| WDS: | HU642 | WDS ID/Discoverer |
| P: | 660.000 | Orbital period (years) |
| a: | 0.705 | Semi-major axis (arcseconds) |
| i: | 106.9 | Inclination (degrees) |
| Ω: | 47.5 | Longitude of ascending node (degrees) |
| T: | 1955.000 | Epoch of periastron passage (year) |
| e: | 0.408 | Eccentricity |
| ω: | 124.8 | Longitude of periastron (degrees) |
| Start-Year: | 1695.0 | Year |
| End-Year: | 2355.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU642 |
||
| Position: | 130426.98-131545.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 13044-1316 | WDS designation |
| Discoverer Code: | HU642 | Discover designation and components |
| ADS number: | 8762 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 63789 | Hipparcos catalog number |
| V1: | 10.66 | Magnitude of the primary |
| V2: | 10.41 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2018 | 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: | Doc2018l | 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 0.501 219.05 -------------------------- 1695.00 0.783 59.95 1696.00 0.785 59.84 1697.00 0.786 59.72 1698.00 0.788 59.60 1699.00 0.790 59.49 1700.00 0.791 59.37 1701.00 0.793 59.26 1702.00 0.794 59.14 1703.00 0.796 59.03 1704.00 0.797 58.92 1705.00 0.799 58.80 1706.00 0.800 58.69 1707.00 0.801 58.58 1708.00 0.803 58.47 1709.00 0.804 58.36 1710.00 0.805 58.24 1711.00 0.807 58.13 1712.00 0.808 58.02 1713.00 0.809 57.91 1714.00 0.810 57.80 1715.00 0.811 57.69 1716.00 0.813 57.58 1717.00 0.814 57.48 1718.00 0.815 57.37 1719.00 0.816 57.26 1720.00 0.817 57.15 1721.00 0.818 57.04 1722.00 0.819 56.94 1723.00 0.820 56.83 1724.00 0.821 56.72 1725.00 0.822 56.62 1726.00 0.822 56.51 1727.00 0.823 56.40 1728.00 0.824 56.30 1729.00 0.825 56.19 1730.00 0.825 56.08 1731.00 0.826 55.98 1732.00 0.827 55.87 1733.00 0.827 55.77 1734.00 0.828 55.66 1735.00 0.829 55.56 1736.00 0.829 55.45 1737.00 0.830 55.35 1738.00 0.830 55.25 1739.00 0.831 55.14 1740.00 0.831 55.04 1741.00 0.831 54.93 1742.00 0.832 54.83 1743.00 0.832 54.72 1744.00 0.832 54.62 1745.00 0.832 54.52 1746.00 0.833 54.41 1747.00 0.833 54.31 1748.00 0.833 54.21 1749.00 0.833 54.10 1750.00 0.833 54.00 1751.00 0.833 53.89 1752.00 0.833 53.79 1753.00 0.833 53.69 1754.00 0.833 53.58 1755.00 0.833 53.48 1756.00 0.833 53.38 1757.00 0.833 53.27 1758.00 0.832 53.17 1759.00 0.832 53.06 1760.00 0.832 52.96 1761.00 0.832 52.86 1762.00 0.831 52.75 1763.00 0.831 52.65 1764.00 0.830 52.54 1765.00 0.830 52.44 1766.00 0.829 52.33 1767.00 0.829 52.23 1768.00 0.828 52.13 1769.00 0.828 52.02 1770.00 0.827 51.92 1771.00 0.826 51.81 1772.00 0.825 51.70 1773.00 0.825 51.60 1774.00 0.824 51.49 1775.00 0.823 51.39 1776.00 0.822 51.28 1777.00 0.821 51.17 1778.00 0.820 51.07 1779.00 0.819 50.96 1780.00 0.818 50.85 1781.00 0.817 50.74 1782.00 0.816 50.64 1783.00 0.814 50.53 1784.00 0.813 50.42 1785.00 0.812 50.31 1786.00 0.810 50.20 1787.00 0.809 50.09 1788.00 0.808 