| WDS: | HU987 | WDS ID/Discoverer |
| P: | 454.300 | Orbital period (years) |
| a: | 1.091 | Semi-major axis (arcseconds) |
| i: | 121.0 | Inclination (degrees) |
| Ω: | 65.5 | Longitude of ascending node (degrees) |
| T: | 1916.800 | Epoch of periastron passage (year) |
| e: | 0.495 | Eccentricity |
| ω: | 207.1 | Longitude of periastron (degrees) |
| Start-Year: | 1797.85 | Year |
| End-Year: | 2252.15 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for HU987 |
||
| Position: | 225543.52+154645.5 | Epoch-2000 right ascension and declination |
| WDS-ID: | 22557+1547 | WDS designation |
| Discoverer Code: | HU987 | Discover designation and components |
| ADS number: | 16373 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 113220 | Hipparcos catalog number |
| V1: | 9.23 | Magnitude of the primary |
| V2: | 9.73 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2023 | 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: | Doc2024b | 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 1.270 73.34 -------------------------- 1797.85 0.854 17.84 1798.85 0.846 17.25 1799.85 0.837 16.66 1800.85 0.829 16.05 1801.85 0.821 15.43 1802.85 0.813 14.80 1803.85 0.805 14.15 1804.85 0.797 13.50 1805.85 0.789 12.83 1806.85 0.781 12.14 1807.85 0.774 11.44 1808.85 0.766 10.73 1809.85 0.758 10.00 1810.85 0.750 9.26 1811.85 0.742 8.50 1812.85 0.734 7.73 1813.85 0.727 6.94 1814.85 0.719 6.13 1815.85 0.712 5.30 1816.85 0.704 4.46 1817.85 0.697 3.60 1818.85 0.689 2.72 1819.85 0.682 1.82 1820.85 0.675 0.90 1821.85 0.667 359.97 1822.85 0.660 359.01 1823.85 0.653 358.03 1824.85 0.647 357.03 1825.85 0.640 356.01 1826.85 0.633 354.97 1827.85 0.627 353.90 1828.85 0.620 352.82 1829.85 0.614 351.71 1830.85 0.608 350.58 1831.85 0.602 349.42 1832.85 0.596 348.25 1833.85 0.590 347.05 1834.85 0.585 345.82 1835.85 0.579 344.58 1836.85 0.574 343.31 1837.85 0.569 342.01 1838.85 0.564 340.70 1839.85 0.560 339.36 1840.85 0.555 338.00 1841.85 0.551 336.62 1842.85 0.547 335.22 1843.85 0.543 333.80 1844.85 0.540 332.36 1845.85 0.536 330.90 1846.85 0.533 329.43 1847.85 0.530 327.93 1848.85 0.528 326.43 1849.85 0.525 324.90 1850.85 0.523 323.37 1851.85 0.521 321.82 1852.85 0.520 320.26 1853.85 0.518 318.69 1854.85 0.517 317.12 1855.85 0.516 315.54 1856.85 0.516 313.95 1857.85 0.515 312.36 1858.85 0.515 310.77 1859.85 0.515 309.18 1860.85 0.515 307.59 1861.85 0.516 306.00 1862.85 0.517 304.42 1863.85 0.518 302.84 1864.85 0.519 301.27 1865.85 0.520 299.71 1866.85 0.522 298.16 1867.85 0.524 296.61 1868.85 0.526 295.08 1869.85 0.528 293.56 1870.85 0.530 292.05 1871.85 0.533 