| WDS: | BU620AB | WDS ID/Discoverer |
| P: | 700.000 | Orbital period (years) |
| a: | 1.5 | Semi-major axis (arcseconds) |
| i: | 86.3 | Inclination (degrees) |
| Ω: | 6.3 | Longitude of ascending node (degrees) |
| T: | 2175.650 | Epoch of periastron passage (year) |
| e: | 0.859 | Eccentricity |
| ω: | 89.5 | Longitude of periastron (degrees) |
| Start-Year: | 1675.0 | Year |
| End-Year: | 2375.0 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU620AB |
||
| Position: | 154612.89-280341.1 | Epoch-2000 right ascension and declination |
| WDS-ID: | 15462-2804 | WDS designation |
| Discoverer Code: | BU620AB | Discover designation and components |
| ADS number: | 9775 | Aitken Double Star catalog |
| HD number: | 140722 | HD catalog number |
| Hipparcos number: | 77235 | Hipparcos catalog number |
| V1: | 7.58 | Magnitude of the primary |
| V2: | 7.03 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2021 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Tok2021c | 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 0.664 354.89 -------------------------- 1675.00 0.571 201.85 1676.00 0.568 201.96 1677.00 0.565 202.08 1678.00 0.562 202.20 1679.00 0.559 202.33 1680.00 0.557 202.45 1681.00 0.554 202.57 1682.00 0.551 202.70 1683.00 0.548 202.82 1684.00 0.545 202.95 1685.00 0.542 203.08 1686.00 0.539 203.21 1687.00 0.536 203.34 1688.00 0.534 203.48 1689.00 0.531 203.61 1690.00 0.528 203.75 1691.00 0.525 203.89 1692.00 0.522 204.03 1693.00 0.519 204.17 1694.00 0.516 204.31 1695.00 0.513 204.46 1696.00 0.510 204.60 1697.00 0.507 204.75 1698.00 0.504 204.90 1699.00 0.501 205.05 1700.00 0.498 205.20 1701.00 0.495 205.36 1702.00 0.492 205.52 1703.00 0.489 205.67 1704.00 0.486 205.84 1705.00 0.483 206.00 1706.00 0.480 206.16 1707.00 0.477 206.33 1708.00 0.474 206.50 1709.00 0.471 206.67 1710.00 0.468 206.84 1711.00 0.465 207.02 1712.00 0.462 207.20 1713.00 0.459 207.38 1714.00 0.456 207.56 1715.00 0.453 207.74 1716.00 0.450 207.93 1717.00 0.447 208.12 1718.00 0.444 208.31 1719.00 0.441 208.51 1720.00 0.438 208.71 1721.00 0.435 208.91 1722.00 0.432 209.11 1723.00 0.429 209.32 1724.00 0.426 209.53 1725.00 0.423 209.74 1726.00 0.420 209.96 1727.00 0.416 210.18 1728.00 0.413 210.40 1729.00 0.410 210.62 1730.00 0.407 210.85 1731.00 0.404 211.08 1732.00 0.401 211.32 1733.00 0.398 211.56 1734.00 0.395 211.80 1735.00 0.392 212.05 1736.00 0.389 212.30 1737.00 0.386 212.55 1738.00 0.383 212.81 1739.00 0.380 213.08 1740.00 0.377 213.34 1741.00 0.374 213.61 1742.00 0.371 213.89 1743.00 0.368 214.17 1744.00 0.365 214.45 1745.00 0.362 214.74 1746.00 0.359 215.04 1747.00 0.356 215.34 