49.98 1789.00 0.806 49.87 1790.00 0.805 49.76 1791.00 0.803 49.65 1792.00 0.802 49.54 1793.00 0.800 49.42 1794.00 0.798 49.31 1795.00 0.796 49.20 1796.00 0.795 49.08 1797.00 0.793 48.97 1798.00 0.791 48.86 1799.00 0.789 48.74 1800.00 0.787 48.62 1801.00 0.785 48.51 1802.00 0.783 48.39 1803.00 0.781 48.27 1804.00 0.779 48.16 1805.00 0.776 48.04 1806.00 0.774 47.92 1807.00 0.772 47.80 1808.00 0.769 47.67 1809.00 0.767 47.55 1810.00 0.765 47.43 1811.00 0.762 47.31 1812.00 0.760 47.18 1813.00 0.757 47.06 1814.00 0.754 46.93 1815.00 0.752 46.80 1816.00 0.749 46.68 1817.00 0.746 46.55 1818.00 0.743 46.42 1819.00 0.740 46.29 1820.00 0.737 46.15 1821.00 0.734 46.02 1822.00 0.731 45.89 1823.00 0.728 45.75 1824.00 0.725 45.62 1825.00 0.721 45.48 1826.00 0.718 45.34 1827.00 0.715 45.20 1828.00 0.711 45.06 1829.00 0.708 44.91 1830.00 0.704 44.77 1831.00 0.701 44.62 1832.00 0.697 44.48 1833.00 0.693 44.33 1834.00 0.689 44.18 1835.00 0.686 44.03 1836.00 0.682 43.87 1837.00 0.678 43.72 1838.00 0.674 43.56 1839.00 0.670 43.40 1840.00 0.666 43.24 1841.00 0.661 43.07 1842.00 0.657 42.91 1843.00 0.653 42.74 1844.00 0.648 42.57 1845.00 0.644 42.40 1846.00 0.639 42.22 1847.00 0.635 42.05 1848.00 0.630 41.87 1849.00 0.626 41.68 1850.00 0.621 41.50 1851.00 0.616 41.31 1852.00 0.611 41.12 1853.00 0.606 40.93 1854.00 0.601 40.73 1855.00 0.596 40.53 1856.00 0.591 40.32 1857.00 0.586 40.12 1858.00 0.581 39.90 1859.00 0.575 39.69 1860.00 0.570 39.47 1861.00 0.564 39.25 1862.00 0.559 39.02 1863.00 0.553 38.78 1864.00 0.548 38.55 1865.00 0.542 38.31 1866.00 0.536 38.06 1867.00 0.530 37.80 1868.00 0.525 37.55 1869.00 0.519 37.28 1870.00 0.512 37.01 1871.00 0.506 36.73 1872.00 0.500 36.45 1873.00 0.494 36.16 1874.00 0.488 35.86 1875.00 0.481 35.55 1876.00 0.475 35.24 1877.00 0.468 34.92 1878.00 0.462 34.58 1879.00 0.455 34.24 1880.00 0.449 33.89 1881.00 0.442 33.53 1882.00 0.435 33.15 1883.00 0.428 32.77 1884.00 0.421 32.37 1885.00 0.414 31.95 1886.00 0.407 31.53 1887.00 0.400 31.09 1888.00 0.393 30.63 1889.00 0.386 30.16 1890.00 0.379 29.66 1891.00 0.372 29.15 1892.00 0.364 28.62 1893.00 0.357 28.07 1894.00 0.349 27.49 1895.00 0.342 26.89 1896.00 0.335 26.26 1897.00 0.327 25.60 1898.00 0.319 24.91 1899.00 0.312 24.19 1900.00 0.304 23.43 1901.00 0.297 22.64 1902.00 0.289 21.80 1903.00 0.281 20.91 1904.00 0.274 19.98 1905.00 0.266 18.99 1906.00 0.259 17.94 1907.00 0.251 16.84 1908.00 0.243 15.66 1909.00 0.236 14.41 1910.00 0.228 13.07 1911.00 0.221 11.65 1912.00 0.214 10.12 1913.00 0.207 8.49 1914.00 0.199 6.75 1915.00 0.193 4.87 1916.00 0.186 2.86 1917.00 0.179 0.70 1918.00 0.173 358.37 1919.00 0.167 355.87 1920.00 0.161 353.19 1921.00 0.155 350.31 1922.00 0.150 347.22 1923.00 0.145 343.92 1924.00 0.141 340.41 1925.00 0.137 336.70 1926.00 0.134 332.80 1927.00 0.132 328.72 1928.00 0.130 324.50 1929.00 0.128 320.17 1930.00 0.128 315.79 1931.00 0.128 311.38 1932.00 0.129 307.01 1933.00 0.130 302.72 