| WDS: | BU1173AB | WDS ID/Discoverer |
| P: | 296.960 | Orbital period (years) |
| a: | 0.377 | Semi-major axis (arcseconds) |
| i: | 76.6 | Inclination (degrees) |
| Ω: | 105.5 | Longitude of ascending node (degrees) |
| T: | 2029.020 | Epoch of periastron passage (year) |
| e: | 0.607 | Eccentricity |
| ω: | 70.6 | Longitude of periastron (degrees) |
| Start-Year: | 1876.52 | Year |
| End-Year: | 2173.48 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1173AB |
||
| Position: | 025835.99+240801.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 02586+2408 | WDS designation |
| Discoverer Code: | BU1173AB | Discover designation and components |
| ADS number: | 2246 | Aitken Double Star catalog |
| HD number: | 18442 | HD catalog number |
| Hipparcos number: | 13867 | Hipparcos catalog number |
| V1: | 8.30 | Magnitude of the primary |
| V2: | 8.35 | Magnitude of the secondary |
| Equinox: | 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: | Hrt2009 | 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 0.091 123.83 -------------------------- 1876.52 0.253 316.75 1877.52 0.250 317.26 1878.52 0.247 317.77 1879.52 0.244 318.30 1880.52 0.241 318.84 1881.52 0.238 319.39 1882.52 0.235 319.96 1883.52 0.232 320.54 1884.52 0.229 321.14 1885.52 0.226 321.75 1886.52 0.223 322.38 1887.52 0.220 323.02 1888.52 0.217 323.68 1889.52 0.214 324.36 1890.52 0.212 325.06 1891.52 0.209 325.78 1892.52 0.206 326.52 1893.52 0.203 327.28 1894.52 0.200 328.06 1895.52 0.197 328.87 1896.52 0.194 329.70 1897.52 0.191 330.55 1898.52 0.189 331.43 1899.52 0.186 332.34 1900.52 0.183 333.27 1901.52 0.180 334.23 1902.52 0.178 335.22 1903.52 0.175 336.24 1904.52 0.172 337.29 1905.52 0.170 338.37 1906.52 0.167 339.49 1907.52 0.165 340.64 1908.52 0.162 341.82 1909.52 0.160 343.04 1910.52 0.158 344.30 1911.52 0.155 345.59 1912.52 0.153 346.93 1913.52 0.151 348.30 1914.52 0.149 349.70 1915.52 0.147 351.15 1916.52 0.145 352.64 1917.52 0.143 354.16 1918.52 0.142 355.73 1919.52 0.140 357.33 1920.52 0.138 358.97 1921.52 0.137 0.64 1922.52 0.136 2.35 1923.52 0.134 4.10 1924.52 0.133 5.87 1925.52 0.132 7.68 1926.52 0.131 9.51 1927.52 0.130 11.36 1928.52 0.130 13.24 1929.52 0.129 15.13 1930.52 0.129 17.04 1931.52 0.128 18.96 1932.52 0.128 20.89 1933.52 0.128 22.82 1934.52 0.128 24.75 1935.52 0.128 26.67 1936.52 0.129 28.59 1937.52 0.129 30.50 1938.52 0.130 32.39 1939.52 0.131 34.26 1940.52 0.131 36.11 1941.52 0.132 37.94 1942.52 0.133 39.74 1943.52 0.134 41.51 1944.52 0.136 43.25 1945.52 0.137 44.95 1946.52 0.138 46.63 1947.52 0.140 48.26 1948.52 0.142 49.86 1949.52 0.143 51.42 1950.52 0.145 52.95 1951.52 0.147 54.44 1952.52 0.149 55.89 1953.52 0.151 57.30 1954.52 0.153 58.67 1955.52 0.155 60.01 1956.52 0.157 61.31 1957.52 0.159 62.58 1958.52 0.162 63.81 1959.52 0.164 65.01 1960.52 0.166 66.17 1961.52 0.169 67.31 1962.52 0.171 68.41 1963.52 0.173 69.48 1964.52 0.176 70.52 1965.52 0.178 71.53 1966.52 0.181 72.52 1967.52 0.183 73.48 1968.52 0.185 74.42 1969.52 0.188 75.33 1970.52 0.190 76.21 1971.52 0.193 77.08 1972.52 0.195 77.92 1973.52 0.197 78.75 1974.52 0.200 79.55 1975.52 0.202 80.34 1976.52 0.204 81.10 1977.52 0.207 81.86 1978.52 0.209 82.59 1979.52 0.211 83.31 1980.52 0.213 84.02 1981.52 0.215 84.71 1982.52 0.217 85.39 1983.52 0.219 86.05 1984.52 0.221 86.71 1985.52 0.223 87.35 1986.52 0.225 87.98 1987.52 0.226 88.61 1988.52 0.228 89.22 1989.52 0.229 89.83 1990.52 0.231 90.43 1991.52 0.232 91.02 1992.52 0.233 91.61 1993.52 0.234 92.19 1994.52 0.235 92.77 1995.52 0.235 93.35 1996.52 0.236 93.92 1997.52 0.236 94.49 1998.52 0.236 95.06 1999.52 0.236 95.62 2000.52 0.236 96.19 2001.52 0.236 96.76 2002.52 