| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:52:45 |
| 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: | 1912.0 | Year |
| End-Year: | 2138.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| 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' to 5 'indeterminate' |
| Flags: | n | Flags |
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Year Sep[“] PA[°] --------------------------------------------- 2025.0 0.361 110.3 ------------------------- 1912.0 0.482 158.1 1913.0 0.478 158.5 1914.0 0.474 159.0 1915.0 0.469 159.4 1916.0 0.465 159.9 1917.0 0.460 160.3 1918.0 0.455 160.8 1919.0 0.449 161.3 1920.0 0.444 161.8 1921.0 0.438 162.3 1922.0 0.432 162.8 1923.0 0.426 163.3 1924.0 0.419 163.9 1925.0 0.413 164.4 1926.0 0.406 165.0 1927.0 0.399 165.6 1928.0 0.391 166.3 1929.0 0.383 166.9 1930.0 0.375 167.6 1931.0 0.367 168.3 1932.0 0.358 169.1 1933.0 0.349 169.9 1934.0 0.340 170.7 1935.0 0.330 171.6 1936.0 0.320 172.5 1937.0 0.309 173.5 1938.0 0.298 174.6 1939.0 0.287 175.7 1940.0 0.275 177.0 1941.0 0.262 178.3 1942.0 0.249 179.8 1943.0 0.236 181.5 1944.0 0.221 183.4 1945.0 0.207 185.5 1946.0 0.191 188.0 1947.0 0.175 191.0 1948.0 0.158 194.5 1949.0 0.141 198.9 1950.0 0.124 204.5 1951.0 0.107 211.9 1952.0 0.091 222.0 1953.0 0.077 236.1 1954.0 0.069 254.8 1955.0 0.067 276.5 1956.0 0.073 296.8 1957.0 0.085 312.8 1958.0 0.098 324.7 1959.0 0.112 333.7 1960.0 0.125 340.7 1961.0 0.136 346.5 1962.0 0.145 351.5 1963.0 0.153 355.9 1964.0 0.160 359.9 1965.0 0.166 3.6 1966.0 0.170 7.1 1967.0 0.174 10.4 1968.0 0.178 13.5 1969.0 0.181 16.6 1970.0 0.183 19.6 1971.0 0.186 22.4 1972.0 0.188 25.3 1973.0 0.190 28.0 1974.0 0.192 30.7 1975.0 0.193 33.4 1976.0 0.195 36.0 1977.0 0.197 38.6 1978.0 0.199 41.1 1979.0 0.201 43.5 1980.0 0.203 46.0 1981.0 0.205 48.3 1982.0 0.207 50.7 1983.0 0.209 52.9 1984.0 0.211 55.2 1985.0 0.214 57.3 1986.0 0.216 59.5 1987.0 0.219 61.5 1988.0 0.222 63.6 1989.0 0.224 65.5 1990.0 0.227 67.5 1991.0 0.230 69.3 1992.0 0.234 71.2 1993.0 0.237 72.9 1994.0 0.240 74.7 1995.0 0.243 76.4 1996.0 0.247 78.0 1997.0 0.250 79.6 1998.0 0.254 81.1 1999.0 0.258 82.6 2000.0 0.261 84.1 2001.0 0.265 85.5 2002.0 0.269 86.9 2003.0 0.273 88.2 2004.0 0.276 89.6 2005.0 0.280 90.8 2006.0 0.284 92.1 2007.0 0.288 93.3 2008.0 0.292 94.4 2009.0 0.296 95.6 2010.0 0.300 96.7 2011.0 0.304 97.7 2012.0 0.308 98.8 2013.0 0.312 99.8 2014.0 0.317 100.8 2015.0 0.321 101.8 2016.0 0.325 102.7 2017.0 0.329 103.6 2018.0 0.333 104.5 2019.0 0.337 105.4 2020.0 0.341 106.3 2021.0 0.345 107.1 2022.0 0.349 107.9 2023.0 0.353 108.7 2024.0 0.357 109.5 2025.0 0.361 110.3 2026.0 0.365 111.0 2027.0 0.369 111.7 2028.0 0.373 112.5 2029.0 0.377 113.2 2030.0 0.381 113.8 2031.0 0.385 114.5 2032.0 0.389 115.2 2033.0 0.392 115.8 2034.0 0.396 116.4 2035.0 0.400 117.1 2036.0 0.404 117.7 2037.0 0.407 118.3 2038.0 0.411 118.9 2039.0 0.415 119.4 2040.0 0.418 120.0 2041.0 0.422 120.6 2042.0 0.426 121.1 2043.0 0.429 121.6 2044.0 0.433 122.2 2045.0 0.436 122.7 2046.0 0.439 123.2 2047.0 0.443 123.7 2048.0 0.446 124.2 2049.0 0.449 124.7 2050.0 0.453 125.2 2051.0 0.456 125.7 2052.0 0.459 126.1 2053.0 0.462 126.6 2054.0 0.465 127.1 2055.0 0.468 127.5 2056.0 0.471 128.0 2057.0 0.474 128.4 2058.0 0.477 128.8 2059.0 0.480 129.3 2060.0 0.482 129.7 2061.0 0.485 130.1 2062.0 0.488 130.5 2063.0 0.491 130.9 2064.0 0.493 131.3 2065.0 0.496 131.7 2066.0 0.498 132.1 2067.0 0.501 132.5 2068.0 0.503 132.9 2069.0 0.505 133.3 2070.0 0.508 133.7 2071.0 0.510 134.1 2072.0 0.512 134.4 2073.0 0.514 134.8 2074.0 0.516 135.2 2075.0 0.518 135.6 2076.0 0.520 135.9 2077.0 0.522 136.3 2078.0 0.524 136.6 2079.0 0.526 137.0 2080.0 0.527 137.4 2081.0 0.529 137.7 2082.0 0.530 138.1 2083.0 0.532 138.4 2084.0 0.533 138.8 2085.0 0.535 139.1 2086.0 0.536 139.4 2087.0 0.537 139.8 2088.0 0.539 140.1 2089.0 0.540 140.5 2090.0 0.541 140.8 2091.0 0.542 141.1 2092.0 0.543 141.5 2093.0 0.544 141.8 2094.0 0.544 142.1 2095.0 0.545 142.5 2096.0 0.546 142.8 2097.0 0.546 143.1 2098.0 0.547 143.5 2099.0 0.547 143.8 2100.0 0.547 144.1 2101.0 0.548 144.4 2102.0 0.548 144.8 2103.0 0.548 145.1 2104.0 0.548 145.4 2105.0 0.548 145.8 2106.0 0.548 146.1 2107.0 0.548 146.4 2108.0 0.547 146.7 2109.0 0.547 147.1 2110.0 0.546 147.4 2111.0 0.546 147.7 2112.0 0.545 148.1 2113.0 0.544 148.4 2114.0 0.543 148.7 2115.0 0.542 149.1 2116.0 0.541 149.4 2117.0 0.540 149.7 2118.0 0.539 150.1 2119.0 0.538 150.4 2120.0 0.536 150.7 2121.0 0.535 151.1 2122.0 0.533 151.4 2123.0 0.531 151.8 2124.0 0.529 152.1 2125.0 0.527 152.5 2126.0 0.525 152.8 2127.0 0.523 153.2 2128.0 0.520 153.6 2129.0 0.518 153.9 2130.0 0.515 154.3 2131.0 0.512 154.7 2132.0 0.510 155.0 2133.0 0.507 155.4 2134.0 0.503 155.8 2135.0 0.500 156.2 2136.0 0.497 156.6 2137.0 0.493 157.0