Double Star Calculator - Orbit

Orbital Elements for BU453AB
WDS: BU453AB WDS ID/Discoverer
P: 576.430 Orbital period (years)
a: 1.098 Semi-major axis (arcseconds)
i: 31.4 Inclination (degrees)
Ω: 18.6 Longitude of ascending node (degrees)
T: 1953.800 Epoch of periastron passage (year)
e: 0.657 Eccentricity
ω: 332.7 Longitude of periastron (degrees)
Start-Year: 1736.785 Year
End-Year: 2313.215 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU453AB
Position: 014500.71+570700.3 Epoch-2000 right ascension and declination
WDS-ID: 01450+5707 WDS designation
Discoverer Code: BU453AB Discover designation and components
ADS number: 1371 Aitken Double Star catalog
HD number: 236857 HD catalog number
Hipparcos number: 8166 Hipparcos catalog number
V1: 10.04 Magnitude of the primary
V2: 10.45 Magnitude of the secondary
Equinox: Equinox
Date: 2020 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: Lin2022b Reference

Double Star Orbit for BU453AB



WDS 6th Orbit including measures of BU453AB

-- 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 BU453AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.863   118.02
--------------------------
1736.79    1.724   185.96
1737.79    1.722   186.12
1738.79    1.720   186.29
1739.79    1.718   186.45
1740.79    1.716   186.62
1741.79    1.714   186.78
1742.79    1.712   186.95
1743.79    1.710   187.11
1744.79    1.708   187.28
1745.79    1.706   187.44
1746.79    1.704   187.61
1747.79    1.701   187.78
1748.79    1.699   187.95
1749.79    1.697   188.11
1750.79    1.694   188.28
1751.79    1.692   188.45
1752.79    1.689   188.62
1753.79    1.687   188.79
1754.79    1.684   188.96
1755.79    1.682   189.13
1756.79    1.679   189.30
1757.79    1.676   189.48
1758.79    1.674   189.65
1759.79    1.671   189.82
1760.79    1.668   190.00
1761.79    1.665   190.17
1762.79    1.662   190.34
1763.79    1.660   190.52
1764.79    1.657   190.70
1765.79    1.654   190.87
1766.79    1.651   191.05
1767.79    1.648   191.23
1768.79    1.644   191.41
1769.79    1.641   191.59
1770.79    1.638   191.77
1771.79    1.635   191.95
1772.79    1.632   192.13
1773.79    1.628   192.31
1774.79    1.625   192.50
1775.79    1.622   192.68
1776.79    1.618   192.86
1777.79    1.615   193.05
1778.79    1.611   193.24
1779.79    1.607   193.42
1780.79    1.604   193.61
1781.79    1.600   193.80
1782.79    1.596   193.99
1783.79    1.593   194.18
1784.79    1.589   194.37
1785.79    1.585   194.56
1786.79    1.581   194.76
1787.79    1.577   194.95
1788.79    1.573   195.15
1789.79    1.569   195.34
1790.79    1.565   195.54
1791.79    1.561   195.74
1792.79    1.557   195.94
1793.79    1.553   196.14
1794.79    1.549   196.34
1795.79    1.544   196.54
1796.79    1.540   196.75
1797.79    1.535   196.95
1798.79    1.531   197.16
1799.79    1.527   197.36
1800.79    1.522   197.57
1801.79    1.517   197.78
1802.79    1.513   197.99
1803.79    1.508   198.21
1804.79    1.503   198.42
1805.79    1.499   198.63
1806.79    1.494   198.85
1807.79    1.489   199.07
1808.79    1.484   199.29
1809.79    1.479   199.51
1810.79    1.474   199.73
1811.79    1.469   199.95
1812.79    1.464   200.18
1813.79    1.459   200.41
1814.79    1.454   200.64
1815.79    1.448   200.87
1816.79    1.443   201.10
