Double Star Calculator - Orbit

Orbital Elements for BU533AB
WDS: BU533AB WDS ID/Discoverer
P: 463.000 Orbital period (years)
a: 0.992 Semi-major axis (arcseconds)
i: 94.8 Inclination (degrees)
Ω: 42.7 Longitude of ascending node (degrees)
T: 1776.600 Epoch of periastron passage (year)
e: 0.11 Eccentricity
ω: 15.3 Longitude of periastron (degrees)
Start-Year: 1793.5 Year
End-Year: 2256.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU533AB
Position: 033537.81+314048.7 Epoch-2000 right ascension and declination
WDS-ID: 03356+3141 WDS designation
Discoverer Code: BU533AB Discover designation and components
ADS number: 2628 Aitken Double Star catalog
HD number: 22195 HD catalog number
Hipparcos number: 16757 Hipparcos catalog number
V1: 7.55 Magnitude of the primary
V2: 7.74 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Zir2015a Reference

Double Star Orbit for BU533AB



WDS 6th Orbit including measures of BU533AB

-- Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements) --


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of BU533AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.981   220.27
--------------------------
1793.50    0.755    39.74
1794.50    0.747    39.62
1795.50    0.740    39.51
1796.50    0.732    39.39
1797.50    0.724    39.27
1798.50    0.715    39.15
1799.50    0.707    39.02
1800.50    0.698    38.89
1801.50    0.689    38.76
1802.50    0.680    38.63
1803.50    0.671    38.49
1804.50    0.662    38.34
1805.50    0.652    38.20
1806.50    0.643    38.04
1807.50    0.633    37.89
1808.50    0.623    37.73
1809.50    0.613    37.56
1810.50    0.603    37.39
1811.50    0.592    37.21
1812.50    0.582    37.02
1813.50    0.571    36.83
1814.50    0.560    36.63
1815.50    0.549    36.43
1816.50    0.538    36.21
1817.50    0.527    35.99
1818.50    0.516    35.75
1819.50    0.504    35.51
1820.50    0.493    35.25
1821.50    0.481    34.98
1822.50    0.469    34.70
1823.50    0.457    34.40
1824.50    0.445    34.09
1825.50    0.433    33.76
1826.50    0.421    33.41
1827.50    0.409    33.04
1828.50    0.397    32.65
1829.50    0.384    32.23
1830.50    0.372    31.79
1831.50    0.359    31.31
1832.50    0.347    30.80
1833.50    0.334    30.25
1834.50    0.321    29.66
1835.50    0.309    29.01
1836.50    0.296    28.32
1837.50    0.283    27.56
1838.50    0.270    26.73
1839.50    0.258    25.81
1840.50    0.245    24.81
1841.50    0.232    23.69
1842.50    0.220    22.44
1843.50    0.207    21.04
1844.50    0.194    19.46
1845.50    0.182    17.66
1846.50    0.170    15.60
1847.50    0.158    13.23
1848.50    0.146    10.47
1849.50    0.135     7.24
1850.50    0.124     3.43
1851.50    0.114   358.92
1852.50    0.104   353.54
1853.50    0.096   347.17
1854.50    0.089   339.69
1855.50    0.084   331.12
1856.50    0.081   321.64
1857.50    0.080   311.68
1858.50    0.081   301.81
1859.50    0.085   292.57
1860.50    0.091   284.32
1861.50    0.098   277.18
1862.50    0.107   271.12
1863.50    0.117   266.03
1864.50    0.127   261.74
1865.50    0.138   258.12
1866.50    0.150   255.04
1867.50    0.162   252.41
1868.50    0.174   250.14
1869.50    0.186   248.17
1870.50    0.198   246.44
1871.50    0.211   244.92
1872.50    0.224   243.57
1873.50    0.236   242.37
1874.50    0.249   241.29
1875.50    0.262   240.31
