| WDS: | A2579 | WDS ID/Discoverer |
| P: | 236.300 | Orbital period (years) |
| a: | 0.321 | Semi-major axis (arcseconds) |
| i: | 147.9 | Inclination (degrees) |
| Ω: | 17.8 | Longitude of ascending node (degrees) |
| T: | 1897.680 | Epoch of periastron passage (year) |
| e: | 0.287 | Eccentricity |
| ω: | 160.6 | Longitude of periastron (degrees) |
| Start-Year: | 1906.85 | Year |
| End-Year: | 2143.15 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A2579 |
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| Position: | 115312.60-154025.4 | Epoch-2000 right ascension and declination |
| WDS-ID: | 11532-1540 | WDS designation |
| Discoverer Code: | A2579 | Discover designation and components |
| ADS number: | 8332 | Aitken Double Star catalog |
| HD number: | 103228 | HD catalog number |
| Hipparcos number: | 57955 | Hipparcos catalog number |
| V1: | 9.29 | Magnitude of the primary |
| V2: | 8.61 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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: | Doc2016d | 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 0.409 26.27 -------------------------- 1906.85 0.234 192.26 1907.85 0.234 189.94 1908.85 0.235 187.63 1909.85 0.236 185.33 1910.85 0.236 183.05 1911.85 0.237 180.77 1912.85 0.238 178.51 1913.85 0.238 176.26 1914.85 0.239 174.02 1915.85 0.239 171.79 1916.85 0.240 169.57 1917.85 0.240 167.36 1918.85 0.241 165.16 1919.85 0.241 162.97 1920.85 0.242 160.79 1921.85 0.243 158.62 1922.85 0.243 156.46 1923.85 0.244 154.31 1924.85 0.244 152.17 1925.85 0.245 150.05 1926.85 0.246 147.94 1927.85 0.247 145.84 1928.85 0.248 143.75 1929.85 0.249 141.68 1930.85 0.250 139.63 1931.85 0.251 137.59 1932.85 0.252 135.57 1933.85 0.253 133.57 1934.85 0.254 131.59 1935.85 0.255 129.63 1936.85 0.257 127.68 1937.85 0.258 125.76 1938.85 0.260 123.86 1939.85 0.261 121.98 1940.85 0.263 120.13 1941.85 0.265 118.29 1942.85 0.266 116.49 1943.85 0.268 114.70 1944.85 0.270 112.94 1945.85 0.272 111.20 1946.85 0.274 109.49 1947.85 0.276 107.81 1948.85 0.278 106.14 1949.85 0.280 104.51 1950.85 0.282 102.89 1951.85 0.284 101.31 1952.85 0.287 99.74 1953.85 0.289 98.20 1954.85 0.291 96.69 1955.85 0.293 95.20 1956.85 0.296 93.73 1957.85 0.298 92.29 1958.85 0.301 90.87 1959.85 0.303 89.47 1960.85 0.306 88.09 1961.85 0.308 86.74 1962.85 0.310 85.41 1963.85 0.313 84.09 1964.85 0.315 82.80 1965.85 0.318 81.53 1966.85 0.320 80.28 1967.85 0.323 79.05 1968.85 0.325 77.84 1969.85 0.328 76.64 1970.85 0.330 75.47 1971.85 0.333 74.31 1972.85 0.335 73.16 1973.85 0.338 72.04 1974.85 0.340 70.93 1975.85 0.342 69.83 1976.85 0.345 68.76 1977.85 0.347 67.69 1978.85 0.349 66.64 1979.85 0.352 65.60 1980.85 0.354 64.58 1981.85 0.356 63.57 1982.85 0.358 62.57 1983.85 0.361 61.59 1984.85 0.363 60.61 1985.85 0.365 59.65 1986.85 0.367 58.70 1987.85 0.369 57.76 1988.85 0.371 56.83 1989.85 0.373 55.91 1990.85 0.375 55.00 1991.85 0.377 54.09 1992.85 0.379 53.20 1993.85 0.380 52.32 1994.85 0.382 51.44 1995.85 0.384 50.57 1996.85 0.385 49.71 1997.85 0.387 48.85 1998.85 