| WDS: | DON609 | WDS ID/Discoverer |
| P: | 620.000 | Orbital period (years) |
| a: | 0.336 | Semi-major axis (arcseconds) |
| i: | 107.6 | Inclination (degrees) |
| Ω: | 123.5 | Longitude of ascending node (degrees) |
| T: | 1999.860 | Epoch of periastron passage (year) |
| e: | 0.5 | Eccentricity |
| ω: | 237.7 | Longitude of periastron (degrees) |
| Start-Year: | 1715.0 | Year |
| End-Year: | 2335.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for DON609 |
||
| Position: | 133845.04-701111.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13387-7011 | WDS designation |
| Discoverer Code: | DON609 | Discover designation and components |
| ADS number: | . | Aitken Double Star catalog |
| HD number: | 118326 | HD catalog number |
| Hipparcos number: | 66572 | Hipparcos catalog number |
| V1: | 9.73 | Magnitude of the primary |
| V2: | 10.55 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2020 | 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: | Tok2021f | 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 0.078 168.31 -------------------------- 1715.00 0.263 92.45 1716.00 0.261 92.20 1717.00 0.260 91.94 1718.00 0.258 91.69 1719.00 0.257 91.43 1720.00 0.255 91.17 1721.00 0.254 90.90 1722.00 0.252 90.63 1723.00 0.251 90.36 1724.00 0.249 90.09 1725.00 0.248 89.81 1726.00 0.246 89.53 1727.00 0.245 89.24 1728.00 0.243 88.96 1729.00 0.242 88.66 1730.00 0.240 88.37 1731.00 0.239 88.07 1732.00 0.237 87.77 1733.00 0.236 87.46 1734.00 0.234 87.15 1735.00 0.233 86.83 1736.00 0.231 86.52 1737.00 0.230 86.19 1738.00 0.228 85.87 1739.00 0.227 85.53 1740.00 0.225 85.20 1741.00 0.224 84.86 1742.00 0.222 84.51 1743.00 0.221 84.16 1744.00 0.219 83.81 1745.00 0.218 83.45 1746.00 0.216 83.08 1747.00 0.215 82.71 1748.00 0.213 82.34 1749.00 0.212 81.96 1750.00 0.210 81.57 1751.00 0.209 81.18 1752.00 0.207 80.78 1753.00 0.206 80.38 1754.00 0.204 79.97 1755.00 0.203 79.56 1756.00 0.201 79.14 1757.00 0.200 78.71 1758.00 0.198 78.28 1759.00 0.197 77.84 1760.00 0.195 77.39 1761.00 0.194 76.94 1762.00 0.192 76.48 1763.00 0.191 76.01 1764.00 0.190 75.54 1765.00 0.188 75.05 1766.00 0.187 74.57 1767.00 0.185 74.07 1768.00 0.184 73.57 1769.00 0.183 73.06 1770.00 0.181 72.54 1771.00 0.180 72.01 1772.00 0.178 71.48 1773.00 0.177 70.93 1774.00 0.176 70.38 1775.00 0.174 69.82 1776.00 0.173 69.25 1777.00 0.172 68.67 1778.00 0.170 68.09 1779.00 0.169 67.49 1780.00 0.168 66.89 1781.00 0.167 66.27 1782.00 0.165 65.65 1783.00 0.164 65.01 1784.00 0.163 64.37 1785.00 0.162 63.72 1786.00 0.160 63.06 1787.00 0.159 62.38 1788.00 0.158 61.70 1789.00 0.157 61.01 1790.00 0.156 60.31 1791.00 0.155 59.59 1792.00 0.154 58.87 1793.00 0.152 58.14 1794.00 0.151 57.39 1795.00 0.150 56.64 1796.00 0.149 55.88 1797.00 0.148 55.10 1798.00 0.147 54.31 1799.00 0.146 53.52 1800.00 