1748.00 0.353 215.64 1749.00 0.350 215.95 1750.00 0.347 216.27 1751.00 0.344 216.59 1752.00 0.341 216.91 1753.00 0.338 217.24 1754.00 0.335 217.58 1755.00 0.332 217.93 1756.00 0.329 218.28 1757.00 0.326 218.63 1758.00 0.323 218.99 1759.00 0.320 219.36 1760.00 0.317 219.74 1761.00 0.314 220.12 1762.00 0.312 220.51 1763.00 0.309 220.91 1764.00 0.306 221.32 1765.00 0.303 221.73 1766.00 0.300 222.15 1767.00 0.297 222.58 1768.00 0.294 223.01 1769.00 0.292 223.46 1770.00 0.289 223.91 1771.00 0.286 224.37 1772.00 0.283 224.85 1773.00 0.281 225.33 1774.00 0.278 225.82 1775.00 0.275 226.32 1776.00 0.272 226.83 1777.00 0.270 227.35 1778.00 0.267 227.88 1779.00 0.264 228.42 1780.00 0.262 228.97 1781.00 0.259 229.53 1782.00 0.257 230.11 1783.00 0.254 230.69 1784.00 0.252 231.29 1785.00 0.249 231.90 1786.00 0.247 232.52 1787.00 0.244 233.16 1788.00 0.242 233.81 1789.00 0.239 234.47 1790.00 0.237 235.14 1791.00 0.235 235.83 1792.00 0.232 236.53 1793.00 0.230 237.25 1794.00 0.228 237.98 1795.00 0.226 238.72 1796.00 0.223 239.48 1797.00 0.221 240.25 1798.00 0.219 241.04 1799.00 0.217 241.84 1800.00 0.215 242.66 1801.00 0.213 243.49 1802.00 0.211 244.34 1803.00 0.209 245.20 1804.00 0.208 246.08 1805.00 0.206 246.98 1806.00 0.204 247.89 1807.00 0.202 248.82 1808.00 0.201 249.76 1809.00 0.199 250.71 1810.00 0.198 251.69 1811.00 0.196 252.67 1812.00 0.195 253.67 1813.00 0.193 254.69 1814.00 0.192 255.72 1815.00 0.191 256.76 1816.00 0.190 257.82 1817.00 0.188 258.89 1818.00 0.187 259.97 1819.00 0.186 261.07 1820.00 0.186 262.17 1821.00 0.185 263.29 1822.00 0.184 264.42 1823.00 0.183 265.55 1824.00 0.182 266.69 1825.00 0.182 267.85 1826.00 0.181 269.00 1827.00 0.181 270.17 1828.00 0.181 271.34 1829.00 0.180 272.51 1830.00 0.180 273.69 1831.00 0.180 274.87 1832.00 0.180 276.05 1833.00 0.180 277.23 1834.00 0.180 278.41 1835.00 0.180 279.59 1836.00 0.180 280.77 1837.00 0.181 281.94 1838.00 0.181 283.11 1839.00 0.182 284.27 1840.00 0.182 285.43 1841.00 0.183 286.58 1842.00 0.183 287.72 1843.00 0.184 288.85 1844.00 0.185 289.98 1845.00 0.186 291.09 1846.00 0.187 292.19 1847.00 0.188 293.29 1848.00 0.189 294.37 1849.00 0.190 295.43 1850.00 0.191 296.49 1851.00 0.192 297.53 1852.00 0.194 298.55 1853.00 0.195 299.57 1854.00 0.196 300.56 1855.00 0.198 301.55 1856.00 0.199 302.52 1857.00 0.201 303.47 1858.00 0.203 304.41 1859.00 0.204 305.33 1860.00 0.206 306.24 1861.00 0.208 307.13 1862.00 0.210 308.00 1863.00 0.212 308.86 1864.00 0.214 309.71 1865.00 0.216 310.54 1866.00 0.218 311.35 1867.00 0.220 312.15 1868.00 0.222 312.94 1869.00 0.224 313.71 1870.00 0.226 314.46 1871.00 0.228 315.20 1872.00 