| 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: | 1778.845 | Year |
| End-Year: | 2271.155 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU720 |
||
| 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 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Mut2010e | 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 0.590 111.05 -------------------------- 1778.85 0.627 223.74 1779.85 0.625 224.27 1780.85 0.623 224.80 1781.85 0.622 225.34 1782.85 0.620 225.88 1783.85 0.618 226.42 1784.85 0.616 226.97 1785.85 0.614 227.52 1786.85 0.612 228.07 1787.85 0.610 228.62 1788.85 0.608 229.18 1789.85 0.606 229.75 1790.85 0.604 230.31 1791.85 0.602 230.88 1792.85 0.600 231.46 1793.85 0.598 232.04 1794.85 0.596 232.62 1795.85 0.593 233.21 1796.85 0.591 233.80 1797.85 0.589 234.40 1798.85 0.587 235.00 1799.85 0.585 235.60 1800.85 0.582 236.21 1801.85 0.580 236.83 1802.85 0.578 237.44 1803.85 0.575 238.07 1804.85 0.573 238.70 1805.85 0.571 239.33 1806.85 0.568 239.97 1807.85 0.566 240.62 1808.85 0.563 241.27 1809.85 0.561 241.92 1810.85 0.559 242.59 1811.85 0.556 243.25 1812.85 0.554 243.93 1813.85 0.551 244.61 1814.85 0.549 245.30 1815.85 0.546 245.99 1816.85 0.543 246.69 1817.85 0.541 247.39 1818.85 0.538 248.11 1819.85 0.535 248.83 1820.85 0.533 249.56 1821.85 0.530 250.29 1822.85 0.527 251.03 1823.85 0.525 251.78 1824.85 0.522 252.54 1825.85 0.519 253.30 1826.85 0.517 254.08 1827.85 0.514 254.86 1828.85 0.511 255.65 1829.85 0.508 256.45 1830.85 0.505 257.26 1831.85 0.503 258.08 1832.85 0.500 258.90 1833.85 0.497 259.74 1834.85 0.494 260.58 1835.85 0.491 261.44 1836.85 0.488 262.30 1837.85 0.485 263.18 1838.85 0.483 264.06 1839.85 0.480 264.96 1840.85 0.477 265.87 1841.85 0.474 266.79 1842.85 0.471 267.72 1843.85 0.468 268.66 1844.85 0.465 269.61 1845.85 0.462 270.58 1846.85 0.459 271.55 1847.85 0.457 272.54 1848.85 0.454 273.54 1849.85 0.451 274.56 1850.85 0.448 275.59 1851.85 0.445 276.63 1852.85 0.442 277.68 1853.85 0.439 278.75 1854.85 0.437 279.83 1855.85 0.434 280.93 1856.85 0.431 282.04 1857.85 0.428 283.16 1858.85 0.426 284.30 1859.85 0.423 285.45 1860.85 0.420 286.62 1861.85 0.418 287.80 1862.85 0.415 289.00 1863.85 0.412 290.22 1864.85 0.410 291.44 1865.85 0.407 292.69 1866.85 0.405 293.95 1867.85 0.402 295.22 1868.85 0.400 296.51 1869.85 0.398 297.82 1870.85 0.395 299.14 1871.85 0.393 300.47 1872.85 0.391 301.82 1873.85 0.389 303.19 1874.85 0.387 304.57 1875.85 0.385 305.96 1876.85 0.383 307.37 1877.85 0.381 308.79 1878.85 0.379 310.23 1879.85 0.377 311.68 1880.85 0.376 313.14 1881.85 0.374 314.62 1882.85 0.373 316.11 1883.85 0.371 317.61 1884.85 0.370 319.12 1885.85 0.369 320.64 1886.85 0.368 322.17 1887.85 