| WDS: | A1289 | WDS ID/Discoverer |
| P: | 265.000 | Orbital period (years) |
| a: | 0.32 | Semi-major axis (arcseconds) |
| i: | 51.5 | Inclination (degrees) |
| Ω: | 147.4 | Longitude of ascending node (degrees) |
| T: | 2080.000 | Epoch of periastron passage (year) |
| e: | 0.633 | Eccentricity |
| ω: | 75.7 | Longitude of periastron (degrees) |
| Start-Year: | 1892.5 | Year |
| End-Year: | 2157.5 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for A1289 |
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| Position: | 034400.54+522807.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 03440+5228 | WDS designation |
| Discoverer Code: | A1289 | Discover designation and components |
| ADS number: | 2710 | Aitken Double Star catalog |
| HD number: | 23006 | HD catalog number |
| Hipparcos number: | 17427 | Hipparcos catalog number |
| V1: | 10.07 | Magnitude of the primary |
| V2: | 10.38 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1995 | Date of last observation |
| Orbit grade: | 5 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | Flags | |
| Ephemerides: | Ephemerides | |
| Code: | USN2002 | 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 93.18 -------------------------- 1892.50 0.359 5.90 1893.50 0.359 6.42 1894.50 0.360 6.94 1895.50 0.360 7.46 1896.50 0.360 7.97 1897.50 0.361 8.49 1898.50 0.361 9.00 1899.50 0.361 9.52 1900.50 0.361 10.03 1901.50 0.361 10.54 1902.50 0.361 11.06 1903.50 0.361 11.57 1904.50 0.361 12.09 1905.50 0.361 12.60 1906.50 0.361 13.11 1907.50 0.361 13.63 1908.50 0.361 14.14 1909.50 0.361 14.65 1910.50 0.361 15.17 1911.50 0.361 15.68 1912.50 0.360 16.20 1913.50 0.360 16.72 1914.50 0.360 17.23 1915.50 0.360 17.75 1916.50 0.359 18.27 1917.50 0.359 18.79 1918.50 0.359 19.31 1919.50 0.358 19.83 1920.50 0.358 20.36 1921.50 0.357 20.88 1922.50 0.357 21.41 1923.50 0.356 21.93 1924.50 0.356 22.46 1925.50 0.355 22.99 1926.50 0.355 23.52 1927.50 0.354 24.05 1928.50 0.354 24.59 1929.50 0.353 25.13 1930.50 0.353 25.66 1931.50 0.352 26.20 1932.50 0.352 26.74 1933.50 0.351 27.29 1934.50 0.350 27.83 1935.50 0.350 28.38 1936.50 0.349 28.93 1937.50 0.348 29.48 1938.50 0.347 30.04 1939.50 0.347 30.59 1940.50 0.346 31.15 1941.50 0.345 31.71 1942.50 0.345 32.28 1943.50 0.344 32.84 1944.50 0.343 33.41 1945.50 0.342 33.98 1946.50 0.341 34.56 1947.50 0.341 35.13 1948.50 0.340 35.71 1949.50 0.339 36.29 1950.50 0.338 36.88 1951.50 0.337 37.47 1952.50 0.336 38.06 1953.50 0.336 38.65 1954.50 0.335 39.25 1955.50 0.334 39.85 1956.50 0.333 40.45 1957.50 0.332 41.06 1958.50 0.331 41.67 1959.50 0.330 42.28 1960.50 0.329 42.89 1961.50 0.329 43.51 1962.50 0.328 44.14 1963.50 0.327 44.76 1964.50 0.326 45.39 1965.50 0.325 46.03 1966.50 0.324 46.66 1967.50 0.323 47.30 1968.50 0.322 47.95 1969.50 0.321 48.60 1970.50 0.320 49.25 1971.50 0.319 49.90 1972.50 0.318 50.56 1973.50 0.317 51.23 1974.50 0.316 51.89 1975.50 0.315 52.57 1976.50 0.315 53.24 1977.50 0.314 53.92 1978.50 0.313 54.61 1979.50 0.312 55.29 1980.50 0.311 55.99 1981.50 0.310 56.68 1982.50 0.309 57.38 1983.50 0.308 58.09 1984.50 0.307 58.80 1985.50 0.306 59.51 1986.50 0.305 60.23 1987.50 0.304 60.95 1988.50 0.303 61.68 1989.50 0.302 62.41 1990.50 0.301 63.15 1991.50 0.300 63.89 1992.50 0.299 64.64 1993.50 0.298 65.39 1994.50 0.297 66.14 1995.50 0.296 66.90 1996.50 0.296 67.67 1997.50 0.295 68.44 