| WDS: | BU1299AB | WDS ID/Discoverer |
| P: | 227.700 | Orbital period (years) |
| a: | 0.41 | Semi-major axis (arcseconds) |
| i: | 58.2 | Inclination (degrees) |
| Ω: | 170.0 | Longitude of ascending node (degrees) |
| T: | 1957.090 | Epoch of periastron passage (year) |
| e: | 0.712 | Eccentricity |
| ω: | 126.0 | Longitude of periastron (degrees) |
| Start-Year: | 1911.15 | Year |
| End-Year: | 2138.85 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1299AB |
||
| Position: | 175728.54+105746.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17575+1058 | WDS designation |
| Discoverer Code: | BU1299AB | Discover designation and components |
| ADS number: | 10916 | Aitken Double Star catalog |
| HD number: | . | HD catalog number |
| Hipparcos number: | 87911 | Hipparcos catalog number |
| V1: | 9.27 | Magnitude of the primary |
| V2: | 9.24 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1999 | Date of last observation |
| Orbit grade: | 3 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Doc2007j | 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 0.367 111.38 -------------------------- 1911.15 0.486 157.75 1912.15 0.482 158.17 1913.15 0.478 158.60 1914.15 0.473 159.04 1915.15 0.469 159.48 1916.15 0.464 159.93 1917.15 0.459 160.39 1918.15 0.454 160.87 1919.15 0.448 161.35 1920.15 0.443 161.84 1921.15 0.437 162.35 1922.15 0.431 162.87 1923.15 0.425 163.41 1924.15 0.418 163.96 1925.15 0.412 164.53 1926.15 0.405 165.12 1927.15 0.398 165.74 1928.15 0.390 166.37 1929.15 0.382 167.03 1930.15 0.374 167.72 1931.15 0.366 168.44 1932.15 0.357 169.19 1933.15 0.348 169.98 1934.15 0.338 170.82 1935.15 0.329 171.70 1936.15 0.318 172.64 1937.15 0.308 173.64 1938.15 0.297 174.72 1939.15 0.285 175.89 1940.15 0.273 177.15 1941.15 0.260 178.53 1942.15 0.247 180.06 1943.15 0.233 181.76 1944.15 0.219 183.69 1945.15 0.204 185.88 1946.15 0.189 188.43 1947.15 0.173 191.45 1948.15 0.156 195.10 1949.15 0.139 199.64 1950.15 0.122 205.46 1951.15 0.105 213.21 1952.15 0.089 223.83 1953.15 0.076 238.57 1954.15 0.068 257.97 1955.15 0.068 279.79 1956.15 0.075 299.53 1957.15 0.087 314.84 1958.15 0.100 326.20 1959.15 0.114 334.81 1960.15 0.126 341.63 1961.15 0.137 347.29 1962.15 0.147 352.17 1963.15 0.154 356.50 1964.15 0.161 0.45 1965.15 0.167 4.11 1966.15 0.171 7.56 1967.15 0.175 10.84 1968.15 0.178 13.99 1969.15 0.181 17.04 1970.15 0.184 19.99 1971.15 0.186 22.87 1972.15 0.188 25.68 1973.15 0.190 28.44 1974.15 0.192 31.14 1975.15 0.194 33.79 1976.15 0.195 36.39 1977.15 0.197 38.94 1978.15 0.199 41.44 1979.15 0.201 43.90 1980.15 0.203 46.31 1981.15 0.205 48.68 1982.15 0.207 50.99 1983.15 0.209 53.26 1984.15 0.212 55.48 1985.15 0.214 57.65 1986.15 0.217 59.77 1987.15 0.219 61.84 1988.15 0.222 63.86 1989.15 0.225 65.83 1990.15 0.228 67.75 1991.15 0.231 69.62 1992.15 0.234 71.44 1993.15 0.237 73.21 1994.15 0.241 74.93 1995.15 0.244 76.61 1996.15 0.247 78.24 1997.15 0.251 79.82 1998.15 0.254 81.36 1999.15 0.258 82.86 