| - Revision: |
$Rev: 1216 $ |
|
| - Report created: |
2025-07-11 18:39:50 |
| WDS: | BU953AB | WDS ID/Discoverer |
| P: | 220.780 | Orbital period (years) |
| a: | 0.415 | Semi-major axis (arcseconds) |
| i: | 113.1 | Inclination (degrees) |
| Ω: | 144.2 | Longitude of ascending node (degrees) |
| T: | 1899.730 | Epoch of periastron passage (year) |
| e: | 0.444 | Eccentricity |
| ω: | 264.1 | Longitude of periastron (degrees) |
| Start-Year: | 1915.0 | Year |
| End-Year: | 2135.0 | Year |
| Epoch: | 2025.0 | Besselian Epoch |
| Position: | 163639.05+694734.7 | Epoch-2000 right ascension and declination |
| WDS-ID: | 16366+6948 | WDS designation |
| Discoverer Code: | BU953AB | Discover designation and components |
| ADS number: | 10140 | Aitken Double Star catalog |
| HD number: | 150631 | HD catalog number |
| Hipparcos number: | 81332 | Hipparcos catalog number |
| V1: | 8.56 | Magnitude of the primary |
| V2: | 9.27 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2004 | 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 0.236 42.6 ------------------------- 1915.0 0.241 158.3 1916.0 0.253 156.7 1917.0 0.264 155.2 1918.0 0.274 153.8 1919.0 0.284 152.5 1920.0 0.293 151.3 1921.0 0.302 150.2 1922.0 0.311 149.2 1923.0 0.319 148.2 1924.0 0.326 147.2 1925.0 0.333 146.3 1926.0 0.340 145.5 1927.0 0.346 144.6 1928.0 0.352 143.8 1929.0 0.357 143.0 1930.0 0.362 142.3 1931.0 0.367 141.5 1932.0 0.371 140.8 1933.0 0.375 140.1 1934.0 0.379 139.4 1935.0 0.382 138.7 1936.0 0.385 138.0 1937.0 0.388 137.4 1938.0 0.390 136.7 1939.0 0.392 136.1 1940.0 0.394 135.4 1941.0 0.396 134.8 1942.0 0.397 134.2 1943.0 0.398 133.6 1944.0 0.399 132.9 1945.0 0.400 132.3 1946.0 0.400 131.7 1947.0 0.400 131.1 1948.0 0.400 130.5 1949.0 0.400 129.8 1950.0 0.399 129.2 1951.0 0.399 128.6 1952.0 0.398 128.0 1953.0 0.397 127.4 1954.0 0.396 126.7 1955.0 0.395 126.1 1956.0 0.393 125.5 1957.0 0.392 124.8 1958.0 0.390 124.2 1959.0 0.388 123.5 1960.0 0.386 122.9 1961.0 0.384 122.2 1962.0 0.382 121.5 1963.0 0.380 120.9 1964.0 0.378 120.2 1965.0 0.375 119.5 1966.0 0.373 118.8 1967.0 0.370 118.0 1968.0 0.367 117.3 1969.0 0.364 116.6 1970.0 0.361 115.8 1971.0 0.358 115.1 1972.0 0.355 114.3 1973.0 0.352 113.5 1974.0 0.349 112.7 1975.0 0.346 111.9 1976.0 0.343 111.1 1977.0 0.339 110.2 1978.0 0.336 109.3 1979.0 0.333 108.5 1980.0 0.329 107.6 1981.0 0.326 106.6 1982.0 0.323 105.7 1983.0 0.319 104.7 1984.0 0.316 103.8 1985.0 0.312 102.8 1986.0 0.309 101.7 1987.0 0.305 100.7 1988.0 0.302 99.6 1989.0 0.299 98.5 1990.0 0.295 97.4 1991.0 0.292 96.3 1992.0 0.289 95.1 1993.0 0.285 93.9 1994.0 0.282 