| 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: | 1772.5 | Year |
| End-Year: | 2277.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU525 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | Rbr2018 | 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 0.535 279.32 -------------------------- 1772.50 0.725 75.10 1773.50 0.726 75.35 1774.50 0.726 75.61 1775.50 0.727 75.86 1776.50 0.727 76.11 1777.50 0.728 76.37 1778.50 0.728 76.62 1779.50 0.728 76.87 1780.50 0.729 77.13 1781.50 0.729 77.38 1782.50 0.729 77.63 1783.50 0.729 77.88 1784.50 0.729 78.14 1785.50 0.729 78.39 1786.50 0.729 78.64 1787.50 0.729 78.89 1788.50 0.728 79.15 1789.50 0.728 79.40 1790.50 0.728 79.65 1791.50 0.727 79.91 1792.50 0.727 80.16 1793.50 0.726 80.41 1794.50 0.726 80.67 1795.50 0.725 80.92 1796.50 0.724 81.18 1797.50 0.724 81.43 1798.50 0.723 81.69 1799.50 0.722 81.95 1800.50 0.721 82.21 1801.50 0.720 82.46 1802.50 0.719 82.72 1803.50 0.717 82.98 1804.50 0.716 83.24 1805.50 0.715 83.51 1806.50 0.714 83.77 1807.50 0.712 84.03 1808.50 0.711 84.30 1809.50 0.709 84.56 1810.50 0.707 84.83 1811.50 0.706 85.10 1812.50 0.704 85.37 1813.50 0.702 85.64 1814.50 0.700 85.91 1815.50 0.698 86.19 1816.50 0.696 86.46 1817.50 0.694 86.74 1818.50 0.692 87.02 1819.50 0.689 87.30 1820.50 0.687 87.59 1821.50 0.685 87.87 1822.50 0.682 88.16 1823.50 0.680 88.45 1824.50 0.677 88.74 1825.50 0.674 89.03 1826.50 0.672 89.33 1827.50 0.669 89.63 1828.50 0.666 89.93 1829.50 0.663 90.23 1830.50 0.660 90.54 1831.50 0.657 90.85 1832.50 0.653 91.16 1833.50 0.650 91.48 1834.50 0.647 91.80 1835.50 0.643 92.12 1836.50 0.640 92.44 1837.50 0.636 92.77 1838.50 0.633 93.11 1839.50 0.629 93.44 1840.50 0.625 93.78 1841.50 0.621 94.13 1842.50 0.617 94.48 1843.50 0.613 94.83 1844.50 0.609 95.19 1845.50 0.605 95.55 1846.50 0.601 95.92 1847.50 0.597 96.30 1848.50 0.592 96.68 1849.50 0.588 97.06 1850.50 0.583 97.45 1851.50 0.579 97.85 1852.50 0.574 98.25 1853.50 0.569 98.66 1854.50 0.565 99.08 1855.50 0.560 99.51 1856.50 0.555 99.94 1857.50 0.550 100.38 1858.50 0.545 100.83 1859.50 0.540 101.28 1860.50 0.534 101.75 1861.50 0.529 102.22 1862.50 0.524 102.71 1863.50 0.518 103.20 1864.50 0.513 103.70 1865.50 0.507 104.22 1866.50 0.502 104.75 1867.50 0.496 105.28 1868.50 0.491 105.83 1869.50 0.485 106.40 1870.50 0.479 106.98 1871.50 0.473 107.57 1872.50 0.467 108.17 1873.50 0.461 108.80 1874.50 0.456 109.43 1875.50 0.450 110.09 1876.50 0.443 110.76 1877.50 0.437 111.45 1878.50 0.431 112.16 1879.50 0.425 112.89 1880.50 0.419 113.65 1881.50 0.413 114.42 1882.50 0.407 115.22 1883.50 0.400 116.04 1884.50 0.394 116.89 1885.50 0.388 117.77 1886.50 0.382 118.68 1887.50 0.375 119.61 1888.50 0.369 120.58 