0.366 323.71 1888.85 0.365 325.26 1889.85 0.365 326.82 1890.85 0.364 328.39 1891.85 0.363 329.96 1892.85 0.362 331.54 1893.85 0.362 333.12 1894.85 0.361 334.71 1895.85 0.361 336.30 1896.85 0.361 337.89 1897.85 0.361 339.49 1898.85 0.361 341.08 1899.85 0.361 342.68 1900.85 0.361 344.27 1901.85 0.361 345.87 1902.85 0.361 347.46 1903.85 0.362 349.05 1904.85 0.362 350.63 1905.85 0.363 352.22 1906.85 0.363 353.79 1907.85 0.364 355.36 1908.85 0.365 356.92 1909.85 0.366 358.48 1910.85 0.367 0.02 1911.85 0.368 1.56 1912.85 0.369 3.09 1913.85 0.370 4.61 1914.85 0.371 6.12 1915.85 0.373 7.62 1916.85 0.374 9.11 1917.85 0.376 10.59 1918.85 0.377 12.05 1919.85 0.379 13.51 1920.85 0.380 14.95 1921.85 0.382 16.38 1922.85 0.384 17.79 1923.85 0.385 19.20 1924.85 0.387 20.59 1925.85 0.389 21.96 1926.85 0.391 23.33 1927.85 0.393 24.68 1928.85 0.395 26.02 1929.85 0.397 27.34 1930.85 0.399 28.65 1931.85 0.401 29.95 1932.85 0.403 31.23 1933.85 0.405 32.50 1934.85 0.407 33.76 1935.85 0.410 35.00 1936.85 0.412 36.23 1937.85 0.414 37.45 1938.85 0.416 38.65 1939.85 0.418 39.84 1940.85 0.421 41.02 1941.85 0.423 42.19 1942.85 0.425 43.34 1943.85 0.427 44.49 1944.85 0.430 45.62 1945.85 0.432 46.73 1946.85 0.434 47.84 1947.85 0.436 48.94 1948.85 0.439 50.02 1949.85 0.441 51.09 1950.85 0.443 52.15 1951.85 0.446 53.20 1952.85 0.448 54.24 1953.85 0.450 55.27 1954.85 0.452 56.29 1955.85 0.455 57.30 1956.85 0.457 58.30 1957.85 0.459 59.29 1958.85 0.461 60.27 1959.85 0.464 61.24 1960.85 0.466 62.20 1961.85 0.468 63.15 1962.85 0.470 64.09 1963.85 0.473 65.03 1964.85 0.475 65.95 1965.85 0.477 66.87 1966.85 0.479 67.77 1967.85 0.481 68.67 1968.85 0.484 69.57 1969.85 0.486 70.45 1970.85 0.488 71.33 1971.85 0.490 72.19 1972.85 0.492 73.05 1973.85 0.494 73.91 1974.85 0.496 74.75 1975.85 0.498 75.59 1976.85 0.501 76.42 1977.85 0.503 77.25 1978.85 0.505 78.07 1979.85 0.507 78.88 1980.85 0.509 79.68 1981.85 0.511 80.48 1982.85 0.513 81.28 1983.85 0.515 82.06 1984.85 0.517 82.84 1985.85 0.519 83.62 1986.85 0.521 84.38 1987.85 0.523 85.15 1988.85 0.525 85.90 1989.85 0.527 86.66 1990.85 0.528 87.40 1991.85 0.530 88.14 1992.85 0.532 88.88 1993.85 0.534 89.61 1994.85 0.536 90.33 1995.85 0.538 91.05 1996.85 0.540 91.77 1997.85 0.542 92.48 1998.85 0.543 93.18 1999.85 0.545 93.88 2000.85 0.547 94.58 2001.85 0.549 95.27 2002.85 0.551 95.95 2003.85 0.552 96.64 2004.85 0.554 97.31 2005.85 0.556 97.99 2006.85 0.558 98.66 2007.85 0.559 99.32 2008.85 0.561 99.98 2009.85 0.563 100.64 2010.85 0.565 101.29 2011.85 0.566 101.94 2012.85 0.568 102.59 2013.85 0.570 103.23 2014.85 0.571 103.87 2015.85 0.573 104.50 2016.85 0.574 105.13 2017.85 0.576 105.76 2018.85 0.578 106.38 2019.85 