92.7 1995.0 0.279 91.4 1996.0 0.276 90.1 1997.0 0.273 88.8 1998.0 0.270 87.5 1999.0 0.267 86.1 2000.0 0.264 84.7 2001.0 0.262 83.3 2002.0 0.259 81.8 2003.0 0.256 80.3 2004.0 0.254 78.8 2005.0 0.252 77.3 2006.0 0.249 75.7 2007.0 0.247 74.1 2008.0 0.245 72.5 2009.0 0.244 70.8 2010.0 0.242 69.2 2011.0 0.241 67.5 2012.0 0.239 65.7 2013.0 0.238 64.0 2014.0 0.237 62.3 2015.0 0.236 60.5 2016.0 0.235 58.7 2017.0 0.235 56.9 2018.0 0.234 55.1 2019.0 0.234 53.3 2020.0 0.234 51.5 2021.0 0.234 49.7 2022.0 0.234 47.9 2023.0 0.235 46.1 2024.0 0.235 44.3 2025.0 0.236 42.6 2026.0 0.237 40.8 2027.0 0.238 39.0 2028.0 0.239 37.3 2029.0 0.241 35.6 2030.0 0.242 33.9 2031.0 0.244 32.2 2032.0 0.246 30.6 2033.0 0.248 29.0 2034.0 0.250 27.4 2035.0 0.252 25.8 2036.0 0.254 24.3 2037.0 0.256 22.7 2038.0 0.259 21.2 2039.0 0.261 19.8 2040.0 0.264 18.4 2041.0 0.267 17.0 2042.0 0.270 15.6 2043.0 0.272 14.2 2044.0 0.275 12.9 2045.0 0.278 11.6 2046.0 0.281 10.4 2047.0 0.284 9.1 2048.0 0.287 7.9 2049.0 0.291 6.8 2050.0 0.294 5.6 2051.0 0.297 4.5 2052.0 0.300 3.4 2053.0 0.303 2.3 2054.0 0.306 1.2 2055.0 0.309 0.2 2056.0 0.312 359.1 2057.0 0.315 358.1 2058.0 0.318 357.2 2059.0 0.321 356.2 2060.0 0.324 355.2 2061.0 0.327 354.3 2062.0 0.330 353.4 2063.0 0.333 352.5 2064.0 0.335 351.6 2065.0 0.338 350.7 2066.0 0.340 349.9 2067.0 0.343 349.0 2068.0 0.345 348.2 2069.0 0.347 347.4 2070.0 0.349 346.6 2071.0 0.351 345.8 2072.0 0.353 345.0 2073.0 0.355 344.2 2074.0 0.356 343.4 2075.0 0.357 342.6 2076.0 0.359 341.8 2077.0 0.360 341.1 2078.0 0.360 340.3 2079.0 0.361 339.6 2080.0 0.361 338.8 2081.0 0.362 338.0 2082.0 0.361 337.3 2083.0 0.361 336.5 2084.0 0.361 335.8 2085.0 0.360 335.0 2086.0 0.359 334.3 2087.0 0.357 333.5 2088.0 0.356 332.7 2089.0 0.354 331.9 2090.0 0.351 331.1 2091.0 0.348 330.3 2092.0 0.345 329.5 2093.0 0.342 328.7 2094.0 0.338 327.8 2095.0 0.334 326.9 2096.0 0.329 326.0 2097.0 0.324 325.1 2098.0 0.318 324.2 2099.0 0.312 323.2 2100.0 0.306 322.1 2101.0 0.299 321.0 2102.0 0.291 319.9 2103.0 0.283 318.7 2104.0 0.274 317.4 2105.0 0.265 316.1 2106.0 0.255 314.6 2107.0 0.245 313.0 2108.0 0.234 311.3 2109.0 0.223 309.4 2110.0 0.211 307.3 2111.0 0.199 305.0 2112.0 0.186 302.3 2113.0 0.173 299.2 2114.0 0.160 295.7 2115.0 0.147 291.5 2116.0 0.135 286.5 2117.0 0.123 280.5 2118.0 0.112 273.3 2119.0 0.103 264.7 2120.0 0.096 254.6 2121.0 0.092 243.3 2122.0 0.091 231.3 2123.0 0.094 219.6 2124.0 0.100 209.0 2125.0 0.108 199.8 2126.0 0.119 192.1 2127.0 0.130 185.7 2128.0 0.143 180.4 2129.0 0.156 175.9 2130.0 0.169 172.2 2131.0 0.182 169.0 2132.0 0.195 166.2 2133.0 0.208 163.7 2134.0 0.220 161.6