| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:44:51 |
| WDS: | BU525 | WDS ID/Discoverer |
| P: | 505.000 | Orbital period (years) |
| a: | 0.647 | Semi-major axis (arcseconds) |
| i: | 62.3 | Inclination (degrees) |
| Ω: | 265.2 | Longitude of ascending node (degrees) |
| T: | 1947.600 | Epoch of periastron passage (year) |
| e: | 0.256 | Eccentricity |
| ω: | 303.8 | Longitude of periastron (degrees) |
| Start-Year: | 1773.0 | Year |
| End-Year: | 2277.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 025853.11+213703.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02589+2137 | WDS designation |
| Discoverer Code: | BU525 | Discover designation and components |
| ADS number: | 2253 | Aitken Double Star catalog |
| HD number: | 18484 | HD catalog number |
| Hipparcos number: | 13892 | Hipparcos catalog number |
| V1: | 7.47 | Magnitude of the primary |
| V2: | 7.45 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2015 | Date of last observation |
| Orbit grade: | 4 | 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 0.537 278.6 ------------------------- 1773.0 0.725 75.2 1774.0 0.726 75.5 1775.0 0.727 75.7 1776.0 0.727 76.0 1777.0 0.727 76.2 1778.0 0.728 76.5 1779.0 0.728 76.7 1780.0 0.728 77.0 1781.0 0.729 77.3 1782.0 0.729 77.5 1783.0 0.729 77.8 1784.0 0.729 78.0 1785.0 0.729 78.3 1786.0 0.729 78.5 1787.0 0.729 78.8 1788.0 0.728 79.0 1789.0 0.728 79.3 1790.0 0.728 79.5 1791.0 0.728 79.8 1792.0 0.727 80.0 1793.0 0.727 80.3 1794.0 0.726 80.5 1795.0 0.725 80.8 1796.0 0.725 81.1 1797.0 0.724 81.3 1798.0 0.723 81.6 1799.0 0.722 81.8 1800.0 0.721 82.1 1801.0 0.720 82.3 1802.0 0.719 82.6 1803.0 0.718 82.9 1804.0 0.717 83.1 1805.0 0.716 83.4 1806.0 0.714 83.6 1807.0 0.713 83.9 1808.0 0.711 84.2 1809.0 0.710 84.4 1810.0 0.708 84.7 1811.0 0.707 85.0 1812.0 0.705 85.2 1813.0 0.703 85.5 1814.0 0.701 85.8 1815.0 0.699 86.1 1816.0 0.697 86.3 1817.0 0.695 86.6 1818.0 0.693 86.9 1819.0 0.691 87.2 1820.0 0.688 87.4 1821.0 0.686 87.7 1822.0 0.683 88.0 1823.0 0.681 88.3 1824.0 0.678 88.6 1825.0 0.676 88.9 1826.0 0.673 89.2 1827.0 0.670 89.5 1828.0 0.667 89.8 1829.0 0.664 90.1 1830.0 0.661 90.4 1831.0 0.658 90.7 1832.0 0.655 91.0 1833.0 0.652 91.3 1834.0 0.648 91.6 1835.0 0.645 92.0 1836.0 0.642 92.3 1837.0 0.638 92.6 1838.0 0.635 92.9 1839.0 0.631 93.3 1840.0 0.627 93.6 1841.0 0.623 94.0 1842.0 0.619 94.3 1843.0 0.615 94.7 1844.0 0.611 95.0 1845.0 0.607 95.4 1846.0 0.603 95.7 1847.0 0.599 96.1 1848.0 0.594 96.5 1849.0 0.590 96.9 1850.0 0.586 97.3 1851.0 0.581 97.7 1852.0 0.576 98.1 1853.0 0.572 98.5 1854.0 0.567 98.9 1855.0 0.562 99.3 1856.0 0.557 99.7 