290.56 1872.85 0.535 289.08 1873.85 0.538 287.61 1874.85 0.540 286.16 1875.85 0.543 284.72 1876.85 0.546 283.30 1877.85 0.549 281.89 1878.85 0.552 280.50 1879.85 0.555 279.12 1880.85 0.558 277.75 1881.85 0.561 276.40 1882.85 0.564 275.07 1883.85 0.567 273.75 1884.85 0.569 272.44 1885.85 0.572 271.14 1886.85 0.574 269.86 1887.85 0.577 268.58 1888.85 0.579 267.32 1889.85 0.581 266.07 1890.85 0.583 264.82 1891.85 0.585 263.58 1892.85 0.586 262.35 1893.85 0.587 261.13 1894.85 0.588 259.91 1895.85 0.589 258.69 1896.85 0.589 257.47 1897.85 0.589 256.25 1898.85 0.589 255.04 1899.85 0.588 253.82 1900.85 0.587 252.59 1901.85 0.585 251.36 1902.85 0.583 250.13 1903.85 0.581 248.88 1904.85 0.578 247.62 1905.85 0.574 246.35 1906.85 0.570 245.06 1907.85 0.566 243.75 1908.85 0.561 242.42 1909.85 0.556 241.07 1910.85 0.550 239.69 1911.85 0.544 238.28 1912.85 0.537 236.84 1913.85 0.530 235.36 1914.85 0.523 233.84 1915.85 0.515 232.27 1916.85 0.507 230.65 1917.85 0.498 228.98 1918.85 0.489 227.25 1919.85 0.480 225.45 1920.85 0.471 223.59 1921.85 0.461 221.64 1922.85 0.452 219.62 1923.85 0.442 217.50 1924.85 0.432 215.29 1925.85 0.423 212.98 1926.85 0.413 210.57 1927.85 0.404 208.04 1928.85 0.395 205.39 1929.85 0.386 202.63 1930.85 0.378 199.74 1931.85 0.371 196.73 1932.85 0.364 193.60 1933.85 0.358 190.35 1934.85 0.352 187.00 1935.85 0.347 183.54 1936.85 0.344 180.01 1937.85 0.341 176.41 1938.85 0.339 172.76 1939.85 0.339 169.09 1940.85 0.339 165.42 1941.85 0.341 161.76 1942.85 0.344 158.16 1943.85 0.347 154.62 1944.85 0.352 151.16 1945.85 0.358 147.80 1946.85 0.364 144.56 1947.85 0.372 141.44 1948.85 0.380 138.45 1949.85 0.389 135.59 1950.85 0.398 132.86 1951.85 0.409 130.27 1952.85 0.419 127.81 1953.85 0.431 125.47 1954.85 0.442 123.25 1955.85 0.454 121.15 1956.85 0.467 119.16 1957.85 0.480 117.28 1958.85 0.493 115.49 1959.85 0.506 113.80 1960.85 0.519 112.19 1961.85 0.533 110.66 1962.85 0.546 109.21 1963.85 0.560 107.83 1964.85 0.574 106.52 1965.85 0.588 105.27 1966.85 0.601 104.07 1967.85 0.615 102.93 1968.85 0.629 101.84 1969.85 0.643 100.80 1970.85 0.657 99.80 1971.85 0.671 98.84 1972.85 0.685 97.92 1973.85 0.698 97.04 1974.85 0.712 96.19 1975.85 0.726 95.37 1976.85 0.739 94.59 1977.85 0.753 93.83 1978.85 0.766 93.10 1979.85 0.780 92.39 1980.85 0.793 91.71 1981.85 0.806 91.05 1982.85 0.819 90.41 1983.85 0.832 89.79 1984.85 0.845 89.19 1985.85 0.857 88.60 1986.85 0.870 88.04 1987.85 0.882 87.49 1988.85 0.895 86.95 1989.85 0.907 86.43 1990.85 0.919 85.93 1991.85 0.931 85.43 1992.85 0.943 84.95 1993.85 0.955 84.48 1994.85 0.966 84.02 1995.85 0.978 83.58 