| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 16:59:37 |
| WDS: | BU1235 | WDS ID/Discoverer |
| P: | 218.310 | Orbital period (years) |
| a: | 0.424 | Semi-major axis (arcseconds) |
| i: | 85.3 | Inclination (degrees) |
| Ω: | 57.1 | Longitude of ascending node (degrees) |
| T: | 1973.930 | Epoch of periastron passage (year) |
| e: | 0.123 | Eccentricity |
| ω: | 184.3 | Longitude of periastron (degrees) |
| Start-Year: | 1916.0 | Year |
| End-Year: | 2134.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 042429.47+224429.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 04245+2244 | WDS designation |
| Discoverer Code: | BU1235 | Discover designation and components |
| ADS number: | 3191 | Aitken Double Star catalog |
| HD number: | 27832 | HD catalog number |
| Hipparcos number: | 20580 | Hipparcos catalog number |
| V1: | 8.71 | Magnitude of the primary |
| V2: | 8.87 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 1996 | Date of last observation |
| Orbit grade: | 4 | 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 0.099 37.0 ------------------------- 1916.0 0.117 74.2 1917.0 0.106 76.1 1918.0 0.095 78.5 1919.0 0.084 81.6 1920.0 0.073 85.5 1921.0 0.063 90.7 1922.0 0.053 98.0 1923.0 0.045 108.2 1924.0 0.038 122.5 1925.0 0.035 140.9 1926.0 0.035 160.9 1927.0 0.040 178.1 1928.0 0.047 191.0 1929.0 0.056 200.1 1930.0 0.066 206.6 1931.0 0.077 211.3 1932.0 0.088 214.9 1933.0 0.099 217.7 1934.0 0.110 219.9 1935.0 0.121 221.8 1936.0 0.132 223.3 1937.0 0.143 224.6 1938.0 0.154 225.6 1939.0 0.165 226.6 1940.0 0.176 227.4 1941.0 0.186 228.2 1942.0 0.197 228.8 1943.0 0.207 229.4 1944.0 0.217 229.9 1945.0 0.227 230.4 1946.0 0.237 230.9 1947.0 0.246 231.3 1948.0 0.256 231.7 1949.0 0.264 232.0 1950.0 0.273 232.4 1951.0 0.281 232.7 1952.0 0.290 233.0 1953.0 0.297 233.3 1954.0 0.305 233.5 1955.0 0.312 233.8 1956.0 0.319 234.0 1957.0 0.325 234.3 1958.0 0.331 234.5 1959.0 0.337 234.7 1960.0 0.342 234.9 1961.0 0.347 235.1 1962.0 0.351 235.3 1963.0 0.355 235.5 1964.0 0.359 235.7 1965.0 0.362 235.9 1966.0 0.365 236.1 1967.0 0.367 236.2 1968.0 0.369 236.4 1969.0 0.370 236.6 1970.0 0.371 236.8 1971.0 0.372 236.9 1972.0 0.372 237.1 1973.0 0.372 237.3 1974.0 0.371 237.5 1975.0 0.369 237.6 1976.0 0.368 237.8 1977.0 0.366 238.0 1978.0 0.363 238.2 1979.0 0.360 238.4 1980.0 0.356 238.6 1981.0 0.352 238.7 1982.0 0.348 238.9 1983.0 0.343 239.1 1984.0 0.338 239.4 1985.0 0.333 239.6 1986.0 0.327 239.8 1987.0 0.320 240.0 1988.0 0.313 240.3 1989.0 0.306 240.5 1990.0 0.299 240.8 1991.0 0.291 241.0 1992.0 0.283 241.3 