1876.50    0.275   239.43
1877.50    0.287   238.62
1878.50    0.300   237.88
1879.50    0.313   237.21
1880.50    0.326   236.58
1881.50    0.339   236.01
1882.50    0.351   235.47
1883.50    0.364   234.97
1884.50    0.377   234.51
1885.50    0.389   234.08
1886.50    0.402   233.67
1887.50    0.414   233.29
1888.50    0.427   232.93
1889.50    0.439   232.59
1890.50    0.452   232.27
1891.50    0.464   231.96
1892.50    0.476   231.67
1893.50    0.488   231.40
1894.50    0.500   231.14
1895.50    0.512   230.89
1896.50    0.524   230.65
1897.50    0.536   230.43
1898.50    0.547   230.21
1899.50    0.559   230.00
1900.50    0.571   229.80
1901.50    0.582   229.61
1902.50    0.593   229.43
1903.50    0.605   229.25
1904.50    0.616   229.08
1905.50    0.627   228.91
1906.50    0.638   228.75
1907.50    0.649   228.60
1908.50    0.659   228.45
1909.50    0.670   228.31
1910.50    0.681   228.17
1911.50    0.691   228.03
1912.50    0.701   227.90
1913.50    0.712   227.77
1914.50    0.722   227.65
1915.50    0.732   227.53
1916.50    0.741   227.41
1917.50    0.751   227.30
1918.50    0.761   227.19
1919.50    0.770   227.08
1920.50    0.780   226.97
1921.50    0.789   226.87
1922.50    0.798   226.77
1923.50    0.807   226.67
1924.50    0.816   226.57
1925.50    0.825   226.48
1926.50    0.834   226.39
1927.50    0.842   226.29
1928.50    0.850   226.21
1929.50    0.859   226.12
1930.50    0.867   226.03
1931.50    0.875   225.95
1932.50    0.883   225.87
1933.50    0.890   225.79
1934.50    0.898   225.71
1935.50    0.906   225.63
1936.50    0.913   225.55
1937.50    0.920   225.48
1938.50    0.927   225.40
1939.50    0.934   225.33
1940.50    0.941   225.25
1941.50    0.948   225.18
1942.50    0.954   225.11
1943.50    0.960   225.04
1944.50    0.967   224.97
1945.50    0.973   224.91
1946.50    0.979   224.84
1947.50    0.984   224.77
1948.50    0.990   224.71
1949.50    0.996   224.64
1950.50    1.001   224.58
1951.50    1.006   224.52
1952.50    1.011   224.45
1953.50    1.016   224.39
1954.50    1.021   224.33
1955.50    1.026   224.27
1956.50    1.030   224.21
1957.50    1.035   224.15
1958.50    1.039   224.09
1959.50    1.043   224.03
1960.50    1.047   223.97
1961.50    1.051   223.92
1962.50    1.054   223.86
1963.50    1.058   223.80
1964.50    1.061   223.75
1965.50    1.064   223.69
1966.50    1.067   223.63
1967.50    1.070   223.58
1968.50    1.073   223.52
1969.50    1.076   223.47
1970.50    1.078   223.41
1971.50    1.080   223.36
1972.50    1.082   223.30
1973.50    1.084   223.25
1974.50    1.086   223.19
1975.50    1.088   223.14
1976.50    1.090   223.09
1977.50    1.091   223.03
1978.50    1.092   222.98
1979.50    1.093   222.93
1980.50    1.094   222.87
1981.50    1.095   222.82
1982.50    1.096   222.77
1983.50    1.096   222.71
1984.50    1.097   222.66
1985.50    1.097   222.61
1986.50    1.097   222.56
1987.50    1.097   222.50
1988.50    1.097   222.45
1989.50    1.096   222.40
1990.50    1.096   222.34
1991.50    1.095   222.29
1992.50    1.094   222.24
1993.50    1.093   222.18
1994.50    1.092   222.13
1995.50    1.091   222.08
1996.50    1.089   222.02
1997.50    1.088   221.97
1998.50    1.086   221.92
1999.50    1.084   221.86
2000.50    1.082   221.81
2001.50    1.080   221.75
2002.50    1.078   221.70
2003.50    1.075   221.64