0.231 315.93 1873.00 0.233 316.64 1874.00 0.235 317.34 1875.00 0.238 318.02 1876.00 0.240 318.69 1877.00 0.242 319.35 1878.00 0.245 320.00 1879.00 0.247 320.63 1880.00 0.250 321.25 1881.00 0.252 321.85 1882.00 0.255 322.45 1883.00 0.257 323.03 1884.00 0.260 323.61 1885.00 0.262 324.17 1886.00 0.265 324.72 1887.00 0.268 325.25 1888.00 0.270 325.78 1889.00 0.273 326.30 1890.00 0.276 326.81 1891.00 0.278 327.31 1892.00 0.281 327.79 1893.00 0.284 328.27 1894.00 0.287 328.74 1895.00 0.289 329.20 1896.00 0.292 329.66 1897.00 0.295 330.10 1898.00 0.298 330.53 1899.00 0.301 330.96 1900.00 0.304 331.38 1901.00 0.306 331.79 1902.00 0.309 332.19 1903.00 0.312 332.59 1904.00 0.315 332.98 1905.00 0.318 333.36 1906.00 0.321 333.73 1907.00 0.324 334.10 1908.00 0.327 334.46 1909.00 0.330 334.82 1910.00 0.333 335.17 1911.00 0.336 335.51 1912.00 0.339 335.84 1913.00 0.342 336.18 1914.00 0.344 336.50 1915.00 0.347 336.82 1916.00 0.350 337.13 1917.00 0.353 337.44 1918.00 0.356 337.75 1919.00 0.359 338.04 1920.00 0.362 338.34 1921.00 0.365 338.63 1922.00 0.368 338.91 1923.00 0.371 339.19 1924.00 0.374 339.46 1925.00 0.377 339.74 1926.00 0.381 340.00 1927.00 0.384 340.26 1928.00 0.387 340.52 1929.00 0.390 340.77 1930.00 0.393 341.02 1931.00 0.396 341.27 1932.00 0.399 341.51 1933.00 0.402 341.75 1934.00 0.405 341.99 1935.00 0.408 342.22 1936.00 0.411 342.45 1937.00 0.414 342.67 1938.00 0.417 342.89 1939.00 0.420 343.11 1940.00 0.423 343.33 1941.00 0.426 343.54 1942.00 0.429 343.75 1943.00 0.432 343.95 1944.00 0.435 344.16 1945.00 0.438 344.36 1946.00 0.441 344.56 1947.00 0.444 344.75 1948.00 0.447 344.94 1949.00 0.450 345.13 1950.00 0.453 345.32 1951.00 0.456 345.51 1952.00 0.459 345.69 1953.00 0.462 345.87 1954.00 0.465 346.05 1955.00 0.468 346.22 1956.00 0.471 346.39 1957.00 0.474 346.57 1958.00 0.477 346.73 1959.00 0.480 346.90 1960.00 0.483 347.07 1961.00 0.486 347.23 1962.00 0.489 347.39 1963.00 0.492 347.55 1964.00 0.495 347.71 1965.00 0.498 347.86 1966.00 0.501 348.01 1967.00 0.504 348.16 1968.00 0.507 348.31 1969.00 0.510 348.46 1970.00 0.513 348.61 1971.00 0.516 348.75 1972.00 0.519 348.90 1973.00 0.522 349.04 1974.00 0.524 349.18 1975.00 0.527 349.32 1976.00 0.530 349.45 1977.00 0.533 349.59 1978.00 0.536 349.72 1979.00 0.539 349.85 1980.00 0.542 349.98 1981.00 0.545 350.11 1982.00 0.548 350.24 1983.00 0.550 350.37 1984.00 0.553 350.49 1985.00 0.556 350.62 1986.00 0.559 350.74 1987.00 0.562 350.86 1988.00 0.564 350.98 1989.00 0.567 351.10 1990.00 0.570 351.22 1991.00 0.573 351.34 1992.00 0.576 351.45 1993.00 0.578 351.57 1994.00 0.581 351.68 1995.00 0.584 351.80 1996.00 0.586 351.91 