0.145 52.71 1801.00 0.145 51.90 1802.00 0.144 51.07 1803.00 0.143 50.23 1804.00 0.142 49.39 1805.00 0.141 48.53 1806.00 0.140 47.66 1807.00 0.140 46.79 1808.00 0.139 45.90 1809.00 0.138 45.01 1810.00 0.137 44.10 1811.00 0.137 43.19 1812.00 0.136 42.27 1813.00 0.136 41.34 1814.00 0.135 40.40 1815.00 0.135 39.46 1816.00 0.134 38.51 1817.00 0.134 37.55 1818.00 0.133 36.58 1819.00 0.133 35.61 1820.00 0.132 34.63 1821.00 0.132 33.65 1822.00 0.132 32.66 1823.00 0.131 31.67 1824.00 0.131 30.68 1825.00 0.131 29.68 1826.00 0.131 28.68 1827.00 0.131 27.67 1828.00 0.131 26.67 1829.00 0.131 25.66 1830.00 0.130 24.65 1831.00 0.130 23.64 1832.00 0.130 22.63 1833.00 0.131 21.63 1834.00 0.131 20.62 1835.00 0.131 19.62 1836.00 0.131 18.61 1837.00 0.131 17.61 1838.00 0.131 16.62 1839.00 0.132 15.63 1840.00 0.132 14.64 1841.00 0.132 13.65 1842.00 0.133 12.68 1843.00 0.133 11.70 1844.00 0.133 10.74 1845.00 0.134 9.77 1846.00 0.134 8.82 1847.00 0.135 7.87 1848.00 0.135 6.93 1849.00 0.136 6.00 1850.00 0.137 5.08 1851.00 0.137 4.16 1852.00 0.138 3.25 1853.00 0.139 2.35 1854.00 0.139 1.46 1855.00 0.140 0.58 1856.00 0.141 359.71 1857.00 0.141 358.85 1858.00 0.142 357.99 1859.00 0.143 357.15 1860.00 0.144 356.32 1861.00 0.145 355.49 1862.00 0.146 354.68 1863.00 0.147 353.87 1864.00 0.147 353.08 1865.00 0.148 352.30 1866.00 0.149 351.52 1867.00 0.150 350.76 1868.00 0.151 350.00 1869.00 0.152 349.26 1870.00 0.153 348.52 1871.00 0.154 347.79 1872.00 0.155 347.08 1873.00 0.156 346.37 1874.00 0.157 345.67 1875.00 0.159 344.99 1876.00 0.160 344.31 1877.00 0.161 343.64 1878.00 0.162 342.98 1879.00 0.163 342.33 1880.00 0.164 341.69 1881.00 0.165 341.05 1882.00 0.166 340.43 1883.00 0.167 339.81 1884.00 0.169 339.20 1885.00 0.170 338.60 1886.00 0.171 338.01 1887.00 0.172 337.42 1888.00 0.173 336.85 1889.00 0.174 336.28 1890.00 0.175 335.72 1891.00 0.177 335.16 1892.00 0.178 334.62 1893.00 0.179 334.08 1894.00 0.180 333.54 1895.00 0.181 333.02 1896.00 0.182 332.50 1897.00 0.183 331.98 1898.00 0.185 331.48 1899.00 0.186 330.98 1900.00 0.187 330.48 1901.00 0.188 329.99 1902.00 0.189 329.51 1903.00 0.190 329.03 1904.00 0.191 328.56 1905.00 0.192 328.09 1906.00 0.193 327.63 1907.00 0.194 327.17 1908.00 0.195 326.72 1909.00 0.196 326.27 1910.00 0.197 325.83 1911.00 0.198 325.39 1912.00 0.199 324.96 1913.00 0.200 324.53 1914.00 0.201 324.10 1915.00 0.202 323.68 1916.00 0.203 323.26 1917.00 0.204 322.85 1918.00 0.205 322.44 1919.00 0.206 322.03 1920.00 0.207 321.63 1921.00 0.207 321.23 1922.00 0.208 320.83 1923.00 0.209 320.44 1924.00 0.210 320.04 1925.00 0.210 319.66 1926.00 0.211 319.27 1927.00 0.212 318.88 1928.00 0.212 318.50 1929.00 0.213 318.12 1930.00 0.213 317.74 1931.00 0.214 317.37 1932.00 0.214 316.99 1933.00 0.215 316.62 1934.00 0.215 316.25 1935.00 0.216 315.88 1936.00 0.216 