Double Star Calculator - Orbit

Orbital Elements for BU182AB
WDS: BU182AB WDS ID/Discoverer
P: 388.000 Orbital period (years)
a: 0.957 Semi-major axis (arcseconds)
i: 86.93 Inclination (degrees)
Ω: 44.34 Longitude of ascending node (degrees)
T: 1928.600 Epoch of periastron passage (year)
e: 0.464 Eccentricity
ω: 93.7 Longitude of periastron (degrees)
Start-Year: 1831.0 Year
End-Year: 2219.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU182AB
Position: 231705.05-135103.3 Epoch-2000 right ascension and declination
WDS-ID: 23171-1349 WDS designation
Discoverer Code: BU182AB Discover designation and components
ADS number: 16644 Aitken Double Star catalog
HD number: 219617 HD catalog number
Hipparcos number: 114962 Hipparcos catalog number
V1: 8.77 Magnitude of the primary
V2: 9.08 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Mdz2017 Reference

Double Star Orbit for BU182AB



WDS 6th Orbit including measures of BU182AB

-- 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 BU182AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.714   228.19
--------------------------
1831.00    0.824    41.39
1832.00    0.828    41.45
1833.00    0.832    41.50
1834.00    0.836    41.56
1835.00    0.839    41.62
1836.00    0.842    41.68
1837.00    0.846    41.73
1838.00    0.849    41.79
1839.00    0.852    41.85
1840.00    0.855    41.90
1841.00    0.857    41.96
1842.00    0.860    42.01
1843.00    0.862    42.07
1844.00    0.864    42.12
1845.00    0.866    42.17
1846.00    0.868    42.23
1847.00    0.870    42.28
1848.00    0.872    42.33
1849.00    0.873    42.39
1850.00    0.874    42.44
1851.00    0.875    42.49
1852.00    0.876    42.54
1853.00    0.877    42.60
1854.00    0.877    42.65
1855.00    0.877    42.70
1856.00    0.877    42.75
1857.00    0.877    42.81
1858.00    0.877    42.86
1859.00    0.876    42.91
1860.00    0.875    42.96
1861.00    0.874    43.02
1862.00    0.873    43.07
1863.00    0.871    43.12
1864.00    0.869    43.18
1865.00    0.867    43.23
1866.00    0.865    43.28
1867.00    0.863    43.34
1868.00    0.860    43.39
1869.00    0.857    43.45
1870.00    0.853    43.50
1871.00    0.850    43.56
1872.00    0.846    43.61
1873.00    0.841    43.67
1874.00    0.837    43.73
1875.00    0.832    43.78
1876.00    0.827    43.84
1877.00    0.821    43.90
1878.00    0.816    43.96
1879.00    0.810    44.02
1880.00    0.803    44.09
1881.00    0.796    44.15
1882.00    0.789    44.21
1883.00    0.781    44.28
1884.00    0.773    44.35
1885.00    0.765    44.41
1886.00    0.756    44.48
1887.00    0.747    44.55
1888.00    0.738    44.63
1889.00    0.728    44.70
1890.00    0.718    44.78
1891.00    0.707    44.86
1892.00    0.695    44.94
1893.00    0.684    45.03
1894.00    0.672    45.11
1895.00    0.659    45.20
1896.00    0.646    45.30
1897.00    0.632    45.40
1898.00    0.618    45.50
1899.00    0.604    45.61
1900.00    0.589    45.72
1901.00    0.573    45.84
1902.00    0.557    45.97
1903.00    0.541    46.10
1904.00    0.524    46.24
1905.00    0.506    46.40
1906.00    0.488    46.56
1907.00    0.470    46.73
1908.00    0.451    46.93
1909.00    0.431    47.13
1910.00    0.411    47.36
1911.00    0.390    47.61
1912.00    0.369    47.89
1913.00    0.348    48.21
1914.00    0.326    48.56
1915.00    0.303    48.97
1916.00    0.281    49.44
1917.00    0.258    50.00
1918.00    0.234    50.67
1919.00    0.210    51.49
1920.00    0.186    52.52
1921.00    0.162    53.85
1922.00    0.137    55.67
1923.00    0.113    58.26
1924.00    0.089    62.29
1925.00    0.065    69.30
1926.00    0.043    83.78
1927.00    0.029   118.44
1928.00    0.033   167.23
1929.00    0.051   192.05
1930.00    0.074   202.74
1931.00    0.098   208.31
1932.00    0.122   211.67
1933.00    0.147   213.91
1934.00    0.171   215.51
1935.00    0.195   216.72
1936.00    0.219   217.66
1937.00    0.243   218.42
1938.00    0.266   219.04
1939.00    0.289   219.56
1940.00    0.312   220.01
1941.00    0.334   220.40
1942.00    0.355   220.74
1943.00    0.376   221.04
1944.00    0.397   221.31
1945.00    0.417   221.55
1946.00    0.437   221.77
1947.00    0.456   221.98
1948.00    0.474   222.16
1949.00    0.492   222.34
