| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:57:37 |
| WDS: | BU1203 | WDS ID/Discoverer |
| P: | 495.730 | Orbital period (years) |
| a: | 0.5151 | Semi-major axis (arcseconds) |
| i: | 59.29 | Inclination (degrees) |
| Ω: | 17.64 | Longitude of ascending node (degrees) |
| T: | 2315.020 | Epoch of periastron passage (year) |
| e: | 0.4634 | Eccentricity |
| ω: | 317.13 | Longitude of periastron (degrees) |
| Start-Year: | 1778.0 | Year |
| End-Year: | 2272.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 182603.38+004649.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18261+0047 | WDS designation |
| Discoverer Code: | BU1203 | Discover designation and components |
| ADS number: | 11339 | Aitken Double Star catalog |
| HD number: | 169725 | HD catalog number |
| Hipparcos number: | 90347 | Hipparcos catalog number |
| V1: | 7.11 | Magnitude of the primary |
| V2: | 8.73 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1991 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from 1 'definitive' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.519 160.8 ------------------------- 1778.0 0.238 240.7 1779.0 0.232 242.3 1780.0 0.226 243.9 1781.0 0.220 245.7 1782.0 0.215 247.5 1783.0 0.209 249.5 1784.0 0.204 251.5 1785.0 0.198 253.7 1786.0 0.193 256.0 1787.0 0.188 258.4 1788.0 0.184 260.9 1789.0 0.179 263.5 1790.0 0.175 266.3 1791.0 0.171 269.2 1792.0 0.168 272.3 1793.0 0.165 275.4 1794.0 0.162 278.7 1795.0 0.160 282.1 1796.0 0.158 285.5 1797.0 0.157 289.1 1798.0 0.156 292.6 1799.0 0.155 296.2 1800.0 0.156 299.9 1801.0 0.156 303.5 1802.0 0.157 307.0 1803.0 0.159 310.5 1804.0 0.161 313.9 1805.0 0.163 317.2 1806.0 0.166 320.4 1807.0 0.169 323.6 1808.0 0.173 326.5 1809.0 0.176 329.4 1810.0 0.180 332.1 1811.0 0.185 334.8 1812.0 0.189 337.2 1813.0 0.194 339.6 1814.0 0.198 341.9 1815.0 0.203 344.1 1816.0 0.208 346.1 1817.0 0.213 348.1 1818.0 0.218 350.0 1819.0 0.223 351.8 1820.0 0.228 353.5 1821.0 0.233 355.1 1822.0 0.237 356.7 1823.0 0.242 358.2 1824.0 0.247 359.7 1825.0 0.251 1.1 1826.0 0.256 2.5 1827.0 0.260 3.8 1828.0 0.264 5.0 1829.0 0.268 6.3 1830.0 0.272 7.5 1831.0 0.276 8.6 1832.0 0.279 9.8 1833.0 0.283 10.9 1834.0 0.286 11.9 1835.0 0.289 13.0 1836.0 0.292 14.0 1837.0 0.295 15.0 1838.0 0.298 16.0 1839.0 0.300 17.0 1840.0 0.303 18.0 1841.0 0.305 18.9 1842.0 0.307 19.8 1843.0 0.309 20.8 1844.0 0.311 21.7 1845.0 0.312 22.6 1846.0 0.314 23.5 1847.0 0.315 24.3 1848.0 0.316 25.2 1849.0 0.317 26.1 1850.0 0.318 26.9 1851.0 0.319 27.8 1852.0 0.320 28.7 1853.0 0.320 29.5 1854.0 0.321 30.4 1855.0 0.321 31.2 1856.0 0.321 32.1 1857.0 0.321 