| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:04:13 |
| WDS: | BU139AB | WDS ID/Discoverer |
| P: | 587.000 | Orbital period (years) |
| a: | 0.552 | Semi-major axis (arcseconds) |
| i: | 95.4 | Inclination (degrees) |
| Ω: | 136.4 | Longitude of ascending node (degrees) |
| T: | 2128.700 | Epoch of periastron passage (year) |
| e: | 0.533 | Eccentricity |
| ω: | 133.8 | Longitude of periastron (degrees) |
| Start-Year: | 1732.0 | Year |
| End-Year: | 2318.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 191234.45+165047.2 | Epoch-2000 right ascension and declination |
| WDS-ID: | 19126+1651 | WDS designation |
| Discoverer Code: | BU139AB | Discover designation and components |
| ADS number: | 12160 | Aitken Double Star catalog |
| HD number: | 179588 | HD catalog number |
| Hipparcos number: | 94377 | Hipparcos catalog number |
| V1: | 7.11 | Magnitude of the primary |
| V2: | 7.95 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2009 | 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 0.567 135.6 ------------------------- 1732.0 0.265 151.3 1733.0 0.269 151.1 1734.0 0.273 150.9 1735.0 0.277 150.7 1736.0 0.280 150.5 1737.0 0.284 150.3 1738.0 0.288 150.1 1739.0 0.292 149.9 1740.0 0.295 149.8 1741.0 0.299 149.6 1742.0 0.303 149.4 1743.0 0.306 149.3 1744.0 0.310 149.1 1745.0 0.314 149.0 1746.0 0.317 148.8 1747.0 0.321 148.7 1748.0 0.325 148.5 1749.0 0.328 148.4 1750.0 0.332 148.2 1751.0 0.336 148.1 1752.0 0.339 148.0 1753.0 0.343 147.9 1754.0 0.346 147.7 1755.0 0.350 147.6 1756.0 0.353 147.5 1757.0 0.357 147.4 1758.0 0.360 147.3 1759.0 0.364 147.1 1760.0 0.367 147.0 1761.0 0.371 146.9 1762.0 0.374 146.8 1763.0 0.378 146.7 1764.0 0.381 146.6 1765.0 0.385 146.5 1766.0 0.388 146.4 1767.0 0.391 146.3 1768.0 0.395 146.2 1769.0 0.398 146.1 1770.0 0.402 146.0 1771.0 0.405 145.9 1772.0 0.408 145.8 1773.0 0.412 145.7 1774.0 0.415 145.7 1775.0 0.418 145.6 1776.0 0.421 145.5 1777.0 0.425 145.4 1778.0 0.428 145.3 1779.0 0.431 145.2 1780.0 0.434 145.2 1781.0 0.438 145.1 1782.0 0.441 145.0 1783.0 0.444 144.9 1784.0 0.447 144.9 1785.0 0.450 144.8 1786.0 0.454 144.7 1787.0 0.457 144.6 1788.0 0.460 144.6 1789.0 0.463 144.5 1790.0 0.466 144.4 1791.0 0.469 144.4 1792.0 0.472 144.3 1793.0 0.475 144.2 1794.0 0.478 144.2 1795.0 0.481 144.1 1796.0 0.484 144.0 1797.0 0.487 144.0 1798.0 0.490 143.9 1799.0 0.493 143.8 1800.0 0.496 143.8 1801.0 0.499 143.7 1802.0 0.502 143.7 1803.0 0.505 143.6 1804.0 