315.51 1937.00 0.216 315.15 1938.00 0.217 314.78 1939.00 0.217 314.41 1940.00 0.217 314.05 1941.00 0.217 313.69 1942.00 0.217 313.32 1943.00 0.217 312.96 1944.00 0.217 312.59 1945.00 0.217 312.23 1946.00 0.217 311.87 1947.00 0.217 311.50 1948.00 0.217 311.14 1949.00 0.216 310.77 1950.00 0.216 310.40 1951.00 0.216 310.03 1952.00 0.215 309.66 1953.00 0.215 309.29 1954.00 0.214 308.92 1955.00 0.213 308.54 1956.00 0.213 308.16 1957.00 0.212 307.78 1958.00 0.211 307.40 1959.00 0.210 307.01 1960.00 0.209 306.62 1961.00 0.208 306.23 1962.00 0.207 305.83 1963.00 0.206 305.42 1964.00 0.204 305.02 1965.00 0.203 304.60 1966.00 0.201 304.18 1967.00 0.200 303.75 1968.00 0.198 303.32 1969.00 0.196 302.88 1970.00 0.195 302.43 1971.00 0.193 301.97 1972.00 0.191 301.51 1973.00 0.189 301.03 1974.00 0.186 300.54 1975.00 0.184 300.04 1976.00 0.182 299.53 1977.00 0.179 299.00 1978.00 0.177 298.46 1979.00 0.174 297.90 1980.00 0.171 297.32 1981.00 0.168 296.73 1982.00 0.165 296.11 1983.00 0.162 295.47 1984.00 0.159 294.81 1985.00 0.156 294.12 1986.00 0.153 293.39 1987.00 0.149 292.64 1988.00 0.146 291.85 1989.00 0.142 291.02 1990.00 0.138 290.15 1991.00 0.135 289.23 1992.00 0.131 288.26 1993.00 0.127 287.23 1994.00 0.123 286.13 1995.00 0.119 284.96 1996.00 0.115 283.71 1997.00 0.111 282.37 1998.00 0.107 280.93 1999.00 0.103 279.38 2000.00 0.099 277.69 2001.00 0.095 275.87 2002.00 0.091 273.87 2003.00 0.087 271.69 2004.00 0.083 269.31 2005.00 0.079 266.69 2006.00 0.075 263.80 2007.00 0.072 260.62 2008.00 0.068 257.12 2009.00 0.065 253.26 2010.00 0.062 249.03 2011.00 0.060 244.41 2012.00 0.058 239.40 2013.00 0.056 234.05 2014.00 0.054 228.39 2015.00 0.054 222.51 2016.00 0.053 216.52 2017.00 0.054 210.54 2018.00 0.055 204.69 2019.00 0.056 199.07 2020.00 0.058 193.77 2021.00 0.060 188.82 2022.00 0.063 184.27 2023.00 0.066 180.10 2024.00 0.069 176.31 2025.00 0.072 172.87 2026.00 0.076 169.75 2027.00 0.080 166.93 2028.00 0.084 164.37 2029.00 0.088 162.04 2030.00 0.092 159.92 2031.00 0.096 157.98 2032.00 0.101 156.21 2033.00 0.105 154.58 2034.00 0.109 153.08 2035.00 0.114 151.70 2036.00 0.118 150.42 2037.00 0.122 149.23 2038.00 0.127 148.12 2039.00 0.131 147.08 2040.00 0.135 146.11 2041.00 0.140 145.21 2042.00 0.144 144.35 2043.00 0.148 143.55 2044.00 0.152 142.79 2045.00 0.157 142.07 2046.00 0.161 141.39 2047.00 0.165 140.74 2048.00 0.169 140.12 2049.00 0.173 139.54 2050.00 0.177 138.98 2051.00 0.181 138.44 2052.00 0.185 137.93 2053.00 0.189 137.44 2054.00 0.193 136.97 2055.00 0.197 136.52 2056.00 0.200 136.08 2057.00 0.204 135.66 2058.00 0.208 135.26 2059.00 0.212 134.87 2060.00 0.215 134.49 2061.00 0.219 134.13 2062.00 0.222 133.78 2063.00 0.226 133.43 2064.00 0.229 133.10 2065.00 0.233 132.78 2066.00 0.236 132.47 2067.00 0.239 132.16 2068.00 0.242 131.87 2069.00 0.246 131.58 