1997.00 0.589 352.02 1998.00 0.592 352.13 1999.00 0.595 352.24 2000.00 0.597 352.34 2001.00 0.600 352.45 2002.00 0.603 352.56 2003.00 0.605 352.66 2004.00 0.608 352.77 2005.00 0.610 352.87 2006.00 0.613 352.97 2007.00 0.616 353.07 2008.00 0.618 353.17 2009.00 0.621 353.27 2010.00 0.623 353.37 2011.00 0.626 353.47 2012.00 0.629 353.57 2013.00 0.631 353.66 2014.00 0.634 353.76 2015.00 0.636 353.85 2016.00 0.638 353.95 2017.00 0.641 354.04 2018.00 0.643 354.13 2019.00 0.646 354.23 2020.00 0.648 354.32 2021.00 0.651 354.41 2022.00 0.653 354.50 2023.00 0.655 354.59 2024.00 0.658 354.68 2025.00 0.660 354.76 2026.00 0.662 354.85 2027.00 0.665 354.94 2028.00 0.667 355.02 2029.00 0.669 355.11 2030.00 0.672 355.19 2031.00 0.674 355.28 2032.00 0.676 355.36 2033.00 0.678 355.45 2034.00 0.680 355.53 2035.00 0.683 355.61 2036.00 0.685 355.69 2037.00 0.687 355.77 2038.00 0.689 355.86 2039.00 0.691 355.94 2040.00 0.693 356.02 2041.00 0.695 356.09 2042.00 0.697 356.17 2043.00 0.699 356.25 2044.00 0.701 356.33 2045.00 0.703 356.41 2046.00 0.705 356.48 2047.00 0.707 356.56 2048.00 0.709 356.64 2049.00 0.711 356.71 2050.00 0.712 356.79 2051.00 0.714 356.86 2052.00 0.716 356.94 2053.00 0.718 357.01 2054.00 0.720 357.09 2055.00 0.721 357.16 2056.00 0.723 357.23 2057.00 0.725 357.31 2058.00 0.726 357.38 2059.00 0.728 357.45 2060.00 0.729 357.52 2061.00 0.731 357.60 2062.00 0.732 357.67 2063.00 0.734 357.74 2064.00 0.735 357.81 2065.00 0.737 357.88 2066.00 0.738 357.95 2067.00 0.739 358.02 2068.00 0.741 358.09 2069.00 0.742 358.16 2070.00 0.743 358.23 2071.00 0.745 358.30 2072.00 0.746 358.37 2073.00 0.747 358.44 2074.00 0.748 358.50 2075.00 0.749 358.57 2076.00 0.750 358.64 2077.00 0.751 358.71 2078.00 0.752 358.78 2079.00 0.753 358.84 2080.00 0.754 358.91 2081.00 0.755 358.98 2082.00 0.755 359.05 2083.00 0.756 359.11 2084.00 0.757 359.18 2085.00 0.757 359.25 2086.00 0.758 359.31 2087.00 0.759 359.38 2088.00 0.759 359.45 2089.00 0.760 359.51 2090.00 0.760 359.58 2091.00 0.760 359.64 2092.00 0.761 359.71 2093.00 0.761 359.78 2094.00 0.761 359.84 2095.00 0.761 359.91 2096.00 0.761 359.97 2097.00 0.761 0.04 2098.00 0.761 0.11 2099.00 0.761 0.17 2100.00 0.761 0.24 2101.00 0.761 0.30 2102.00 0.760 0.37 2103.00 0.760 0.44 2104.00 0.760 0.50 2105.00 0.759 0.57 2106.00 0.758 0.64 2107.00 0.758 0.70 2108.00 0.757 0.77 2109.00 0.756 0.84 2110.00 0.755 0.90 2111.00 0.754 0.97 2112.00 0.753 1.04 2113.00 0.752 1.10 2114.00 0.751 1.17 2115.00 0.749 1.24 2116.00 0.748 1.31 2117.00 0.746 1.38 2118.00 0.745 1.45 2119.00 0.743 1.51 2120.00 0.741 1.58 2121.00 0.739 1.65 2122.00 0.737 1.72 2123.00 0.735 1.79 