1889.50 0.363 121.58 1890.50 0.357 122.62 1891.50 0.351 123.69 1892.50 0.345 124.80 1893.50 0.338 125.95 1894.50 0.332 127.14 1895.50 0.326 128.38 1896.50 0.321 129.66 1897.50 0.315 130.99 1898.50 0.309 132.37 1899.50 0.303 133.80 1900.50 0.298 135.28 1901.50 0.292 136.82 1902.50 0.287 138.42 1903.50 0.282 140.07 1904.50 0.277 141.79 1905.50 0.272 143.56 1906.50 0.268 145.40 1907.50 0.263 147.31 1908.50 0.259 149.27 1909.50 0.255 151.30 1910.50 0.252 153.39 1911.50 0.248 155.54 1912.50 0.245 157.74 1913.50 0.242 160.00 1914.50 0.240 162.32 1915.50 0.237 164.67 1916.50 0.236 167.07 1917.50 0.234 169.51 1918.50 0.233 171.97 1919.50 0.232 174.45 1920.50 0.231 176.95 1921.50 0.231 179.46 1922.50 0.232 181.96 1923.50 0.232 184.46 1924.50 0.233 186.93 1925.50 0.234 189.39 1926.50 0.236 191.81 1927.50 0.238 194.20 1928.50 0.240 196.54 1929.50 0.243 198.83 1930.50 0.246 201.08 1931.50 0.249 203.27 1932.50 0.253 205.40 1933.50 0.256 207.47 1934.50 0.260 209.48 1935.50 0.264 211.43 1936.50 0.269 213.31 1937.50 0.273 215.14 1938.50 0.278 216.91 1939.50 0.283 218.61 1940.50 0.288 220.26 1941.50 0.293 221.85 1942.50 0.298 223.38 1943.50 0.303 224.87 1944.50 0.309 226.30 1945.50 0.314 227.68 1946.50 0.320 229.01 1947.50 0.325 230.30 1948.50 0.331 231.54 1949.50 0.337 232.75 1950.50 0.342 233.91 1951.50 0.348 235.03 1952.50 0.354 236.12 1953.50 0.359 237.18 1954.50 0.365 238.20 1955.50 0.371 239.19 1956.50 0.376 240.16 1957.50 0.382 241.09 1958.50 0.387 242.00 1959.50 0.393 242.88 1960.50 0.398 243.74 1961.50 0.403 244.57 1962.50 0.409 245.39 1963.50 0.414 246.18 1964.50 0.419 246.95 1965.50 0.424 247.71 1966.50 0.429 248.44 1967.50 0.434 249.16 1968.50 0.439 249.87 1969.50 0.443 250.56 1970.50 0.448 251.23 1971.50 0.453 251.89 1972.50 0.457 252.54 1973.50 0.461 253.18 1974.50 0.466 253.80 1975.50 0.470 254.41 1976.50 0.474 255.02 1977.50 0.478 255.61 1978.50 0.481 256.19 1979.50 0.485 256.77 1980.50 0.489 257.33 1981.50 0.492 257.89 1982.50 0.496 258.44 1983.50 0.499 258.98 1984.50 0.502 259.52 1985.50 0.505 260.05 1986.50 0.508 260.57 1987.50 0.511 261.09 1988.50 0.513 261.60 1989.50 0.516 262.11 1990.50 0.518 262.61 1991.50 0.521 263.10 1992.50 0.523 263.60 1993.50 0.525 264.09 1994.50 0.527 264.57 1995.50 0.529 265.05 1996.50 0.530 265.53 1997.50 0.532 266.01 1998.50 0.534 266.48 1999.50 0.535 266.95 2000.50 0.536 267.41 2001.50 0.538 267.88 2002.50 0.539 268.34 2003.50 0.540 268.80 2004.50 0.540 269.26 2005.50 0.541 269.72 2006.50 0.542 270.18 2007.50 0.542 270.64 2008.50 0.543 271.09 2009.50 0.543 271.55 2010.50 0.544 272.00 2011.50 0.544 272.45 2012.50 0.544 272.91 2013.50 0.544 273.36 2014.50 0.544 273.81 2015.50 0.543 274.27 2016.50 0.543 