| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:12:22 |
| WDS: | A1205 | WDS ID/Discoverer |
| P: | 493.200 | Orbital period (years) |
| a: | 1.942 | Semi-major axis (arcseconds) |
| i: | 98.1 | Inclination (degrees) |
| Ω: | 285.72 | Longitude of ascending node (degrees) |
| T: | 1970.780 | Epoch of periastron passage (year) |
| e: | 0.913 | Eccentricity |
| ω: | 74.0 | Longitude of periastron (degrees) |
| Start-Year: | 1779.0 | Year |
| End-Year: | 2271.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 201813.44+291215.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 20182+2912 | WDS designation |
| Discoverer Code: | A1205 | Discover designation and components |
| ADS number: | 13665 | Aitken Double Star catalog |
| HD number: | 334100 | HD catalog number |
| Hipparcos number: | 100079 | Hipparcos catalog number |
| V1: | 9.17 | Magnitude of the primary |
| V2: | 10.08 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2005 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 1.286 96.0 ------------------------- 1779.0 0.869 70.9 1780.0 0.864 70.7 1781.0 0.858 70.4 1782.0 0.853 70.2 1783.0 0.848 70.0 1784.0 0.842 69.8 1785.0 0.837 69.6 1786.0 0.831 69.3 1787.0 0.826 69.1 1788.0 0.820 68.9 1789.0 0.815 68.6 1790.0 0.810 68.4 1791.0 0.804 68.2 1792.0 0.799 67.9 1793.0 0.793 67.7 1794.0 0.788 67.4 1795.0 0.782 67.2 1796.0 0.777 66.9 1797.0 0.771 66.6 1798.0 0.766 66.4 1799.0 0.760 66.1 1800.0 0.755 65.8 1801.0 0.749 65.5 1802.0 0.744 65.2 1803.0 0.738 65.0 1804.0 0.733 64.7 1805.0 0.727 64.4 1806.0 0.721 64.1 1807.0 0.716 63.8 1808.0 0.710 63.4 1809.0 0.705 63.1 1810.0 0.699 62.8 1811.0 0.694 62.5 1812.0 0.688 62.2 1813.0 0.683 61.8 1814.0 0.677 61.5 1815.0 0.672 61.1 1816.0 0.666 60.8 1817.0 0.661 60.4 1818.0 0.655 60.1 1819.0 0.650 59.7 1820.0 0.644 59.3 1821.0 0.639 58.9 1822.0 0.633 58.5 1823.0 0.628 58.1 1824.0 0.622 57.7 1825.0 0.617 57.3 1826.0 0.612 56.9 1827.0 0.606 56.5 1828.0 0.601 56.0 1829.0 0.595 55.6 1830.0 0.590 55.1 1831.0 0.585 54.7 1832.0 0.579 54.2 1833.0 0.574 53.7 1834.0 0.569 53.3 1835.0 0.563 52.8 1836.0 0.558 52.3 1837.0 0.553 51.7 1838.0 0.548 51.2 1839.0 0.543 50.7 1840.0 0.537 50.1 1841.0 0.532 49.6 1842.0 0.527 49.0 1843.0 0.522 48.5 1844.0 0.517 47.9 1845.0 0.512 47.3 1846.0 0.507 46.7 1847.0 0.502 46.0 1848.0 0.497 45.4 1849.0 0.493 44.8 1850.0 0.488 44.1 1851.0 0.483 43.4 1852.0 0.478 42.7 1853.0 0.474 42.0 1854.0 0.469 41.3 1855.0 0.465 40.6 1856.0 0.460 39.9 1857.0 0.456 39.1 1858.0 0.451 38.3 1859.0 