1817.79    1.438   201.33
1818.79    1.432   201.57
1819.79    1.427   201.80
1820.79    1.421   202.04
1821.79    1.416   202.28
1822.79    1.410   202.53
1823.79    1.404   202.77
1824.79    1.399   203.02
1825.79    1.393   203.27
1826.79    1.387   203.52
1827.79    1.381   203.77
1828.79    1.375   204.03
1829.79    1.369   204.28
1830.79    1.363   204.54
1831.79    1.357   204.80
1832.79    1.351   205.07
1833.79    1.344   205.34
1834.79    1.338   205.60
1835.79    1.332   205.88
1836.79    1.325   206.15
1837.79    1.319   206.43
1838.79    1.312   206.71
1839.79    1.306   206.99
1840.79    1.299   207.28
1841.79    1.292   207.56
1842.79    1.286   207.86
1843.79    1.279   208.15
1844.79    1.272   208.45
1845.79    1.265   208.75
1846.79    1.258   209.05
1847.79    1.251   209.36
1848.79    1.244   209.67
1849.79    1.237   209.99
1850.79    1.229   210.31
1851.79    1.222   210.63
1852.79    1.215   210.96
1853.79    1.207   211.29
1854.79    1.200   211.62
1855.79    1.192   211.96
1856.79    1.185   212.30
1857.79    1.177   212.65
1858.79    1.169   213.00
1859.79    1.161   213.36
1860.79    1.153   213.72
1861.79    1.145   214.09
1862.79    1.137   214.46
1863.79    1.129   214.84
1864.79    1.121   215.22
1865.79    1.113   215.61
1866.79    1.104   216.00
1867.79    1.096   216.40
1868.79    1.088   216.81
1869.79    1.079   217.22
1870.79    1.071   217.64
1871.79    1.062   218.07
1872.79    1.053   218.50
1873.79    1.044   218.94
1874.79    1.035   219.39
1875.79    1.026   219.85
1876.79    1.017   220.31
1877.79    1.008   220.78
1878.79    0.999   221.26
1879.79    0.990   221.75
1880.79    0.981   222.25
1881.79    0.971   222.76
1882.79    0.962   223.28
1883.79    0.952   223.81
1884.79    0.943   224.35
1885.79    0.933   224.90
1886.79    0.923   225.46
1887.79    0.913   226.04
1888.79    0.903   226.62
1889.79    0.893   227.22
1890.79    0.883   227.84
1891.79    0.873   228.47
1892.79    0.863   229.11
1893.79    0.853   229.77
1894.79    0.842   230.44
1895.79    0.832   231.13
1896.79    0.821   231.84
1897.79    0.811   232.57
1898.79    0.800   233.32
1899.79    0.789   234.08
1900.79    0.779   234.87
1901.79    0.768   235.68
1902.79    0.757   236.51
1903.79    0.746   237.37
1904.79    0.735   238.26
1905.79    0.724   239.17
1906.79    0.713   240.11
1907.79    0.702   241.07
1908.79    0.690   242.07
1909.79    0.679   243.11
1910.79    0.668   244.18
1911.79    0.657   245.28
1912.79    0.645   246.42
1913.79    0.634   247.61
1914.79    0.622   248.84
1915.79    0.611   250.11
1916.79    0.600   251.43
1917.79    0.588   252.81
1918.79    0.577   254.23
1919.79    0.566   255.72
1920.79    0.554   257.26
1921.79    0.543   258.87
1922.79    0.532   260.55
1923.79    0.521   262.30
1924.79    0.510   264.12
1925.79    0.499   266.02
1926.79    0.489   268.01
1927.79    0.478   270.08
1928.79    0.468   272.24
1929.79    0.458   274.50
1930.79    0.448   276.86
1931.79    0.439   279.33
1932.79    0.430   281.89
1933.79    0.421   284.57
1934.79    0.413   287.36
1935.79    0.405   290.26
1936.79    0.398   293.27
1937.79    0.391   296.39
1938.79    0.384   299.62
1939.79    0.379   302.95
1940.79    0.373   306.38
1941.79    0.369   309.90