0.579 107.00 2020.85 0.581 107.62 2021.85 0.583 108.23 2022.85 0.584 108.84 2023.85 0.586 109.45 2024.85 0.587 110.05 2025.85 0.589 110.65 2026.85 0.590 111.25 2027.85 0.592 111.85 2028.85 0.593 112.44 2029.85 0.595 113.02 2030.85 0.596 113.61 2031.85 0.598 114.19 2032.85 0.599 114.77 2033.85 0.601 115.35 2034.85 0.602 115.92 2035.85 0.604 116.49 2036.85 0.605 117.06 2037.85 0.607 117.62 2038.85 0.608 118.19 2039.85 0.609 118.75 2040.85 0.611 119.30 2041.85 0.612 119.86 2042.85 0.614 120.41 2043.85 0.615 120.96 2044.85 0.616 121.51 2045.85 0.618 122.06 2046.85 0.619 122.60 2047.85 0.620 123.14 2048.85 0.622 123.68 2049.85 0.623 124.21 2050.85 0.624 124.75 2051.85 0.626 125.28 2052.85 0.627 125.81 2053.85 0.628 126.33 2054.85 0.629 126.86 2055.85 0.631 127.38 2056.85 0.632 127.90 2057.85 0.633 128.42 2058.85 0.634 128.94 2059.85 0.636 129.45 2060.85 0.637 129.96 2061.85 0.638 130.47 2062.85 0.639 130.98 2063.85 0.640 131.49 2064.85 0.642 132.00 2065.85 0.643 132.50 2066.85 0.644 133.00 2067.85 0.645 133.50 2068.85 0.646 134.00 2069.85 0.647 134.49 2070.85 0.649 134.99 2071.85 0.650 135.48 2072.85 0.651 135.97 2073.85 0.652 136.46 2074.85 0.653 136.95 2075.85 0.654 137.43 2076.85 0.655 137.92 2077.85 0.656 138.40 2078.85 0.657 138.88 2079.85 0.658 139.36 2080.85 0.659 139.84 2081.85 0.660 140.32 2082.85 0.661 140.79 2083.85 0.662 141.27 2084.85 0.663 141.74 2085.85 0.664 142.21 2086.85 0.665 142.68 2087.85 0.666 143.15 2088.85 0.667 143.61 2089.85 0.668 144.08 2090.85 0.669 144.54 2091.85 0.670 145.01 2092.85 0.671 145.47 2093.85 0.672 145.93 2094.85 0.673 146.39 2095.85 0.674 146.85 2096.85 0.674 147.30 2097.85 0.675 147.76 2098.85 0.676 148.21 2099.85 0.677 148.67 2100.85 0.678 149.12 2101.85 0.679 149.57 2102.85 0.679 150.02 2103.85 0.680 150.47 2104.85 0.681 150.92 2105.85 0.682 151.36 2106.85 0.683 151.81 2107.85 0.683 152.25 2108.85 0.684 152.70 2109.85 0.685 153.14 2110.85 0.686 153.58 2111.85 0.686 154.02 2112.85 0.687 154.46 2113.85 0.688 154.90 2114.85 0.688 155.34 2115.85 0.689 155.78 2116.85 0.690 156.22 2117.85 0.690 156.65 2118.85 0.691 157.09 2119.85 0.692 157.52 2120.85 0.692 157.95 2121.85 0.693 158.39 2122.85 0.694 158.82 2123.85 0.694 159.25 2124.85 0.695 159.68 2125.85 0.695 160.11 2126.85 0.696 160.54 2127.85 0.697 160.97 2128.85 0.697 161.39 2129.85 0.698 161.82 2130.85 0.698 162.25 2131.85 0.699 162.67 2132.85 0.699 163.10 2133.85 0.700 163.52 2134.85 0.700 163.94 2135.85 0.701 164.37 2136.85 0.701 164.79 2137.85 0.701 165.21 2138.85 0.702 165.63 2139.85 0.702 166.05 2140.85 0.703 166.48 2141.85 0.703 166.90 2142.85 0.703 167.32 2143.85 0.704 167.73 2144.85 0.704 168.15 2145.85 0.704 168.57 2146.85 0.705 