2070.00 0.249 131.30 2071.00 0.252 131.02 2072.00 0.255 130.76 2073.00 0.258 130.50 2074.00 0.261 130.24 2075.00 0.264 129.99 2076.00 0.267 129.75 2077.00 0.270 129.51 2078.00 0.273 129.28 2079.00 0.276 129.05 2080.00 0.278 128.83 2081.00 0.281 128.61 2082.00 0.284 128.39 2083.00 0.286 128.18 2084.00 0.289 127.97 2085.00 0.291 127.77 2086.00 0.294 127.57 2087.00 0.296 127.37 2088.00 0.299 127.18 2089.00 0.301 126.99 2090.00 0.304 126.80 2091.00 0.306 126.61 2092.00 0.308 126.43 2093.00 0.310 126.25 2094.00 0.313 126.08 2095.00 0.315 125.90 2096.00 0.317 125.73 2097.00 0.319 125.56 2098.00 0.321 125.39 2099.00 0.323 125.23 2100.00 0.325 125.06 2101.00 0.327 124.90 2102.00 0.329 124.74 2103.00 0.331 124.59 2104.00 0.333 124.43 2105.00 0.335 124.28 2106.00 0.337 124.12 2107.00 0.338 123.97 2108.00 0.340 123.82 2109.00 0.342 123.68 2110.00 0.344 123.53 2111.00 0.345 123.38 2112.00 0.347 123.24 2113.00 0.348 123.10 2114.00 0.350 122.96 2115.00 0.351 122.82 2116.00 0.353 122.68 2117.00 0.354 122.54 2118.00 0.356 122.41 2119.00 0.357 122.27 2120.00 0.359 122.14 2121.00 0.360 122.01 2122.00 0.361 121.87 2123.00 0.363 121.74 2124.00 0.364 121.61 2125.00 0.365 121.48 2126.00 0.366 121.36 2127.00 0.368 121.23 2128.00 0.369 121.10 2129.00 0.370 120.98 2130.00 0.371 120.85 2131.00 0.372 120.73 2132.00 0.373 120.60 2133.00 0.374 120.48 2134.00 0.375 120.36 2135.00 0.376 120.24 2136.00 0.377 120.12 2137.00 0.378 120.00 2138.00 0.379 119.88 2139.00 0.380 119.76 2140.00 0.381 119.64 2141.00 0.382 119.52 2142.00 0.383 119.40 2143.00 0.383 119.29 2144.00 0.384 119.17 2145.00 0.385 119.05 2146.00 0.386 118.94 2147.00 0.386 118.82 2148.00 0.387 118.71 2149.00 0.388 118.59 2150.00 0.388 118.48 2151.00 0.389 118.36 2152.00 0.390 118.25 2153.00 0.390 118.14 2154.00 0.391 118.03 2155.00 0.391 117.91 2156.00 0.392 117.80 2157.00 0.392 117.69 2158.00 0.393 117.58 2159.00 0.393 117.47 2160.00 0.394 117.36 2161.00 0.394 117.25 2162.00 0.394 117.14 2163.00 0.395 117.03 2164.00 0.395 116.92 2165.00 0.396 116.81 2166.00 0.396 116.70 2167.00 0.396 116.59 2168.00 0.396 116.48 2169.00 0.397 116.37 2170.00 0.397 116.26 2171.00 0.397 116.15 2172.00 0.397 116.04 2173.00 0.398 115.93 2174.00 0.398 115.82 2175.00 0.398 115.72 2176.00 0.398 115.61 2177.00 0.398 115.50 2178.00 0.398 115.39 2179.00 0.398 115.28 2180.00 0.398 115.17 2181.00 0.398 115.07 2182.00 0.398 114.96 2183.00 0.399 114.85 2184.00 0.399 114.74 2185.00 0.398 114.63 2186.00 0.398 114.53 2187.00 0.398 114.42 2188.00 0.398 114.31 2189.00 0.398 114.20 2190.00 0.398 114.09 2191.00 0.398 113.98 2192.00 0.398 113.88 2193.00 0.398 113.77 2194.00 0.398 113.66 2195.00 0.397 113.55 2196.00 0.397 113.44 2197.00 0.397 113.33 2198.00 0.397 113.22 2199.00 0.397 113.12 2200.00 0.396 113.01 2201.00 0.396 112.90 2202.00 0.396 112.79 