0.447 37.6 1860.0 0.443 36.8 1861.0 0.439 35.9 1862.0 0.435 35.1 1863.0 0.430 34.3 1864.0 0.427 33.4 1865.0 0.423 32.5 1866.0 0.419 31.6 1867.0 0.415 30.7 1868.0 0.411 29.8 1869.0 0.408 28.9 1870.0 0.404 27.9 1871.0 0.401 26.9 1872.0 0.398 25.9 1873.0 0.395 24.9 1874.0 0.392 23.9 1875.0 0.389 22.9 1876.0 0.386 21.8 1877.0 0.383 20.7 1878.0 0.380 19.6 1879.0 0.378 18.5 1880.0 0.376 17.4 1881.0 0.373 16.3 1882.0 0.371 15.2 1883.0 0.369 14.0 1884.0 0.367 12.8 1885.0 0.365 11.7 1886.0 0.364 10.5 1887.0 0.362 9.3 1888.0 0.361 8.1 1889.0 0.360 6.8 1890.0 0.359 5.6 1891.0 0.358 4.4 1892.0 0.357 3.1 1893.0 0.356 1.9 1894.0 0.356 0.6 1895.0 0.355 359.4 1896.0 0.355 358.1 1897.0 0.355 356.9 1898.0 0.355 355.6 1899.0 0.355 354.4 1900.0 0.355 353.1 1901.0 0.356 351.9 1902.0 0.356 350.6 1903.0 0.357 349.4 1904.0 0.358 348.1 1905.0 0.359 346.9 1906.0 0.360 345.7 1907.0 0.361 344.5 1908.0 0.362 343.2 1909.0 0.364 342.0 1910.0 0.365 340.9 1911.0 0.367 339.7 1912.0 0.369 338.5 1913.0 0.371 337.3 1914.0 0.373 336.2 1915.0 0.375 335.1 1916.0 0.377 334.0 1917.0 0.379 332.8 1918.0 0.382 331.8 1919.0 0.384 330.7 1920.0 0.387 329.6 1921.0 0.389 328.6 1922.0 0.392 327.5 1923.0 0.395 326.5 1924.0 0.397 325.5 1925.0 0.400 324.5 1926.0 0.403 323.5 1927.0 0.406 322.5 1928.0 0.409 321.6 1929.0 0.412 320.6 1930.0 0.414 319.7 1931.0 0.417 318.8 1932.0 0.420 317.9 1933.0 0.423 317.0 1934.0 0.426 316.1 1935.0 0.429 315.3 1936.0 0.432 314.4 1937.0 0.434 313.6 1938.0 0.437 312.7 1939.0 0.440 311.9 1940.0 0.442 311.1 1941.0 0.445 310.3 1942.0 0.447 309.5 1943.0 0.449 308.7 1944.0 0.451 307.9 1945.0 0.453 307.2 1946.0 0.455 306.4 1947.0 0.456 305.6 1948.0 0.457 304.9 1949.0 0.458 304.1 1950.0 0.459 303.4 1951.0 0.459 302.6 1952.0 0.459 301.8 1953.0 0.458 301.1 1954.0 0.457 300.3 1955.0 0.455 299.6 1956.0 0.453 298.8 1957.0 0.450 298.0 1958.0 0.445 297.2 1959.0 0.440 296.4 1960.0 0.434 295.6 1961.0 0.425 294.8 1962.0 0.416 293.9 1963.0 0.403 292.9 1964.0 0.388 291.9 1965.0 0.369 290.8 1966.0 0.344 289.6 1967.0 0.312 288.1 1968.0 0.269 286.2 1969.0 0.211 283.5 1970.0 0.129 277.8 1971.0 0.032 238.3 1972.0 0.093 120.8 1973.0 0.190 112.0 1974.0 0.273 109.0 1975.0 0.343 107.3 1976.0 0.403 106.2 1977.0 0.457 105.3 1978.0 0.504 104.7 1979.0 0.548 104.1 1980.0 0.587 103.6 1981.0 0.624 103.2 1982.0 0.658 102.8 1983.0 0.689 102.4 1984.0 0.719 102.1 1985.0 0.747 101.8 1986.0 0.773 101.5 1987.0 0.798 101.3 1988.0 0.822 101.0 1989.0 0.844 100.8 1990.0 0.866 100.6 1991.0 0.886 100.4 1992.0 0.906 100.2 1993.0 