| WDS: | A643AB | WDS ID/Discoverer |
| P: | 508.600 | Orbital period (years) |
| a: | 0.386 | Semi-major axis (arcseconds) |
| i: | 132.6 | Inclination (degrees) |
| Ω: | 220.7 | Longitude of ascending node (degrees) |
| T: | 1930.300 | Epoch of periastron passage (year) |
| e: | 0.38 | Eccentricity |
| ω: | 347.8 | Longitude of periastron (degrees) |
| Start-Year: | 1770.7 | Year |
| End-Year: | 2279.3 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A643AB |
||
| Position: | 233920.80+454311.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 23393+4543 | WDS designation |
| Discoverer Code: | A643AB | Discover designation and components |
| ADS number: | 16904 | Aitken Double Star catalog |
| HD number: | 222326 | HD catalog number |
| Hipparcos number: | 116726 | Hipparcos catalog number |
| V1: | 8.45 | Magnitude of the primary |
| V2: | 8.49 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2011 | 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: | 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 0.266 116.09 -------------------------- 1770.70 0.460 24.87 1771.70 0.458 24.56 1772.70 0.456 24.24 1773.70 0.454 23.92 1774.70 0.453 23.60 1775.70 0.451 23.28 1776.70 0.449 22.95 1777.70 0.447 22.62 1778.70 0.445 22.29 1779.70 0.443 21.96 1780.70 0.441 21.62 1781.70 0.439 21.28 1782.70 0.437 20.93 1783.70 0.435 20.59 1784.70 0.433 20.23 1785.70 0.431 19.88 1786.70 0.428 19.52 1787.70 0.426 19.16 1788.70 0.424 18.80 1789.70 0.422 18.43 1790.70 0.420 18.05 1791.70 0.417 17.68 1792.70 0.415 17.29 1793.70 0.413 16.91 1794.70 0.411 16.52 1795.70 0.408 16.13 1796.70 0.406 15.73 1797.70 0.403 15.32 1798.70 0.401 14.92 1799.70 0.399 14.50 1800.70 0.396 14.09 1801.70 0.394 13.66 1802.70 0.391 13.23 1803.70 0.389 12.80 1804.70 0.386 12.36 1805.70 0.384 11.91 1806.70 0.381 11.46 1807.70 0.379 11.01 1808.70 0.376 10.54 1809.70 0.374 10.07 1810.70 0.371 9.60 1811.70 0.368 9.11 1812.70 0.366 8.62 1813.70 0.363 8.13 1814.70 0.360 7.62 1815.70 0.358 7.11 1816.70 0.355 6.59 1817.70 0.352 6.06 1818.70 0.350 5.53 1819.70 0.347 4.98 1820.70 0.344 4.43 1821.70 0.341 3.86 1822.70 0.339 3.29 1823.70 0.336 2.71 1824.70 0.333 2.12 1825.70 0.330 1.52 1826.70 0.327 0.91 1827.70 0.325 0.29 1828.70 0.322 359.66 1829.70 0.319 359.01 1830.70 0.316 358.36 1831.70 0.313 357.69 1832.70 0.310 357.01 1833.70 0.308 356.32 1834.70 0.305 355.61 1835.70 0.302 354.90 1836.70 0.299 354.17 1837.70 0.296 353.42 1838.70 0.293 352.66 1839.70 0.290 351.88 1840.70 0.288 351.09 1841.70 0.285 350.29 1842.70 0.282 349.47 1843.70 0.279 348.63 1844.70 0.276 347.77 1845.70 0.274 346.90 1846.70 0.271 346.01 1847.70 0.268 345.10 1848.70 0.265 344.17 1849.70 0.263 343.23 1850.70 0.260 342.26 1851.70 0.257 341.27 1852.70 0.255 340.27 1853.70 0.252 339.24 1854.70 0.250 338.19 1855.70 0.247 337.12 1856.70 0.245 336.02 1857.70 0.242 334.91 1858.70 0.240 333.77 1859.70 