| WDS: | BU1100 | WDS ID/Discoverer |
| P: | 171.490 | Orbital period (years) |
| a: | 0.506 | Semi-major axis (arcseconds) |
| i: | 110.7 | Inclination (degrees) |
| Ω: | 210.7 | Longitude of ascending node (degrees) |
| T: | 1950.920 | Epoch of periastron passage (year) |
| e: | 0.135 | Eccentricity |
| ω: | 288.1 | Longitude of periastron (degrees) |
| Start-Year: | 1939.255 | Year |
| End-Year: | 2110.745 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1100 |
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| Position: | 011445.80+605619.9 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01148+6056 | WDS designation |
| Discoverer Code: | BU1100 | Discover designation and components |
| ADS number: | 999 | Aitken Double Star catalog |
| HD number: | 7331 | HD catalog number |
| Hipparcos number: | 5829 | Hipparcos catalog number |
| V1: | 8.94 | Magnitude of the primary |
| V2: | 7.57 | Magnitude of the secondary |
| Equinox: | 2000 | Equinox |
| Date: | 2010 | 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: | Msn2014b | 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 0.202 116.13 -------------------------- 1939.26 0.187 335.76 1940.26 0.177 330.05 1941.26 0.168 323.72 1942.26 0.162 316.79 1943.26 0.158 309.39 1944.26 0.156 301.70 1945.26 0.156 293.94 1946.26 0.160 286.38 1947.26 0.165 279.21 1948.26 0.173 272.58 1949.26 0.182 266.57 1950.26 0.193 261.19 1951.26 0.204 256.40 1952.26 0.217 252.15 1953.26 0.230 248.39 1954.26 0.244 245.03 1955.26 0.258 242.04 1956.26 0.272 239.36 1957.26 0.286 236.94 1958.26 0.300 234.74 1959.26 0.314 232.74 1960.26 0.327 230.90 1961.26 0.340 229.21 1962.26 0.353 227.64 1963.26 0.365 226.18 1964.26 0.377 224.81 1965.26 0.388 223.52 1966.26 0.398 222.30 1967.26 0.408 221.15 1968.26 0.418 220.04 1969.26 0.427 218.99 1970.26 0.435 217.97 1971.26 0.442 217.00 1972.26 0.449 216.05 1973.26 0.456 215.13 1974.26 0.461 214.23 1975.26 0.466 213.36 1976.26 0.470 212.50 1977.26 0.474 211.65 1978.26 0.476 210.82 1979.26 0.479 209.99 1980.26 0.480 209.17 1981.26 0.481 208.36 1982.26 0.481 207.55 1983.26 0.481 206.73 1984.26 0.480 205.92 1985.26 0.478 205.10 1986.26 0.476 204.27 1987.26 0.473 203.43 1988.26 0.470 202.58 1989.26 0.466 201.72 1990.26 0.461 200.85 1991.26 0.456 199.95 1992.26 0.451 199.04 1993.26 0.445 198.10 1994.26 0.439 197.14 1995.26 0.432 196.14 1996.26 0.425 195.12 1997.26 0.417 194.05 1998.26 0.409 192.95 1999.26 0.401 191.80 2000.26 0.392 190.61 2001.26 0.384 189.36 2002.26 0.374 188.05 2003.26 0.365 186.67 2004.26 0.356 185.22 2005.26 0.346 183.69 2006.26 0.336 182.07 2007.26 0.326 180.35 2008.26 0.316 178.53 2009.26 0.307 176.59 2010.26 0.297 174.52 2011.26 0.287 172.31 2012.26 0.277 169.94 2013.26 0.268 167.41 2014.26 0.259 164.70 2015.26 0.250 161.79 2016.26 0.242 158.68 2017.26 0.234 155.36 2018.26 0.227 151.82 2019.26 0.221 148.06 2020.26 0.215 144.09 2021.26 0.210 139.93 2022.26 0.206 135.59 2023.26 0.204 131.11 2024.26 0.202 126.53 2025.26 0.201 121.90 2026.26 0.202 117.26 2027.26 0.204 112.68 2028.26 0.206 108.20 2029.26 0.210 103.86 2030.26 0.215 99.69 2031.26 0.221 95.71 2032.26 0.227 91.95 2033.26 0.234 88.41 2034.26 0.242 85.09 2035.26 0.250 81.98 2036.26 0.259 79.07 2037.26 0.268 76.37 2038.26 0.278 73.84 2039.26 0.287 71.48 2040.26 0.297 69.28 2041.26 0.307 67.22 2042.26 0.318 65.29 2043.26 0.328 63.48 2044.26 0.338 61.78 2045.26 0.348 60.18 2046.26 0.358 58.67 2047.26 0.368 57.25 2048.26 0.378 55.90 2049.26 0.388 54.61 2050.26 0.397 53.39 2051.26 0.407 52.23 2052.26 0.416 51.11 2053.26 0.425 50.05 2054.26 0.433 49.02 2055.26 0.441 48.04 2056.26 0.449 47.09 2057.26 0.457 46.17 2058.26 0.464 45.29 2059.26 0.471 44.43 2060.26 0.478 43.59 2061.26 0.484 42.78 2062.26 0.490 41.98 2063.26 0.495 41.21 2064.26 0.500 40.45 2065.26 0.505 39.70 2066.26 0.509 38.97 2067.26 0.512 38.25 2068.26 0.516 37.54 2069.26 0.518 36.83 2070.26 0.520 36.13 2071.26 0.522 35.44 2072.26 0.523 34.75 2073.26 0.524 34.06 2074.26 0.524 33.38 2075.26 0.523 32.69 2076.26 0.522 32.00 2077.26 0.520 31.31 2078.26 0.518 30.61 2079.26 0.515 29.91 2080.26 0.512 29.19 2081.26 0.508 28.47 2082.26 0.504 27.73 2083.26 0.499 26.98 2084.26 0.493 26.22 2085.26 0.487 25.43 2086.26 0.480 24.63 2087.26 0.473 23.80 2088.26 0.465 22.94 2089.26 0.456 22.05 2090.26 0.447 21.13 2091.26 0.437 20.17 2092.26 0.427 19.16 2093.26 0.416 18.10 2094.26 0.405 16.99 2095.26 0.394 15.81 2096.26 0.381 14.55 2097.26 0.369 13.21 2098.26 0.356 11.78 2099.26 0.343 10.24 2100.26 0.329 8.57 2101.26 0.315 6.75 2102.26 0.301 4.77 2103.26 0.287 2.59 2104.26 0.272 0.18 2105.26 0.258 357.50 2106.26 0.244 354.51 2107.26 0.230 351.16 2108.26 0.217 347.39 2109.26 0.204 343.13 2110.26 0.192 338.33
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:48:45 |