0.925 100.0 1994.0 0.943 99.8 1995.0 0.960 99.6 1996.0 0.977 99.5 1997.0 0.993 99.3 1998.0 1.009 99.2 1999.0 1.024 99.0 2000.0 1.038 98.8 2001.0 1.052 98.7 2002.0 1.066 98.6 2003.0 1.079 98.4 2004.0 1.091 98.3 2005.0 1.104 98.2 2006.0 1.115 98.0 2007.0 1.127 97.9 2008.0 1.138 97.8 2009.0 1.149 97.7 2010.0 1.160 97.5 2011.0 1.170 97.4 2012.0 1.180 97.3 2013.0 1.189 97.2 2014.0 1.199 97.1 2015.0 1.208 97.0 2016.0 1.217 96.9 2017.0 1.225 96.8 2018.0 1.234 96.7 2019.0 1.242 96.6 2020.0 1.250 96.5 2021.0 1.257 96.4 2022.0 1.265 96.3 2023.0 1.272 96.2 2024.0 1.279 96.1 2025.0 1.286 96.0 2026.0 1.293 95.9 2027.0 1.299 95.8 2028.0 1.305 95.7 2029.0 1.312 95.6 2030.0 1.317 95.5 2031.0 1.323 95.4 2032.0 1.329 95.3 2033.0 1.334 95.2 2034.0 1.340 95.1 2035.0 1.345 95.0 2036.0 1.350 95.0 2037.0 1.355 94.9 2038.0 1.360 94.8 2039.0 1.364 94.7 2040.0 1.369 94.6 2041.0 1.373 94.5 2042.0 1.378 94.5 2043.0 1.382 94.4 2044.0 1.386 94.3 2045.0 1.390 94.2 2046.0 1.393 94.1 2047.0 1.397 94.0 2048.0 1.400 94.0 2049.0 1.404 93.9 2050.0 1.407 93.8 2051.0 1.410 93.7 2052.0 1.413 93.6 2053.0 1.416 93.6 2054.0 1.419 93.5 2055.0 1.422 93.4 2056.0 1.425 93.3 2057.0 1.427 93.2 2058.0 1.430 93.2 2059.0 1.432 93.1 2060.0 1.435 93.0 2061.0 1.437 92.9 2062.0 1.439 92.9 2063.0 1.441 92.8 2064.0 1.443 92.7 2065.0 1.445 92.6 2066.0 1.447 92.6 2067.0 1.449 92.5 2068.0 1.450 92.4 2069.0 1.452 92.3 2070.0 1.453 92.3 2071.0 1.455 92.2 2072.0 1.456 92.1 2073.0 1.457 92.0 2074.0 1.458 92.0 2075.0 1.459 91.9 2076.0 1.461 91.8 2077.0 1.461 91.7 2078.0 1.462 91.7 2079.0 1.463 91.6 2080.0 1.464 91.5 2081.0 1.465 91.4 2082.0 1.465 91.4 2083.0 1.466 91.3 2084.0 1.466 91.2 2085.0 1.467 91.1 2086.0 1.467 91.1 2087.0 1.467 91.0 2088.0 1.468 90.9 2089.0 1.468 90.9 2090.0 1.468 90.8 2091.0 1.468 90.7 2092.0 1.468 90.6 2093.0 1.468 90.6 2094.0 1.468 90.5 2095.0 1.468 90.4 2096.0 1.467 90.3 2097.0 1.467 90.3 2098.0 1.467 90.2 2099.0 1.466 90.1 2100.0 1.466 90.0 2101.0 1.465 90.0 2102.0 1.465 89.9 2103.0 1.464 89.8 2104.0 1.463 89.7 2105.0 1.463 89.7 2106.0 1.462 89.6 2107.0 1.461 89.5 2108.0 1.460 89.5 2109.0 1.459 89.4 2110.0 1.458 89.3 2111.0 1.457 89.2 2112.0 1.456 89.2 2113.0 1.455 89.1 2114.0 1.454 89.0 2115.0 1.453 88.9 2116.0 1.452 88.9 2117.0 1.450 88.8 2118.0 1.449 88.7 2119.0 1.448 88.6 2120.0 1.446 88.6 2121.0 1.445 88.5 2122.0 1.443 88.4 2123.0 1.442 88.3 2124.0 1.440 88.3 2125.0 1.438 88.2 2126.0 1.437 88.1 2127.0 1.435 88.0 2128.0 1.433 87.9 2129.0 1.431 87.9 2130.0 1.430 87.8 2131.0 1.428 87.7 