1996.85 0.989 83.14 1997.85 1.000 82.72 1998.85 1.011 82.30 1999.85 1.022 81.89 2000.85 1.033 81.49 2001.85 1.044 81.10 2002.85 1.055 80.72 2003.85 1.065 80.34 2004.85 1.076 79.97 2005.85 1.086 79.61 2006.85 1.096 79.26 2007.85 1.106 78.91 2008.85 1.116 78.57 2009.85 1.126 78.23 2010.85 1.135 77.90 2011.85 1.145 77.57 2012.85 1.154 77.25 2013.85 1.163 76.94 2014.85 1.172 76.63 2015.85 1.181 76.33 2016.85 1.190 76.03 2017.85 1.199 75.73 2018.85 1.208 75.44 2019.85 1.216 75.15 2020.85 1.225 74.87 2021.85 1.233 74.59 2022.85 1.241 74.31 2023.85 1.249 74.04 2024.85 1.257 73.77 2025.85 1.265 73.51 2026.85 1.273 73.24 2027.85 1.280 72.99 2028.85 1.288 72.73 2029.85 1.295 72.48 2030.85 1.302 72.23 2031.85 1.309 71.98 2032.85 1.316 71.73 2033.85 1.323 71.49 2034.85 1.330 71.25 2035.85 1.337 71.01 2036.85 1.343 70.78 2037.85 1.350 70.55 2038.85 1.356 70.32 2039.85 1.362 70.09 2040.85 1.368 69.86 2041.85 1.375 69.64 2042.85 1.380 69.41 2043.85 1.386 69.19 2044.85 1.392 68.97 2045.85 1.397 68.76 2046.85 1.403 68.54 2047.85 1.408 68.33 2048.85 1.414 68.12 2049.85 1.419 67.91 2050.85 1.424 67.70 2051.85 1.429 67.49 2052.85 1.434 67.28 2053.85 1.438 67.08 2054.85 1.443 66.88 2055.85 1.448 66.67 2056.85 1.452 66.47 2057.85 1.456 66.27 2058.85 1.461 66.07 2059.85 1.465 65.88 2060.85 1.469 65.68 2061.85 1.473 65.49 2062.85 1.477 65.29 2063.85 1.480 65.10 2064.85 1.484 64.91 2065.85 1.488 64.72 2066.85 1.491 64.53 2067.85 1.495 64.34 2068.85 1.498 64.15 2069.85 1.501 63.96 2070.85 1.504 63.77 2071.85 1.507 63.59 2072.85 1.510 63.40 2073.85 1.513 63.22 2074.85 1.516 63.03 2075.85 1.518 62.85 2076.85 1.521 62.67 2077.85 1.523 62.48 2078.85 1.526 62.30 2079.85 1.528 62.12 2080.85 1.530 61.94 2081.85 1.532 61.76 2082.85 1.534 61.58 2083.85 1.536 61.40 2084.85 1.538 61.22 2085.85 1.540 61.05 2086.85 1.541 60.87 2087.85 1.543 60.69 2088.85 1.544 60.51 2089.85 1.546 60.34 2090.85 1.547 60.16 2091.85 1.548 59.98 2092.85 1.549 59.81 2093.85 1.550 59.63 2094.85 1.551 59.46 2095.85 1.552 59.28 2096.85 1.553 59.11 2097.85 1.554 58.93 2098.85 1.554 58.76 2099.85 1.555 58.58 2100.85 1.555 58.41 2101.85 1.556 58.23 2102.85 1.556 58.06 2103.85 1.556 57.88 2104.85 1.556 57.71 2105.85 1.557 57.54 2106.85 1.557 57.36 2107.85 1.556 57.19 2108.85 1.556 57.01 2109.85 1.556 56.84 2110.85 1.556 56.66 2111.85 1.555 56.49 2112.85 1.555 56.31 2113.85 1.554 56.14 2114.85 1.553 55.97 2115.85 1.553 55.79 2116.85 1.552 55.61 2117.85 1.551 55.44 2118.85 1.550 55.26 2119.85 1.549 55.09 2120.85 1.548 54.91 2121.85 1.547 54.74 2122.85 1.545 54.56 2123.85 1.544 54.38 2124.85 1.543 54.21 2125.85 1.541 