1942.79    0.365   313.49
1943.79    0.362   317.16
1944.79    0.360   320.88
1945.79    0.358   324.65
1946.79    0.357   328.45
1947.79    0.356   332.26
1948.79    0.356   336.08
1949.79    0.357   339.88
1950.79    0.359   343.66
1951.79    0.361   347.41
1952.79    0.363   351.12
1953.79    0.366   354.77
1954.79    0.369   358.36
1955.79    0.372     1.89
1956.79    0.376     5.35
1957.79    0.380     8.74
1958.79    0.385    12.05
1959.79    0.389    15.29
1960.79    0.394    18.45
1961.79    0.399    21.54
1962.79    0.404    24.55
1963.79    0.409    27.49
1964.79    0.414    30.35
1965.79    0.419    33.14
1966.79    0.425    35.86
1967.79    0.430    38.51
1968.79    0.436    41.09
1969.79    0.442    43.61
1970.79    0.448    46.06
1971.79    0.454    48.45
1972.79    0.460    50.77
1973.79    0.466    53.03
1974.79    0.472    55.24
1975.79    0.478    57.38
1976.79    0.485    59.47
1977.79    0.491    61.51
1978.79    0.498    63.49
1979.79    0.505    65.42
1980.79    0.511    67.29
1981.79    0.518    69.12
1982.79    0.525    70.90
1983.79    0.532    72.63
1984.79    0.539    74.32
1985.79    0.546    75.97
1986.79    0.554    77.57
1987.79    0.561    79.13
1988.79    0.568    80.65
1989.79    0.576    82.13
1990.79    0.583    83.57
1991.79    0.591    84.98
1992.79    0.598    86.35
1993.79    0.606    87.68
1994.79    0.614    88.98
1995.79    0.621    90.26
1996.79    0.629    91.50
1997.79    0.637    92.70
1998.79    0.645    93.89
1999.79    0.652    95.04
2000.79    0.660    96.16
2001.79    0.668    97.26
2002.79    0.676    98.33
2003.79    0.684    99.38
2004.79    0.692   100.41
2005.79    0.700   101.41
2006.79    0.708   102.39
2007.79    0.715   103.34
2008.79    0.723   104.28
2009.79    0.731   105.19
2010.79    0.739   106.09
2011.79    0.747   106.97
2012.79    0.755   107.83
2013.79    0.763   108.67
2014.79    0.771   109.49
2015.79    0.779   110.30
2016.79    0.787   111.09
2017.79    0.795   111.86
2018.79    0.802   112.62
2019.79    0.810   113.37
2020.79    0.818   114.10
2021.79    0.826   114.82
2022.79    0.834   115.52
2023.79    0.842   116.21
2024.79    0.849   116.89
2025.79    0.857   117.55
2026.79    0.865   118.21
2027.79    0.872   118.85
2028.79    0.880   119.48
2029.79    0.888   120.10
2030.79    0.895   120.71
2031.79    0.903   121.31
2032.79    0.911   121.90
2033.79    0.918   122.48
2034.79    0.926   123.05
2035.79    0.933   123.61
2036.79    0.941   124.16
2037.79    0.948   124.70
2038.79    0.956   125.24
2039.79    0.963   125.76
2040.79    0.970   126.28
2041.79    0.978   126.79
2042.79    0.985   127.30
2043.79    0.992   127.79
2044.79    0.999   128.28
2045.79    1.007   128.76
2046.79    1.014   129.24
2047.79    1.021   129.71
2048.78    1.028   130.17
2049.78    1.035   130.62
2050.78    1.042   131.07
2051.78    1.049   131.51
2052.78    1.056   131.95
2053.78    1.063   132.38
2054.78    1.070   132.81
2055.78    1.077   133.23
2056.78    1.084   133.64
2057.78    1.091   134.05
2058.78    1.098   134.46
2059.78    1.104   134.86
2060.78    1.111   135.25
2061.78    1.118   135.64
2062.78    1.124   136.03
2063.78    1.131   136.41
2064.78    1.138   136.79
2065.78    1.144   137.16
2066.78    1.151   137.53