2124.00 0.732 1.87 2125.00 0.730 1.94 2126.00 0.727 2.01 2127.00 0.724 2.08 2128.00 0.721 2.15 2129.00 0.718 2.23 2130.00 0.715 2.30 2131.00 0.711 2.38 2132.00 0.708 2.45 2133.00 0.704 2.53 2134.00 0.700 2.61 2135.00 0.696 2.69 2136.00 0.692 2.77 2137.00 0.687 2.85 2138.00 0.682 2.93 2139.00 0.677 3.01 2140.00 0.672 3.10 2141.00 0.666 3.18 2142.00 0.660 3.27 2143.00 0.654 3.36 2144.00 0.648 3.45 2145.00 0.641 3.54 2146.00 0.634 3.63 2147.00 0.627 3.73 2148.00 0.619 3.83 2149.00 0.611 3.93 2150.00 0.602 4.03 2151.00 0.593 4.14 2152.00 0.583 4.25 2153.00 0.573 4.36 2154.00 0.562 4.48 2155.00 0.551 4.61 2156.00 0.539 4.73 2157.00 0.526 4.87 2158.00 0.513 5.01 2159.00 0.498 5.16 2160.00 0.483 5.32 2161.00 0.467 5.49 2162.00 0.449 5.67 2163.00 0.430 5.87 2164.00 0.410 6.09 2165.00 0.388 6.33 2166.00 0.364 6.60 2167.00 0.338 6.91 2168.00 0.310 7.27 2169.00 0.280 7.71 2170.00 0.247 8.26 2171.00 0.210 9.00 2172.00 0.171 10.06 2173.00 0.128 11.81 2174.00 0.082 15.43 2175.00 0.036 28.29 2176.00 0.020 144.52 2177.00 0.065 174.47 2178.00 0.111 179.75 2179.00 0.155 181.96 2180.00 0.196 183.22 2181.00 0.233 184.05 2182.00 0.268 184.66 2183.00 0.300 185.14 2184.00 0.329 185.52 2185.00 0.356 185.85 2186.00 0.381 186.13 2187.00 0.404 186.38 2188.00 0.425 186.60 2189.00 0.445 186.81 2190.00 0.463 186.99 2191.00 0.480 187.16 2192.00 0.496 187.32 2193.00 0.511 187.47 2194.00 0.526 187.62 2195.00 0.539 187.75 2196.00 0.552 187.88 2197.00 0.564 188.00 2198.00 0.575 188.12 2199.00 0.586 188.23 2200.00 0.596 188.34 2201.00 0.606 188.45 2202.00 0.615 188.55 2203.00 0.623 188.65 2204.00 0.632 188.75 2205.00 0.640 188.84 2206.00 0.647 188.94 2207.00 0.654 189.03 2208.00 0.661 189.11 2209.00 0.668 189.20 2210.00 0.674 189.29 2211.00 0.680 189.37 2212.00 0.686 189.45 2213.00 0.691 189.53 2214.00 0.696 189.61 2215.00 0.701 189.69 2216.00 0.706 189.77 2217.00 0.711 189.84 2218.00 0.715 189.92 2219.00 0.719 189.99 2220.00 0.723 190.07 2221.00 0.727 190.14 2222.00 0.731 190.21 2223.00 0.734 190.28 2224.00 0.737 190.35 2225.00 0.741 190.42 2226.00 0.744 190.49 2227.00 0.746 190.56 2228.00 0.749 190.63 2229.00 0.752 190.70 2230.00 0.754 190.76 2231.00 0.757 190.83 2232.00 0.759 190.90 2233.00 0.761 190.96 2234.00 0.763 191.03 2235.00 0.765 191.10 2236.00 0.766 191.16 2237.00 0.768 191.23 2238.00 0.770 191.29 2239.00 0.771 191.35 2240.00 0.773 191.42 2241.00 0.774 191.48 2242.00 0.775 191.55 2243.00 0.776 191.61 2244.00 0.777 191.67 2245.00 0.778 191.74 2246.00 0.779 191.80 2247.00 0.780 191.86 2248.00 0.781 191.93 2249.00 0.781 191.99 2250.00 0.782 192.05 2251.00 0.782 192.11 2252.00 0.783 192.18 2253.00 