0.237 332.61 1860.70 0.235 331.42 1861.70 0.233 330.21 1862.70 0.230 328.98 1863.70 0.228 327.73 1864.70 0.226 326.45 1865.70 0.224 325.14 1866.70 0.222 323.81 1867.70 0.220 322.46 1868.70 0.218 321.09 1869.70 0.216 319.69 1870.70 0.215 318.26 1871.70 0.213 316.82 1872.70 0.211 315.35 1873.70 0.210 313.86 1874.70 0.208 312.35 1875.70 0.207 310.82 1876.70 0.206 309.27 1877.70 0.205 307.70 1878.70 0.204 306.12 1879.70 0.203 304.51 1880.70 0.202 302.90 1881.70 0.201 301.27 1882.70 0.200 299.62 1883.70 0.200 297.97 1884.70 0.199 296.31 1885.70 0.199 294.63 1886.70 0.198 292.96 1887.70 0.198 291.27 1888.70 0.198 289.59 1889.70 0.198 287.90 1890.70 0.198 286.22 1891.70 0.198 284.53 1892.70 0.198 282.85 1893.70 0.199 281.17 1894.70 0.199 279.50 1895.70 0.199 277.84 1896.70 0.200 276.18 1897.70 0.201 274.54 1898.70 0.201 272.90 1899.70 0.202 271.28 1900.70 0.203 269.67 1901.70 0.204 268.08 1902.70 0.205 266.50 1903.70 0.206 264.93 1904.70 0.207 263.38 1905.70 0.208 261.85 1906.70 0.209 260.33 1907.70 0.210 258.83 1908.70 0.212 257.35 1909.70 0.213 255.88 1910.70 0.214 254.43 1911.70 0.215 253.00 1912.70 0.217 251.58 1913.70 0.218 250.18 1914.70 0.219 248.80 1915.70 0.220 247.43 1916.70 0.222 246.08 1917.70 0.223 244.75 1918.70 0.224 243.42 1919.70 0.225 242.12 1920.70 0.227 240.83 1921.70 0.228 239.55 1922.70 0.229 238.28 1923.70 0.230 237.03 1924.70 0.231 235.79 1925.70 0.232 234.56 1926.70 0.233 233.34 1927.70 0.234 232.13 1928.70 0.235 230.93 1929.70 0.236 229.74 1930.70 0.237 228.55 1931.70 0.237 227.38 1932.70 0.238 226.21 1933.70 0.239 225.05 1934.70 0.239 223.90 1935.70 0.240 222.75 1936.70 0.240 221.60 1937.70 0.241 220.46 1938.70 0.241 219.33 1939.70 0.242 218.20 1940.70 0.242 217.07 1941.70 0.242 215.94 1942.70 0.242 214.81 1943.70 0.242 213.69 1944.70 0.242 212.56 1945.70 0.242 211.44 1946.70 0.242 210.31 1947.70 0.242 209.19 1948.70 0.242 208.06 1949.70 0.242 206.93 1950.70 0.242 205.80 1951.70 0.241 204.67 1952.70 0.241 203.54 1953.70 0.241 202.40 1954.70 0.240 201.26 1955.70 0.240 200.11 1956.70 0.239 198.96 1957.70 0.239 197.81 1958.70 0.239 196.65 1959.70 0.238 195.49 1960.70 0.237 194.32 1961.70 0.237 193.15 1962.70 0.236 191.97 1963.70 0.236 190.78 1964.70 0.235 189.59 1965.70 0.235 188.40 1966.70 0.234 187.20 1967.70 0.234 185.99 1968.70 0.233 184.78 1969.70 0.232 183.56 1970.70 0.232 182.33 1971.70 0.231 181.10 1972.70 0.231 179.87 1973.70 0.230 178.62 1974.70 0.230 177.38 1975.70 0.229 176.13 1976.70 0.229 174.87 1977.70 0.229 173.61 1978.70 0.228 172.34 1979.70 0.228 171.07 1980.70 0.228 169.80 1981.70 0.227 168.53 1982.70 0.227 167.25 1983.70 0.227 165.97 1984.70 0.227 164.69 1985.70 0.227 163.40 1986.70 0.227 162.12 1987.70 0.227 160.83 1988.70 0.227 159.55 1989.70 0.227 158.27 1990.70 0.227 156.98 1991.70 0.227 155.70 1992.70 0.227 154.43 1993.70 0.228 153.15 1994.70 0.228 151.88 1995.70 0.229 150.61 1996.70 0.229 