| WDS: | HU991 | WDS ID/Discoverer |
| P: | 631.800 | Orbital period (years) |
| a: | 1.425 | Semi-major axis (arcseconds) |
| i: | 44.8 | Inclination (degrees) |
| Ω: | 124.0 | Longitude of ascending node (degrees) |
| T: | 1976.850 | Epoch of periastron passage (year) |
| e: | 0.829 | Eccentricity |
| ω: | 48.4 | Longitude of periastron (degrees) |
| Start-Year: | 1709.1 | Year |
| End-Year: | 2340.9 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU991 |
||
| Position: | 230055.69+352157.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23009+3522 | WDS designation |
| Discoverer Code: | HU991 | Discover designation and components |
| ADS number: | 16448 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 113642 | Hipparcos catalog number |
| V1: | 10.23 | Magnitude of the primary |
| V2: | 11.17 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Lin2022b | 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 1.097 306.97 -------------------------- 1709.10 2.120 347.31 1710.10 2.118 347.42 1711.10 2.115 347.52 1712.10 2.112 347.62 1713.10 2.109 347.73 1714.10 2.107 347.83 1715.10 2.104 347.93 1716.10 2.101 348.04 1717.10 2.098 348.14 1718.10 2.095 348.24 1719.10 2.092 348.35 1720.10 2.089 348.45 1721.10 2.086 348.56 1722.10 2.083 348.67 1723.10 2.080 348.77 1724.10 2.077 348.88 1725.10 2.074 348.98 1726.10 2.071 349.09 1727.10 2.068 349.20 1728.10 2.064 349.31 1729.10 2.061 349.41 1730.10 2.058 349.52 1731.10 2.055 349.63 1732.10 2.051 349.74 1733.10 2.048 349.85 1734.10 2.044 349.96 1735.10 2.041 350.07 1736.10 2.038 350.18 1737.10 2.034 350.29 1738.10 2.031 350.40 1739.10 2.027 350.51 1740.10 2.023 350.62 1741.10 2.020 350.74 1742.10 2.016 350.85 1743.10 2.013 350.96 1744.10 2.009 351.08 1745.10 2.005 351.19 1746.10 2.001 351.30 1747.10 1.998 351.42 1748.10 1.994 351.53 1749.10 1.990 351.65 1750.10 1.986 351.77 1751.10 1.982 351.88 1752.10 1.978 352.00 1753.10 1.974 352.12 1754.10 1.970 352.24 1755.10 1.966 352.35 1756.10 1.962 352.47 1757.10 1.958 352.59 1758.10 1.954 352.71 1759.10 1.950 352.83 1760.10 1.946 352.95 1761.10 1.942 353.08 1762.10 1.937 353.20 1763.10 1.933 353.32 1764.10 1.929 353.44 1765.10 1.925 353.57 1766.10 1.920 353.69 1767.10 1.916 353.82 1768.10 1.912 353.94 1769.10 1.907 354.07 1770.10 1.903 354.19 1771.10 1.898 354.32 1772.10 1.894 354.45 1773.10 1.889 354.58 1774.10 1.884 354.71 1775.10 1.880 354.84 1776.10 1.875 354.97 1777.10 1.871 355.10 1778.10 1.866 355.23 1779.10 1.861 355.36 1780.10 1.856 355.49 1781.10 1.851 355.63 1782.10 1.847 355.76 1783.10 1.842 355.90 1784.10 1.837 356.03 1785.10 1.832 356.17 1786.10 1.827 356.31 1787.10 1.822 356.44 1788.10 1.817 356.58 1789.10 1.812 356.72 1790.10 1.807 356.86 1791.10 1.802 357.00 1792.10 1.797 357.15 1793.10 1.791 357.29 1794.10 1.786 357.43 1795.10 1.781 357.58 1796.10 1.776 