32.9 1858.0 0.321 33.7 1859.0 0.321 34.6 1860.0 0.321 35.4 1861.0 0.321 36.3 1862.0 0.321 37.1 1863.0 0.320 38.0 1864.0 0.320 38.8 1865.0 0.320 39.7 1866.0 0.319 40.5 1867.0 0.318 41.4 1868.0 0.318 42.3 1869.0 0.317 43.1 1870.0 0.316 44.0 1871.0 0.316 44.9 1872.0 0.315 45.7 1873.0 0.314 46.6 1874.0 0.313 47.5 1875.0 0.312 48.4 1876.0 0.311 49.3 1877.0 0.310 50.2 1878.0 0.309 51.1 1879.0 0.308 52.0 1880.0 0.307 52.9 1881.0 0.306 53.9 1882.0 0.305 54.8 1883.0 0.305 55.7 1884.0 0.304 56.7 1885.0 0.303 57.6 1886.0 0.302 58.6 1887.0 0.301 59.6 1888.0 0.300 60.5 1889.0 0.299 61.5 1890.0 0.298 62.5 1891.0 0.297 63.5 1892.0 0.296 64.4 1893.0 0.295 65.4 1894.0 0.295 66.4 1895.0 0.294 67.5 1896.0 0.293 68.5 1897.0 0.292 69.5 1898.0 0.292 70.5 1899.0 0.291 71.5 1900.0 0.290 72.6 1901.0 0.290 73.6 1902.0 0.289 74.6 1903.0 0.289 75.7 1904.0 0.289 76.7 1905.0 0.288 77.8 1906.0 0.288 78.8 1907.0 0.288 79.9 1908.0 0.287 80.9 1909.0 0.287 82.0 1910.0 0.287 83.0 1911.0 0.287 84.1 1912.0 0.287 85.2 1913.0 0.287 86.2 1914.0 0.287 87.3 1915.0 0.287 88.3 1916.0 0.288 89.4 1917.0 0.288 90.4 1918.0 0.288 91.5 1919.0 0.289 92.5 1920.0 0.289 93.6 1921.0 0.290 94.6 1922.0 0.290 95.7 1923.0 0.291 96.7 1924.0 0.292 97.7 1925.0 0.292 98.7 1926.0 0.293 99.8 1927.0 0.294 100.8 1928.0 0.295 101.8 1929.0 0.296 102.8 1930.0 0.297 103.8 1931.0 0.298 104.8 1932.0 0.299 105.7 1933.0 0.300 106.7 1934.0 0.302 107.7 1935.0 0.303 108.6 1936.0 0.304 109.6 1937.0 0.306 110.5 1938.0 0.307 111.4 1939.0 0.309 112.3 1940.0 0.310 113.3 1941.0 0.312 114.2 1942.0 0.314 115.0 1943.0 0.315 115.9 1944.0 0.317 116.8 1945.0 0.319 117.7 1946.0 0.321 118.5 1947.0 0.322 119.4 1948.0 0.324 120.2 1949.0 0.326 121.0 1950.0 0.328 121.8 1951.0 0.330 122.6 1952.0 0.332 123.4 1953.0 0.334 124.2 1954.0 0.336 125.0 1955.0 0.339 125.8 1956.0 0.341 126.5 1957.0 0.343 127.3 1958.0 0.345 128.0 1959.0 0.348 128.7 1960.0 0.350 129.4 1961.0 0.352 130.1 1962.0 0.354 130.8 1963.0 0.357 131.5 1964.0 0.359 132.2 1965.0 0.362 132.9 1966.0 0.364 133.6 1967.0 0.367 134.2 1968.0 0.369 134.8 1969.0 0.371 135.5 1970.0 0.374 136.1 1971.0 0.377 136.7 1972.0 0.379 137.3 1973.0 0.382 137.9 1974.0 0.384 138.5 1975.0 0.387 139.1 1976.0 0.389 139.7 1977.0 0.392 140.3 1978.0 0.395 140.8 1979.0 0.397 141.4 1980.0 0.400 141.9 1981.0 0.403 142.5 1982.0 0.405 143.0 1983.0 0.408 143.5 1984.0 0.411 144.1 1985.0 0.413 144.6 1986.0 0.416 145.1 1987.0 0.419 145.6 1988.0 0.421 146.1 1989.0 0.424 146.6 1990.0 0.427 147.1 1991.0 0.429 147.5 1992.0 0.432 148.0 1993.0 0.435 148.5 1994.0 0.437 148.9 1995.0 0.440 149.4 1996.0 0.443 149.8 1997.0 0.446 150.3 1998.0 