274.72 2017.50 0.543 275.18 2018.50 0.542 275.63 2019.50 0.542 276.09 2020.50 0.541 276.55 2021.50 0.540 277.01 2022.50 0.539 277.47 2023.50 0.539 277.93 2024.50 0.538 278.39 2025.50 0.537 278.86 2026.50 0.535 279.32 2027.50 0.534 279.79 2028.50 0.533 280.26 2029.50 0.532 280.73 2030.50 0.530 281.21 2031.50 0.529 281.69 2032.50 0.527 282.17 2033.50 0.526 282.65 2034.50 0.524 283.14 2035.50 0.522 283.63 2036.50 0.520 284.12 2037.50 0.519 284.62 2038.50 0.517 285.12 2039.50 0.515 285.63 2040.50 0.513 286.13 2041.50 0.511 286.65 2042.50 0.509 287.16 2043.50 0.506 287.68 2044.50 0.504 288.21 2045.50 0.502 288.74 2046.50 0.500 289.27 2047.50 0.497 289.81 2048.50 0.495 290.35 2049.50 0.493 290.90 2050.50 0.490 291.46 2051.50 0.488 292.02 2052.50 0.485 292.59 2053.50 0.483 293.16 2054.50 0.480 293.74 2055.50 0.478 294.32 2056.50 0.475 294.91 2057.50 0.473 295.51 2058.50 0.470 296.11 2059.50 0.467 296.72 2060.50 0.465 297.34 2061.50 0.462 297.96 2062.50 0.459 298.59 2063.50 0.457 299.23 2064.50 0.454 299.88 2065.50 0.451 300.53 2066.50 0.449 301.19 2067.50 0.446 301.86 2068.50 0.443 302.54 2069.50 0.441 303.23 2070.50 0.438 303.92 2071.50 0.435 304.63 2072.50 0.433 305.34 2073.50 0.430 306.06 2074.50 0.427 306.79 2075.50 0.425 307.53 2076.50 0.422 308.28 2077.50 0.420 309.03 2078.50 0.417 309.80 2079.50 0.414 310.58 2080.50 0.412 311.36 2081.50 0.409 312.16 2082.50 0.407 312.96 2083.50 0.405 313.78 2084.50 0.402 314.60 2085.50 0.400 315.43 2086.50 0.397 316.28 2087.50 0.395 317.13 2088.50 0.393 318.00 2089.50 0.391 318.87 2090.50 0.389 319.75 2091.50 0.387 320.64 2092.50 0.384 321.55 2093.50 0.382 322.46 2094.50 0.381 323.38 2095.50 0.379 324.31 2096.50 0.377 325.25 2097.50 0.375 326.20 2098.50 0.373 327.16 2099.50 0.372 328.12 2100.50 0.370 329.10 2101.50 0.369 330.08 2102.50 0.367 331.07 2103.50 0.366 332.07 2104.50 0.365 333.07 2105.50 0.363 334.08 2106.50 0.362 335.10 2107.50 0.361 336.12 2108.50 0.360 337.15 2109.50 0.359 338.19 2110.50 0.359 339.23 2111.50 0.358 340.27 2112.50 0.357 341.32 2113.50 0.357 342.37 2114.50 0.356 343.43 2115.50 0.356 344.49 2116.50 0.356 345.55 2117.50 0.355 346.61 2118.50 0.355 347.67 2119.50 0.355 348.73 2120.50 0.355 349.79 2121.50 0.355 350.86 2122.50 0.356 351.92 2123.50 0.356 352.98 2124.50 0.356 354.03 2125.50 0.357 355.09 2126.50 0.358 356.14 2127.50 0.358 357.18 2128.50 0.359 358.23 2129.50 0.360 359.27 2130.50 0.361 0.30 2131.50 0.362 1.33 2132.50 0.363 2.35 2133.50 0.364 3.36 2134.50 0.365 4.37 2135.50 0.367 5.37 2136.50 0.368 6.37 2137.50 0.370 7.35 2138.50 0.371 8.33 2139.50 0.373 9.30 2140.50 0.374 10.26 2141.50 0.376 11.21 2142.50 0.378 12.16 2143.50 0.380 13.09 2144.50 0.382 14.01 2145.50 0.384 14.93 