0.508 143.6 1805.0 0.510 143.5 1806.0 0.513 143.4 1807.0 0.516 143.4 1808.0 0.519 143.3 1809.0 0.522 143.3 1810.0 0.524 143.2 1811.0 0.527 143.2 1812.0 0.530 143.1 1813.0 0.533 143.1 1814.0 0.535 143.0 1815.0 0.538 143.0 1816.0 0.541 142.9 1817.0 0.543 142.9 1818.0 0.546 142.8 1819.0 0.549 142.8 1820.0 0.551 142.7 1821.0 0.554 142.7 1822.0 0.556 142.6 1823.0 0.559 142.6 1824.0 0.561 142.5 1825.0 0.564 142.5 1826.0 0.566 142.4 1827.0 0.569 142.4 1828.0 0.571 142.3 1829.0 0.574 142.3 1830.0 0.576 142.2 1831.0 0.579 142.2 1832.0 0.581 142.1 1833.0 0.583 142.1 1834.0 0.586 142.1 1835.0 0.588 142.0 1836.0 0.590 142.0 1837.0 0.593 141.9 1838.0 0.595 141.9 1839.0 0.597 141.8 1840.0 0.599 141.8 1841.0 0.602 141.8 1842.0 0.604 141.7 1843.0 0.606 141.7 1844.0 0.608 141.6 1845.0 0.610 141.6 1846.0 0.613 141.6 1847.0 0.615 141.5 1848.0 0.617 141.5 1849.0 0.619 141.4 1850.0 0.621 141.4 1851.0 0.623 141.4 1852.0 0.625 141.3 1853.0 0.627 141.3 1854.0 0.629 141.3 1855.0 0.631 141.2 1856.0 0.633 141.2 1857.0 0.635 141.1 1858.0 0.637 141.1 1859.0 0.638 141.1 1860.0 0.640 141.0 1861.0 0.642 141.0 1862.0 0.644 141.0 1863.0 0.646 140.9 1864.0 0.647 140.9 1865.0 0.649 140.8 1866.0 0.651 140.8 1867.0 0.653 140.8 1868.0 0.654 140.7 1869.0 0.656 140.7 1870.0 0.658 140.7 1871.0 0.659 140.6 1872.0 0.661 140.6 1873.0 0.662 140.6 1874.0 0.664 140.5 1875.0 0.666 140.5 1876.0 0.667 140.5 1877.0 0.669 140.4 1878.0 0.670 140.4 1879.0 0.671 140.4 1880.0 0.673 140.3 1881.0 0.674 140.3 1882.0 0.676 140.3 1883.0 0.677 140.2 1884.0 0.678 140.2 1885.0 0.680 140.2 1886.0 0.681 140.1 1887.0 0.682 140.1 1888.0 0.683 140.1 1889.0 0.685 140.0 1890.0 0.686 140.0 1891.0 0.687 140.0 1892.0 0.688 140.0 1893.0 0.689 139.9 1894.0 0.690 139.9 1895.0 0.691 139.9 1896.0 0.693 139.8 1897.0 0.694 139.8 1898.0 0.695 139.8 1899.0 0.696 139.7 1900.0 0.697 139.7 1901.0 0.697 139.7 1902.0 0.698 139.6 1903.0 0.699 139.6 1904.0 0.700 139.6 1905.0 0.701 139.6 1906.0 0.702 139.5 1907.0 0.703 139.5 1908.0 0.703 139.5 1909.0 0.704 139.4 1910.0 0.705 139.4 1911.0 0.705 139.4 1912.0 0.706 139.3 1913.0 0.707 139.3 1914.0 0.707 139.3 1915.0 0.708 139.3 1916.0 0.708 139.2 1917.0 0.709 139.2 1918.0 0.709 139.2 1919.0 0.710 139.1 1920.0 0.710 139.1 1921.0 0.711 139.1 1922.0 0.711 139.0 1923.0 0.712 139.0 1924.0 0.712 139.0 1925.0 0.712 139.0 1926.0 0.712 138.9 1927.0 0.713 138.9 1928.0 0.713 138.9 1929.0 0.713 138.8 1930.0 0.713 138.8 1931.0 0.713 138.8 1932.0 0.714 