1857.0 0.552 100.2 1858.0 0.547 100.6 1859.0 0.542 101.1 1860.0 0.537 101.5 1861.0 0.532 102.0 1862.0 0.526 102.5 1863.0 0.521 103.0 1864.0 0.516 103.5 1865.0 0.510 104.0 1866.0 0.505 104.5 1867.0 0.499 105.0 1868.0 0.493 105.6 1869.0 0.488 106.1 1870.0 0.482 106.7 1871.0 0.476 107.3 1872.0 0.470 107.9 1873.0 0.464 108.5 1874.0 0.458 109.1 1875.0 0.453 109.8 1876.0 0.446 110.4 1877.0 0.440 111.1 1878.0 0.434 111.8 1879.0 0.428 112.5 1880.0 0.422 113.3 1881.0 0.416 114.0 1882.0 0.410 114.8 1883.0 0.403 115.6 1884.0 0.397 116.5 1885.0 0.391 117.3 1886.0 0.385 118.2 1887.0 0.379 119.1 1888.0 0.372 120.1 1889.0 0.366 121.1 1890.0 0.360 122.1 1891.0 0.354 123.1 1892.0 0.348 124.2 1893.0 0.341 125.4 1894.0 0.335 126.5 1895.0 0.329 127.8 1896.0 0.323 129.0 1897.0 0.318 130.3 1898.0 0.312 131.7 1899.0 0.306 133.1 1900.0 0.301 134.5 1901.0 0.295 136.0 1902.0 0.290 137.6 1903.0 0.285 139.2 1904.0 0.280 140.9 1905.0 0.275 142.7 1906.0 0.270 144.5 1907.0 0.266 146.3 1908.0 0.261 148.3 1909.0 0.257 150.3 1910.0 0.253 152.3 1911.0 0.250 154.5 1912.0 0.247 156.6 1913.0 0.244 158.9 1914.0 0.241 161.2 1915.0 0.238 163.5 1916.0 0.236 165.9 1917.0 0.235 168.3 1918.0 0.233 170.7 1919.0 0.232 173.2 1920.0 0.232 175.7 1921.0 0.231 178.2 1922.0 0.231 180.7 1923.0 0.232 183.2 1924.0 0.233 185.7 1925.0 0.234 188.2 1926.0 0.235 190.6 1927.0 0.237 193.0 1928.0 0.239 195.4 1929.0 0.242 197.7 1930.0 0.244 200.0 1931.0 0.248 202.2 1932.0 0.251 204.3 1933.0 0.254 206.4 1934.0 0.258 208.5 1935.0 0.262 210.5 1936.0 0.267 212.4 1937.0 0.271 214.2 1938.0 0.276 216.0 1939.0 0.280 217.8 1940.0 0.285 219.4 1941.0 0.290 221.1 1942.0 0.296 222.6 1943.0 0.301 224.1 1944.0 0.306 225.6 1945.0 0.312 227.0 1946.0 0.317 228.3 1947.0 0.323 229.7 1948.0 0.328 230.9 1949.0 0.334 232.1 1950.0 0.340 233.3 1951.0 0.345 234.5 1952.0 0.351 235.6 1953.0 0.356 236.7 1954.0 0.362 237.7 1955.0 0.368 238.7 1956.0 0.373 239.7 1957.0 0.379 240.6 1958.0 0.384 241.5 1959.0 0.390 242.4 1960.0 0.395 243.3 1961.0 0.401 244.2 1962.0 0.406 245.0 1963.0 0.411 245.8 1964.0 0.416 246.6 1965.0 0.422 247.3 1966.0 0.427 248.1 1967.0 0.432 248.8 1968.0 0.436 249.5 1969.0 0.441 250.2 1970.0 0.446 250.9 1971.0 0.450 251.6 1972.0 0.455 252.2 1973.0 0.459 252.9 1974.0 0.463 253.5 1975.0 0.468 254.1 1976.0 0.472 254.7 1977.0 0.476 255.3 1978.0 0.480 255.9 1979.0 0.483 256.5 1980.0 0.487 257.1 1981.0 0.490 257.6 1982.0 0.494 258.2 1983.0 0.497 258.7 1984.0 0.500 259.3 1985.0 0.503 259.8 1986.0 0.506 260.3 1987.0 0.509 260.8 1988.0 0.512 261.3 1989.0 0.515 261.9 1990.0 0.517 262.4 1991.0 0.519 262.9 1992.0 0.522 263.4 1993.0 0.524 263.8 1994.0 