| WDS: | A578AA,AB | WDS ID/Discoverer |
| P: | 361.254 | Orbital period (years) |
| a: | 0.4534 | Semi-major axis (arcseconds) |
| i: | 118.7 | Inclination (degrees) |
| Ω: | 0.7 | Longitude of ascending node (degrees) |
| T: | 2260.179 | Epoch of periastron passage (year) |
| e: | 0.487 | Eccentricity |
| ω: | 312.2 | Longitude of periastron (degrees) |
| Start-Year: | 1844.373 | Year |
| End-Year: | 2205.627 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A578AA,AB |
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| Position: | 181749.51+435032.0 | Epoch-2000 right ascension and declination |
| WDS-ID: | 18178+4351 | WDS designation |
| Discoverer Code: | A578AA,AB | Discover designation and components |
| ADS number: | 11247 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 89655 | Hipparcos catalog number |
| V1: | 9.55 | Magnitude of the primary |
| V2: | 10.64 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2012 | 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: | Cve2022 | 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 0.359 232.97 -------------------------- 1844.37 0.403 170.63 1845.37 0.397 170.09 1846.37 0.391 169.54 1847.37 0.385 168.96 1848.37 0.378 168.37 1849.37 0.372 167.76 1850.37 0.366 167.13 1851.37 0.359 166.48 1852.37 0.352 165.80 1853.37 0.345 165.09 1854.37 0.338 164.36 1855.37 0.331 163.59 1856.37 0.324 162.79 1857.37 0.317 161.95 1858.37 0.310 161.08 1859.37 0.302 160.16 1860.37 0.294 159.19 1861.37 0.287 158.18 1862.37 0.279 157.10 1863.37 0.271 155.97 1864.37 0.263 154.76 1865.37 0.255 153.48 1866.37 0.247 152.12 1867.37 0.239 150.66 1868.37 0.231 149.10 1869.37 0.223 147.43 1870.37 0.214 145.63 1871.37 0.206 143.68 1872.37 0.198 141.58 1873.37 0.190 139.30 1874.37 0.182 136.82 1875.37 0.174 134.11 1876.37 0.167 131.16 1877.37 0.160 127.94 1878.37 0.153 124.42 1879.37 0.146 120.58 1880.37 0.141 116.41 1881.37 0.135 111.89 1882.37 0.131 107.02 1883.37 0.127 101.83 1884.37 0.124 96.36 1885.37 0.122 90.67 1886.37 0.121 84.85 1887.37 0.121 79.00 1888.37 0.122 73.21 1889.37 0.125 67.57 1890.37 0.128 62.17 1891.37 0.132 57.06 1892.37 0.136 52.27 1893.37 0.142 47.81 1894.37 0.147 43.69 1895.37 0.153 39.88 1896.37 0.160 36.37 1897.37 0.166 33.14 1898.37 0.173 30.16 1899.37 0.180 27.40 1900.37 0.187 24.83 1901.37 0.193 22.45 1902.37 0.200 20.23 1903.37 0.206 18.14 1904.37 0.212 16.18 1905.37 0.218 14.33 1906.37 0.224 12.57 1907.37 0.230 10.90 1908.37 0.235 9.31 1909.37 0.240 7.79 1910.37 0.244 6.32 1911.37 0.249 4.91 1912.37 0.253 3.54 1913.37 0.257 2.22 1914.37 0.260 0.93 1915.37 0.263 359.67 1916.37 0.266 358.45 1917.37 0.269 357.25 1918.37 0.271 356.07 1919.37 0.273 354.91 1920.37 0.275 353.76 1921.37 0.277 352.63 1922.37 0.278 351.51 1923.37 0.279 350.40 1924.37 0.280 349.31 1925.37 0.281 348.21 1926.37 0.281 347.12 1927.37 0.282 346.04 1928.37 0.282 344.96 1929.37 0.282 343.88 1930.37 0.282 342.79 1931.37 