1934.00 0.132 298.55 1935.00 0.135 294.53 1936.00 0.139 290.70 1937.00 0.143 287.06 1938.00 0.147 283.62 1939.00 0.152 280.40 1940.00 0.157 277.38 1941.00 0.163 274.57 1942.00 0.169 271.95 1943.00 0.175 269.50 1944.00 0.181 267.23 1945.00 0.188 265.11 1946.00 0.194 263.14 1947.00 0.201 261.30 1948.00 0.208 259.58 1949.00 0.215 257.97 1950.00 0.222 256.47 1951.00 0.229 255.06 1952.00 0.237 253.73 1953.00 0.244 252.48 1954.00 0.251 251.31 1955.00 0.258 250.20 1956.00 0.265 249.15 1957.00 0.272 248.15 1958.00 0.280 247.21 1959.00 0.287 246.31 1960.00 0.294 245.46 1961.00 0.301 244.64 1962.00 0.307 243.86 1963.00 0.314 243.12 1964.00 0.321 242.40 1965.00 0.327 241.72 1966.00 0.334 241.06 1967.00 0.340 240.43 1968.00 0.347 239.82 1969.00 0.353 239.23 1970.00 0.359 238.66 1971.00 0.365 238.11 1972.00 0.371 237.58 1973.00 0.376 237.06 1974.00 0.382 236.56 1975.00 0.388 236.08 1976.00 0.393 235.61 1977.00 0.398 235.15 1978.00 0.403 234.70 1979.00 0.408 234.26 1980.00 0.413 233.83 1981.00 0.418 233.42 1982.00 0.422 233.01 1983.00 0.427 232.61 1984.00 0.431 232.22 1985.00 0.435 231.84 1986.00 0.439 231.46 1987.00 0.443 231.09 1988.00 0.447 230.73 1989.00 0.451 230.37 1990.00 0.454 230.02 1991.00 0.458 229.67 1992.00 0.461 229.33 1993.00 0.464 229.00 1994.00 0.467 228.66 1995.00 0.470 228.34 1996.00 0.473 228.01 1997.00 0.475 227.69 1998.00 0.478 227.37 1999.00 0.480 227.06 2000.00 0.482 226.75 2001.00 0.484 226.44 2002.00 0.486 226.14 2003.00 0.488 225.83 2004.00 0.490 225.53 2005.00 0.492 225.23 2006.00 0.493 224.94 2007.00 0.494 224.64 2008.00 0.496 224.35 2009.00 0.497 224.06 2010.00 0.498 223.76 2011.00 0.499 223.47 2012.00 0.500 223.19 2013.00 0.501 222.90 2014.00 0.501 222.61 2015.00 0.502 222.33 2016.00 0.502 222.04 2017.00 0.503 221.76 2018.00 0.503 221.47 2019.00 0.503 221.19 2020.00 0.503 220.90 2021.00 0.503 220.62 2022.00 0.503 220.33 2023.00 0.503 220.05 2024.00 0.503 219.76 2025.00 0.502 219.48 2026.00 0.502 219.19 2027.00 0.501 218.91 2028.00 0.501 218.62 2029.00 0.500 218.33 2030.00 0.499 218.05 2031.00 0.498 217.76 2032.00 0.497 217.47 2033.00 0.497 217.17 2034.00 0.495 216.88 2035.00 0.494 216.59 2036.00 0.493 216.29 2037.00 0.492 216.00 2038.00 0.491 215.70 2039.00 0.489 215.40 2040.00 0.488 215.10 2041.00 0.486 214.79 2042.00 0.485 214.49 2043.00 0.483 214.18 2044.00 0.482 213.87 2045.00 0.480 213.56 2046.00 0.478 213.25 2047.00 0.476 212.93 2048.00 0.474 212.61 2049.00 0.473 212.29 2050.00 0.471 211.97 2051.00 0.469 211.64 2052.00 0.467 211.31 2053.00 0.464 210.98 2054.00 0.462 210.65 2055.00 0.460 210.31 2056.00 0.458 209.97 2057.00 0.456 209.62 2058.00 0.453 209.27 2059.00 0.451 208.92 2060.00 0.449 208.57 2061.00 0.446 208.21 2062.00 0.444 207.84 2063.00 0.442 207.48 2064.00 0.439 207.11 2065.00 0.437 206.73 2066.00 0.434 206.35 2067.00 0.432 205.97 2068.00 0.429 205.58 2069.00 0.426 205.19 2070.00 0.424 204.79 2071.00 0.421 204.38 2072.00 0.418 203.98 