2000.15 0.262 84.32 2001.15 0.266 85.73 2002.15 0.269 87.11 2003.15 0.273 88.44 2004.15 0.277 89.74 2005.15 0.281 91.01 2006.15 0.285 92.24 2007.15 0.289 93.43 2008.15 0.293 94.60 2009.15 0.297 95.73 2010.15 0.301 96.83 2011.15 0.305 97.90 2012.15 0.309 98.94 2013.15 0.313 99.96 2014.15 0.317 100.95 2015.15 0.321 101.92 2016.15 0.325 102.86 2017.15 0.329 103.78 2018.15 0.333 104.67 2019.15 0.338 105.54 2020.15 0.342 106.40 2021.15 0.346 107.23 2022.15 0.350 108.04 2023.15 0.354 108.84 2024.15 0.358 109.62 2025.15 0.362 110.38 2026.15 0.366 111.12 2027.15 0.370 111.85 2028.15 0.374 112.56 2029.15 0.378 113.26 2030.15 0.381 113.94 2031.15 0.385 114.61 2032.15 0.389 115.26 2033.15 0.393 115.91 2034.15 0.397 116.54 2035.15 0.401 117.16 2036.15 0.404 117.76 2037.15 0.408 118.36 2038.15 0.412 118.94 2039.15 0.415 119.52 2040.15 0.419 120.08 2041.15 0.423 120.64 2042.15 0.426 121.19 2043.15 0.430 121.72 2044.15 0.433 122.25 2045.15 0.436 122.77 2046.15 0.440 123.28 2047.15 0.443 123.79 2048.15 0.447 124.28 2049.15 0.450 124.77 2050.15 0.453 125.26 2051.15 0.456 125.73 2052.15 0.459 126.20 2053.15 0.462 126.66 2054.15 0.466 127.12 2055.15 0.469 127.57 2056.15 0.472 128.02 2057.15 0.474 128.46 2058.15 0.477 128.89 2059.15 0.480 129.32 2060.15 0.483 129.74 2061.15 0.486 130.16 2062.15 0.488 130.58 2063.15 0.491 130.99 2064.15 0.494 131.39 2065.15 0.496 131.80 2066.15 0.499 132.19 2067.15 0.501 132.59 2068.15 0.503 132.98 2069.15 0.506 133.36 2070.15 0.508 133.75 2071.15 0.510 134.13 2072.15 0.512 134.50 2073.15 0.514 134.88 2074.15 0.516 135.25 2075.15 0.518 135.61 2076.15 0.520 135.98 2077.15 0.522 136.34 2078.15 0.524 136.70 2079.15 0.526 137.06 2080.15 0.527 137.41 2081.15 0.529 137.76 2082.15 0.531 138.11 2083.15 0.532 138.46 2084.15 0.534 138.81 2085.15 0.535 139.15 2086.15 0.536 139.49 2087.15 0.538 139.84 2088.15 0.539 140.18 2089.15 0.540 140.51 2090.15 0.541 140.85 2091.15 0.542 141.19 2092.15 0.543 141.52 2093.15 0.544 141.85 2094.15 0.544 142.19 2095.15 0.545 142.52 2096.15 0.546 142.85 2097.15 0.546 143.18 2098.15 0.547 143.51 2099.15 0.547 143.84 2100.15 0.547 144.16 2101.15 0.548 144.49 2102.15 0.548 144.82 2103.15 0.548 145.15 2104.15 0.548 145.47 2105.15 0.548 145.80 2106.15 0.548 146.13 2107.15 0.547 146.46 2108.15 0.547 146.79 2109.15 0.547 147.12 2110.15 0.546 147.44 2111.15 0.546 147.77 2112.15 0.545 148.11 2113.15 0.544 148.44 2114.15 0.543 148.77 2115.15 0.542 149.10 2116.15 0.541 149.44 2117.15 0.540 149.77 2118.15 0.539 150.11 2119.15 0.537 150.45 2120.15 0.536 150.79 2121.15 0.534 151.14 2122.15 0.533 151.48 2123.15 0.531 151.83 2124.15 0.529 152.18 2125.15 0.527 152.53 2126.15 0.525 152.89 2127.15 0.522 153.25 2128.15 0.520 153.61 2129.15 0.517 153.98 2130.15 0.515 154.35 2131.15 0.512 154.72 2132.15 0.509 155.10 2133.15 0.506 155.48 2134.15 0.503 155.86 2135.15 0.500 156.25 2136.15 0.496 156.65 2137.15 0.492 157.05 2138.15 0.489 157.46
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:45:09 |