1993.0 0.275 241.7 1994.0 0.266 242.0 1995.0 0.257 242.3 1996.0 0.247 242.7 1997.0 0.238 243.1 1998.0 0.228 243.6 1999.0 0.218 244.1 2000.0 0.208 244.6 2001.0 0.197 245.2 2002.0 0.187 245.8 2003.0 0.176 246.6 2004.0 0.165 247.4 2005.0 0.154 248.3 2006.0 0.143 249.4 2007.0 0.131 250.7 2008.0 0.120 252.3 2009.0 0.109 254.1 2010.0 0.097 256.4 2011.0 0.086 259.3 2012.0 0.075 263.0 2013.0 0.064 268.0 2014.0 0.054 275.0 2015.0 0.045 284.8 2016.0 0.038 298.9 2017.0 0.034 317.6 2018.0 0.035 338.3 2019.0 0.039 356.4 2020.0 0.046 9.8 2021.0 0.056 19.2 2022.0 0.066 25.8 2023.0 0.077 30.6 2024.0 0.088 34.2 2025.0 0.099 37.0 2026.0 0.110 39.2 2027.0 0.122 41.0 2028.0 0.133 42.5 2029.0 0.145 43.7 2030.0 0.156 44.8 2031.0 0.167 45.7 2032.0 0.178 46.5 2033.0 0.189 47.3 2034.0 0.200 47.9 2035.0 0.211 48.5 2036.0 0.222 49.0 2037.0 0.232 49.4 2038.0 0.243 49.9 2039.0 0.253 50.3 2040.0 0.263 50.6 2041.0 0.273 51.0 2042.0 0.283 51.3 2043.0 0.292 51.6 2044.0 0.301 51.8 2045.0 0.311 52.1 2046.0 0.319 52.3 2047.0 0.328 52.6 2048.0 0.337 52.8 2049.0 0.345 53.0 2050.0 0.353 53.2 2051.0 0.361 53.4 2052.0 0.368 53.6 2053.0 0.376 53.7 2054.0 0.383 53.9 2055.0 0.390 54.1 2056.0 0.396 54.2 2057.0 0.403 54.4 2058.0 0.409 54.5 2059.0 0.414 54.7 2060.0 0.420 54.8 2061.0 0.425 54.9 2062.0 0.431 55.1 2063.0 0.435 55.2 2064.0 0.440 55.3 2065.0 0.444 55.5 2066.0 0.448 55.6 2067.0 0.452 55.7 2068.0 0.455 55.8 2069.0 0.459 55.9 2070.0 0.462 56.0 2071.0 0.464 56.2 2072.0 0.467 56.3 2073.0 0.469 56.4 2074.0 0.471 56.5 2075.0 0.472 56.6 2076.0 0.474 56.7 2077.0 0.475 56.8 2078.0 0.475 56.9 2079.0 0.476 57.0 2080.0 0.476 57.1 2081.0 0.476 57.2 2082.0 0.476 57.3 2083.0 0.475 57.4 2084.0 0.474 57.6 2085.0 0.473 57.7 2086.0 0.471 57.8 2087.0 0.470 57.9 2088.0 0.468 58.0 2089.0 0.465 58.1 2090.0 0.463 58.2 2091.0 0.460 58.3 2092.0 0.457 58.4 2093.0 0.453 58.6 2094.0 0.450 58.7 2095.0 0.446 58.8 2096.0 0.442 58.9 2097.0 0.437 59.0 2098.0 0.433 59.2 2099.0 0.428 59.3 2100.0 0.422 59.4 2101.0 0.417 59.6 2102.0 0.411 59.7 2103.0 0.405 59.9 2104.0 0.399 60.0 2105.0 0.393 60.2 2106.0 0.386 60.3 2107.0 0.379 60.5 2108.0 0.372 60.6 2109.0 0.365 60.8 2110.0 0.357 61.0 2111.0 0.349 61.2 2112.0 0.341 61.4 2113.0 0.333 61.6 2114.0 0.325 61.8 2115.0 0.316 62.1 2116.0 0.307 62.3 2117.0 0.298 62.6 2118.0 0.289 62.9 2119.0 0.279 63.2 2120.0 0.270 63.5 2121.0 0.260 63.8 2122.0 0.250 64.2 2123.0 0.240 64.6 2124.0 0.230 65.0 2125.0 0.219 65.5 2126.0 0.209 66.0 2127.0 0.198 66.6 2128.0 0.187 67.3 2129.0 0.176 68.0 2130.0 0.165 68.8 2131.0 0.154 69.8 2132.0 0.143 70.9 2133.0 0.132 72.2