357.72 1797.10 1.770 357.87 1798.10 1.765 358.01 1799.10 1.760 358.16 1800.10 1.754 358.31 1801.10 1.749 358.46 1802.10 1.743 358.61 1803.10 1.738 358.76 1804.10 1.732 358.91 1805.10 1.727 359.07 1806.10 1.721 359.22 1807.10 1.716 359.38 1808.10 1.710 359.53 1809.10 1.704 359.69 1810.10 1.699 359.85 1811.10 1.693 0.01 1812.10 1.687 0.17 1813.10 1.681 0.33 1814.10 1.675 0.50 1815.10 1.670 0.66 1816.10 1.664 0.83 1817.10 1.658 0.99 1818.10 1.652 1.16 1819.10 1.646 1.33 1820.10 1.640 1.50 1821.10 1.634 1.67 1822.10 1.627 1.84 1823.10 1.621 2.02 1824.10 1.615 2.19 1825.10 1.609 2.37 1826.10 1.603 2.55 1827.10 1.596 2.73 1828.10 1.590 2.91 1829.10 1.584 3.09 1830.10 1.577 3.27 1831.10 1.571 3.46 1832.10 1.564 3.65 1833.10 1.558 3.83 1834.10 1.551 4.02 1835.10 1.545 4.22 1836.10 1.538 4.41 1837.10 1.532 4.60 1838.10 1.525 4.80 1839.10 1.518 5.00 1840.10 1.511 5.20 1841.10 1.505 5.40 1842.10 1.498 5.60 1843.10 1.491 5.81 1844.10 1.484 6.02 1845.10 1.477 6.23 1846.10 1.470 6.44 1847.10 1.463 6.65 1848.10 1.456 6.87 1849.10 1.449 7.08 1850.10 1.442 7.30 1851.10 1.435 7.53 1852.10 1.428 7.75 1853.10 1.421 7.98 1854.10 1.413 8.21 1855.10 1.406 8.44 1856.10 1.399 8.67 1857.10 1.392 8.91 1858.10 1.384 9.14 1859.10 1.377 9.38 1860.10 1.369 9.63 1861.10 1.362 9.87 1862.10 1.354 10.12 1863.10 1.347 10.38 1864.10 1.339 10.63 1865.10 1.331 10.89 1866.10 1.324 11.15 1867.10 1.316 11.41 1868.10 1.308 11.68 1869.10 1.301 11.95 1870.10 1.293 12.22 1871.10 1.285 12.50 1872.10 1.277 12.78 1873.10 1.269 13.06 1874.10 1.261 13.35 1875.10 1.253 13.64 1876.10 1.245 13.93 1877.10 1.237 14.23 1878.10 1.229 14.53 1879.10 1.220 14.84 1880.10 1.212 15.15 1881.10 1.204 15.46 1882.10 1.196 15.78 1883.10 1.187 16.11 1884.10 1.179 16.43 1885.10 1.171 16.77 1886.10 1.162 17.10 1887.10 1.154 17.45 1888.10 1.145 17.80 1889.10 1.136 18.15 1890.10 1.128 18.51 1891.10 1.119 18.87 1892.10 1.110 19.24 1893.10 1.102 19.61 1894.10 1.093 20.00 1895.10 1.084 20.38 1896.10 1.075 20.78 1897.10 1.066 21.18 1898.10 1.057 21.58 1899.10 1.048 22.00 1900.10 1.039 22.42 1901.10 1.030 22.85 1902.10 1.021 23.29 1903.10 1.012 23.73 1904.10 1.003 24.18 1905.10 0.994 24.64 1906.10 0.984 25.11 1907.10 0.975 25.59 1908.10 0.966 26.08 1909.10 0.956 26.57 1910.10 0.947 27.08 1911.10 0.938 27.60 1912.10 0.928 28.13 1913.10 0.919 28.67 1914.10 0.909 29.22 1915.10 0.899 29.78 1916.10 0.890 30.35 1917.10 0.880 30.94 1918.10 0.870 31.54 1919.10 0.860 32.15 1920.10 0.851 32.78 1921.10 0.841 33.42 1922.10 0.831 34.08 1923.10 0.821 34.75 1924.10 0.811 35.44 1925.10 0.801 36.15 1926.10 0.791 36.87 1927.10 0.781 37.61 1928.10 0.771 38.38 1929.10 0.761 39.16 1930.10 0.751 39.96 1931.10 0.740 40.79 1932.10 0.730 41.64 1933.10 0.720 42.51 1934.10 0.710 43.41 1935.10 0.699 44.34 1936.10 0.689 45.29 1937.10 0.679 46.27 1938.10 0.668 47.28 1939.10 0.658 