2073.00 0.416 203.56 2074.00 0.413 203.14 2075.00 0.410 202.72 2076.00 0.408 202.29 2077.00 0.405 201.85 2078.00 0.402 201.41 2079.00 0.399 200.96 2080.00 0.396 200.51 2081.00 0.394 200.05 2082.00 0.391 199.58 2083.00 0.388 199.10 2084.00 0.385 198.62 2085.00 0.382 198.13 2086.00 0.380 197.64 2087.00 0.377 197.14 2088.00 0.374 196.63 2089.00 0.371 196.11 2090.00 0.368 195.58 2091.00 0.366 195.05 2092.00 0.363 194.50 2093.00 0.360 193.95 2094.00 0.357 193.39 2095.00 0.354 192.82 2096.00 0.351 192.25 2097.00 0.349 191.66 2098.00 0.346 191.06 2099.00 0.343 190.46 2100.00 0.340 189.84 2101.00 0.338 189.21 2102.00 0.335 188.58 2103.00 0.332 187.93 2104.00 0.330 187.28 2105.00 0.327 186.61 2106.00 0.324 185.93 2107.00 0.322 185.24 2108.00 0.319 184.54 2109.00 0.317 183.83 2110.00 0.314 183.11 2111.00 0.312 182.37 2112.00 0.309 181.62 2113.00 0.307 180.87 2114.00 0.304 180.09 2115.00 0.302 179.31 2116.00 0.300 178.52 2117.00 0.297 177.71 2118.00 0.295 176.89 2119.00 0.293 176.06 2120.00 0.291 175.22 2121.00 0.289 174.36 2122.00 0.287 173.49 2123.00 0.285 172.61 2124.00 0.283 171.72 2125.00 0.281 170.81 2126.00 0.279 169.89 2127.00 0.277 168.96 2128.00 0.276 168.02 2129.00 0.274 167.07 2130.00 0.272 166.11 2131.00 0.271 165.13 2132.00 0.269 164.14 2133.00 0.268 163.15 2134.00 0.267 162.14 2135.00 0.265 161.12 2136.00 0.264 160.10 2137.00 0.263 159.06 2138.00 0.262 158.02 2139.00 0.261 156.97 2140.00 0.260 155.91 2141.00 0.259 154.84 2142.00 0.259 153.77 2143.00 0.258 152.69 2144.00 0.257 151.60 2145.00 0.257 150.51 2146.00 0.256 149.42 2147.00 0.256 148.32 2148.00 0.256 147.22 2149.00 0.256 146.12 2150.00 0.255 145.02 2151.00 0.255 143.92 2152.00 0.255 142.81 2153.00 0.256 141.71 2154.00 0.256 140.61 2155.00 0.256 139.51 2156.00 0.257 138.42 2157.00 0.257 137.32 2158.00 0.258 136.24 2159.00 0.258 135.16 2160.00 0.259 134.08 2161.00 0.260 133.01 2162.00 0.261 131.94 2163.00 0.261 130.89 2164.00 0.263 129.84 2165.00 0.264 128.80 2166.00 0.265 127.77 2167.00 0.266 126.75 2168.00 0.267 125.74 2169.00 0.269 124.73 2170.00 0.270 123.74 2171.00 0.272 122.76 2172.00 0.273 121.79 2173.00 0.275 120.84 2174.00 0.277 119.89 2175.00 0.278 118.96 2176.00 0.280 118.04 2177.00 0.282 117.13 2178.00 0.284 116.23 2179.00 0.286 115.34 2180.00 0.288 114.47 2181.00 0.290 113.61 2182.00 0.293 112.77 2183.00 0.295 111.93 2184.00 0.297 111.11 2185.00 0.299 110.30 2186.00 0.302 109.51 2187.00 0.304 108.72 2188.00 0.307 107.95 2189.00 0.309 107.20 2190.00 0.312 106.45 2191.00 0.314 105.72 2192.00 0.317 104.99 2193.00 0.320 104.28 2194.00 0.322 103.59 2195.00 0.325 102.90 2196.00 0.328 102.23 2197.00 0.331 101.56 2198.00 0.334 100.91 2199.00 0.336 100.27 2200.00 0.339 99.64 2201.00 0.342 99.02 2202.00 0.345 98.41 2203.00 0.348 97.81 2204.00 0.351 97.22 2205.00 0.354 96.65 2206.00 0.357 96.08 2207.00 0.360 95.52 2208.00 0.363 94.97 2209.00 0.367 94.43 2210.00 0.370 93.90 2211.00 0.373 93.38 2212.00 