149.35 1997.70 0.230 148.10 1998.70 0.230 146.84 1999.70 0.231 145.60 2000.70 0.231 144.36 2001.70 0.232 143.13 2002.70 0.233 141.91 2003.70 0.234 140.70 2004.70 0.235 139.50 2005.70 0.236 138.30 2006.70 0.237 137.12 2007.70 0.238 135.94 2008.70 0.239 134.78 2009.70 0.240 133.62 2010.70 0.241 132.48 2011.70 0.242 131.35 2012.70 0.244 130.23 2013.70 0.245 129.13 2014.70 0.246 128.03 2015.70 0.248 126.95 2016.70 0.249 125.88 2017.70 0.251 124.82 2018.70 0.252 123.78 2019.70 0.254 122.75 2020.70 0.256 121.73 2021.70 0.257 120.73 2022.70 0.259 119.74 2023.70 0.261 118.76 2024.70 0.262 117.79 2025.70 0.264 116.84 2026.70 0.266 115.90 2027.70 0.268 114.97 2028.70 0.270 114.06 2029.70 0.272 113.16 2030.70 0.274 112.27 2031.70 0.276 111.39 2032.70 0.278 110.53 2033.70 0.280 109.68 2034.70 0.282 108.84 2035.70 0.284 108.02 2036.70 0.286 107.20 2037.70 0.288 106.40 2038.70 0.290 105.61 2039.70 0.292 104.83 2040.70 0.294 104.06 2041.70 0.297 103.31 2042.70 0.299 102.56 2043.70 0.301 101.83 2044.70 0.303 101.10 2045.70 0.305 100.39 2046.70 0.308 99.69 2047.70 0.310 98.99 2048.70 0.312 98.31 2049.70 0.314 97.64 2050.70 0.317 96.97 2051.70 0.319 96.32 2052.70 0.321 95.67 2053.70 0.323 95.04 2054.70 0.326 94.41 2055.70 0.328 93.79 2056.70 0.330 93.18 2057.70 0.332 92.58 2058.70 0.335 91.99 2059.70 0.337 91.40 2060.70 0.339 90.82 2061.70 0.342 90.25 2062.70 0.344 89.69 2063.70 0.346 89.14 2064.70 0.348 88.59 2065.70 0.351 88.05 2066.70 0.353 87.52 2067.70 0.355 86.99 2068.70 0.358 86.47 2069.70 0.360 85.96 2070.70 0.362 85.45 2071.70 0.364 84.95 2072.70 0.367 84.45 2073.70 0.369 83.97 2074.70 0.371 83.48 2075.70 0.373 83.01 2076.70 0.376 82.54 2077.70 0.378 82.07 2078.70 0.380 81.61 2079.70 0.382 81.15 2080.70 0.384 80.71 2081.70 0.386 80.26 2082.70 0.389 79.82 2083.70 0.391 79.39 2084.70 0.393 78.96 2085.70 0.395 78.53 2086.70 0.397 78.11 2087.70 0.399 77.69 2088.70 0.401 77.28 2089.70 0.404 76.87 2090.70 0.406 76.47 2091.70 0.408 76.07 2092.70 0.410 75.68 2093.70 0.412 75.29 2094.70 0.414 74.90 2095.70 0.416 74.51 2096.70 0.418 74.13 2097.70 0.420 73.76 2098.70 0.422 73.38 2099.70 0.424 73.01 2100.70 0.426 72.65 2101.70 0.428 72.29 2102.70 0.430 71.93 2103.70 0.431 71.57 2104.70 0.433 71.22 2105.70 0.435 70.87 2106.70 0.437 70.52 2107.70 0.439 70.18 2108.70 0.441 69.83 2109.70 0.443 69.50 2110.70 0.444 69.16 2111.70 0.446 68.83 2112.70 0.448 68.50 2113.70 0.450 68.17 2114.70 0.451 67.84 2115.70 0.453 67.52 2116.70 0.455 67.20 2117.70 0.456 66.88 2118.70 0.458 66.57 2119.70 0.460 66.25 2120.70 0.461 65.94 2121.70 0.463 65.63 2122.70 0.465 65.33 2123.70 0.466 65.02 2124.70 0.468 64.72 2125.70 0.469 64.42 2126.70 0.471 64.12 2127.70 0.472 63.82 2128.70 0.474 63.53 2129.70 0.475 63.23 2130.70 0.477 62.94 2131.70 0.478 62.65 2132.70 0.480 62.36 2133.70 0.481 62.08 2134.70 0.482 61.79 2135.70 0.484 61.51 2136.70 0.485 61.23 2137.70 0.486 60.95 