48.33 1940.10 0.647 49.41 1941.10 0.637 50.52 1942.10 0.627 51.67 1943.10 0.616 52.86 1944.10 0.606 54.09 1945.10 0.595 55.36 1946.10 0.585 56.68 1947.10 0.574 58.05 1948.10 0.563 59.47 1949.10 0.553 60.94 1950.10 0.542 62.48 1951.10 0.532 64.07 1952.10 0.521 65.73 1953.10 0.510 67.45 1954.10 0.500 69.25 1955.10 0.489 71.13 1956.10 0.478 73.09 1957.10 0.468 75.14 1958.10 0.457 77.29 1959.10 0.446 79.54 1960.10 0.435 81.91 1961.10 0.424 84.40 1962.10 0.413 87.02 1963.10 0.402 89.78 1964.10 0.390 92.71 1965.10 0.379 95.82 1966.10 0.367 99.12 1967.10 0.354 102.66 1968.10 0.341 106.45 1969.10 0.328 110.55 1970.10 0.314 115.00 1971.10 0.299 119.88 1972.10 0.284 125.28 1973.10 0.268 131.33 1974.10 0.251 138.16 1975.10 0.234 145.98 1976.10 0.218 154.99 1977.10 0.204 165.35 1978.10 0.193 177.05 1979.10 0.188 189.75 1980.10 0.189 202.77 1981.10 0.196 215.22 1982.10 0.209 226.44 1983.10 0.227 236.11 1984.10 0.248 244.26 1985.10 0.272 251.08 1986.10 0.296 256.79 1987.10 0.322 261.61 1988.10 0.347 265.72 1989.10 0.373 269.27 1990.10 0.399 272.35 1991.10 0.424 275.06 1992.10 0.449 277.47 1993.10 0.474 279.63 1994.10 0.499 281.57 1995.10 0.522 283.33 1996.10 0.546 284.94 1997.10 0.569 286.42 1998.10 0.592 287.78 1999.10 0.614 289.05 2000.10 0.636 290.22 2001.10 0.657 291.32 2002.10 0.678 292.35 2003.10 0.699 293.32 2004.10 0.719 294.23 2005.10 0.739 295.10 2006.10 0.758 295.92 2007.10 0.778 296.70 2008.10 0.797 297.44 2009.10 0.815 298.14 2010.10 0.833 298.82 2011.10 0.851 299.47 2012.10 0.869 300.09 2013.10 0.887 300.68 2014.10 0.904 301.26 2015.10 0.921 301.81 2016.10 0.937 302.34 2017.10 0.954 302.85 2018.10 0.970 303.35 2019.10 0.986 303.83 2020.10 1.001 304.30 2021.10 1.017 304.75 2022.10 1.032 305.18 2023.10 1.047 305.61 2024.10 1.062 306.02 2025.10 1.076 306.42 2026.10 1.091 306.82 2027.10 1.105 307.20 2028.10 1.119 307.57 2029.10 1.133 307.93 2030.10 1.147 308.28 2031.10 1.160 308.63 2032.10 1.174 308.97 2033.10 1.187 309.29 2034.10 1.200 309.62 2035.10 1.213 309.93 2036.10 1.225 310.24 2037.10 1.238 310.54 2038.10 1.250 310.84 2039.10 1.263 311.13 2040.10 1.275 311.42 2041.10 1.287 311.70 2042.10 1.299 311.97 2043.10 1.310 312.24 2044.10 1.322 312.51 2045.10 1.333 312.77 2046.10 1.345 313.02 2047.10 1.356 313.27 2048.10 1.367 313.52 2049.10 1.378 313.77 2050.10 1.389 314.01 2051.10 1.399 314.24 2052.10 1.410 314.48 2053.10 1.420 314.70 2054.10 1.431 314.93 2055.10 1.441 315.15 2056.10 1.451 315.37 2057.10 1.461 315.59 2058.10 1.471 315.80 2059.10 1.481 316.01 2060.10 1.491 316.22 2061.10 1.500 316.43 2062.10 1.510 316.63 2063.10 1.519 316.83 2064.10 1.529 317.03 2065.10 1.538 317.22 2066.10 1.547 317.42 2067.10 1.556 317.61 2068.10 1.565 317.80 2069.10 1.574 317.98 2070.10 1.582 318.17 2071.10 1.591 318.35 2072.10 1.600 318.53 2073.10 1.608 318.71 2074.10 1.617 318.88 2075.10 