| WDS: | BU180AB | WDS ID/Discoverer |
| P: | 537.000 | Orbital period (years) |
| a: | 0.517 | Semi-major axis (arcseconds) |
| i: | 133.4 | Inclination (degrees) |
| Ω: | 161.8 | Longitude of ascending node (degrees) |
| T: | 2201.930 | Epoch of periastron passage (year) |
| e: | 0.198 | Eccentricity |
| ω: | 180.4 | Longitude of periastron (degrees) |
| Start-Year: | 1756.5 | Year |
| End-Year: | 2293.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU180AB |
||
| Position: | 230709.99+604957.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23072+6050 | WDS designation |
| Discoverer Code: | BU180AB | Discover designation and components |
| ADS number: | 16518 | Aitken Double Star catalog |
| HD number: | 218439 | HD catalog number |
| Hipparcos number: | 114161 | Hipparcos catalog number |
| V1: | 7.95 | Magnitude of the primary |
| V2: | 9.23 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2006 | 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: | Lin2010c | 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 0.496 127.26 -------------------------- 1756.50 0.336 260.78 1757.50 0.336 259.71 1758.50 0.337 258.64 1759.50 0.337 257.58 1760.50 0.338 256.52 1761.50 0.338 255.46 1762.50 0.339 254.41 1763.50 0.340 253.36 1764.50 0.340 252.32 1765.50 0.341 251.28 1766.50 0.342 250.24 1767.50 0.343 249.22 1768.50 0.344 248.19 1769.50 0.345 247.18 1770.50 0.346 246.17 1771.50 0.348 245.17 1772.50 0.349 244.17 1773.50 0.350 243.18 1774.50 0.351 242.20 1775.50 0.353 241.23 1776.50 0.354 240.26 1777.50 0.356 239.30 1778.50 0.357 238.35 1779.50 0.359 237.41 1780.50 0.360 236.48 1781.50 0.362 235.55 1782.50 0.364 234.64 1783.50 0.366 233.73 1784.50 0.367 232.83 1785.50 0.369 231.94 1786.50 0.371 231.06 1787.50 0.373 230.19 1788.50 0.375 229.33 1789.50 0.377 228.48 1790.50 0.379 227.63 1791.50 0.381 226.80 1792.50 0.383 225.97 1793.50 0.385 225.15 1794.50 0.388 224.35 1795.50 0.390 223.55 1796.50 0.392 222.76 1797.50 0.394 221.98 1798.50 0.396 221.20 1799.50 0.399 220.44 1800.50 0.401 219.68 1801.50 0.403 218.94 1802.50 0.406 218.20 1803.50 0.408 217.47 1804.50 0.410 216.75 1805.50 0.413 216.04 1806.50 0.415 215.33 1807.50 0.418 214.64 1808.50 0.420 213.95 1809.50 0.422 213.27 1810.50 0.425 212.59 1811.50 0.427 211.93 1812.50 0.430 211.27 1813.50 0.432 210.62 1814.50 0.435 209.98 1815.50 0.437 209.35 1816.50 0.440 208.72 1817.50 0.442 208.10 1818.50 0.445 207.48 1819.50 0.447 206.88 1820.50 0.450 206.28 1821.50 0.452 205.68 1822.50 0.455 205.10 1823.50 0.457 204.52 1824.50 0.460 203.94 1825.50 0.462 203.37 1826.50 0.465 202.81 1827.50 0.467 202.25 1828.50 0.470 201.70 1829.50 0.472 201.16 1830.50 0.475 200.62 1831.50 0.477 200.09 1832.50 0.479 199.56 1833.50 0.482 199.04 1834.50 0.484 198.52 1835.50 0.487 198.01 1836.50 0.489 197.50 1837.50 0.492 197.00 1838.50 0.494 196.50 1839.50 0.496 196.01 1840.50 0.499 195.52 1841.50 0.501 195.04 1842.50 0.503 194.56 1843.50 0.506 194.09 1844.50 0.508 193.62 1845.50 0.510 193.15 1846.50 0.513 192.69 1847.50 0.515 192.23 1848.50 0.517 191.78 1849.50 0.519 191.33 1850.50 0.522 