138.8 1933.0 0.714 138.7 1934.0 0.714 138.7 1935.0 0.714 138.7 1936.0 0.714 138.6 1937.0 0.714 138.6 1938.0 0.714 138.6 1939.0 0.713 138.5 1940.0 0.713 138.5 1941.0 0.713 138.5 1942.0 0.713 138.5 1943.0 0.713 138.4 1944.0 0.713 138.4 1945.0 0.712 138.4 1946.0 0.712 138.3 1947.0 0.712 138.3 1948.0 0.711 138.3 1949.0 0.711 138.3 1950.0 0.710 138.2 1951.0 0.710 138.2 1952.0 0.709 138.2 1953.0 0.709 138.1 1954.0 0.708 138.1 1955.0 0.708 138.1 1956.0 0.707 138.0 1957.0 0.706 138.0 1958.0 0.706 138.0 1959.0 0.705 138.0 1960.0 0.704 137.9 1961.0 0.703 137.9 1962.0 0.703 137.9 1963.0 0.702 137.8 1964.0 0.701 137.8 1965.0 0.700 137.8 1966.0 0.699 137.7 1967.0 0.698 137.7 1968.0 0.697 137.7 1969.0 0.696 137.7 1970.0 0.694 137.6 1971.0 0.693 137.6 1972.0 0.692 137.6 1973.0 0.691 137.5 1974.0 0.690 137.5 1975.0 0.688 137.5 1976.0 0.687 137.4 1977.0 0.686 137.4 1978.0 0.684 137.4 1979.0 0.683 137.3 1980.0 0.681 137.3 1981.0 0.680 137.3 1982.0 0.678 137.2 1983.0 0.676 137.2 1984.0 0.675 137.2 1985.0 0.673 137.1 1986.0 0.671 137.1 1987.0 0.669 137.1 1988.0 0.668 137.0 1989.0 0.666 137.0 1990.0 0.664 137.0 1991.0 0.662 136.9 1992.0 0.660 136.9 1993.0 0.658 136.9 1994.0 0.656 136.8 1995.0 0.654 136.8 1996.0 0.651 136.8 1997.0 0.649 136.7 1998.0 0.647 136.7 1999.0 0.645 136.7 2000.0 0.642 136.6 2001.0 0.640 136.6 2002.0 0.637 136.6 2003.0 0.635 136.5 2004.0 0.632 136.5 2005.0 0.630 136.4 2006.0 0.627 136.4 2007.0 0.624 136.4 2008.0 0.622 136.3 2009.0 0.619 136.3 2010.0 0.616 136.3 2011.0 0.613 136.2 2012.0 0.610 136.2 2013.0 0.607 136.1 2014.0 0.604 136.1 2015.0 0.601 136.1 2016.0 0.598 136.0 2017.0 0.595 136.0 2018.0 0.591 135.9 2019.0 0.588 135.9 2020.0 0.585 135.8 2021.0 0.581 135.8 2022.0 0.578 135.8 2023.0 0.574 135.7 2024.0 0.571 135.7 2025.0 0.567 135.6 2026.0 0.563 135.6 2027.0 0.560 135.5 2028.0 0.556 135.5 2029.0 0.552 135.4 2030.0 0.548 135.4 2031.0 0.544 135.3 2032.0 0.540 135.3 2033.0 0.536 135.2 2034.0 0.531 135.2 2035.0 0.527 135.1 2036.0 0.523 135.1 2037.0 0.519 135.0 2038.0 0.514 135.0 2039.0 0.510 134.9 2040.0 0.505 134.8 2041.0 0.500 134.8 2042.0 0.496 134.7 2043.0 0.491 134.7 2044.0 0.486 134.6 2045.0 0.481 134.5 2046.0 0.476 134.5 2047.0 0.471 134.4 2048.0 0.466 134.3 2049.0 0.461 134.3 2050.0 0.455 134.2 2051.0 0.450 134.1 2052.0 0.445 134.1 2053.0 0.439 134.0 2054.0 0.434 133.9 2055.0 0.428 133.8 2056.0 0.422 133.7 2057.0 0.416 133.7 2058.0 0.411 133.6 2059.0 0.405 133.5 2060.0 0.399 133.4 