1.625 319.06 2076.10 1.633 319.23 2077.10 1.641 319.40 2078.10 1.649 319.57 2079.10 1.658 319.74 2080.10 1.665 319.91 2081.10 1.673 320.07 2082.10 1.681 320.23 2083.10 1.689 320.40 2084.10 1.696 320.56 2085.10 1.704 320.72 2086.10 1.711 320.87 2087.10 1.719 321.03 2088.10 1.726 321.18 2089.10 1.733 321.34 2090.10 1.740 321.49 2091.10 1.748 321.64 2092.10 1.755 321.79 2093.10 1.762 321.94 2094.10 1.768 322.09 2095.10 1.775 322.23 2096.10 1.782 322.38 2097.10 1.789 322.52 2098.10 1.795 322.66 2099.10 1.802 322.81 2100.10 1.808 322.95 2101.10 1.815 323.09 2102.10 1.821 323.23 2103.10 1.828 323.36 2104.10 1.834 323.50 2105.10 1.840 323.64 2106.10 1.846 323.77 2107.10 1.852 323.91 2108.10 1.858 324.04 2109.10 1.864 324.17 2110.10 1.870 324.30 2111.10 1.876 324.44 2112.10 1.881 324.57 2113.10 1.887 324.69 2114.10 1.893 324.82 2115.10 1.898 324.95 2116.10 1.904 325.08 2117.10 1.909 325.20 2118.10 1.915 325.33 2119.10 1.920 325.46 2120.10 1.925 325.58 2121.10 1.931 325.70 2122.10 1.936 325.83 2123.10 1.941 325.95 2124.10 1.946 326.07 2125.10 1.951 326.19 2126.10 1.956 326.31 2127.10 1.961 326.43 2128.10 1.966 326.55 2129.10 1.971 326.67 2130.10 1.975 326.79 2131.10 1.980 326.90 2132.10 1.985 327.02 2133.10 1.989 327.14 2134.10 1.994 327.25 2135.10 1.999 327.37 2136.10 2.003 327.48 2137.10 2.007 327.60 2138.10 2.012 327.71 2139.10 2.016 327.82 2140.10 2.020 327.94 2141.10 2.025 328.05 2142.10 2.029 328.16 2143.10 2.033 328.27 2144.10 2.037 328.38 2145.10 2.041 328.49 2146.10 2.045 328.60 2147.10 2.049 328.71 2148.10 2.053 328.82 2149.10 2.057 328.93 2150.10 2.060 329.04 2151.10 2.064 329.15 2152.10 2.068 329.25 2153.10 2.072 329.36 2154.10 2.075 329.47 2155.10 2.079 329.57 2156.10 2.082 329.68 2157.10 2.086 329.79 2158.10 2.089 329.89 2159.10 2.093 330.00 2160.10 2.096 330.10 2161.10 2.099 330.21 2162.10 2.103 330.31 2163.10 2.106 330.41 2164.10 2.109 330.52 2165.10 2.112 330.62 2166.10 2.115 330.72 2167.10 2.118 330.82 2168.10 2.121 330.93 2169.10 2.124 331.03 2170.10 2.127 331.13 2171.10 2.130 331.23 2172.10 2.133 331.33 2173.10 2.136 331.43 2174.10 2.139 331.53 2175.10 2.141 331.63 2176.10 2.144 331.73 2177.10 2.147 331.83 2178.10 2.149 331.93 2179.10 2.152 332.03 2180.10 2.154 332.13 2181.10 2.157 332.23 2182.10 2.159 332.33 2183.10 2.162 332.43 2184.10 2.164 332.53 2185.10 2.166 332.62 2186.10 2.169 332.72 2187.10 2.171 332.82 2188.10 2.173 332.92 2189.10 2.175 333.01 2190.10 2.177 333.11 2191.10 2.180 333.21 2192.10 2.182 333.30 2193.10 2.184 333.40 2194.10 2.186 333.50 2195.10 2.188 333.59 2196.10 2.190 333.69 2197.10 2.191 333.78 2198.10 2.193 333.88 2199.10 2.195 333.98 2200.10 2.197 334.07 2201.10 2.199 334.17 2202.10 2.200 334.26 2203.10 2.202 334.36 2204.10 2.204 334.45 2205.10 2.205 334.54 2206.10 2.207 334.64 2207.10 2.208 334.73 2208.10 2.210 334.83 2209.10 2.211 