2004.50    1.073   221.59
2005.50    1.070   221.53
2006.50    1.067   221.48
2007.50    1.064   221.42
2008.50    1.061   221.37
2009.50    1.058   221.31
2010.50    1.054   221.25
2011.50    1.051   221.19
2012.50    1.047   221.14
2013.50    1.043   221.08
2014.50    1.039   221.02
2015.50    1.035   220.96
2016.50    1.031   220.90
2017.50    1.026   220.84
2018.50    1.022   220.78
2019.50    1.017   220.72
2020.50    1.012   220.66
2021.50    1.007   220.60
2022.50    1.002   220.53
2023.50    0.997   220.47
2024.50    0.992   220.40
2025.50    0.986   220.34
2026.50    0.981   220.27
2027.50    0.975   220.21
2028.50    0.969   220.14
2029.50    0.963   220.07
2030.50    0.957   220.00
2031.50    0.951   219.93
2032.50    0.944   219.86
2033.50    0.938   219.79
2034.50    0.931   219.72
2035.50    0.924   219.64
2036.50    0.917   219.57
2037.50    0.910   219.49
2038.50    0.903   219.41
2039.50    0.896   219.34
2040.50    0.889   219.26
2041.50    0.881   219.17
2042.50    0.873   219.09
2043.50    0.866   219.01
2044.50    0.858   218.92
2045.50    0.850   218.83
2046.50    0.842   218.75
2047.50    0.834   218.65
2048.50    0.825   218.56
2049.50    0.817   218.47
2050.50    0.808   218.37
2051.50    0.800   218.27
2052.50    0.791   218.17
2053.50    0.782   218.07
2054.50    0.773   217.96
2055.50    0.764   217.86
2056.50    0.755   217.75
2057.50    0.745   217.63
2058.50    0.736   217.52
2059.50    0.726   217.40
2060.50    0.717   217.28
2061.50    0.707   217.15
2062.50    0.697   217.02
2063.50    0.687   216.89
2064.50    0.677   216.75
2065.50    0.667   216.61
2066.50    0.657   216.46
2067.50    0.647   216.32
2068.50    0.636   216.16
2069.50    0.626   216.00
2070.50    0.615   215.84
2071.50    0.605   215.66
2072.50    0.594   215.49
2073.50    0.583   215.30
2074.50    0.572   215.11
2075.50    0.561   214.91
2076.50    0.550   214.71
2077.50    0.539   214.49
2078.50    0.528   214.27
2079.50    0.517   214.04
2080.50    0.505   213.79
2081.50    0.494   213.54
2082.50    0.483   213.27
2083.50    0.471   212.99
2084.50    0.460   212.70
2085.50    0.448   212.39
2086.50    0.436   212.06
2087.50    0.424   211.72
2088.50    0.413   211.36
2089.50    0.401   210.97
2090.50    0.389   210.56
2091.50    0.377   210.13
2092.50    0.365   209.67
2093.50    0.353   209.17
2094.50    0.341   208.65
2095.50    0.329   208.08
2096.50    0.317   207.47
2097.50    0.305   206.81
2098.50    0.293   206.10
2099.50    0.281   205.33
2100.50    0.269   204.48
2101.50    0.257   203.56
2102.50    0.245   202.55
2103.50    0.233   201.43
2104.50    0.221   200.19
2105.50    0.209   198.82
2106.50    0.197   197.27
2107.50    0.186   195.54
2108.50    0.174   193.57
2109.50    0.163   191.34
2110.50    0.152   188.77
2111.50    0.142   185.82
2112.50    0.131   182.39
2113.50    0.122   178.40
2114.50    0.113   173.75
2115.50    0.104   168.32
2116.50    0.097   162.04
2117.50    0.091   154.88
2118.50    0.087   146.88
2119.50    0.085   138.26
2120.50    0.085   129.37
2121.50    0.086   120.60
2122.50    0.090   112.34
2123.50    0.095   104.86
2124.50    0.102    98.25
2125.50    0.109    92.51
2126.50    0.118    87.59
2127.50    0.128    83.36
2128.50    0.138    79.74
2129.50    0.148    76.62
2130.50    0.159    73.91
2131.50    0.170    71.56
2132.50    0.181    69.50