54.03 2126.85 1.540 53.85 2127.85 1.538 53.67 2128.85 1.536 53.49 2129.85 1.535 53.31 2130.85 1.533 53.13 2131.85 1.531 52.95 2132.85 1.529 52.77 2133.85 1.527 52.59 2134.85 1.524 52.41 2135.85 1.522 52.23 2136.85 1.520 52.05 2137.85 1.518 51.86 2138.85 1.515 51.68 2139.85 1.513 51.50 2140.85 1.510 51.31 2141.85 1.507 51.13 2142.85 1.505 50.94 2143.85 1.502 50.75 2144.85 1.499 50.57 2145.85 1.496 50.38 2146.85 1.493 50.19 2147.85 1.490 50.00 2148.85 1.487 49.81 2149.85 1.484 49.62 2150.85 1.480 49.43 2151.85 1.477 49.23 2152.85 1.474 49.04 2153.85 1.470 48.84 2154.85 1.467 48.65 2155.85 1.463 48.45 2156.85 1.459 48.25 2157.85 1.455 48.05 2158.85 1.452 47.85 2159.85 1.448 47.65 2160.85 1.444 47.45 2161.85 1.440 47.25 2162.85 1.436 47.04 2163.85 1.432 46.84 2164.85 1.427 46.63 2165.85 1.423 46.42 2166.85 1.419 46.22 2167.85 1.414 46.01 2168.85 1.410 45.79 2169.85 1.405 45.58 2170.85 1.401 45.37 2171.85 1.396 45.15 2172.85 1.391 44.93 2173.85 1.387 44.71 2174.85 1.382 44.49 2175.85 1.377 44.27 2176.85 1.372 44.05 2177.85 1.367 43.82 2178.85 1.362 43.60 2179.85 1.357 43.37 2180.85 1.351 43.14 2181.85 1.346 42.91 2182.85 1.341 42.67 2183.85 1.335 42.44 2184.85 1.330 42.20 2185.85 1.324 41.96 2186.85 1.319 41.72 2187.85 1.313 41.47 2188.85 1.308 41.23 2189.85 1.302 40.98 2190.85 1.296 40.73 2191.85 1.290 40.48 2192.85 1.284 40.22 2193.85 1.278 39.97 2194.85 1.272 39.71 2195.85 1.266 39.44 2196.85 1.260 39.18 2197.85 1.254 38.91 2198.85 1.248 38.64 2199.85 1.241 38.37 2200.85 1.235 38.09 2201.85 1.229 37.82 2202.85 1.222 37.53 2203.85 1.216 37.25 2204.85 1.209 36.96 2205.85 1.202 36.67 2206.85 1.196 36.38 2207.85 1.189 36.08 2208.85 1.182 35.78 2209.85 1.176 35.48 2210.85 1.169 35.17 2211.85 1.162 34.86 2212.85 1.155 34.55 2213.85 1.148 34.23 2214.85 1.141 33.91 2215.85 1.134 33.58 2216.85 1.127 33.25 2217.85 1.119 32.91 2218.85 1.112 32.57 2219.85 1.105 32.23 2220.85 1.098 31.88 2221.85 1.090 31.53 2222.85 1.083 31.17 2223.85 1.075 30.81 2224.85 1.068 30.44 2225.85 1.061 30.07 2226.85 1.053 29.69 2227.85 1.045 29.31 2228.85 1.038 28.92 2229.85 1.030 28.52 2230.85 1.023 28.12 2231.85 1.015 27.72 2232.85 1.007 27.30 2233.85 0.999 26.89 2234.85 0.992 26.46 2235.85 0.984 26.03 2236.85 0.976 25.59 2237.85 0.968 25.14 2238.85 0.960 24.69 2239.85 0.952 24.22 2240.85 0.944 23.75 2241.85 0.936 23.28 2242.85 0.928 22.79 2243.85 0.920 22.30 2244.85 0.912 21.79 2245.85 0.904 21.28 2246.85 0.896 20.76 2247.85 0.888 20.23 2248.85 0.880 19.69 2249.85 0.872 19.14 2250.85 0.864 18.58 2251.85 0.856 18.01
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:45:24 |