0.235 97.33 2003.52 0.234 97.91 2004.52 0.233 98.49 2005.52 0.231 99.08 2006.52 0.230 99.68 2007.52 0.228 100.29 2008.52 0.225 100.90 2009.52 0.222 101.54 2010.52 0.219 102.19 2011.52 0.215 102.87 2012.52 0.211 103.56 2013.52 0.206 104.29 2014.52 0.201 105.05 2015.52 0.196 105.86 2016.52 0.189 106.72 2017.52 0.182 107.64 2018.52 0.175 108.63 2019.52 0.167 109.72 2020.52 0.158 110.93 2021.52 0.148 112.29 2022.52 0.138 113.84 2023.52 0.127 115.66 2024.52 0.115 117.83 2025.52 0.103 120.50 2026.52 0.090 123.91 2027.52 0.078 128.42 2028.52 0.065 134.71 2029.52 0.053 143.93 2030.52 0.043 158.02 2031.52 0.036 178.91 2032.52 0.036 204.27 2033.52 0.041 226.31 2034.52 0.051 241.48 2035.52 0.063 251.37 2036.52 0.076 258.02 2037.52 0.089 262.73 2038.52 0.102 266.23 2039.52 0.115 268.93 2040.52 0.128 271.09 2041.52 0.140 272.87 2042.52 0.152 274.36 2043.52 0.164 275.64 2044.52 0.175 276.75 2045.52 0.185 277.73 2046.52 0.196 278.60 2047.52 0.206 279.39 2048.52 0.215 280.11 2049.52 0.224 280.76 2050.52 0.233 281.37 2051.52 0.241 281.93 2052.52 0.250 282.46 2053.52 0.257 282.95 2054.52 0.265 283.42 2055.52 0.272 283.86 2056.52 0.278 284.28 2057.52 0.285 284.68 2058.52 0.291 285.06 2059.52 0.297 285.43 2060.52 0.303 285.78 2061.52 0.308 286.12 2062.52 0.313 286.45 2063.52 0.318 286.77 2064.52 0.323 287.08 2065.52 0.328 287.38 2066.52 0.332 287.67 2067.52 0.336 287.95 2068.52 0.340 288.23 2069.52 0.344 288.50 2070.52 0.347 288.77 2071.52 0.350 289.03 2072.52 0.354 289.29 2073.52 0.357 289.54 2074.52 0.359 289.79 2075.52 0.362 290.03 2076.52 0.365 290.27 2077.52 0.367 290.51 2078.52 0.369 290.74 2079.52 0.372 290.97 2080.52 0.374 291.20 2081.52 0.375 291.43 2082.52 0.377 291.65 2083.52 0.379 291.87 2084.52 0.380 292.09 2085.52 0.382 292.31 2086.52 0.383 292.53 2087.52 0.384 292.75 2088.52 0.385 292.96 2089.52 0.386 293.17 2090.52 0.387 293.39 2091.52 0.388 293.60 2092.52 0.388 293.81 2093.52 0.389 294.02 2094.52 0.389 294.23 2095.52 0.390 294.44 2096.52 0.390 294.65 2097.52 0.390 294.85 2098.52 0.390 295.06 2099.52 0.390 295.27 2100.52 0.390 295.48 2101.52 0.390 295.69 2102.52 0.390 295.90 2103.52 0.390 296.10 2104.52 0.389 296.31 2105.52 0.389 296.52 2106.52 0.389 296.73 2107.52 0.388 296.94 2108.52 0.387 297.15 2109.52 0.387 297.37 2110.52 0.386 297.58 2111.52 0.385 297.79 2112.52 0.384 298.01 2113.52 0.383 298.22 2114.52 0.382 298.44 2115.52 0.381 298.66 2116.52 0.380 298.87 2117.52 0.379 299.09 2118.52 0.378 299.32 2119.52 0.377 299.54 2120.52 0.375 299.76 2121.52 0.374 299.99 2122.52 0.372 300.22 2123.52 0.371 300.45 2124.52 0.369 300.68 2125.52 0.368 300.91 2126.52 0.366 301.15 2127.52 0.365 301.39 2128.52 0.363 301.63 2129.52 0.361 301.87 2130.52 0.359 302.11 2131.52 0.358 302.36 2132.52 0.356 302.61 2133.52 0.354 302.86 2134.52 0.352 303.12 2135.52 0.350 303.37 2136.52 0.348 303.63 2137.52 0.346 303.90 2138.52 0.344 304.17 2139.52 0.341 304.44 2140.52 0.339 304.71 2141.52 0.337 304.99 2142.52 0.335 305.27 2143.52 0.332 305.55 2144.52 0.330 305.84 2145.52 0.328 306.14 2146.52 0.325 306.43 2147.52 0.323 306.74 2148.52 0.321 307.04 2149.52 0.318 307.35 2150.52 0.316 307.67 2151.52 0.313 307.99 2152.52 0.311 308.32 2153.52 0.308 308.65 2154.52 0.305 308.99 2155.52 0.303 309.33 2156.52 0.300 309.68 2157.52 0.298 310.03 2158.52 0.295 310.39 2159.52 0.292 310.76 2160.52 0.289 311.14 2161.52 0.287 311.52 2162.52 0.284 311.91 2163.52 0.281 312.31 2164.52 0.278 312.71 2165.52 0.276 313.13 2166.52 0.273 313.55 2167.52 0.270 313.98 2168.52 0.267 314.42 2169.52 0.264 314.87 2170.52 0.261 315.33 2171.52 0.258 315.80 2172.52 0.255 316.28
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 15:06:18 |