0.376 92.86 2213.00 0.379 92.36 2214.00 0.382 91.86 2215.00 0.386 91.37 2216.00 0.389 90.89 2217.00 0.392 90.42 2218.00 0.395 89.96 2219.00 0.399 89.50 2220.00 0.402 89.05 2221.00 0.405 88.61 2222.00 0.408 88.17 2223.00 0.412 87.75 2224.00 0.415 87.32 2225.00 0.418 86.91 2226.00 0.422 86.50 2227.00 0.425 86.10 2228.00 0.428 85.70 2229.00 0.432 85.32 2230.00 0.435 84.93 2231.00 0.438 84.55 2232.00 0.442 84.18 2233.00 0.445 83.82 2234.00 0.448 83.46 2235.00 0.452 83.10 2236.00 0.455 82.75 2237.00 0.458 82.41 2238.00 0.462 82.07 2239.00 0.465 81.73 2240.00 0.468 81.40 2241.00 0.472 81.07 2242.00 0.475 80.75 2243.00 0.479 80.44 2244.00 0.482 80.13 2245.00 0.485 79.82 2246.00 0.489 79.51 2247.00 0.492 79.21 2248.00 0.495 78.92 2249.00 0.499 78.63 2250.00 0.502 78.34 2251.00 0.505 78.06 2252.00 0.509 77.78 2253.00 0.512 77.50 2254.00 0.515 77.23 2255.00 0.519 76.96 2256.00 0.522 76.69 2257.00 0.525 76.43 2258.00 0.529 76.17 2259.00 0.532 75.92 2260.00 0.535 75.66 2261.00 0.538 75.41 2262.00 0.542 75.17 2263.00 0.545 74.92 2264.00 0.548 74.68 2265.00 0.551 74.44 2266.00 0.555 74.21 2267.00 0.558 73.97 2268.00 0.561 73.75 2269.00 0.564 73.52 2270.00 0.567 73.29 2271.00 0.571 73.07 2272.00 0.574 72.85 2273.00 0.577 72.63 2274.00 0.580 72.42 2275.00 0.583 72.21 2276.00 0.586 72.00 2277.00 0.590 71.79 2278.00 0.593 71.58 2279.00 0.596 71.38 2280.00 0.599 71.18 2281.00 0.602 70.98 2282.00 0.605 70.78 2283.00 0.608 70.58 2284.00 0.611 70.39 2285.00 0.614 70.20 2286.00 0.617 70.01 2287.00 0.620 69.82 2288.00 0.623 69.63 2289.00 0.626 69.45 2290.00 0.629 69.27 2291.00 0.632 69.09 2292.00 0.635 68.91 2293.00 0.638 68.73 2294.00 0.641 68.55 2295.00 0.644 68.38 2296.00 0.646 68.20 2297.00 0.649 68.03 2298.00 0.652 67.86 2299.00 0.655 67.70 2300.00 0.658 67.53 2301.00 0.661 67.36 2302.00 0.663 67.20 2303.00 0.666 67.04 2304.00 0.669 66.87 2305.00 0.672 66.71 2306.00 0.674 66.55 2307.00 0.677 66.40 2308.00 0.680 66.24 2309.00 0.682 66.09 2310.00 0.685 65.93 2311.00 0.688 65.78 2312.00 0.690 65.63 2313.00 0.693 65.48 2314.00 0.695 65.33 2315.00 0.698 65.18 2316.00 0.700 65.03 2317.00 0.703 64.89 2318.00 0.705 64.74 2319.00 0.708 64.60 2320.00 0.710 64.45 2321.00 0.713 64.31 2322.00 0.715 64.17 2323.00 0.718 64.03 2324.00 0.720 63.89 2325.00 0.722 63.75 2326.00 0.725 63.61 2327.00 0.727 63.48 2328.00 0.729 63.34 2329.00 0.732 63.21 2330.00 0.734 63.07 2331.00 0.736 62.94 2332.00 0.738 62.81 2333.00 0.740 62.68 2334.00 0.743 62.55 2335.00 0.745 62.42 2336.00 0.747 62.29 2337.00 0.749 62.16 2338.00 0.751 62.03 2339.00 0.753 61.90 2340.00 0.755 61.78 2341.00 0.757 61.65 2342.00 0.759 61.53 2343.00 0.761 61.40 2344.00 0.763 61.28 2345.00 0.765 61.15 2346.00 0.767 61.03 2347.00 0.769 60.91 2348.00 0.771 60.79 2349.00 0.773 60.67 2350.00 0.774 60.55 2351.00 0.776 60.43 2352.00 0.778 60.31 2353.00 0.780 60.19 2354.00 0.781 60.07
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:52:22 |