0.783 192.24 2254.00 0.783 192.30 2255.00 0.784 192.36 2256.00 0.784 192.42 2257.00 0.784 192.49 2258.00 0.784 192.55 2259.00 0.784 192.61 2260.00 0.784 192.67 2261.00 0.784 192.74 2262.00 0.784 192.80 2263.00 0.783 192.86 2264.00 0.783 192.92 2265.00 0.783 192.99 2266.00 0.782 193.05 2267.00 0.782 193.11 2268.00 0.781 193.17 2269.00 0.781 193.24 2270.00 0.780 193.30 2271.00 0.780 193.36 2272.00 0.779 193.42 2273.00 0.778 193.49 2274.00 0.778 193.55 2275.00 0.777 193.61 2276.00 0.776 193.68 2277.00 0.775 193.74 2278.00 0.774 193.80 2279.00 0.773 193.87 2280.00 0.772 193.93 2281.00 0.771 194.00 2282.00 0.770 194.06 2283.00 0.769 194.12 2284.00 0.768 194.19 2285.00 0.767 194.25 2286.00 0.766 194.32 2287.00 0.765 194.38 2288.00 0.763 194.45 2289.00 0.762 194.52 2290.00 0.761 194.58 2291.00 0.759 194.65 2292.00 0.758 194.71 2293.00 0.756 194.78 2294.00 0.755 194.85 2295.00 0.754 194.92 2296.00 0.752 194.98 2297.00 0.751 195.05 2298.00 0.749 195.12 2299.00 0.747 195.19 2300.00 0.746 195.26 2301.00 0.744 195.32 2302.00 0.742 195.39 2303.00 0.741 195.46 2304.00 0.739 195.53 2305.00 0.737 195.60 2306.00 0.736 195.67 2307.00 0.734 195.74 2308.00 0.732 195.82 2309.00 0.730 195.89 2310.00 0.728 195.96 2311.00 0.726 196.03 2312.00 0.724 196.10 2313.00 0.722 196.18 2314.00 0.721 196.25 2315.00 0.719 196.32 2316.00 0.717 196.40 2317.00 0.715 196.47 2318.00 0.713 196.55 2319.00 0.710 196.62 2320.00 0.708 196.70 2321.00 0.706 196.78 2322.00 0.704 196.85 2323.00 0.702 196.93 2324.00 0.700 197.01 2325.00 0.698 197.09 2326.00 0.696 197.17 2327.00 0.693 197.24 2328.00 0.691 197.32 2329.00 0.689 197.40 2330.00 0.687 197.49 2331.00 0.684 197.57 2332.00 0.682 197.65 2333.00 0.680 197.73 2334.00 0.677 197.81 2335.00 0.675 197.90 2336.00 0.673 197.98 2337.00 0.670 198.07 2338.00 0.668 198.15 2339.00 0.666 198.24 2340.00 0.663 198.32 2341.00 0.661 198.41 2342.00 0.658 198.50 2343.00 0.656 198.59 2344.00 0.653 198.68 2345.00 0.651 198.77 2346.00 0.648 198.86 2347.00 0.646 198.95 2348.00 0.643 199.04 2349.00 0.641 199.13 2350.00 0.638 199.23 2351.00 0.636 199.32 2352.00 0.633 199.42 2353.00 0.631 199.51 2354.00 0.628 199.61 2355.00 0.625 199.71 2356.00 0.623 199.80 2357.00 0.620 199.90 2358.00 0.617 200.00 2359.00 0.615 200.10 2360.00 0.612 200.21 2361.00 0.609 200.31 2362.00 0.607 200.41 2363.00 0.604 200.52 2364.00 0.601 200.62 2365.00 0.599 200.73 2366.00 0.596 200.84 2367.00 0.593 200.94 2368.00 0.590 201.05 2369.00 0.588 201.16 2370.00 0.585 201.27 2371.00 0.582 201.39 2372.00 0.579 201.50 2373.00 0.576 201.61 2374.00 0.574 201.73
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:19:32 |