| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 19:42:33 |
| WDS: | BU720 | WDS ID/Discoverer |
| P: | 492.310 | Orbital period (years) |
| a: | 0.568 | Semi-major axis (arcseconds) |
| i: | 21.7 | Inclination (degrees) |
| Ω: | 56.2 | Longitude of ascending node (degrees) |
| T: | 1904.920 | Epoch of periastron passage (year) |
| e: | 0.322 | Eccentricity |
| ω: | 293.0 | Longitude of periastron (degrees) |
| Start-Year: | 1779.0 | Year |
| End-Year: | 2271.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 233357.19+311931.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23340+3120 | WDS designation |
| Discoverer Code: | BU720 | Discover designation and components |
| ADS number: | 16836 | Aitken Double Star catalog |
| HD number: | 221673 | HD catalog number |
| Hipparcos number: | 116310 | Hipparcos catalog number |
| V1: | 5.67 | Magnitude of the primary |
| V2: | 6.11 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2008 | 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 0.587 110.1 ------------------------- 1779.0 0.627 223.8 1780.0 0.625 224.4 1781.0 0.623 224.9 1782.0 0.621 225.4 1783.0 0.619 226.0 1784.0 0.617 226.5 1785.0 0.616 227.1 1786.0 0.614 227.6 1787.0 0.612 228.2 1788.0 0.610 228.7 1789.0 0.608 229.3 1790.0 0.606 229.8 1791.0 0.604 230.4 1792.0 0.602 231.0 1793.0 0.599 231.5 1794.0 0.597 232.1 1795.0 0.595 232.7 1796.0 0.593 233.3 1797.0 0.591 233.9 1798.0 0.589 234.5 1799.0 0.586 235.1 1800.0 0.584 235.7 1801.0 0.582 236.3 1802.0 0.580 236.9 1803.0 0.577 237.5 1804.0 0.575 238.2 1805.0 0.573 238.8 1806.0 0.570 239.4 1807.0 0.568 240.1 1808.0 0.566 240.7 1809.0 0.563 241.4 1810.0 0.561 242.0 1811.0 0.558 242.7 1812.0 0.556 243.4 1813.0 0.553 244.0 1814.0 0.551 244.7 1815.0 0.548 245.4 1816.0 0.546 246.1 1817.0 0.543 246.8 1818.0 0.540 247.5 1819.0 0.538 248.2 1820.0 0.535 248.9 1821.0 0.532 249.7 1822.0 0.530 250.4 1823.0 0.527 251.1 1824.0 0.524 251.9 1825.0 0.522 252.7 1826.0 0.519 253.4 1827.0 0.516 254.2 1828.0 0.513 255.0 1829.0 0.511 255.8 1830.0 0.508 256.6 1831.0 0.505 257.4 1832.0 0.502 258.2 1833.0 0.499 259.0 1834.0 0.496 259.9 1835.0 0.494 260.7 1836.0 0.491 261.6 1837.0 0.488 262.4 1838.0 0.485 263.3 1839.0 0.482 264.2 1840.0 0.479 265.1 1841.0 0.476 266.0 1842.0 0.473 266.9 1843.0 0.471 267.9 1844.0 0.468 268.8 1845.0 0.465 269.8 1846.0 0.462 270.7 1847.0 0.459 271.7 1848.0 0.456 272.7 1849.0 0.453 273.7 1850.0 0.450 274.7 1851.0 0.447 275.7 1852.0 0.445 276.8 1853.0 0.442 277.8 1854.0 0.439 278.9 1855.0 0.436 280.0 1856.0 0.433 281.1 1857.0 0.431 282.2 1858.0 0.428 283.3 