2138.70 0.488 60.67 2139.70 0.489 60.39 2140.70 0.490 60.12 2141.70 0.492 59.84 2142.70 0.493 59.57 2143.70 0.494 59.30 2144.70 0.495 59.03 2145.70 0.496 58.76 2146.70 0.497 58.49 2147.70 0.499 58.23 2148.70 0.500 57.96 2149.70 0.501 57.70 2150.70 0.502 57.44 2151.70 0.503 57.18 2152.70 0.504 56.91 2153.70 0.505 56.66 2154.70 0.506 56.40 2155.70 0.507 56.14 2156.70 0.508 55.88 2157.70 0.509 55.63 2158.70 0.510 55.37 2159.70 0.511 55.12 2160.70 0.512 54.87 2161.70 0.512 54.61 2162.70 0.513 54.36 2163.70 0.514 54.11 2164.70 0.515 53.86 2165.70 0.516 53.62 2166.70 0.516 53.37 2167.70 0.517 53.12 2168.70 0.518 52.87 2169.70 0.518 52.63 2170.70 0.519 52.38 2171.70 0.520 52.14 2172.70 0.520 51.89 2173.70 0.521 51.65 2174.70 0.522 51.41 2175.70 0.522 51.16 2176.70 0.523 50.92 2177.70 0.523 50.68 2178.70 0.524 50.44 2179.70 0.524 50.20 2180.70 0.525 49.96 2181.70 0.525 49.72 2182.70 0.525 49.48 2183.70 0.526 49.24 2184.70 0.526 49.00 2185.70 0.527 48.76 2186.70 0.527 48.53 2187.70 0.527 48.29 2188.70 0.527 48.05 2189.70 0.528 47.81 2190.70 0.528 47.58 2191.70 0.528 47.34 2192.70 0.528 47.10 2193.70 0.529 46.87 2194.70 0.529 46.63 2195.70 0.529 46.39 2196.70 0.529 46.16 2197.70 0.529 45.92 2198.70 0.529 45.69 2199.70 0.529 45.45 2200.70 0.529 45.22 2201.70 0.529 44.98 2202.70 0.529 44.74 2203.70 0.529 44.51 2204.70 0.529 44.27 2205.70 0.529 44.04 2206.70 0.529 43.80 2207.70 0.529 43.56 2208.70 0.529 43.33 2209.70 0.528 43.09 2210.70 0.528 42.85 2211.70 0.528 42.62 2212.70 0.528 42.38 2213.70 0.528 42.14 2214.70 0.527 41.91 2215.70 0.527 41.67 2216.70 0.527 41.43 2217.70 0.526 41.19 2218.70 0.526 40.95 2219.70 0.525 40.71 2220.70 0.525 40.48 2221.70 0.525 40.24 2222.70 0.524 40.00 2223.70 0.524 39.75 2224.70 0.523 39.51 2225.70 0.523 39.27 2226.70 0.522 39.03 2227.70 0.521 38.79 2228.70 0.521 38.54 2229.70 0.520 38.30 2230.70 0.520 38.06 2231.70 0.519 37.81 2232.70 0.518 37.57 2233.70 0.517 37.32 2234.70 0.517 37.07 2235.70 0.516 36.82 2236.70 0.515 36.58 2237.70 0.514 36.33 2238.70 0.513 36.08 2239.70 0.513 35.83 2240.70 0.512 35.57 2241.70 0.511 35.32 2242.70 0.510 35.07 2243.70 0.509 34.81 2244.70 0.508 34.56 2245.70 0.507 34.30 2246.70 0.506 34.04 2247.70 0.505 33.79 2248.70 0.504 33.53 2249.70 0.503 33.27 2250.70 0.502 33.00 2251.70 0.501 32.74 2252.70 0.499 32.48 2253.70 0.498 32.21 2254.70 0.497 31.94 2255.70 0.496 31.68 2256.70 0.494 31.41 2257.70 0.493 31.14 2258.70 0.492 30.86 2259.70 0.491 30.59 2260.70 0.489 30.32 2261.70 0.488 30.04 2262.70 0.486 29.76 2263.70 0.485 29.48 2264.70 0.484 29.20 2265.70 0.482 28.92 2266.70 0.481 28.63 2267.70 0.479 28.34 2268.70 0.478 28.06 2269.70 0.476 27.77 2270.70 0.474 27.47 2271.70 0.473 27.18 2272.70 0.471 26.88 2273.70 0.470 26.58 2274.70 0.468 26.28 2275.70 0.466 25.98 2276.70 0.464 25.68 2277.70 0.463 25.37 2278.70 0.461 25.06
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 18:53:29 |