| WDS: | BU1251AB | WDS ID/Discoverer |
| P: | 146.900 | Orbital period (years) |
| a: | 1.11 | Semi-major axis (arcseconds) |
| i: | 151.2 | Inclination (degrees) |
| Ω: | 7.1 | Longitude of ascending node (degrees) |
| T: | 1948.190 | Epoch of periastron passage (year) |
| e: | 0.495 | Eccentricity |
| ω: | 90.9 | Longitude of periastron (degrees) |
| Start-Year: | 1951.55 | Year |
| End-Year: | 2098.45 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU1251AB |
||
| Position: | 174158.64+155707.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 17420+1557 | WDS designation |
| Discoverer Code: | BU1251AB | Discover designation and components |
| ADS number: | 10723 | Aitken Double Star catalog |
| HD number: | 160910 | HD catalog number |
| Hipparcos number: | 86623 | Hipparcos catalog number |
| V1: | 5.59 | Magnitude of the primary |
| V2: | 9.38 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2024 | Date of last observation |
| Orbit grade: | 4 | Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate |
| Flags: | n | Flags |
| Ephemerides: | Ephemerides | |
| Code: | Sca2025a | 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 1.452 90.78 -------------------------- 1951.55 0.527 245.58 1952.55 0.549 237.63 1953.55 0.574 230.32 1954.55 0.601 223.64 1955.55 0.630 217.56 1956.55 0.659 212.02 1957.55 0.689 206.96 1958.55 0.719 202.31 1959.55 0.748 198.04 1960.55 0.777 194.08 1961.55 0.805 190.41 1962.55 0.833 186.98 1963.55 0.859 183.76 1964.55 0.885 180.74 1965.55 0.910 177.89 1966.55 0.934 175.18 1967.55 0.957 172.61 1968.55 0.979 170.16 1969.55 1.001 167.81 1970.55 1.022 165.56 1971.55 1.042 163.41 1972.55 1.061 161.33 1973.55 1.080 159.32 1974.55 1.098 157.38 1975.55 1.115 155.51 1976.55 1.132 153.68 1977.55 1.148 151.92 1978.55 1.164 150.20 1979.55 1.179 148.52 1980.55 1.193 146.88 1981.55 1.207 145.29 1982.55 1.220 143.73 1983.55 1.233 142.20 1984.55 1.246 140.70 1985.55 1.258 139.24 1986.55 1.269 137.80 1987.55 1.280 136.38 1988.55 1.291 134.99 1989.55 1.301 133.62 1990.55 1.311 132.28 1991.55 1.321 130.95 1992.55 1.330 129.64 1993.55 1.338 128.35 1994.55 1.347 127.07 1995.55 1.355 125.81 1996.55 1.362 124.57 1997.55 1.370 123.33 1998.55 1.377 122.12 1999.55 1.383 120.91 2000.55 1.390 119.71 2001.55 1.396 118.53 2002.55 1.401 117.35 2003.55 1.407 116.19 2004.55 1.412 115.03 2005.55 1.417 113.88 2006.55 1.421 112.74 2007.55 1.425 111.60 2008.55 1.429 110.47 2009.55 1.433 109.35 2010.55 1.436 108.23 2011.55 1.439 107.12 2012.55 1.442 106.01 2013.55 1.444 104.91 2014.55 1.447 103.81 2015.55 1.448 102.71 2016.55 1.450 101.62 2017.55 1.451 100.53 2018.55 1.453 99.44 2019.55 1.453 98.35 2020.55 1.454 97.26 2021.55 1.454 96.17 2022.55 1.454 95.08 2023.55 1.454 94.00 2024.55 1.453 92.91 2025.55 1.453 91.82 2026.55 1.452 90.73 2027.55 1.450 89.64 2028.55 1.448 88.54 2029.55 1.447 87.45 2030.55 1.444 86.35 2031.55 1.442 85.24 2032.55 1.439 84.13 2033.55 1.436 83.02 2034.55 1.433 81.90 2035.55 1.429 80.78 2036.55 1.425 79.65 2037.55 1.421 78.52 2038.55 1.416 77.37 2039.55 1.411 76.22 2040.55 1.406 75.07 2041.55 1.401 73.90 2042.55 1.395 72.72 2043.55 1.389 71.54 2044.55 1.382 70.34 2045.55 1.376 69.13 2046.55 1.369 67.91 2047.55 1.361 66.67 2048.55 1.353 65.43 2049.55 1.345 64.16 2050.55 1.336 62.88 2051.55 1.327 61.59 2052.55 1.318 60.27 2053.55 1.308 58.94 2054.55 1.298 57.59 2055.55 1.288 56.21 2056.55 1.277 54.81 2057.55 1.265 53.39 2058.55 1.253 51.94 2059.55 1.241 50.46 2060.55 1.228 48.95 2061.55 1.214 47.41 2062.55 1.201 45.83 2063.55 1.186 44.22 2064.55 1.171 42.56 2065.55 1.155 40.87 2066.55 1.139 39.12 2067.55 1.122 37.32 2068.55 1.105 35.47 2069.55 1.087 33.55 2070.55 1.068 31.57 2071.55 1.049 29.52 2072.55 1.028 27.39 2073.55 1.007 25.17 2074.55 0.986 22.86 2075.55 0.963 20.44 2076.55 0.940 17.90 2077.55 0.915 15.22 2078.55 0.890 12.40 2079.55 0.864 9.41 2080.55 0.837 6.24 2081.55 0.810 2.85 2082.55 0.781 359.21 2083.55 0.752 355.30 2084.55 0.722 351.07 2085.55 0.692 346.48 2086.55 0.662 341.46 2087.55 0.633 335.98 2088.55 0.604 329.95 2089.55 0.576 323.33 2090.55 0.551 316.08 2091.55 0.529 308.18 2092.55 0.511 299.65 2093.55 0.498 290.61 2094.55 0.492 281.21 2095.55 0.492 271.70 2096.55 0.499 262.31 2097.55 0.511 253.27
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 17:42:06 |