1859.0 0.425 284.5 1860.0 0.422 285.6 1861.0 0.420 286.8 1862.0 0.417 288.0 1863.0 0.414 289.2 1864.0 0.412 290.4 1865.0 0.409 291.6 1866.0 0.407 292.9 1867.0 0.404 294.1 1868.0 0.402 295.4 1869.0 0.400 296.7 1870.0 0.397 298.0 1871.0 0.395 299.3 1872.0 0.393 300.7 1873.0 0.391 302.0 1874.0 0.388 303.4 1875.0 0.386 304.8 1876.0 0.384 306.2 1877.0 0.383 307.6 1878.0 0.381 309.0 1879.0 0.379 310.5 1880.0 0.377 311.9 1881.0 0.376 313.4 1882.0 0.374 314.9 1883.0 0.372 316.3 1884.0 0.371 317.8 1885.0 0.370 319.4 1886.0 0.368 320.9 1887.0 0.367 322.4 1888.0 0.366 324.0 1889.0 0.365 325.5 1890.0 0.364 327.1 1891.0 0.364 328.6 1892.0 0.363 330.2 1893.0 0.362 331.8 1894.0 0.362 333.4 1895.0 0.361 335.0 1896.0 0.361 336.5 1897.0 0.361 338.1 1898.0 0.361 339.7 1899.0 0.361 341.3 1900.0 0.361 342.9 1901.0 0.361 344.5 1902.0 0.361 346.1 1903.0 0.361 347.7 1904.0 0.362 349.3 1905.0 0.362 350.9 1906.0 0.363 352.5 1907.0 0.363 354.0 1908.0 0.364 355.6 1909.0 0.365 357.2 1910.0 0.366 358.7 1911.0 0.367 0.3 1912.0 0.368 1.8 1913.0 0.369 3.3 1914.0 0.370 4.8 1915.0 0.372 6.4 1916.0 0.373 7.9 1917.0 0.374 9.3 1918.0 0.376 10.8 1919.0 0.377 12.3 1920.0 0.379 13.7 1921.0 0.381 15.2 1922.0 0.382 16.6 1923.0 0.384 18.0 1924.0 0.386 19.4 1925.0 0.388 20.8 1926.0 0.389 22.2 1927.0 0.391 23.5 1928.0 0.393 24.9 1929.0 0.395 26.2 1930.0 0.397 27.5 1931.0 0.399 28.9 1932.0 0.401 30.1 1933.0 0.404 31.4 1934.0 0.406 32.7 1935.0 0.408 33.9 1936.0 0.410 35.2 1937.0 0.412 36.4 1938.0 0.414 37.6 1939.0 0.417 38.8 1940.0 0.419 40.0 1941.0 0.421 41.2 1942.0 0.423 42.4 1943.0 0.425 43.5 1944.0 0.428 44.7 1945.0 0.430 45.8 1946.0 0.432 46.9 1947.0 0.435 48.0 1948.0 0.437 49.1 1949.0 0.439 50.2 1950.0 0.441 51.3 1951.0 0.444 52.3 1952.0 0.446 53.4 1953.0 0.448 54.4 1954.0 0.450 55.4 1955.0 0.453 56.4 1956.0 0.455 57.5 1957.0 0.457 58.5 1958.0 0.460 59.4 1959.0 0.462 60.4 1960.0 0.464 61.4 1961.0 0.466 62.3 1962.0 0.469 63.3 1963.0 0.471 64.2 1964.0 0.473 65.2 1965.0 0.475 66.1 1966.0 0.477 67.0 1967.0 0.480 67.9 1968.0 0.482 68.8 1969.0 0.484 69.7 1970.0 0.486 70.6 1971.0 0.488 71.5 1972.0 0.490 72.3 1973.0 0.492 73.2 1974.0 0.495 74.0 1975.0 0.497 74.9 1976.0 0.499 75.7 1977.0 0.501 76.6 1978.0 0.503 77.4 1979.0 0.505 78.2 1980.0 0.507 79.0 1981.0 0.509 79.8 1982.0 0.511 80.6 1983.0 0.513 81.4 1984.0 0.515 82.2 1985.0 0.517 83.0 1986.0 0.519 83.7 1987.0 0.521 84.5 1988.0 0.523 85.3 1989.0 0.525 86.0 1990.0 0.527 86.8 1991.0 0.529 87.5 1992.0 0.531 88.3 1993.0 0.533 89.0 1994.0 0.534 89.7 1995.0 0.536 90.4 1996.0 0.538 91.2 1997.0 0.540 91.9 1998.0 0.542 92.6 1999.0 