0.282 341.71 1932.37 0.281 340.63 1933.37 0.281 339.54 1934.37 0.280 338.45 1935.37 0.280 337.35 1936.37 0.279 336.25 1937.37 0.278 335.14 1938.37 0.277 334.02 1939.37 0.276 332.90 1940.37 0.275 331.77 1941.37 0.274 330.63 1942.37 0.273 329.48 1943.37 0.272 328.32 1944.37 0.271 327.15 1945.37 0.269 325.98 1946.37 0.268 324.79 1947.37 0.267 323.59 1948.37 0.266 322.37 1949.37 0.264 321.15 1950.37 0.263 319.92 1951.37 0.262 318.67 1952.37 0.261 317.42 1953.37 0.260 316.15 1954.37 0.259 314.87 1955.37 0.258 313.58 1956.37 0.257 312.28 1957.37 0.256 310.97 1958.37 0.255 309.65 1959.37 0.254 308.32 1960.37 0.253 306.98 1961.37 0.252 305.63 1962.37 0.251 304.27 1963.37 0.251 302.91 1964.37 0.250 301.54 1965.37 0.250 300.16 1966.37 0.249 298.78 1967.37 0.249 297.40 1968.37 0.249 296.01 1969.37 0.248 294.62 1970.37 0.248 293.22 1971.37 0.248 291.83 1972.37 0.248 290.44 1973.37 0.249 289.05 1974.37 0.249 287.66 1975.37 0.249 286.27 1976.37 0.250 284.89 1977.37 0.250 283.51 1978.37 0.251 282.14 1979.37 0.251 280.78 1980.37 0.252 279.43 1981.37 0.253 278.08 1982.37 0.254 276.75 1983.37 0.255 275.42 1984.37 0.256 274.11 1985.37 0.258 272.81 1986.37 0.259 271.52 1987.37 0.260 270.25 1988.37 0.262 268.99 1989.37 0.263 267.74 1990.37 0.265 266.51 1991.37 0.267 265.29 1992.37 0.269 264.09 1993.37 0.270 262.91 1994.37 0.272 261.74 1995.37 0.274 260.59 1996.37 0.276 259.46 1997.37 0.279 258.35 1998.37 0.281 257.25 1999.37 0.283 256.17 2000.37 0.285 255.10 2001.37 0.288 254.06 2002.37 0.290 253.03 2003.37 0.293 252.01 2004.37 0.295 251.02 2005.37 0.298 250.04 2006.37 0.300 249.08 2007.37 0.303 248.14 2008.37 0.306 247.21 2009.37 0.308 246.30 2010.37 0.311 245.40 2011.37 0.314 244.52 2012.37 0.317 243.66 2013.37 0.320 242.81 2014.37 0.323 241.98 2015.37 0.325 241.16 2016.37 0.328 240.35 2017.37 0.331 239.56 2018.37 0.334 238.79 2019.37 0.337 238.03 2020.37 0.340 237.28 2021.37 0.343 236.54 2022.37 0.347 235.82 2023.37 0.350 235.11 2024.37 0.353 234.42 2025.37 0.356 233.73 2026.37 0.359 233.06 2027.37 0.362 232.40 2028.37 0.365 231.75 2029.37 0.368 231.11 2030.37 0.371 230.48 2031.37 0.375 229.86 2032.37 0.378 229.25 2033.37 0.381 228.66 2034.37 0.384 228.07 2035.37 0.387 227.49 2036.37 0.390 226.92 2037.37 0.393 226.36 2038.37 0.396 225.81 2039.37 0.400 225.27 2040.37 0.403 224.74 2041.37 0.406 224.21 2042.37 0.409 223.69 2043.37 0.412 223.18 2044.37 0.415 222.68 2045.37 0.418 222.19 2046.37 0.421 221.70 2047.37 0.424 221.22 2048.37 0.427 220.74 2049.37 0.430 220.28 2050.37 0.433 219.82 2051.37 0.436 219.36 2052.37 0.439 218.91 2053.37 0.442 218.47 2054.37 0.445 218.04 2055.37 0.448 217.60 2056.37 0.451 217.18 2057.37 0.454 216.76 2058.37 0.457 216.35 2059.37 0.460 215.94 2060.37 0.463 215.53 2061.37 0.465 215.13 2062.37 0.468 214.74 2063.37 0.471 214.35 2064.37 0.474 213.97 2065.37 0.477 213.59 2066.37 0.479 213.21 2067.37 0.482 212.84 2068.37 0.485 212.47 2069.37 0.487 212.11 