168.99 2147.85 0.705 169.41 2148.85 0.705 169.82 2149.85 0.706 170.24 2150.85 0.706 170.66 2151.85 0.706 171.07 2152.85 0.707 171.49 2153.85 0.707 171.91 2154.85 0.707 172.32 2155.85 0.707 172.74 2156.85 0.707 173.15 2157.85 0.708 173.56 2158.85 0.708 173.98 2159.85 0.708 174.39 2160.85 0.708 174.81 2161.85 0.708 175.22 2162.85 0.708 175.63 2163.85 0.708 176.05 2164.85 0.709 176.46 2165.85 0.709 176.87 2166.85 0.709 177.29 2167.85 0.709 177.70 2168.85 0.709 178.11 2169.85 0.709 178.53 2170.85 0.709 178.94 2171.85 0.709 179.35 2172.85 0.709 179.77 2173.85 0.709 180.18 2174.85 0.709 180.59 2175.85 0.709 181.01 2176.85 0.709 181.42 2177.85 0.709 181.83 2178.85 0.709 182.24 2179.85 0.708 182.66 2180.85 0.708 183.07 2181.85 0.708 183.49 2182.85 0.708 183.90 2183.85 0.708 184.31 2184.85 0.708 184.73 2185.85 0.707 185.14 2186.85 0.707 185.56 2187.85 0.707 185.97 2188.85 0.707 186.39 2189.85 0.707 186.80 2190.85 0.706 187.22 2191.85 0.706 187.63 2192.85 0.706 188.05 2193.85 0.705 188.47 2194.85 0.705 188.89 2195.85 0.705 189.30 2196.85 0.704 189.72 2197.85 0.704 190.14 2198.85 0.704 190.56 2199.85 0.703 190.98 2200.85 0.703 191.40 2201.85 0.702 191.82 2202.85 0.702 192.24 2203.85 0.701 192.66 2204.85 0.701 193.08 2205.85 0.700 193.51 2206.85 0.700 193.93 2207.85 0.699 194.35 2208.85 0.699 194.78 2209.85 0.698 195.20 2210.85 0.697 195.63 2211.85 0.697 196.06 2212.85 0.696 196.49 2213.85 0.696 196.91 2214.85 0.695 197.34 2215.85 0.694 197.77 2216.85 0.694 198.20 2217.85 0.693 198.64 2218.85 0.692 199.07 2219.85 0.691 199.50 2220.85 0.691 199.94 2221.85 0.690 200.37 2222.85 0.689 200.81 2223.85 0.688 201.25 2224.85 0.687 201.69 2225.85 0.686 202.13 2226.85 0.686 202.57 2227.85 0.685 203.01 2228.85 0.684 203.45 2229.85 0.683 203.90 2230.85 0.682 204.34 2231.85 0.681 204.79 2232.85 0.680 205.24 2233.85 0.679 205.69 2234.85 0.678 206.14 2235.85 0.677 206.59 2236.85 0.676 207.04 2237.85 0.675 207.50 2238.85 0.674 207.95 2239.85 0.672 208.41 2240.85 0.671 208.87 2241.85 0.670 209.33 2242.85 0.669 209.80 2243.85 0.668 210.26 2244.85 0.667 210.73 2245.85 0.665 211.20 2246.85 0.664 211.67 2247.85 0.663 212.14 2248.85 0.661 212.61 2249.85 0.660 213.09 2250.85 0.659 213.56 2251.85 0.657 214.04 2252.85 0.656 214.52 2253.85 0.655 215.01 2254.85 0.653 215.49 2255.85 0.652 215.98 2256.85 0.650 216.47 2257.85 0.649 216.96 2258.85 0.647 217.45 2259.85 0.646 217.95 2260.85 0.644 218.45 2261.85 0.643 218.95 2262.85 0.641 219.45 2263.85 0.639 219.96 2264.85 0.638 220.47 2265.85 0.636 220.98 2266.85 0.634 221.49 2267.85 0.633 222.01 2268.85 0.631 222.53 2269.85 0.629 223.05 2270.85 0.628 223.58
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:51:49 |