2061.0 0.393 133.3 2062.0 0.386 133.2 2063.0 0.380 133.1 2064.0 0.374 133.0 2065.0 0.367 132.9 2066.0 0.361 132.8 2067.0 0.354 132.6 2068.0 0.347 132.5 2069.0 0.341 132.4 2070.0 0.334 132.3 2071.0 0.327 132.1 2072.0 0.320 132.0 2073.0 0.313 131.8 2074.0 0.306 131.7 2075.0 0.298 131.5 2076.0 0.291 131.4 2077.0 0.283 131.2 2078.0 0.276 131.0 2079.0 0.268 130.8 2080.0 0.260 130.6 2081.0 0.253 130.3 2082.0 0.245 130.1 2083.0 0.237 129.8 2084.0 0.229 129.6 2085.0 0.221 129.3 2086.0 0.212 129.0 2087.0 0.204 128.6 2088.0 0.196 128.2 2089.0 0.187 127.8 2090.0 0.179 127.4 2091.0 0.170 126.9 2092.0 0.161 126.4 2093.0 0.153 125.8 2094.0 0.144 125.1 2095.0 0.135 124.3 2096.0 0.126 123.4 2097.0 0.117 122.4 2098.0 0.108 121.3 2099.0 0.099 119.9 2100.0 0.090 118.2 2101.0 0.081 116.2 2102.0 0.073 113.7 2103.0 0.064 110.5 2104.0 0.055 106.2 2105.0 0.047 100.5 2106.0 0.040 92.6 2107.0 0.033 81.2 2108.0 0.029 65.4 2109.0 0.027 45.7 2110.0 0.028 25.8 2111.0 0.033 9.6 2112.0 0.039 358.0 2113.0 0.047 349.8 2114.0 0.055 344.0 2115.0 0.063 339.7 2116.0 0.072 336.4 2117.0 0.081 333.8 2118.0 0.089 331.8 2119.0 0.098 330.1 2120.0 0.107 328.7 2121.0 0.116 327.5 2122.0 0.125 326.4 2123.0 0.133 325.5 2124.0 0.142 324.8 2125.0 0.150 324.0 2126.0 0.158 323.4 2127.0 0.166 322.9 2128.0 0.174 322.3 2129.0 0.182 321.9 2130.0 0.189 321.4 2131.0 0.196 321.0 2132.0 0.203 320.7 2133.0 0.210 320.3 2134.0 0.217 320.0 2135.0 0.223 319.7 2136.0 0.229 319.4 2137.0 0.235 319.1 2138.0 0.241 318.8 2139.0 0.246 318.6 2140.0 0.251 318.4 2141.0 0.256 318.1 2142.0 0.261 317.9 2143.0 0.265 317.7 2144.0 0.270 317.5 2145.0 0.274 317.3 2146.0 0.277 317.1 2147.0 0.281 316.9 2148.0 0.284 316.7 2149.0 0.287 316.5 2150.0 0.290 316.3 2151.0 0.292 316.2 2152.0 0.294 316.0 2153.0 0.296 315.8 2154.0 0.298 315.7 2155.0 0.300 315.5 2156.0 0.301 315.3 2157.0 0.303 315.2 2158.0 0.304 315.0 2159.0 0.304 314.8 2160.0 0.305 314.7 2161.0 0.306 314.5 2162.0 0.306 314.4 2163.0 0.306 314.2 2164.0 0.306 314.0 2165.0 0.306 313.9 2166.0 0.306 313.7 2167.0 0.305 313.6 2168.0 0.305 313.4 2169.0 0.304 313.2 2170.0 0.303 313.1 2171.0 0.302 312.9 2172.0 0.301 312.8 2173.0 0.300 312.6 2174.0 0.298 312.4 2175.0 0.297 312.3 2176.0 0.295 312.1 2177.0 0.294 311.9 2178.0 0.292 311.7 2179.0 0.290 311.6 2180.0 0.288 311.4 2181.0 0.286 311.2 2182.0 0.284 311.0 2183.0 0.282 310.8 2184.0 0.279 310.6 2185.0 0.277 310.5 2186.0 0.275 310.3 2187.0 0.272 310.1 2188.0 0.269 309.9 2189.0 0.267 