2146.50 0.386 15.83 2147.50 0.388 16.72 2148.50 0.391 17.61 2149.50 0.393 18.48 2150.50 0.395 19.35 2151.50 0.398 20.20 2152.50 0.400 21.04 2153.50 0.403 21.87 2154.50 0.405 22.69 2155.50 0.408 23.50 2156.50 0.411 24.31 2157.50 0.413 25.10 2158.50 0.416 25.88 2159.50 0.419 26.64 2160.50 0.422 27.40 2161.50 0.425 28.15 2162.50 0.428 28.89 2163.50 0.430 29.62 2164.50 0.433 30.34 2165.50 0.436 31.05 2166.50 0.440 31.75 2167.50 0.443 32.44 2168.50 0.446 33.11 2169.50 0.449 33.79 2170.50 0.452 34.45 2171.50 0.455 35.10 2172.50 0.458 35.74 2173.50 0.462 36.37 2174.50 0.465 37.00 2175.50 0.468 37.62 2176.50 0.471 38.22 2177.50 0.475 38.82 2178.50 0.478 39.41 2179.50 0.481 40.00 2180.50 0.485 40.57 2181.50 0.488 41.14 2182.50 0.491 41.70 2183.50 0.495 42.25 2184.50 0.498 42.79 2185.50 0.501 43.33 2186.50 0.505 43.86 2187.50 0.508 44.38 2188.50 0.511 44.90 2189.50 0.515 45.41 2190.50 0.518 45.91 2191.50 0.522 46.41 2192.50 0.525 46.90 2193.50 0.528 47.38 2194.50 0.532 47.86 2195.50 0.535 48.33 2196.50 0.538 48.80 2197.50 0.542 49.26 2198.50 0.545 49.71 2199.50 0.548 50.16 2200.50 0.552 50.60 2201.50 0.555 51.04 2202.50 0.558 51.47 2203.50 0.562 51.90 2204.50 0.565 52.32 2205.50 0.568 52.74 2206.50 0.571 53.15 2207.50 0.575 53.56 2208.50 0.578 53.97 2209.50 0.581 54.37 2210.50 0.584 54.76 2211.50 0.587 55.15 2212.50 0.590 55.54 2213.50 0.594 55.92 2214.50 0.597 56.30 2215.50 0.600 56.67 2216.50 0.603 57.05 2217.50 0.606 57.41 2218.50 0.609 57.78 2219.50 0.612 58.14 2220.50 0.615 58.49 2221.50 0.618 58.85 2222.50 0.621 59.20 2223.50 0.623 59.54 2224.50 0.626 59.89 2225.50 0.629 60.23 2226.50 0.632 60.56 2227.50 0.635 60.90 2228.50 0.637 61.23 2229.50 0.640 61.56 2230.50 0.643 61.88 2231.50 0.646 62.21 2232.50 0.648 62.53 2233.50 0.651 62.84 2234.50 0.653 63.16 2235.50 0.656 63.47 2236.50 0.658 63.78 2237.50 0.661 64.09 2238.50 0.663 64.40 2239.50 0.666 64.70 2240.50 0.668 65.00 2241.50 0.670 65.30 2242.50 0.673 65.60 2243.50 0.675 65.90 2244.50 0.677 66.19 2245.50 0.679 66.48 2246.50 0.681 66.77 2247.50 0.683 67.06 2248.50 0.685 67.35 2249.50 0.687 67.63 2250.50 0.689 67.91 2251.50 0.691 68.19 2252.50 0.693 68.47 2253.50 0.695 68.75 2254.50 0.697 69.03 2255.50 0.698 69.30 2256.50 0.700 69.58 2257.50 0.702 69.85 2258.50 0.703 70.12 2259.50 0.705 70.39 2260.50 0.707 70.66 2261.50 0.708 70.93 2262.50 0.709 71.20 2263.50 0.711 71.46 2264.50 0.712 71.73 2265.50 0.713 71.99 2266.50 0.715 72.26 2267.50 0.716 72.52 2268.50 0.717 72.78 2269.50 0.718 73.04 2270.50 0.719 73.30 2271.50 0.720 73.56 2272.50 0.721 73.82 2273.50 0.722 74.07 2274.50 0.723 74.33 2275.50 0.724 74.59 2276.50 0.724 74.84
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:06:22 |