2067.78    1.157   137.89
2068.78    1.163   138.25
2069.78    1.170   138.61
2070.78    1.176   138.96
2071.78    1.183   139.31
2072.78    1.189   139.65
2073.78    1.195   139.99
2074.78    1.201   140.33
2075.78    1.208   140.66
2076.78    1.214   140.99
2077.78    1.220   141.32
2078.78    1.226   141.65
2079.78    1.232   141.97
2080.78    1.238   142.28
2081.78    1.244   142.60
2082.78    1.250   142.91
2083.78    1.256   143.22
2084.78    1.262   143.52
2085.78    1.268   143.83
2086.78    1.274   144.13
2087.78    1.279   144.42
2088.78    1.285   144.72
2089.78    1.291   145.01
2090.78    1.296   145.30
2091.78    1.302   145.59
2092.78    1.308   145.87
2093.78    1.313   146.15
2094.78    1.319   146.43
2095.78    1.324   146.71
2096.78    1.330   146.99
2097.78    1.335   147.26
2098.78    1.341   147.53
2099.78    1.346   147.80
2100.78    1.351   148.07
2101.78    1.357   148.33
2102.78    1.362   148.59
2103.78    1.367   148.85
2104.78    1.372   149.11
2105.78    1.377   149.37
2106.78    1.382   149.62
2107.78    1.388   149.87
2108.78    1.393   150.13
2109.78    1.398   150.37
2110.78    1.403   150.62
2111.78    1.408   150.87
2112.78    1.412   151.11
2113.78    1.417   151.35
2114.78    1.422   151.59
2115.78    1.427   151.83
2116.78    1.432   152.07
2117.78    1.436   152.30
2118.78    1.441   152.54
2119.78    1.446   152.77
2120.78    1.450   153.00
2121.78    1.455   153.23
2122.78    1.460   153.46
2123.78    1.464   153.69
2124.78    1.469   153.91
2125.78    1.473   154.14
2126.78    1.478   154.36
2127.78    1.482   154.58
2128.78    1.486   154.80
2129.78    1.491   155.02
2130.78    1.495   155.24
2131.78    1.499   155.45
2132.78    1.503   155.67
2133.78    1.508   155.88
2134.78    1.512   156.09
2135.78    1.516   156.30
2136.78    1.520   156.51
2137.78    1.524   156.72
2138.78    1.528   156.93
2139.78    1.532   157.14
2140.78    1.536   157.34
2141.78    1.540   157.55
2142.78    1.544   157.75
2143.78    1.548   157.96
2144.78    1.552   158.16
2145.78    1.555   158.36
2146.78    1.559   158.56
2147.78    1.563   158.76
2148.78    1.567   158.95
2149.78    1.570   159.15
2150.78    1.574   159.35
2151.78    1.577   159.54
2152.78    1.581   159.74
2153.78    1.584   159.93
2154.78    1.588   160.12
2155.78    1.591   160.32
2156.78    1.595   160.51
2157.78    1.598   160.70
2158.78    1.602   160.89
2159.78    1.605   161.07
2160.78    1.608   161.26
2161.78    1.612   161.45
2162.78    1.615   161.63
2163.78    1.618   161.82
2164.78    1.621   162.00
2165.78    1.624   162.19
2166.78    1.627   162.37
2167.78    1.630   162.55
2168.78    1.633   162.74
2169.78    1.636   162.92
2170.78    1.639   163.10
2171.78    1.642   163.28
2172.78    1.645   163.46
2173.78    1.648   163.64
2174.78    1.651   163.81
2175.78    1.654   163.99
2176.78    1.656   164.17
2177.78    1.659   164.35
2178.78    1.662   164.52
2179.78    1.665   164.70
2180.78    1.667   164.87
2181.78    1.670   165.04
2182.78    1.672   165.22
2183.78    1.675   165.39
2184.78    1.677   165.56
2185.78    1.680   165.74
2186.78    1.682   165.91
2187.78    1.685   166.08
2188.78    1.687   166.25
2189.78    1.690   166.42
2190.78    1.692   166.59
2191.78    1.694   166.76