2132.0 1.426 87.6 2133.0 1.424 87.6 2134.0 1.422 87.5 2135.0 1.420 87.4 2136.0 1.418 87.3 2137.0 1.415 87.2 2138.0 1.413 87.2 2139.0 1.411 87.1 2140.0 1.409 87.0 2141.0 1.407 86.9 2142.0 1.404 86.8 2143.0 1.402 86.8 2144.0 1.399 86.7 2145.0 1.397 86.6 2146.0 1.395 86.5 2147.0 1.392 86.4 2148.0 1.390 86.4 2149.0 1.387 86.3 2150.0 1.384 86.2 2151.0 1.382 86.1 2152.0 1.379 86.0 2153.0 1.376 85.9 2154.0 1.374 85.9 2155.0 1.371 85.8 2156.0 1.368 85.7 2157.0 1.365 85.6 2158.0 1.362 85.5 2159.0 1.359 85.4 2160.0 1.357 85.4 2161.0 1.354 85.3 2162.0 1.351 85.2 2163.0 1.348 85.1 2164.0 1.344 85.0 2165.0 1.341 84.9 2166.0 1.338 84.8 2167.0 1.335 84.7 2168.0 1.332 84.7 2169.0 1.329 84.6 2170.0 1.325 84.5 2171.0 1.322 84.4 2172.0 1.319 84.3 2173.0 1.316 84.2 2174.0 1.312 84.1 2175.0 1.309 84.0 2176.0 1.305 83.9 2177.0 1.302 83.8 2178.0 1.298 83.7 2179.0 1.295 83.6 2180.0 1.291 83.5 2181.0 1.288 83.5 2182.0 1.284 83.4 2183.0 1.281 83.3 2184.0 1.277 83.2 2185.0 1.273 83.1 2186.0 1.270 83.0 2187.0 1.266 82.9 2188.0 1.262 82.8 2189.0 1.258 82.7 2190.0 1.255 82.6 2191.0 1.251 82.5 2192.0 1.247 82.4 2193.0 1.243 82.3 2194.0 1.239 82.2 2195.0 1.235 82.1 2196.0 1.231 82.0 2197.0 1.227 81.9 2198.0 1.223 81.7 2199.0 1.219 81.6 2200.0 1.215 81.5 2201.0 1.211 81.4 2202.0 1.207 81.3 2203.0 1.203 81.2 2204.0 1.199 81.1 2205.0 1.195 81.0 2206.0 1.190 80.9 2207.0 1.186 80.8 2208.0 1.182 80.7 2209.0 1.178 80.5 2210.0 1.173 80.4 2211.0 1.169 80.3 2212.0 1.165 80.2 2213.0 1.160 80.1 2214.0 1.156 80.0 2215.0 1.152 79.8 2216.0 1.147 79.7 2217.0 1.143 79.6 2218.0 1.138 79.5 2219.0 1.134 79.4 2220.0 1.129 79.2 2221.0 1.125 79.1 2222.0 1.120 79.0 2223.0 1.116 78.9 2224.0 1.111 78.7 2225.0 1.106 78.6 2226.0 1.102 78.5 2227.0 1.097 78.3 2228.0 1.092 78.2 2229.0 1.088 78.1 2230.0 1.083 77.9 2231.0 1.078 77.8 2232.0 1.074 77.7 2233.0 1.069 77.5 2234.0 1.064 77.4 2235.0 1.059 77.2 2236.0 1.054 77.1 2237.0 1.050 77.0 2238.0 1.045 76.8 2239.0 1.040 76.7 2240.0 1.035 76.5 2241.0 1.030 76.4 2242.0 1.025 76.2 2243.0 1.020 76.1 2244.0 1.015 75.9 2245.0 1.010 75.8 2246.0 1.005 75.6 2247.0 1.000 75.5 2248.0 0.995 75.3 2249.0 0.990 75.1 2250.0 0.985 75.0 2251.0 0.980 74.8 2252.0 0.975 74.6 2253.0 0.970 74.5 2254.0 0.965 74.3 2255.0 0.960 74.1 2256.0 0.954 74.0 2257.0 0.949 73.8 2258.0 0.944 73.6 2259.0 0.939 73.4 2260.0 0.934 73.3 2261.0 0.928 73.1 2262.0 0.923 72.9 2263.0 0.918 72.7 2264.0 0.913 72.5 2265.0 0.907 72.3 2266.0 0.902 72.1 2267.0 0.897 71.9 2268.0 0.892 71.7 2269.0 0.886 71.5 2270.0 0.881 71.3