0.544 93.3 2000.0 0.546 94.0 2001.0 0.547 94.7 2002.0 0.549 95.4 2003.0 0.551 96.1 2004.0 0.553 96.7 2005.0 0.554 97.4 2006.0 0.556 98.1 2007.0 0.558 98.8 2008.0 0.560 99.4 2009.0 0.561 100.1 2010.0 0.563 100.7 2011.0 0.565 101.4 2012.0 0.566 102.0 2013.0 0.568 102.7 2014.0 0.570 103.3 2015.0 0.571 104.0 2016.0 0.573 104.6 2017.0 0.575 105.2 2018.0 0.576 105.9 2019.0 0.578 106.5 2020.0 0.580 107.1 2021.0 0.581 107.7 2022.0 0.583 108.3 2023.0 0.584 108.9 2024.0 0.586 109.5 2025.0 0.587 110.1 2026.0 0.589 110.7 2027.0 0.591 111.3 2028.0 0.592 111.9 2029.0 0.594 112.5 2030.0 0.595 113.1 2031.0 0.597 113.7 2032.0 0.598 114.3 2033.0 0.600 114.9 2034.0 0.601 115.4 2035.0 0.602 116.0 2036.0 0.604 116.6 2037.0 0.605 117.1 2038.0 0.607 117.7 2039.0 0.608 118.3 2040.0 0.610 118.8 2041.0 0.611 119.4 2042.0 0.612 119.9 2043.0 0.614 120.5 2044.0 0.615 121.0 2045.0 0.617 121.6 2046.0 0.618 122.1 2047.0 0.619 122.7 2048.0 0.621 123.2 2049.0 0.622 123.8 2050.0 0.623 124.3 2051.0 0.624 124.8 2052.0 0.626 125.4 2053.0 0.627 125.9 2054.0 0.628 126.4 2055.0 0.630 126.9 2056.0 0.631 127.5 2057.0 0.632 128.0 2058.0 0.633 128.5 2059.0 0.635 129.0 2060.0 0.636 129.5 2061.0 0.637 130.0 2062.0 0.638 130.6 2063.0 0.639 131.1 2064.0 0.641 131.6 2065.0 0.642 132.1 2066.0 0.643 132.6 2067.0 0.644 133.1 2068.0 0.645 133.6 2069.0 0.646 134.1 2070.0 0.648 134.6 2071.0 0.649 135.1 2072.0 0.650 135.6 2073.0 0.651 136.0 2074.0 0.652 136.5 2075.0 0.653 137.0 2076.0 0.654 137.5 2077.0 0.655 138.0 2078.0 0.656 138.5 2079.0 0.657 139.0 2080.0 0.658 139.4 2081.0 0.659 139.9 2082.0 0.660 140.4 2083.0 0.661 140.9 2084.0 0.662 141.3 2085.0 0.663 141.8 2086.0 0.664 142.3 2087.0 0.665 142.8 2088.0 0.666 143.2 2089.0 0.667 143.7 2090.0 0.668 144.2 2091.0 0.669 144.6 2092.0 0.670 145.1 2093.0 0.671 145.5 2094.0 0.672 146.0 2095.0 0.673 146.5 2096.0 0.674 146.9 2097.0 0.675 147.4 2098.0 0.675 147.8 2099.0 0.676 148.3 2100.0 0.677 148.7 2101.0 0.678 149.2 2102.0 0.679 149.6 2103.0 0.680 150.1 2104.0 0.680 150.5 2105.0 0.681 151.0 2106.0 0.682 151.4 2107.0 0.683 151.9 2108.0 0.684 152.3 2109.0 0.684 152.8 2110.0 0.685 153.2 2111.0 0.686 153.7 2112.0 0.686 154.1 2113.0 0.687 154.5 2114.0 0.688 155.0 2115.0 0.689 155.4 2116.0 0.689 155.8 2117.0 0.690 156.3 2118.0 0.691 156.7 2119.0 0.691 157.2 2120.0 0.692 157.6 2121.0 0.693 158.0 2122.0 0.693 158.5 2123.0 0.694 158.9 2124.0 0.694 159.3 2125.0 0.695 159.7 2126.0 0.695 160.2 2127.0 0.696 160.6 2128.0 0.697 161.0 2129.0 0.697 161.5 2130.0 0.698 161.9 2131.0 0.698 162.3 2132.0 0.699 162.7 2133.0 0.699 163.2 2134.0 0.700 163.6 2135.0 