1998.50 0.294 69.21 1999.50 0.293 69.99 2000.50 0.292 70.78 2001.50 0.291 71.57 2002.50 0.290 72.36 2003.50 0.289 73.17 2004.50 0.288 73.97 2005.50 0.287 74.78 2006.50 0.286 75.60 2007.50 0.285 76.42 2008.50 0.284 77.25 2009.50 0.283 78.08 2010.50 0.282 78.92 2011.50 0.281 79.76 2012.50 0.280 80.62 2013.50 0.279 81.47 2014.50 0.278 82.33 2015.50 0.277 83.20 2016.50 0.276 84.07 2017.50 0.275 84.96 2018.50 0.274 85.84 2019.50 0.273 86.73 2020.50 0.272 87.63 2021.50 0.271 88.54 2022.50 0.270 89.45 2023.50 0.269 90.37 2024.50 0.268 91.30 2025.50 0.267 92.24 2026.50 0.266 93.18 2027.50 0.265 94.13 2028.50 0.264 95.09 2029.50 0.263 96.05 2030.50 0.262 97.03 2031.50 0.261 98.01 2032.50 0.259 99.00 2033.50 0.258 100.00 2034.50 0.257 101.01 2035.50 0.256 102.04 2036.50 0.254 103.07 2037.50 0.253 104.11 2038.50 0.251 105.16 2039.50 0.250 106.23 2040.50 0.249 107.31 2041.50 0.247 108.40 2042.50 0.245 109.51 2043.50 0.244 110.63 2044.50 0.242 111.77 2045.50 0.240 112.92 2046.50 0.238 114.09 2047.50 0.236 115.28 2048.50 0.234 116.49 2049.50 0.232 117.72 2050.50 0.230 118.98 2051.50 0.228 120.26 2052.50 0.225 121.57 2053.50 0.223 122.90 2054.50 0.220 124.27 2055.50 0.217 125.68 2056.50 0.214 127.12 2057.50 0.211 128.60 2058.50 0.208 130.14 2059.50 0.204 131.72 2060.50 0.200 133.36 2061.50 0.196 135.07 2062.50 0.192 136.85 2063.50 0.187 138.71 2064.50 0.183 140.67 2065.50 0.177 142.74 2066.50 0.172 144.94 2067.50 0.166 147.29 2068.50 0.160 149.81 2069.50 0.153 152.54 2070.50 0.146 155.52 2071.50 0.139 158.81 2072.50 0.131 162.48 2073.50 0.123 166.61 2074.50 0.115 171.33 2075.50 0.107 176.77 2076.50 0.099 183.13 2077.50 0.091 190.60 2078.50 0.084 199.38 2079.50 0.079 209.56 2080.50 0.075 220.98 2081.50 0.074 233.15 2082.50 0.075 245.30 2083.50 0.079 256.66 2084.50 0.085 266.73 2085.50 0.092 275.38 2086.50 0.100 282.69 2087.50 0.109 288.85 2088.50 0.118 294.07 2089.50 0.127 298.54 2090.50 0.136 302.41 2091.50 0.145 305.79 2092.50 0.154 308.78 2093.50 0.163 311.46 2094.50 0.171 313.86 2095.50 0.179 316.05 2096.50 0.187 318.05 2097.50 0.194 319.90 2098.50 0.201 321.61 2099.50 0.208 323.21 2100.50 0.215 324.70 2101.50 0.221 326.11 2102.50 0.228 327.44 2103.50 0.233 328.70 2104.50 0.239 329.91 2105.50 0.244 331.05 2106.50 0.250 332.15 2107.50 0.255 333.20 2108.50 0.260 334.22 2109.50 0.264 335.20 2110.50 0.269 336.14 2111.50 0.273 337.05 2112.50 0.277 337.94 2113.50 0.281 338.80 2114.50 0.285 339.64 2115.50 0.289 340.45 2116.50 0.292 341.25 2117.50 0.295 342.03 2118.50 0.299 342.79 2119.50 0.302 343.53 2120.50 0.305 344.26 2121.50 0.308 344.97 2122.50 0.311 345.67 2123.50 0.313 346.36 2124.50 0.316 347.04 2125.50 0.318 347.71 2126.50 0.321 348.36 2127.50 0.323 349.01 2128.50 0.325 349.65 2129.50 0.327 350.28 2130.50 0.329 350.90 2131.50 0.331 351.51 2132.50 0.333 352.12 2133.50 0.335 352.72 2134.50 0.337 353.32 2135.50 0.338 353.91 2136.50 0.340 354.49 2137.50 0.341 355.07 2138.50 0.343 355.64 2139.50 0.344 356.21 2140.50 0.345 356.77 2141.50 0.347 357.33 2142.50 0.348 357.89 2143.50 0.349 358.44 2144.50 0.350 358.99 2145.50 0.351 359.54 2146.50 0.352 0.08 2147.50 0.353 0.62 2148.50 0.354 1.16 2149.50 0.354 1.69 2150.50 0.355 2.22 2151.50 0.356 2.75 2152.50 0.357 3.28 2153.50 0.357 3.81 2154.50 0.358 4.33 2155.50 0.358 4.86 2156.50 0.359 5.38
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:13:59 |