 2106.0 7.056 199.9 2107.0 7.061 199.8 2108.0 7.065 199.7 2109.0 7.069 199.5 2110.0 7.072 199.4 2111.0 7.074 199.3 2112.0 7.075 199.2 2113.0 7.076 199.1 2114.0 7.075 198.9 2115.0 7.075 198.8 2116.0 7.073 198.7 2117.0 7.071 198.6 2118.0 7.068 198.5 2119.0 7.064 198.4 2120.0 7.060 198.2 2121.0 7.055 198.1 2122.0 7.050 198.0 2123.0 7.044 197.9 2124.0 7.037 197.8 2125.0 7.030 197.6 2126.0 7.022 197.5 2127.0 7.014 197.4 2128.0 7.005 197.3 2129.0 6.995 197.2 2130.0 6.985 197.1 2131.0 6.975 196.9 2132.0 6.964 196.8 2133.0 6.952 196.7 2134.0 6.940 196.6 2135.0 6.928 196.4 2136.0 6.915 196.3 2137.0 6.901 196.2 2138.0 6.887 196.1 2139.0 6.873 195.9 2140.0 6.858 195.8 2141.0 6.842 195.7 2142.0 6.826 195.6 2143.0 6.810 195.4 2144.0 6.793 195.3 2145.0 6.776 195.2 2146.0 6.759 195.1 2147.0 6.741 194.9 2148.0 6.723 194.8 2149.0 6.704 194.7 2150.0 6.685 194.5 2151.0 6.665 194.4 2152.0 6.645 194.3 2153.0 6.625 194.1 2154.0 6.604 194.0 2155.0 6.583 193.9 2156.0 6.562 193.7 2157.0 6.540 193.6 2158.0 6.518 193.5 2159.0 6.496 193.3 2160.0 6.473 193.2 2161.0 6.450 193.0 2162.0 6.426 192.9 2163.0 6.403 192.8 2164.0 6.379 192.6 2165.0 6.354 192.5 2166.0 6.330 192.3 2167.0 6.305 192.2 2168.0 6.279 192.0 2169.0 6.254 191.9 2170.0 6.228 191.7 2171.0 6.202 191.6 2172.0 6.175 191.4 2173.0 6.148 191.3 2174.0 6.121 191.1 2175.0 6.094 191.0 2176.0 6.067 190.8 2177.0 6.039 190.6 2178.0 6.011 190.5 2179.0 5.982 190.3 2180.0 5.954 190.1 2181.0 5.925 190.0 2182.0 5.896 189.8 2183.0 5.867 189.6 2184.0 5.837 189.5 2185.0 5.807 189.3 2186.0 5.777 189.1 2187.0 5.747 188.9 2188.0 5.716 188.8 2189.0 5.686 188.6 2190.0 5.655 188.4 2191.0 5.624 188.2 2192.0 5.593 188.0 2193.0 5.561 187.8 2194.0 5.529 187.6 2195.0 5.497 187.4 2196.0 5.465 187.3 2197.0 5.433 187.1 2198.0 5.401 186.9 2199.0 5.368 186.6 2200.0 5.335 186.4 2201.0 5.302 186.2 2202.0 5.269 186.0 2203.0 5.236 185.8 2204.0 5.202 185.6 2205.0 5.169 185.4 2206.0 5.135 185.2 2207.0 5.101 184.9 2208.0 5.067 184.7 2209.0 5.033 184.5 2210.0 4.998 184.2 2211.0 4.964 184.0 2212.0 4.929 183.8 2213.0 4.894 183.5 2214.0 4.859 183.3 2215.0 4.824 183.0 2216.0 4.789 182.8 2217.0 4.754 182.5 2218.0 4.719 182.2 2219.0 4.683 182.0 2220.0 4.648 181.7 2221.0 4.612 181.4 2222.0 4.576 181.2 2223.0 4.540 180.9 2224.0 4.504 180.6 2225.0 4.468 180.3 2226.0 4.432 180.0 2227.0 4.396 179.7 2228.0 4.360 179.4 2229.0 4.324 179.1 2230.0 4.288 178.8 2231.0 4.251 178.4 2232.0 4.215 178.1 2233.0 4.178 177.8 2234.0 4.142 177.4