0.448 150.7 1999.0 0.451 151.1 2000.0 0.454 151.6 2001.0 0.456 152.0 2002.0 0.459 152.4 2003.0 0.462 152.8 2004.0 0.464 153.2 2005.0 0.467 153.6 2006.0 0.470 154.0 2007.0 0.473 154.4 2008.0 0.475 154.8 2009.0 0.478 155.2 2010.0 0.480 155.6 2011.0 0.483 155.9 2012.0 0.486 156.3 2013.0 0.488 156.7 2014.0 0.491 157.0 2015.0 0.494 157.4 2016.0 0.496 157.8 2017.0 0.499 158.1 2018.0 0.501 158.5 2019.0 0.504 158.8 2020.0 0.507 159.1 2021.0 0.509 159.5 2022.0 0.512 159.8 2023.0 0.514 160.1 2024.0 0.517 160.5 2025.0 0.519 160.8 2026.0 0.522 161.1 2027.0 0.524 161.4 2028.0 0.527 161.8 2029.0 0.529 162.1 2030.0 0.532 162.4 2031.0 0.534 162.7 2032.0 0.537 163.0 2033.0 0.539 163.3 2034.0 0.541 163.6 2035.0 0.544 163.9 2036.0 0.546 164.2 2037.0 0.548 164.5 2038.0 0.551 164.8 2039.0 0.553 165.0 2040.0 0.555 165.3 2041.0 0.558 165.6 2042.0 0.560 165.9 2043.0 0.562 166.2 2044.0 0.565 166.4 2045.0 0.567 166.7 2046.0 0.569 167.0 2047.0 0.571 167.3 2048.0 0.573 167.5 2049.0 0.575 167.8 2050.0 0.578 168.0 2051.0 0.580 168.3 2052.0 0.582 168.6 2053.0 0.584 168.8 2054.0 0.586 169.1 2055.0 0.588 169.3 2056.0 0.590 169.6 2057.0 0.592 169.8 2058.0 0.594 170.1 2059.0 0.596 170.3 2060.0 0.598 170.6 2061.0 0.600 170.8 2062.0 0.602 171.1 2063.0 0.604 171.3 2064.0 0.606 171.5 2065.0 0.607 171.8 2066.0 0.609 172.0 2067.0 0.611 172.2 2068.0 0.613 172.5 2069.0 0.615 172.7 2070.0 0.616 172.9 2071.0 0.618 173.2 2072.0 0.620 173.4 2073.0 0.622 173.6 2074.0 0.623 173.8 2075.0 0.625 174.1 2076.0 0.626 174.3 2077.0 0.628 174.5 2078.0 0.630 174.7 2079.0 0.631 175.0 2080.0 0.633 175.2 2081.0 0.634 175.4 2082.0 0.636 175.6 2083.0 0.637 175.8 2084.0 0.639 176.0 2085.0 0.640 176.2 2086.0 0.641 176.5 2087.0 0.643 176.7 2088.0 0.644 176.9 2089.0 0.645 177.1 2090.0 0.647 177.3 2091.0 0.648 177.5 2092.0 0.649 177.7 2093.0 0.650 177.9 2094.0 0.651 178.1 2095.0 0.653 178.3 2096.0 0.654 178.5 2097.0 0.655 178.7 2098.0 0.656 178.9 2099.0 0.657 179.1 2100.0 0.658 179.3 2101.0 0.659 179.5 2102.0 0.660 179.7 2103.0 0.661 179.9 2104.0 0.662 180.1 2105.0 0.663 180.3 2106.0 0.663 180.5 2107.0 0.664 180.7 2108.0 0.665 180.9 2109.0 0.666 181.1 2110.0 0.667 181.3 2111.0 0.667 181.5 2112.0 0.668 181.7 2113.0 0.669 181.9 2114.0 0.669 182.1 2115.0 0.670 182.3 2116.0 0.670 182.5 2117.0 0.671 182.7 2118.0 0.671 182.9 2119.0 0.672 183.1 2120.0 0.672 183.3 2121.0 0.673 183.5 2122.0 0.673 183.7 2123.0 0.674 183.9 2124.0 0.674 184.0 2125.0 0.674 184.2 2126.0 0.674 184.4 2127.0 0.675 184.6 2128.0 0.675 184.8 2129.0 0.675 185.0 2130.0 0.675 185.2 2131.0 0.675 185.4 2132.0 0.675 185.6 2133.0 0.675 185.8 2134.0 0.675 186.0 