2070.37 0.490 211.75 2071.37 0.492 211.39 2072.37 0.495 211.04 2073.37 0.497 210.69 2074.37 0.500 210.34 2075.37 0.502 210.00 2076.37 0.505 209.66 2077.37 0.507 209.33 2078.37 0.510 208.99 2079.37 0.512 208.66 2080.37 0.514 208.34 2081.37 0.517 208.02 2082.37 0.519 207.69 2083.37 0.521 207.38 2084.37 0.523 207.06 2085.37 0.526 206.75 2086.37 0.528 206.44 2087.37 0.530 206.13 2088.37 0.532 205.83 2089.37 0.534 205.52 2090.37 0.536 205.22 2091.37 0.538 204.93 2092.37 0.540 204.63 2093.37 0.542 204.34 2094.37 0.543 204.04 2095.37 0.545 203.75 2096.37 0.547 203.47 2097.37 0.549 203.18 2098.37 0.551 202.90 2099.37 0.552 202.61 2100.37 0.554 202.33 2101.37 0.555 202.05 2102.37 0.557 201.78 2103.37 0.558 201.50 2104.37 0.560 201.22 2105.37 0.561 200.95 2106.37 0.563 200.68 2107.37 0.564 200.41 2108.37 0.565 200.14 2109.37 0.567 199.87 2110.37 0.568 199.60 2111.37 0.569 199.34 2112.37 0.570 199.07 2113.37 0.571 198.81 2114.37 0.572 198.55 2115.37 0.573 198.28 2116.37 0.574 198.02 2117.37 0.575 197.76 2118.37 0.576 197.50 2119.37 0.577 197.24 2120.37 0.578 196.99 2121.37 0.578 196.73 2122.37 0.579 196.47 2123.37 0.580 196.22 2124.37 0.580 195.96 2125.37 0.581 195.71 2126.37 0.581 195.45 2127.37 0.581 195.20 2128.37 0.582 194.94 2129.37 0.582 194.69 2130.37 0.582 194.44 2131.37 0.583 194.18 2132.37 0.583 193.93 2133.37 0.583 193.68 2134.37 0.583 193.42 2135.37 0.583 193.17 2136.37 0.583 192.92 2137.37 0.583 192.67 2138.37 0.583 192.41 2139.37 0.582 192.16 2140.37 0.582 191.91 2141.37 0.582 191.65 2142.37 0.581 191.40 2143.37 0.581 191.14 2144.37 0.580 190.89 2145.37 0.580 190.63 2146.37 0.579 190.38 2147.37 0.578 190.12 2148.37 0.578 189.86 2149.37 0.577 189.60 2150.37 0.576 189.35 2151.37 0.575 189.09 2152.37 0.574 188.83 2153.37 0.573 188.56 2154.37 0.572 188.30 2155.37 0.570 188.04 2156.37 0.569 187.77 2157.37 0.568 187.51 2158.37 0.566 187.24 2159.37 0.565 186.97 2160.37 0.563 186.70 2161.37 0.561 186.43 2162.37 0.560 186.16 2163.37 0.558 185.88 2164.37 0.556 185.60 2165.37 0.554 185.33 2166.37 0.552 185.04 2167.37 0.550 184.76 2168.37 0.548 184.48 2169.37 0.546 184.19 2170.37 0.543 183.90 2171.37 0.541 183.61 2172.37 0.538 183.31 2173.37 0.536 183.01 2174.37 0.533 182.71 2175.37 0.530 182.41 2176.37 0.528 182.10 2177.37 0.525 181.79 2178.37 0.522 181.48 2179.37 0.519 181.16 2180.37 0.515 180.84 2181.37 0.512 180.51 2182.37 0.509 180.18 2183.37 0.505 179.85 2184.37 0.502 179.51 2185.37 0.498 179.17 2186.37 0.494 178.82 2187.37 0.491 178.46 2188.37 0.487 178.10 2189.37 0.483 177.74 2190.37 0.479 177.37 2191.37 0.474 176.99 2192.37 0.470 176.60 2193.37 0.466 176.21 2194.37 0.461 175.81 2195.37 0.456 175.40 2196.37 0.452 174.98 2197.37 0.447 174.56 2198.37 0.442 174.12 2199.37 0.437 173.68 2200.37 0.432 173.22 2201.37 0.426 172.76 2202.37 0.421 172.28 2203.37 0.415 171.79 2204.37 0.410 171.28 2205.37 0.404 170.76
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:50:09 |