| WDS: | BU870AB | WDS ID/Discoverer |
| P: | 184.900 | Orbital period (years) |
| a: | 0.911 | Semi-major axis (arcseconds) |
| i: | 133.3 | Inclination (degrees) |
| Ω: | 125.4 | Longitude of ascending node (degrees) |
| T: | 2021.800 | Epoch of periastron passage (year) |
| e: | 0.794 | Eccentricity |
| ω: | 269.5 | Longitude of periastron (degrees) |
| Start-Year: | 1932.55 | Year |
| End-Year: | 2117.45 | Year |
| Epoch: | 2026.5 | Besselian Epoch |
Further data from the WDS Sixth Catalog of Orbits for BU870AB |
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| Position: | 014417.96+573211.8 | Epoch-2000 right ascension and declination |
| WDS-ID: | 01443+5732 | WDS designation |
| Discoverer Code: | BU870AB | Discover designation and components |
| ADS number: | 1359 | Aitken Double Star catalog |
| HD number: | 10543 | HD catalog number |
| Hipparcos number: | 8115 | Hipparcos catalog number |
| V1: | 6.29 | Magnitude of the primary |
| V2: | 8.68 | Magnitude of the secondary |
| Equinox: | Equinox | |
| Date: | 2010 | 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: | Zas2017 | 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 0.323 127.75 -------------------------- 1932.55 1.120 34.41 1933.55 1.119 33.87 1934.55 1.119 33.34 1935.55 1.118 32.80 1936.55 1.117 32.26 1937.55 1.116 31.72 1938.55 1.115 31.18 1939.55 1.114 30.63 1940.55 1.112 30.09 1941.55 1.111 29.55 1942.55 1.109 29.00 1943.55 1.107 28.45 1944.55 1.105 27.90 1945.55 1.103 27.35 1946.55 1.101 26.79 1947.55 1.099 26.23 1948.55 1.096 25.68 1949.55 1.093 25.11 1950.55 1.091 24.55 1951.55 1.088 23.98 1952.55 1.085 23.41 1953.55 1.082 22.84 1954.55 1.078 22.26 1955.55 1.075 21.68 1956.55 1.071 21.09 1957.55 1.068 20.50 1958.55 1.064 19.91 1959.55 1.060 19.31 1960.55 1.055 18.71 1961.55 1.051 18.10 1962.55 1.047 17.49 1963.55 1.042 16.87 1964.55 1.037 16.25 1965.55 1.032 15.62 1966.55 1.027 14.98 1967.55 1.022 14.34 1968.55 1.016 13.69 1969.55 1.011 13.04 1970.55 1.005 12.38 1971.55 0.999 11.70 1972.55 0.993 11.02 1973.55 0.986 10.34 1974.55 0.980 9.64 1975.55 0.973 8.93 1976.55 0.966 8.22 1977.55 0.959 7.49 1978.55 0.952 6.75 1979.55 0.944 6.00 1980.55 0.936 5.24 1981.55 0.928 4.46 1982.55 0.920 3.67 1983.55 0.911 2.87 1984.55 0.902 2.05 1985.55 0.893 1.22 1986.55 0.884 0.36 1987.55 0.874 359.49 1988.55 0.865 358.60 1989.55 0.854 357.69 1990.55 0.844 356.75 1991.55 0.833 355.80 1992.55 0.822 354.81 1993.55 0.810 353.80 1994.55 0.798 352.76 1995.55 0.786 351.69 1996.55 0.773 350.58 1997.55 0.760 349.43 1998.55 0.746 348.24 1999.55 0.732 347.01 2000.55 0.718 345.73 2001.55 0.702 344.39 2002.55 0.686 343.00 2003.55 0.670 341.53 2004.55 0.653 339.99 2005.55 0.634 338.36 2006.55 0.616 336.64 2007.55 0.596 334.80 2008.55 0.575 332.84 2009.55 0.552 330.71 2010.55 0.529 328.41 2011.55 0.504 325.88 2012.55 0.477 323.08 2013.55 0.448 319.94 2014.55 0.417 316.34 2015.55 0.383 312.13 2016.55 0.346 307.05 2017.55 0.304 300.65 2018.55 0.259 292.11 2019.55 0.209 279.68 2020.55 0.161 259.54 2021.55 0.130 226.21 2022.55 0.141 187.42 2023.55 0.183 160.81 2024.55 0.233 145.02 2025.55 0.281 134.77 2026.55 0.325 127.43 2027.55 0.365 121.77 2028.55 0.401 117.18 2029.55 0.434 113.32 2030.55 0.465 109.98 2031.55 0.493 107.04 2032.55 0.519 104.41 2033.55 0.544 102.02 2034.55 0.567 99.84 2035.55 0.589 97.82 2036.55 0.609 95.94 2037.55 0.629 94.18 2038.55 0.648 92.53 2039.55 0.666 90.97 2040.55 0.683 89.48 2041.55 0.699 88.07 2042.55 0.715 86.72 2043.55 0.730 85.43 2044.55 0.744 84.19 2045.55 0.758 83.00 2046.55 0.772 81.85 2047.55 0.785 80.74 2048.55 0.798 79.66 2049.55 0.810 78.62 2050.55 0.822 77.61 2051.55 0.833 76.62 2052.55 0.844 75.67 2053.55 0.855 74.73 2054.55 0.865 73.82 2055.55 0.875 72.93 2056.55 0.885 72.06 2057.55 0.894 71.21 2058.55 0.904 70.38 2059.55 0.913 69.56 2060.55 0.921 68.76 2061.55 0.930 67.97 2062.55 0.938 67.20 2063.55 0.946 66.44 2064.55 0.953 65.69 2065.55 0.961 64.96 2066.55 0.968 64.23 2067.55 0.975 63.52 2068.55 0.982 62.81 2069.55 0.988 62.12 2070.55 0.995 61.43 2071.55 1.001 60.76 2072.55 1.007 60.09 2073.55 1.013 59.43 2074.55 1.018 58.78 2075.55 1.024 58.13 2076.55 1.029 57.49 2077.55 1.034 56.86 2078.55 1.039 56.23 2079.55 1.044 55.61 2080.55 1.049 54.99 2081.55 1.053 54.38 2082.55 1.057 53.78 2083.55 1.062 53.18 2084.55 1.066 52.58 2085.55 1.069 51.99 2086.55 1.073 51.41 2087.55 1.077 50.82 2088.55 1.080 50.24 2089.55 1.083 49.67 2090.55 1.086 49.10 2091.55 1.089 48.53 2092.55 1.092 47.96 2093.55 1.095 47.40 2094.55 1.097 46.84 2095.55 1.100 46.28 2096.55 1.102 45.72 2097.55 1.104 45.17 2098.55 1.106 44.62 2099.55 1.108 44.07 2100.55 1.110 43.52 2101.55 1.112 42.97 2102.55 1.113 42.43 2103.55 1.114 41.89 2104.55 1.116 41.35 2105.55 1.117 40.80 2106.55 1.118 40.26 2107.55 1.119 39.73 2108.55 1.119 39.19 2109.55 1.120 38.65 2110.55 1.120 38.11 2111.55 1.121 37.58 2112.55 1.121 37.04 2113.55 1.121 36.50 2114.55 1.121 35.97 2115.55 1.121 35.43 2116.55 1.120 34.90
| Double Star Calculator: | Version 1.2 ($Rev: 2397 $) |
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| Report created: |
2026-06-25 14:53:18 |