0.526 264.3 1995.0 0.528 264.8 1996.0 0.530 265.3 1997.0 0.531 265.8 1998.0 0.533 266.2 1999.0 0.534 266.7 2000.0 0.536 267.2 2001.0 0.537 267.6 2002.0 0.538 268.1 2003.0 0.539 268.6 2004.0 0.540 269.0 2005.0 0.541 269.5 2006.0 0.542 270.0 2007.0 0.542 270.4 2008.0 0.543 270.9 2009.0 0.543 271.3 2010.0 0.543 271.8 2011.0 0.544 272.2 2012.0 0.544 272.7 2013.0 0.544 273.1 2014.0 0.544 273.6 2015.0 0.544 274.0 2016.0 0.543 274.5 2017.0 0.543 274.9 2018.0 0.542 275.4 2019.0 0.542 275.9 2020.0 0.541 276.3 2021.0 0.541 276.8 2022.0 0.540 277.2 2023.0 0.539 277.7 2024.0 0.538 278.2 2025.0 0.537 278.6 2026.0 0.536 279.1 2027.0 0.535 279.6 2028.0 0.534 280.0 2029.0 0.532 280.5 2030.0 0.531 281.0 2031.0 0.529 281.4 2032.0 0.528 281.9 2033.0 0.526 282.4 2034.0 0.525 282.9 2035.0 0.523 283.4 2036.0 0.521 283.9 2037.0 0.520 284.4 2038.0 0.518 284.9 2039.0 0.516 285.4 2040.0 0.514 285.9 2041.0 0.512 286.4 2042.0 0.510 286.9 2043.0 0.508 287.4 2044.0 0.505 287.9 2045.0 0.503 288.5 2046.0 0.501 289.0 2047.0 0.499 289.5 2048.0 0.496 290.1 2049.0 0.494 290.6 2050.0 0.492 291.2 2051.0 0.489 291.7 2052.0 0.487 292.3 2053.0 0.484 292.9 2054.0 0.482 293.4 2055.0 0.479 294.0 2056.0 0.477 294.6 2057.0 0.474 295.2 2058.0 0.471 295.8 2059.0 0.469 296.4 2060.0 0.466 297.0 2061.0 0.463 297.6 2062.0 0.461 298.3 2063.0 0.458 298.9 2064.0 0.455 299.6 2065.0 0.453 300.2 2066.0 0.450 300.9 2067.0 0.447 301.5 2068.0 0.445 302.2 2069.0 0.442 302.9 2070.0 0.439 303.6 2071.0 0.437 304.3 2072.0 0.434 305.0 2073.0 0.431 305.7 2074.0 0.429 306.4 2075.0 0.426 307.2 2076.0 0.423 307.9 2077.0 0.421 308.7 2078.0 0.418 309.4 2079.0 0.416 310.2 2080.0 0.413 311.0 2081.0 0.411 311.8 2082.0 0.408 312.6 2083.0 0.406 313.4 2084.0 0.403 314.2 2085.0 0.401 315.0 2086.0 0.399 315.9 2087.0 0.396 316.7 2088.0 0.394 317.6 2089.0 0.392 318.4 2090.0 0.390 319.3 2091.0 0.388 320.2 2092.0 0.385 321.1 2093.0 0.383 322.0 2094.0 0.382 322.9 2095.0 0.380 323.8 2096.0 0.378 324.8 2097.0 0.376 325.7 2098.0 0.374 326.7 2099.0 0.373 327.6 2100.0 0.371 328.6 2101.0 0.369 329.6 2102.0 0.368 330.6 2103.0 0.367 331.6 2104.0 0.365 332.6 2105.0 0.364 333.6 2106.0 0.363 334.6 2107.0 0.362 335.6 2108.0 0.361 336.6 2109.0 0.360 337.7 2110.0 0.359 338.7 2111.0 0.358 339.8 2112.0 0.358 340.8 2113.0 0.357 341.8 2114.0 0.357 342.9 2115.0 0.356 344.0 2116.0 0.356 345.0 2117.0 0.356 346.1 2118.0 0.355 347.1 2119.0 0.355 348.2 2120.0 0.355 349.3 2121.0 0.355 350.3 2122.0 0.356 351.4 2123.0 0.356 352.4 2124.0 0.356 353.5 2125.0 0.357 354.6 2126.0 0.357 355.6 2127.0 0.358 356.7 2128.0 0.359 357.7 2129.0 0.359 358.7 2130.0 0.360 359.8 2131.0 