2135.0 0.675 186.2 2136.0 0.675 186.3 2137.0 0.675 186.5 2138.0 0.675 186.7 2139.0 0.675 186.9 2140.0 0.675 187.1 2141.0 0.674 187.3 2142.0 0.674 187.5 2143.0 0.674 187.7 2144.0 0.674 187.9 2145.0 0.673 188.1 2146.0 0.673 188.3 2147.0 0.672 188.5 2148.0 0.672 188.6 2149.0 0.671 188.8 2150.0 0.671 189.0 2151.0 0.670 189.2 2152.0 0.669 189.4 2153.0 0.669 189.6 2154.0 0.668 189.8 2155.0 0.667 190.0 2156.0 0.667 190.2 2157.0 0.666 190.4 2158.0 0.665 190.6 2159.0 0.664 190.8 2160.0 0.663 191.0 2161.0 0.662 191.2 2162.0 0.661 191.4 2163.0 0.660 191.6 2164.0 0.659 191.8 2165.0 0.658 192.0 2166.0 0.657 192.2 2167.0 0.655 192.4 2168.0 0.654 192.6 2169.0 0.653 192.8 2170.0 0.652 193.0 2171.0 0.650 193.2 2172.0 0.649 193.4 2173.0 0.647 193.6 2174.0 0.646 193.8 2175.0 0.644 194.0 2176.0 0.643 194.3 2177.0 0.641 194.5 2178.0 0.639 194.7 2179.0 0.638 194.9 2180.0 0.636 195.1 2181.0 0.634 195.3 2182.0 0.632 195.5 2183.0 0.630 195.8 2184.0 0.628 196.0 2185.0 0.626 196.2 2186.0 0.624 196.4 2187.0 0.622 196.7 2188.0 0.620 196.9 2189.0 0.618 197.1 2190.0 0.615 197.3 2191.0 0.613 197.6 2192.0 0.611 197.8 2193.0 0.608 198.0 2194.0 0.606 198.3 2195.0 0.604 198.5 2196.0 0.601 198.8 2197.0 0.598 199.0 2198.0 0.596 199.2 2199.0 0.593 199.5 2200.0 0.590 199.7 2201.0 0.588 200.0 2202.0 0.585 200.2 2203.0 0.582 200.5 2204.0 0.579 200.8 2205.0 0.576 201.0 2206.0 0.573 201.3 2207.0 0.570 201.5 2208.0 0.567 201.8 2209.0 0.563 202.1 2210.0 0.560 202.4 2211.0 0.557 202.6 2212.0 0.554 202.9 2213.0 0.550 203.2 2214.0 0.547 203.5 2215.0 0.543 203.8 2216.0 0.540 204.1 2217.0 0.536 204.4 2218.0 0.532 204.7 2219.0 0.528 205.0 2220.0 0.525 205.3 2221.0 0.521 205.6 2222.0 0.517 206.0 2223.0 0.513 206.3 2224.0 0.509 206.6 2225.0 0.505 207.0 2226.0 0.500 207.3 2227.0 0.496 207.7 2228.0 0.492 208.0 2229.0 0.488 208.4 2230.0 0.483 208.8 2231.0 0.479 209.1 2232.0 0.474 209.5 2233.0 0.469 209.9 2234.0 0.465 210.3 2235.0 0.460 210.7 2236.0 0.455 211.1 2237.0 0.450 211.6 2238.0 0.446 212.0 2239.0 0.441 212.4 2240.0 0.436 212.9 2241.0 0.431 213.4 2242.0 0.425 213.8 2243.0 0.420 214.3 2244.0 0.415 214.8 2245.0 0.410 215.3 2246.0 0.404 215.9 2247.0 0.399 216.4 2248.0 0.393 217.0 2249.0 0.388 217.5 2250.0 0.382 218.1 2251.0 0.376 218.7 2252.0 0.371 219.4 2253.0 0.365 220.0 2254.0 0.359 220.7 2255.0 0.353 221.4 2256.0 0.347 222.1 2257.0 0.341 222.8 2258.0 0.335 223.6 2259.0 0.329 224.3 2260.0 0.323 225.2 2261.0 0.317 226.0 2262.0 0.311 226.9 2263.0 0.305 227.8 2264.0 0.299 228.8 2265.0 0.292 229.8 2266.0 0.286 230.8 2267.0 0.280 231.9 2268.0 0.274 233.0 2269.0 0.267 234.2 2270.0 0.261 235.5 2271.0 0.255 236.8