0.389 48.01 1999.85 0.390 47.17 2000.85 0.392 46.33 2001.85 0.393 45.51 2002.85 0.394 44.68 2003.85 0.396 43.87 2004.85 0.397 43.05 2005.85 0.398 42.25 2006.85 0.399 41.45 2007.85 0.400 40.65 2008.85 0.401 39.85 2009.85 0.402 39.07 2010.85 0.403 38.28 2011.85 0.404 37.50 2012.85 0.405 36.72 2013.85 0.405 35.94 2014.85 0.406 35.17 2015.85 0.407 34.40 2016.85 0.407 33.63 2017.85 0.408 32.86 2018.85 0.408 32.09 2019.85 0.408 31.33 2020.85 0.409 30.57 2021.85 0.409 29.80 2022.85 0.409 29.04 2023.85 0.409 28.28 2024.85 0.409 27.52 2025.85 0.409 26.76 2026.85 0.409 26.00 2027.85 0.409 25.24 2028.85 0.409 24.48 2029.85 0.408 23.71 2030.85 0.408 22.95 2031.85 0.408 22.18 2032.85 0.407 21.41 2033.85 0.407 20.64 2034.85 0.406 19.87 2035.85 0.405 19.10 2036.85 0.404 18.32 2037.85 0.404 17.54 2038.85 0.403 16.76 2039.85 0.402 15.97 2040.85 0.401 15.18 2041.85 0.400 14.38 2042.85 0.398 13.58 2043.85 0.397 12.78 2044.85 0.396 11.97 2045.85 0.394 11.15 2046.85 0.393 10.33 2047.85 0.391 9.50 2048.85 0.390 8.67 2049.85 0.388 7.83 2050.85 0.386 6.98 2051.85 0.385 6.12 2052.85 0.383 5.25 2053.85 0.381 4.38 2054.85 0.379 3.50 2055.85 0.377 2.61 2056.85 0.375 1.70 2057.85 0.373 0.79 2058.85 0.370 359.87 2059.85 0.368 358.93 2060.85 0.366 357.99 2061.85 0.363 357.03 2062.85 0.361 356.05 2063.85 0.358 355.07 2064.85 0.355 354.06 2065.85 0.353 353.05 2066.85 0.350 352.02 2067.85 0.347 350.97 2068.85 0.344 349.90 2069.85 0.341 348.82 2070.85 0.338 347.71 2071.85 0.335 346.59 2072.85 0.332 345.45 2073.85 0.329 344.28 2074.85 0.326 343.10 2075.85 0.323 341.89 2076.85 0.320 340.65 2077.85 0.316 339.39 2078.85 0.313 338.11 2079.85 0.310 336.79 2080.85 0.306 335.45 2081.85 0.303 334.08 2082.85 0.300 332.68 2083.85 0.296 331.24 2084.85 0.293 329.77 2085.85 0.289 328.27 2086.85 0.286 326.73 2087.85 0.283 325.15 2088.85 0.279 323.54 2089.85 0.276 321.88 2090.85 0.272 320.19 2091.85 0.269 318.45 2092.85 0.266 316.66 2093.85 0.262 314.84 2094.85 0.259 312.96 2095.85 0.256 311.04 2096.85 0.253 309.07 2097.85 0.250 307.06 2098.85 0.247 304.99 2099.85 0.244 302.87 2100.85 0.241 300.71 2101.85 0.238 298.49 2102.85 0.236 296.23 2103.85 0.233 293.92 2104.85 0.231 291.56 2105.85 0.229 289.15 2106.85 0.227 286.70 2107.85 0.225 284.20 2108.85 0.223 281.67 2109.85 0.222 279.09 2110.85 0.220 276.48 2111.85 0.219 273.84 2112.85 0.218 271.17 2113.85 0.217 268.47 2114.85 0.216 265.76 2115.85 0.216 263.02 2116.85 0.215 260.27 2117.85 0.215 257.52 2118.85 0.215 254.76 2119.85 0.215 251.99 2120.85 0.215 249.23 2121.85 0.215 246.48 2122.85 0.216 243.73 2123.85 0.216 241.00 2124.85 0.217 238.28 2125.85 0.218 235.58 2126.85 0.218 232.90 2127.85 0.219 230.24 2128.85 0.220 227.59 2129.85 0.221 224.98 2130.85 0.222 222.38 2131.85 0.223 219.81 2132.85 0.224 217.26 2133.85 0.225 214.74 2134.85 0.226 212.24 2135.85 0.227 209.76 2136.85 0.228 207.30 2137.85 0.229 204.86 2138.85 0.230 202.45 2139.85 0.231 200.05 2140.85 0.232 197.67 2141.85 0.233 195.31 2142.85 0.233 192.97
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 16:42:06 |