190.89 1851.50 0.524 190.44 1852.50 0.526 190.01 1853.50 0.528 189.57 1854.50 0.530 189.14 1855.50 0.532 188.71 1856.50 0.534 188.29 1857.50 0.537 187.87 1858.50 0.539 187.45 1859.50 0.541 187.04 1860.50 0.543 186.63 1861.50 0.545 186.22 1862.50 0.547 185.81 1863.50 0.549 185.41 1864.50 0.551 185.01 1865.50 0.552 184.61 1866.50 0.554 184.22 1867.50 0.556 183.83 1868.50 0.558 183.44 1869.50 0.560 183.05 1870.50 0.562 182.67 1871.50 0.563 182.29 1872.50 0.565 181.91 1873.50 0.567 181.53 1874.50 0.569 181.16 1875.50 0.570 180.79 1876.50 0.572 180.42 1877.50 0.574 180.05 1878.50 0.575 179.68 1879.50 0.577 179.32 1880.50 0.578 178.96 1881.50 0.580 178.60 1882.50 0.581 178.24 1883.50 0.583 177.88 1884.50 0.584 177.53 1885.50 0.586 177.18 1886.50 0.587 176.83 1887.50 0.588 176.48 1888.50 0.590 176.13 1889.50 0.591 175.78 1890.50 0.592 175.44 1891.50 0.594 175.09 1892.50 0.595 174.75 1893.50 0.596 174.41 1894.50 0.597 174.07 1895.50 0.598 173.73 1896.50 0.599 173.40 1897.50 0.600 173.06 1898.50 0.601 172.73 1899.50 0.602 172.40 1900.50 0.603 172.06 1901.50 0.604 171.73 1902.50 0.605 171.40 1903.50 0.606 171.07 1904.50 0.607 170.75 1905.50 0.608 170.42 1906.50 0.609 170.09 1907.50 0.610 169.77 1908.50 0.610 169.44 1909.50 0.611 169.12 1910.50 0.612 168.80 1911.50 0.612 168.47 1912.50 0.613 168.15 1913.50 0.614 167.83 1914.50 0.614 167.51 1915.50 0.615 167.19 1916.50 0.615 166.87 1917.50 0.616 166.56 1918.50 0.616 166.24 1919.50 0.617 165.92 1920.50 0.617 165.60 1921.50 0.617 165.29 1922.50 0.618 164.97 1923.50 0.618 164.65 1924.50 0.618 164.34 1925.50 0.619 164.02 1926.50 0.619 163.71 1927.50 0.619 163.39 1928.50 0.619 163.08 1929.50 0.619 162.76 1930.50 0.619 162.45 1931.50 0.619 162.13 1932.50 0.619 161.82 1933.50 0.619 161.50 1934.50 0.619 161.19 1935.50 0.619 160.87 1936.50 0.619 160.56 1937.50 0.619 160.24 1938.50 0.619 159.93 1939.50 0.619 159.61 1940.50 0.618 159.30 1941.50 0.618 158.98 1942.50 0.618 158.67 1943.50 0.618 158.35 1944.50 0.617 158.03 1945.50 0.617 157.72 1946.50 0.617 157.40 1947.50 0.616 157.08 1948.50 0.616 156.76 1949.50 0.615 156.45 1950.50 0.615 156.13 1951.50 0.614 155.81 1952.50 0.613 155.49 1953.50 0.613 155.17 1954.50 0.612 154.84 1955.50 0.612 154.52 1956.50 0.611 154.20 1957.50 0.610 153.87 1958.50 0.609 153.55 1959.50 0.609 153.22 1960.50 0.608 152.90 1961.50 0.607 152.57 1962.50 0.606 152.24 1963.50 0.605 151.91 1964.50 0.604 151.58 1965.50 0.603 151.25 1966.50 0.602 150.92 1967.50 0.601 150.59 1968.50 0.600 150.25 1969.50 0.599 149.92 1970.50 0.598 149.58 1971.50 0.597 149.24 1972.50 0.596 148.90 1973.50 0.594 148.56 1974.50 0.593 148.22 1975.50 0.592 147.87 1976.50 0.591 147.53 1977.50 0.589 147.18 1978.50 0.588 146.83 1979.50 0.587 146.48 1980.50 0.585 146.13 1981.50 0.584 145.78 1982.50 0.582 145.42 1983.50 0.581 145.07 1984.50 0.579 144.71 1985.50 0.578 144.35 1986.50 0.576 143.99 1987.50 0.575 143.62 1988.50 0.573 143.26 1989.50 0.572 142.89 1990.50 0.570 142.52 1991.50 0.568 142.14 1992.50 0.566 141.77 1993.50 0.565 141.39 1994.50 0.563 141.01 1995.50 0.561 140.63 1996.50 0.559 140.25 