334.92 2210.10 2.213 335.01 2211.10 2.214 335.11 2212.10 2.215 335.20 2213.10 2.217 335.30 2214.10 2.218 335.39 2215.10 2.219 335.48 2216.10 2.220 335.58 2217.10 2.221 335.67 2218.10 2.223 335.76 2219.10 2.224 335.85 2220.10 2.225 335.95 2221.10 2.226 336.04 2222.10 2.227 336.13 2223.10 2.228 336.23 2224.10 2.229 336.32 2225.10 2.230 336.41 2226.10 2.230 336.50 2227.10 2.231 336.59 2228.10 2.232 336.69 2229.10 2.233 336.78 2230.10 2.233 336.87 2231.10 2.234 336.96 2232.10 2.235 337.06 2233.10 2.235 337.15 2234.10 2.236 337.24 2235.10 2.237 337.33 2236.10 2.237 337.42 2237.10 2.238 337.51 2238.10 2.238 337.61 2239.10 2.239 337.70 2240.10 2.239 337.79 2241.10 2.239 337.88 2242.10 2.240 337.97 2243.10 2.240 338.06 2244.10 2.240 338.16 2245.10 2.240 338.25 2246.10 2.241 338.34 2247.10 2.241 338.43 2248.10 2.241 338.52 2249.10 2.241 338.61 2250.10 2.241 338.70 2251.10 2.241 338.80 2252.10 2.241 338.89 2253.10 2.241 338.98 2254.10 2.241 339.07 2255.10 2.241 339.16 2256.10 2.241 339.25 2257.10 2.241 339.34 2258.10 2.240 339.44 2259.10 2.240 339.53 2260.10 2.240 339.62 2261.10 2.240 339.71 2262.10 2.239 339.80 2263.10 2.239 339.89 2264.10 2.239 339.98 2265.10 2.238 340.08 2266.10 2.238 340.17 2267.10 2.237 340.26 2268.10 2.237 340.35 2269.10 2.236 340.44 2270.10 2.236 340.53 2271.10 2.235 340.63 2272.10 2.235 340.72 2273.10 2.234 340.81 2274.10 2.233 340.90 2275.10 2.233 340.99 2276.10 2.232 341.09 2277.10 2.231 341.18 2278.10 2.230 341.27 2279.10 2.230 341.36 2280.10 2.229 341.46 2281.10 2.228 341.55 2282.10 2.227 341.64 2283.10 2.226 341.73 2284.10 2.225 341.83 2285.10 2.224 341.92 2286.10 2.223 342.01 2287.10 2.222 342.11 2288.10 2.221 342.20 2289.10 2.220 342.29 2290.10 2.218 342.38 2291.10 2.217 342.48 2292.10 2.216 342.57 2293.10 2.215 342.66 2294.10 2.213 342.76 2295.10 2.212 342.85 2296.10 2.211 342.95 2297.10 2.209 343.04 2298.10 2.208 343.13 2299.10 2.207 343.23 2300.10 2.205 343.32 2301.10 2.204 343.42 2302.10 2.202 343.51 2303.10 2.201 343.61 2304.10 2.199 343.70 2305.10 2.197 343.80 2306.10 2.196 343.89 2307.10 2.194 343.99 2308.10 2.192 344.08 2309.10 2.191 344.18 2310.10 2.189 344.27 2311.10 2.187 344.37 2312.10 2.185 344.47 2313.10 2.183 344.56 2314.10 2.182 344.66 2315.10 2.180 344.76 2316.10 2.178 344.85 2317.10 2.176 344.95 2318.10 2.174 345.05 2319.10 2.172 345.14 2320.10 2.170 345.24 2321.10 2.168 345.34 2322.10 2.165 345.44 2323.10 2.163 345.53 2324.10 2.161 345.63 2325.10 2.159 345.73 2326.10 2.157 345.83 2327.10 2.155 345.93 2328.10 2.152 346.03 2329.10 2.150 346.13 2330.10 2.148 346.23 2331.10 2.145 346.33 2332.10 2.143 346.43 2333.10 2.140 346.53 2334.10 2.138 346.63 2335.10 2.135 346.73 2336.10 2.133 346.83 2337.10 2.130 346.93 2338.10 2.128 347.03 2339.10 2.125 347.13 2340.10 2.123 347.23
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:46:09 |