2133.50    0.193    67.68
2134.50    0.205    66.07
2135.50    0.216    64.64
2136.50    0.228    63.35
2137.50    0.240    62.19
2138.50    0.252    61.13
2139.50    0.264    60.18
2140.50    0.276    59.31
2141.50    0.288    58.51
2142.50    0.300    57.77
2143.50    0.312    57.09
2144.50    0.324    56.46
2145.50    0.336    55.88
2146.50    0.348    55.33
2147.50    0.360    54.82
2148.50    0.372    54.35
2149.50    0.383    53.90
2150.50    0.395    53.48
2151.50    0.407    53.08
2152.50    0.418    52.71
2153.50    0.430    52.36
2154.50    0.441    52.02
2155.50    0.453    51.70
2156.50    0.464    51.40
2157.50    0.475    51.11
2158.50    0.486    50.83
2159.50    0.497    50.57
2160.50    0.508    50.32
2161.50    0.519    50.08
2162.50    0.530    49.85
2163.50    0.540    49.62
2164.50    0.551    49.41
2165.50    0.561    49.21
2166.50    0.572    49.01
2167.50    0.582    48.82
2168.50    0.592    48.63
2169.50    0.602    48.45
2170.50    0.612    48.28
2171.50    0.622    48.11
2172.50    0.631    47.95
2173.50    0.641    47.79
2174.50    0.650    47.64
2175.50    0.659    47.49
2176.50    0.668    47.35
2177.50    0.677    47.21
2178.50    0.686    47.07
2179.50    0.694    46.93
2180.50    0.703    46.80
2181.50    0.711    46.68
2182.50    0.719    46.55
2183.50    0.727    46.43
2184.50    0.735    46.31
2185.50    0.742    46.19
2186.50    0.750    46.08
2187.50    0.757    45.97
2188.50    0.764    45.86
2189.50    0.771    45.75
2190.50    0.778    45.64
2191.50    0.784    45.54
2192.50    0.790    45.44
2193.50    0.797    45.34
2194.50    0.803    45.24
2195.50    0.808    45.14
2196.50    0.814    45.04
2197.50    0.819    44.95
2198.50    0.825    44.85
2199.50    0.830    44.76
2200.50    0.834    44.67
2201.50    0.839    44.58
2202.50    0.843    44.49
2203.50    0.848    44.40
2204.50    0.852    44.31
2205.50    0.855    44.22
2206.50    0.859    44.14
2207.50    0.862    44.05
2208.50    0.865    43.96
2209.50    0.868    43.88
2210.50    0.871    43.80
2211.50    0.874    43.71
2212.50    0.876    43.63
2213.50    0.878    43.55
2214.50    0.880    43.46
2215.50    0.881    43.38
2216.50    0.883    43.30
2217.50    0.884    43.22
2218.50    0.885    43.14
2219.50    0.886    43.06
2220.50    0.886    42.97
2221.50    0.886    42.89
2222.50    0.886    42.81
2223.50    0.886    42.73
2224.50    0.886    42.65
2225.50    0.885    42.57
2226.50    0.884    42.49
2227.50    0.883    42.41
2228.50    0.882    42.32
2229.50    0.880    42.24
2230.50    0.878    42.16
2231.50    0.876    42.08
2232.50    0.874    41.99
2233.50    0.872    41.91
2234.50    0.869    41.83
2235.50    0.866    41.74
2236.50    0.863    41.66
2237.50    0.860    41.57
2238.50    0.856    41.48
2239.50    0.852    41.40
2240.50    0.848    41.31
2241.50    0.844    41.22
2242.50    0.839    41.13
2243.50    0.835    41.04
2244.50    0.830    40.95
2245.50    0.825    40.86
2246.50    0.819    40.76
2247.50    0.814    40.67
2248.50    0.808    40.57
2249.50    0.802    40.47
2250.50    0.796    40.37
2251.50    0.790    40.27
2252.50    0.783    40.17
2253.50    0.776    40.06
2254.50    0.769    39.96
2255.50    0.762    39.85






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:12:34



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