1997.50 0.558 139.86 1998.50 0.556 139.47 1999.50 0.554 139.08 2000.50 0.552 138.68 2001.50 0.550 138.29 2002.50 0.548 137.89 2003.50 0.546 137.48 2004.50 0.544 137.08 2005.50 0.542 136.67 2006.50 0.540 136.26 2007.50 0.538 135.84 2008.50 0.536 135.42 2009.50 0.534 135.00 2010.50 0.532 134.58 2011.50 0.530 134.15 2012.50 0.528 133.72 2013.50 0.525 133.28 2014.50 0.523 132.84 2015.50 0.521 132.40 2016.50 0.519 131.95 2017.50 0.517 131.50 2018.50 0.514 131.05 2019.50 0.512 130.59 2020.50 0.510 130.13 2021.50 0.508 129.66 2022.50 0.505 129.19 2023.50 0.503 128.72 2024.50 0.501 128.24 2025.50 0.498 127.75 2026.50 0.496 127.26 2027.50 0.494 126.77 2028.50 0.491 126.27 2029.50 0.489 125.77 2030.50 0.486 125.26 2031.50 0.484 124.75 2032.50 0.481 124.23 2033.50 0.479 123.71 2034.50 0.477 123.18 2035.50 0.474 122.65 2036.50 0.472 122.11 2037.50 0.469 121.56 2038.50 0.467 121.01 2039.50 0.464 120.45 2040.50 0.462 119.89 2041.50 0.459 119.32 2042.50 0.457 118.75 2043.50 0.454 118.17 2044.50 0.452 117.58 2045.50 0.449 116.98 2046.50 0.447 116.38 2047.50 0.444 115.78 2048.50 0.442 115.16 2049.50 0.439 114.54 2050.50 0.437 113.91 2051.50 0.435 113.28 2052.50 0.432 112.63 2053.50 0.430 111.98 2054.50 0.427 111.32 2055.50 0.425 110.66 2056.50 0.422 109.99 2057.50 0.420 109.31 2058.50 0.417 108.62 2059.50 0.415 107.92 2060.50 0.413 107.22 2061.50 0.410 106.50 2062.50 0.408 105.78 2063.50 0.406 105.05 2064.50 0.403 104.32 2065.50 0.401 103.57 2066.50 0.399 102.81 2067.50 0.396 102.05 2068.50 0.394 101.28 2069.50 0.392 100.50 2070.50 0.390 99.71 2071.50 0.388 98.91 2072.50 0.386 98.10 2073.50 0.383 97.29 2074.50 0.381 96.46 2075.50 0.379 95.63 2076.50 0.377 94.78 2077.50 0.375 93.93 2078.50 0.373 93.07 2079.50 0.372 92.20 2080.50 0.370 91.32 2081.50 0.368 90.43 2082.50 0.366 89.54 2083.50 0.364 88.63 2084.50 0.363 87.72 2085.50 0.361 86.80 2086.50 0.359 85.87 2087.50 0.358 84.93 2088.50 0.356 83.98 2089.50 0.355 83.02 2090.50 0.353 82.06 2091.50 0.352 81.09 2092.50 0.351 80.11 2093.50 0.349 79.13 2094.50 0.348 78.14 2095.50 0.347 77.14 2096.50 0.346 76.13 2097.50 0.345 75.12 2098.50 0.344 74.10 2099.50 0.343 73.08 2100.50 0.342 72.05 2101.50 0.341 71.01 2102.50 0.340 69.97 2103.50 0.340 68.93 2104.50 0.339 67.88 2105.50 0.338 66.83 2106.50 0.338 65.77 2107.50 0.337 64.72 2108.50 0.337 63.66 2109.50 0.337 62.59 2110.50 0.336 61.53 2111.50 0.336 60.46 2112.50 0.336 59.39 2113.50 0.336 58.32 2114.50 0.336 57.25 2115.50 0.336 56.18 2116.50 0.336 55.11 2117.50 0.336 54.05 2118.50 0.336 52.98 2119.50 0.337 51.91 2120.50 0.337 50.85 2121.50 0.337 49.79 2122.50 0.338 48.73 2123.50 0.338 47.67 2124.50 0.339 46.62 2125.50 0.339 45.57 2126.50 0.340 44.52 2127.50 0.341 43.48 2128.50 0.341 42.44 2129.50 0.342 41.41 2130.50 0.343 40.38 2131.50 0.344 39.35 2132.50 0.345 38.34 2133.50 0.346 37.32 2134.50 0.347 36.32 2135.50 0.348 35.31 2136.50 0.349 34.32 2137.50 0.350 33.33 2138.50 0.351 32.35 2139.50 0.352 31.37 2140.50 0.353 30.40 2141.50 0.355 29.44 2142.50 0.356 28.48 2143.50 0.357 27.53 2144.50 0.358 26.59 2145.50 0.360 25.65 2146.50 0.361 24.72 2147.50 