2203.00 0.395 112.68 2204.00 0.395 112.57 2205.00 0.395 112.46 2206.00 0.395 112.35 2207.00 0.394 112.24 2208.00 0.394 112.13 2209.00 0.393 112.02 2210.00 0.393 111.90 2211.00 0.393 111.79 2212.00 0.392 111.68 2213.00 0.392 111.57 2214.00 0.391 111.46 2215.00 0.391 111.35 2216.00 0.390 111.23 2217.00 0.390 111.12 2218.00 0.389 111.01 2219.00 0.389 110.89 2220.00 0.388 110.78 2221.00 0.388 110.67 2222.00 0.387 110.55 2223.00 0.387 110.44 2224.00 0.386 110.32 2225.00 0.386 110.21 2226.00 0.385 110.09 2227.00 0.384 109.98 2228.00 0.384 109.86 2229.00 0.383 109.74 2230.00 0.382 109.63 2231.00 0.382 109.51 2232.00 0.381 109.39 2233.00 0.380 109.27 2234.00 0.380 109.15 2235.00 0.379 109.03 2236.00 0.378 108.91 2237.00 0.378 108.79 2238.00 0.377 108.67 2239.00 0.376 108.55 2240.00 0.375 108.43 2241.00 0.374 108.31 2242.00 0.374 108.18 2243.00 0.373 108.06 2244.00 0.372 107.94 2245.00 0.371 107.81 2246.00 0.370 107.69 2247.00 0.370 107.56 2248.00 0.369 107.44 2249.00 0.368 107.31 2250.00 0.367 107.18 2251.00 0.366 107.06 2252.00 0.365 106.93 2253.00 0.364 106.80 2254.00 0.363 106.67 2255.00 0.362 106.54 2256.00 0.362 106.41 2257.00 0.361 106.28 2258.00 0.360 106.14 2259.00 0.359 106.01 2260.00 0.358 105.88 2261.00 0.357 105.74 2262.00 0.356 105.61 2263.00 0.355 105.47 2264.00 0.354 105.33 2265.00 0.353 105.20 2266.00 0.352 105.06 2267.00 0.351 104.92 2268.00 0.350 104.78 2269.00 0.348 104.64 2270.00 0.347 104.50 2271.00 0.346 104.35 2272.00 0.345 104.21 2273.00 0.344 104.07 2274.00 0.343 103.92 2275.00 0.342 103.77 2276.00 0.341 103.63 2277.00 0.340 103.48 2278.00 0.339 103.33 2279.00 0.337 103.18 2280.00 0.336 103.03 2281.00 0.335 102.87 2282.00 0.334 102.72 2283.00 0.333 102.57 2284.00 0.332 102.41 2285.00 0.330 102.25 2286.00 0.329 102.10 2287.00 0.328 101.94 2288.00 0.327 101.78 2289.00 0.326 101.62 2290.00 0.324 101.45 2291.00 0.323 101.29 2292.00 0.322 101.13 2293.00 0.321 100.96 2294.00 0.319 100.79 2295.00 0.318 100.62 2296.00 0.317 100.45 2297.00 0.316 100.28 2298.00 0.314 100.11 2299.00 0.313 99.93 2300.00 0.312 99.76 2301.00 0.310 99.58 2302.00 0.309 99.40 2303.00 0.308 99.22 2304.00 0.306 99.04 2305.00 0.305 98.85 2306.00 0.304 98.67 2307.00 0.302 98.48 2308.00 0.301 98.29 2309.00 0.300 98.10 2310.00 0.298 97.91 2311.00 0.297 97.72 2312.00 0.296 97.52 2313.00 0.294 97.32 2314.00 0.293 97.13 2315.00 0.291 96.92 2316.00 0.290 96.72 2317.00 0.289 96.52 2318.00 0.287 96.31 2319.00 0.286 96.10 2320.00 0.284 95.89 2321.00 0.283 95.68 2322.00 0.282 95.46 2323.00 0.280 95.24 2324.00 0.279 95.02 2325.00 0.277 94.80 2326.00 0.276 94.58 2327.00 0.274 94.35 2328.00 0.273 94.12 2329.00 0.272 93.89 2330.00 0.270 93.66 2331.00 0.269 93.42 2332.00 0.267 93.18 2333.00 0.266 92.94 2334.00 0.264 92.69
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:58:31 |