2192.78    1.696   166.93
2193.78    1.699   167.09
2194.78    1.701   167.26
2195.78    1.703   167.43
2196.78    1.705   167.60
2197.78    1.707   167.76
2198.78    1.709   167.93
2199.78    1.711   168.09
2200.78    1.713   168.26
2201.78    1.715   168.42
2202.78    1.717   168.59
2203.78    1.719   168.75
2204.78    1.721   168.92
2205.78    1.723   169.08
2206.78    1.724   169.24
2207.78    1.726   169.41
2208.78    1.728   169.57
2209.78    1.730   169.73
2210.78    1.731   169.89
2211.78    1.733   170.05
2212.78    1.734   170.21
2213.78    1.736   170.38
2214.78    1.738   170.54
2215.78    1.739   170.70
2216.78    1.741   170.86
2217.78    1.742   171.02
2218.78    1.743   171.18
2219.78    1.745   171.34
2220.78    1.746   171.49
2221.78    1.747   171.65
2222.78    1.749   171.81
2223.78    1.750   171.97
2224.78    1.751   172.13
2225.78    1.752   172.29
2226.78    1.753   172.44
2227.78    1.755   172.60
2228.78    1.756   172.76
2229.78    1.757   172.92
2230.78    1.758   173.07
2231.78    1.759   173.23
2232.78    1.760   173.39
2233.78    1.760   173.54
2234.78    1.761   173.70
2235.78    1.762   173.85
2236.78    1.763   174.01
2237.78    1.764   174.17
2238.78    1.765   174.32
2239.78    1.765   174.48
2240.78    1.766   174.63
2241.78    1.767   174.79
2242.78    1.767   174.94
2243.78    1.768   175.10
2244.78    1.768   175.25
2245.78    1.769   175.41
2246.78    1.769   175.56
2247.78    1.770   175.72
2248.78    1.770   175.87
2249.78    1.770   176.03
2250.78    1.771   176.18
2251.78    1.771   176.34
2252.78    1.771   176.49
2253.78    1.772   176.65
2254.78    1.772   176.80
2255.78    1.772   176.95
2256.78    1.772   177.11
2257.78    1.772   177.26
2258.78    1.772   177.42
2259.78    1.772   177.57
2260.78    1.772   177.73
2261.78    1.772   177.88
2262.78    1.772   178.03
2263.78    1.772   178.19
2264.78    1.772   178.34
2265.78    1.772   178.50
2266.78    1.772   178.65
2267.78    1.772   178.81
2268.78    1.771   178.96
2269.78    1.771   179.11
2270.78    1.771   179.27
2271.78    1.770   179.42
2272.78    1.770   179.58
2273.78    1.769   179.73
2274.78    1.769   179.89
2275.78    1.768   180.04
2276.78    1.768   180.20
2277.78    1.767   180.35
2278.78    1.767   180.51
2279.78    1.766   180.66
2280.78    1.765   180.82
2281.78    1.765   180.97
2282.78    1.764   181.13
2283.78    1.763   181.28
2284.78    1.762   181.44
2285.78    1.762   181.60
2286.78    1.761   181.75
2287.78    1.760   181.91
2288.78    1.759   182.07
2289.78    1.758   182.22
2290.78    1.757   182.38
2291.78    1.756   182.54
2292.78    1.755   182.69
2293.78    1.753   182.85
2294.78    1.752   183.01
2295.78    1.751   183.17
2296.78    1.750   183.33
2297.78    1.749   183.48
2298.78    1.747   183.64
2299.78    1.746   183.80
2300.78    1.744   183.96
2301.78    1.743   184.12
2302.78    1.742   184.28
2303.78    1.740   184.44
2304.78    1.739   184.60
2305.78    1.737   184.76
2306.78    1.735   184.92
2307.78    1.734   185.08
2308.78    1.732   185.24
2309.78    1.730   185.40
2310.78    1.729   185.57
2311.78    1.727   185.73
2312.78    1.725   185.89






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 14:53:25



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