0.362 23.80 2148.50 0.364 22.88 2149.50 0.365 21.98 2150.50 0.366 21.07 2151.50 0.368 20.18 2152.50 0.369 19.29 2153.50 0.371 18.41 2154.50 0.372 17.53 2155.50 0.374 16.67 2156.50 0.375 15.80 2157.50 0.376 14.95 2158.50 0.378 14.10 2159.50 0.379 13.26 2160.50 0.381 12.42 2161.50 0.382 11.59 2162.50 0.383 10.77 2163.50 0.385 9.95 2164.50 0.386 9.14 2165.50 0.387 8.33 2166.50 0.389 7.53 2167.50 0.390 6.73 2168.50 0.391 5.94 2169.50 0.393 5.16 2170.50 0.394 4.38 2171.50 0.395 3.60 2172.50 0.396 2.83 2173.50 0.397 2.06 2174.50 0.399 1.30 2175.50 0.400 0.54 2176.50 0.401 359.79 2177.50 0.402 359.04 2178.50 0.403 358.29 2179.50 0.404 357.55 2180.50 0.405 356.81 2181.50 0.406 356.08 2182.50 0.406 355.34 2183.50 0.407 354.62 2184.50 0.408 353.89 2185.50 0.409 353.17 2186.50 0.409 352.44 2187.50 0.410 351.73 2188.50 0.411 351.01 2189.50 0.411 350.30 2190.50 0.412 349.58 2191.50 0.412 348.87 2192.50 0.413 348.16 2193.50 0.413 347.46 2194.50 0.414 346.75 2195.50 0.414 346.04 2196.50 0.414 345.34 2197.50 0.414 344.64 2198.50 0.414 343.93 2199.50 0.415 343.23 2200.50 0.415 342.53 2201.50 0.415 341.83 2202.50 0.415 341.13 2203.50 0.415 340.42 2204.50 0.414 339.72 2205.50 0.414 339.02 2206.50 0.414 338.31 2207.50 0.414 337.61 2208.50 0.413 336.90 2209.50 0.413 336.20 2210.50 0.413 335.49 2211.50 0.412 334.78 2212.50 0.412 334.07 2213.50 0.411 333.36 2214.50 0.411 332.64 2215.50 0.410 331.92 2216.50 0.409 331.20 2217.50 0.409 330.48 2218.50 0.408 329.76 2219.50 0.407 329.03 2220.50 0.406 328.30 2221.50 0.405 327.57 2222.50 0.404 326.83 2223.50 0.403 326.09 2224.50 0.402 325.35 2225.50 0.401 324.60 2226.50 0.400 323.85 2227.50 0.399 323.10 2228.50 0.398 322.34 2229.50 0.397 321.57 2230.50 0.396 320.80 2231.50 0.395 320.03 2232.50 0.393 319.25 2233.50 0.392 318.47 2234.50 0.391 317.69 2235.50 0.390 316.89 2236.50 0.388 316.09 2237.50 0.387 315.29 2238.50 0.386 314.48 2239.50 0.384 313.67 2240.50 0.383 312.85 2241.50 0.381 312.02 2242.50 0.380 311.19 2243.50 0.379 310.35 2244.50 0.377 309.50 2245.50 0.376 308.65 2246.50 0.374 307.79 2247.50 0.373 306.93 2248.50 0.371 306.06 2249.50 0.370 305.18 2250.50 0.369 304.30 2251.50 0.367 303.40 2252.50 0.366 302.50 2253.50 0.364 301.60 2254.50 0.363 300.69 2255.50 0.362 299.77 2256.50 0.360 298.84 2257.50 0.359 297.91 2258.50 0.358 296.97 2259.50 0.356 296.02 2260.50 0.355 295.07 2261.50 0.354 294.10 2262.50 0.353 293.14 2263.50 0.351 292.16 2264.50 0.350 291.18 2265.50 0.349 290.19 2266.50 0.348 289.20 2267.50 0.347 288.20 2268.50 0.346 287.19 2269.50 0.345 286.18 2270.50 0.344 285.16 2271.50 0.343 284.14 2272.50 0.342 283.11 2273.50 0.341 282.08 2274.50 0.340 281.04 2275.50 0.340 279.99 2276.50 0.339 278.94 2277.50 0.338 277.89 2278.50 0.338 276.84 2279.50 0.337 275.78 2280.50 0.337 274.72 2281.50 0.336 273.65 2282.50 0.336 272.58 2283.50 0.336 271.51 2284.50 0.335 270.44 2285.50 0.335 269.37 2286.50 0.335 268.29 2287.50 0.335 267.22 2288.50 0.335 266.14 2289.50 0.335 265.07 2290.50 0.335 263.99 2291.50 0.335 262.92 2292.50 0.336 261.85
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:47:18 |