0.700 164.0 2136.0 0.701 164.4 2137.0 0.701 164.9 2138.0 0.701 165.3 2139.0 0.702 165.7 2140.0 0.702 166.1 2141.0 0.703 166.5 2142.0 0.703 167.0 2143.0 0.703 167.4 2144.0 0.704 167.8 2145.0 0.704 168.2 2146.0 0.705 168.6 2147.0 0.705 169.1 2148.0 0.705 169.5 2149.0 0.705 169.9 2150.0 0.706 170.3 2151.0 0.706 170.7 2152.0 0.706 171.1 2153.0 0.707 171.6 2154.0 0.707 172.0 2155.0 0.707 172.4 2156.0 0.707 172.8 2157.0 0.707 173.2 2158.0 0.708 173.6 2159.0 0.708 174.0 2160.0 0.708 174.5 2161.0 0.708 174.9 2162.0 0.708 175.3 2163.0 0.708 175.7 2164.0 0.709 176.1 2165.0 0.709 176.5 2166.0 0.709 176.9 2167.0 0.709 177.4 2168.0 0.709 177.8 2169.0 0.709 178.2 2170.0 0.709 178.6 2171.0 0.709 179.0 2172.0 0.709 179.4 2173.0 0.709 179.8 2174.0 0.709 180.2 2175.0 0.709 180.7 2176.0 0.709 181.1 2177.0 0.709 181.5 2178.0 0.709 181.9 2179.0 0.709 182.3 2180.0 0.708 182.7 2181.0 0.708 183.1 2182.0 0.708 183.5 2183.0 0.708 184.0 2184.0 0.708 184.4 2185.0 0.708 184.8 2186.0 0.707 185.2 2187.0 0.707 185.6 2188.0 0.707 186.0 2189.0 0.707 186.5 2190.0 0.707 186.9 2191.0 0.706 187.3 2192.0 0.706 187.7 2193.0 0.706 188.1 2194.0 0.705 188.5 2195.0 0.705 189.0 2196.0 0.705 189.4 2197.0 0.704 189.8 2198.0 0.704 190.2 2199.0 0.703 190.6 2200.0 0.703 191.0 2201.0 0.703 191.5 2202.0 0.702 191.9 2203.0 0.702 192.3 2204.0 0.701 192.7 2205.0 0.701 193.1 2206.0 0.700 193.6 2207.0 0.700 194.0 2208.0 0.699 194.4 2209.0 0.699 194.8 2210.0 0.698 195.3 2211.0 0.697 195.7 2212.0 0.697 196.1 2213.0 0.696 196.6 2214.0 0.696 197.0 2215.0 0.695 197.4 2216.0 0.694 197.8 2217.0 0.693 198.3 2218.0 0.693 198.7 2219.0 0.692 199.1 2220.0 0.691 199.6 2221.0 0.690 200.0 2222.0 0.690 200.4 2223.0 0.689 200.9 2224.0 0.688 201.3 2225.0 0.687 201.8 2226.0 0.686 202.2 2227.0 0.685 202.6 2228.0 0.685 203.1 2229.0 0.684 203.5 2230.0 0.683 204.0 2231.0 0.682 204.4 2232.0 0.681 204.9 2233.0 0.680 205.3 2234.0 0.679 205.8 2235.0 0.678 206.2 2236.0 0.677 206.7 2237.0 0.676 207.1 2238.0 0.675 207.6 2239.0 0.673 208.0 2240.0 0.672 208.5 2241.0 0.671 208.9 2242.0 0.670 209.4 2243.0 0.669 209.9 2244.0 0.668 210.3 2245.0 0.666 210.8 2246.0 0.665 211.3 2247.0 0.664 211.7 2248.0 0.663 212.2 2249.0 0.661 212.7 2250.0 0.660 213.2 2251.0 0.659 213.6 2252.0 0.657 214.1 2253.0 0.656 214.6 2254.0 0.654 215.1 2255.0 0.653 215.6 2256.0 0.652 216.1 2257.0 0.650 216.5 2258.0 0.649 217.0 2259.0 0.647 217.5 2260.0 0.646 218.0 2261.0 0.644 218.5 2262.0 0.642 219.0 2263.0 0.641 219.5 2264.0 0.639 220.0 2265.0 0.638 220.5 2266.0 0.636 221.1 2267.0 0.634 221.6 2268.0 0.632 222.1 2269.0 0.631 222.6 2270.0 0.629 223.1