0.361 0.8 2132.0 0.362 1.8 2133.0 0.363 2.9 2134.0 0.365 3.9 2135.0 0.366 4.9 2136.0 0.367 5.9 2137.0 0.369 6.9 2138.0 0.370 7.8 2139.0 0.372 8.8 2140.0 0.374 9.8 2141.0 0.375 10.7 2142.0 0.377 11.7 2143.0 0.379 12.6 2144.0 0.381 13.6 2145.0 0.383 14.5 2146.0 0.385 15.4 2147.0 0.387 16.3 2148.0 0.390 17.2 2149.0 0.392 18.0 2150.0 0.394 18.9 2151.0 0.397 19.8 2152.0 0.399 20.6 2153.0 0.401 21.5 2154.0 0.404 22.3 2155.0 0.407 23.1 2156.0 0.409 23.9 2157.0 0.412 24.7 2158.0 0.415 25.5 2159.0 0.417 26.3 2160.0 0.420 27.0 2161.0 0.423 27.8 2162.0 0.426 28.5 2163.0 0.429 29.3 2164.0 0.432 30.0 2165.0 0.435 30.7 2166.0 0.438 31.4 2167.0 0.441 32.1 2168.0 0.444 32.8 2169.0 0.447 33.5 2170.0 0.450 34.1 2171.0 0.454 34.8 2172.0 0.457 35.4 2173.0 0.460 36.1 2174.0 0.463 36.7 2175.0 0.466 37.3 2176.0 0.470 37.9 2177.0 0.473 38.5 2178.0 0.476 39.1 2179.0 0.480 39.7 2180.0 0.483 40.3 2181.0 0.486 40.9 2182.0 0.490 41.4 2183.0 0.493 42.0 2184.0 0.496 42.5 2185.0 0.500 43.1 2186.0 0.503 43.6 2187.0 0.506 44.1 2188.0 0.510 44.6 2189.0 0.513 45.2 2190.0 0.517 45.7 2191.0 0.520 46.2 2192.0 0.523 46.7 2193.0 0.527 47.1 2194.0 0.530 47.6 2195.0 0.533 48.1 2196.0 0.537 48.6 2197.0 0.540 49.0 2198.0 0.543 49.5 2199.0 0.547 49.9 2200.0 0.550 50.4 2201.0 0.553 50.8 2202.0 0.557 51.3 2203.0 0.560 51.7 2204.0 0.563 52.1 2205.0 0.566 52.5 2206.0 0.570 52.9 2207.0 0.573 53.4 2208.0 0.576 53.8 2209.0 0.579 54.2 2210.0 0.583 54.6 2211.0 0.586 55.0 2212.0 0.589 55.3 2213.0 0.592 55.7 2214.0 0.595 56.1 2215.0 0.598 56.5 2216.0 0.601 56.9 2217.0 0.604 57.2 2218.0 0.607 57.6 2219.0 0.610 58.0 2220.0 0.613 58.3 2221.0 0.616 58.7 2222.0 0.619 59.0 2223.0 0.622 59.4 2224.0 0.625 59.7 2225.0 0.628 60.1 2226.0 0.631 60.4 2227.0 0.633 60.7 2228.0 0.636 61.1 2229.0 0.639 61.4 2230.0 0.642 61.7 2231.0 0.644 62.0 2232.0 0.647 62.4 2233.0 0.649 62.7 2234.0 0.652 63.0 2235.0 0.655 63.3 2236.0 0.657 63.6 2237.0 0.660 63.9 2238.0 0.662 64.2 2239.0 0.664 64.5 2240.0 0.667 64.9 2241.0 0.669 65.2 2242.0 0.671 65.5 2243.0 0.674 65.7 2244.0 0.676 66.0 2245.0 0.678 66.3 2246.0 0.680 66.6 2247.0 0.682 66.9 2248.0 0.684 67.2 2249.0 0.686 67.5 2250.0 0.688 67.8 2251.0 0.690 68.1 2252.0 0.692 68.3 2253.0 0.694 68.6 2254.0 0.696 68.9 2255.0 0.698 69.2 2256.0 0.699 69.4 2257.0 0.701 69.7 2258.0 0.703 70.0 2259.0 0.704 70.3 2260.0 0.706 70.5 2261.0 0.707 70.8 2262.0 0.709 71.1 2263.0 0.710 71.3 2264.0 0.712 71.6 2265.0 0.713 71.9 2266.0 0.714 72.1 2267.0 0.715 72.4 2268.0 0.716 72.6 2269.0 0.718 72.9 2270.0 0.719 73.2 2271.0 0.720 73.4 2272.0 0.721 73.7 2273.0 0.722 73.9 2274.0 0.722 74.2 2275.0 0.723 74.5 2276.0 0.724 74.7