309.7 2190.0 0.264 309.4 2191.0 0.261 309.2 2192.0 0.258 309.0 2193.0 0.256 308.8 2194.0 0.253 308.5 2195.0 0.250 308.3 2196.0 0.247 308.1 2197.0 0.243 307.8 2198.0 0.240 307.6 2199.0 0.237 307.3 2200.0 0.234 307.0 2201.0 0.231 306.8 2202.0 0.227 306.5 2203.0 0.224 306.2 2204.0 0.221 305.9 2205.0 0.217 305.6 2206.0 0.214 305.3 2207.0 0.210 304.9 2208.0 0.207 304.6 2209.0 0.203 304.2 2210.0 0.200 303.9 2211.0 0.196 303.5 2212.0 0.193 303.1 2213.0 0.189 302.7 2214.0 0.185 302.3 2215.0 0.182 301.8 2216.0 0.178 301.4 2217.0 0.175 300.9 2218.0 0.171 300.4 2219.0 0.167 299.9 2220.0 0.164 299.3 2221.0 0.160 298.7 2222.0 0.156 298.2 2223.0 0.152 297.5 2224.0 0.149 296.9 2225.0 0.145 296.2 2226.0 0.141 295.5 2227.0 0.138 294.7 2228.0 0.134 293.9 2229.0 0.130 293.0 2230.0 0.127 292.1 2231.0 0.123 291.2 2232.0 0.120 290.2 2233.0 0.116 289.1 2234.0 0.112 288.0 2235.0 0.109 286.7 2236.0 0.105 285.4 2237.0 0.102 284.1 2238.0 0.099 282.6 2239.0 0.095 281.0 2240.0 0.092 279.3 2241.0 0.089 277.5 2242.0 0.086 275.6 2243.0 0.083 273.5 2244.0 0.080 271.2 2245.0 0.077 268.8 2246.0 0.075 266.3 2247.0 0.072 263.5 2248.0 0.070 260.6 2249.0 0.068 257.5 2250.0 0.066 254.2 2251.0 0.065 250.7 2252.0 0.063 247.0 2253.0 0.062 243.2 2254.0 0.061 239.3 2255.0 0.061 235.3 2256.0 0.060 231.2 2257.0 0.060 227.2 2258.0 0.061 223.1 2259.0 0.061 219.1 2260.0 0.062 215.2 2261.0 0.063 211.4 2262.0 0.065 207.8 2263.0 0.067 204.4 2264.0 0.069 201.1 2265.0 0.071 198.1 2266.0 0.073 195.2 2267.0 0.075 192.5 2268.0 0.078 189.9 2269.0 0.081 187.6 2270.0 0.084 185.4 2271.0 0.087 183.3 2272.0 0.090 181.4 2273.0 0.093 179.7 2274.0 0.096 178.0 2275.0 0.100 176.4 2276.0 0.103 175.0 2277.0 0.106 173.6 2278.0 0.110 172.4 2279.0 0.114 171.2 2280.0 0.117 170.1 2281.0 0.121 169.0 2282.0 0.124 168.0 2283.0 0.128 167.1 2284.0 0.132 166.2 2285.0 0.135 165.4 2286.0 0.139 164.6 2287.0 0.143 163.8 2288.0 0.147 163.1 2289.0 0.151 162.4 2290.0 0.154 161.8 2291.0 0.158 161.2 2292.0 0.162 160.6 2293.0 0.166 160.1 2294.0 0.170 159.5 2295.0 0.174 159.0 2296.0 0.177 158.5 2297.0 0.181 158.1 2298.0 0.185 157.6 2299.0 0.189 157.2 2300.0 0.193 156.8 2301.0 0.197 156.4 2302.0 0.200 156.0 2303.0 0.204 155.7 2304.0 0.208 155.3 2305.0 0.212 155.0 2306.0 0.216 154.7 2307.0 0.220 154.3 2308.0 0.224 154.0 2309.0 0.227 153.7 2310.0 0.231 153.5 2311.0 0.235 153.2 2312.0 0.239 152.9 2313.0 0.243 152.7 2314.0 0.247 152.4 2315.0 0.250 152.2 2316.0 0.254 151.9 2317.0 0.258 151.7