1950.00    0.509   222.50
1951.00    0.526   222.65
1952.00    0.542   222.79
1953.00    0.558   222.92
1954.00    0.573   223.05
1955.00    0.588   223.17
1956.00    0.602   223.28
1957.00    0.615   223.39
1958.00    0.628   223.49
1959.00    0.641   223.59
1960.00    0.653   223.69
1961.00    0.664   223.78
1962.00    0.675   223.87
1963.00    0.686   223.96
1964.00    0.696   224.04
1965.00    0.705   224.13
1966.00    0.714   224.21
1967.00    0.723   224.28
1968.00    0.731   224.36
1969.00    0.739   224.43
1970.00    0.746   224.51
1971.00    0.753   224.58
1972.00    0.760   224.65
1973.00    0.766   224.72
1974.00    0.772   224.79
1975.00    0.777   224.85
1976.00    0.782   224.92
1977.00    0.787   224.99
1978.00    0.791   225.05
1979.00    0.795   225.12
1980.00    0.799   225.18
1981.00    0.802   225.24
1982.00    0.805   225.30
1983.00    0.808   225.37
1984.00    0.810   225.43
1985.00    0.813   225.49
1986.00    0.814   225.55
1987.00    0.816   225.61
1988.00    0.817   225.67
1989.00    0.818   225.73
1990.00    0.819   225.79
1991.00    0.820   225.85
1992.00    0.820   225.91
1993.00    0.820   225.97
1994.00    0.820   226.03
1995.00    0.819   226.09
1996.00    0.819   226.15
1997.00    0.818   226.21
1998.00    0.817   226.27
1999.00    0.815   226.33
2000.00    0.814   226.39
2001.00    0.812   226.45
2002.00    0.810   226.52
2003.00    0.808   226.58
2004.00    0.806   226.64
2005.00    0.803   226.70
2006.00    0.801   226.76
2007.00    0.798   226.83
2008.00    0.795   226.89
2009.00    0.792   226.95
2010.00    0.789   227.02
2011.00    0.785   227.08
2012.00    0.782   227.15
2013.00    0.778   227.22
2014.00    0.774   227.28
2015.00    0.770   227.35
2016.00    0.766   227.42
2017.00    0.761   227.49
2018.00    0.757   227.56
2019.00    0.752   227.63
2020.00    0.748   227.70
2021.00    0.743   227.77
2022.00    0.738   227.85
2023.00    0.733   227.92
2024.00    0.727   228.00
2025.00    0.722   228.07
2026.00    0.717   228.15
2027.00    0.711   228.23
2028.00    0.706   228.31
2029.00    0.700   228.39
2030.00    0.694   228.48
2031.00    0.688   228.56
2032.00    0.682   228.65
2033.00    0.676   228.73
2034.00    0.670   228.82
2035.00    0.663   228.91
2036.00    0.657   229.01
2037.00    0.650   229.10
2038.00    0.644   229.20
2039.00    0.637   229.30
2040.00    0.630   229.40
2041.00    0.624   229.50
2042.00    0.617   229.60
2043.00    0.610   229.71
2044.00    0.603   229.82
2045.00    0.595   229.93
2046.00    0.588   230.05
2047.00    0.581   230.17
2048.00    0.574   230.29
2049.00    0.566   230.41
2050.00    0.559   230.54
2051.00    0.551   230.67
2052.00    0.544   230.80
2053.00    0.536   230.94
2054.00    0.528   231.08
2055.00    0.521   231.23
2056.00    0.513   231.38
2057.00    0.505   231.54
2058.00    0.497   231.70
2059.00    0.489   231.86
2060.00    0.481   232.04
2061.00    0.473   232.21
2062.00    0.465   232.40
2063.00    0.457   232.59
2064.00    0.448   232.78
2065.00    0.440   232.99
2066.00    0.432   233.20
2067.00    0.424   233.42
2068.00    0.415   233.65
2069.00    0.407   233.89
2070.00    0.398   234.14
2071.00    0.390   234.40
2072.00    0.382   234.67
2073.00    0.373   234.95
2074.00    0.364   235.25
2075.00    0.356   235.56
2076.00    0.347   235.88
2077.00    0.339   236.23
2078.00    0.330   236.59
2079.00    0.321   236.97
2080.00    0.313   237.37
2081.00    0.304   237.79
2082.00    0.295   238.24
2083.00    0.287   238.71
2084.00    0.278   239.22
2085.00    0.269   239.76
2086.00    0.261   240.33
2087.00    0.252   240.95
2088.00    0.243   241.60
2089.00    0.235   242.31
2090.00    0.226   243.07
2091.00    0.217   243.89
2092.00    0.209   244.78
2093.00    0.200   245.74
2094.00    0.192   246.79
2095.00    0.183   247.94
2096.00    0.175   249.19
2097.00    0.167   250.58
2098.00    0.158   252.11
2099.00    0.150   253.80
2100.00    0.142   255.69
2101.00    0.134   257.80
2102.00    0.127   260.16
2103.00    0.119   262.83
2104.00    0.112   265.83
2105.00    0.106   269.24
2106.00    0.099   273.10
2107.00    0.093   277.46
2108.00    0.088   282.37
2109.00    0.083   287.87
2110.00    0.080   293.93
2111.00    0.077   300.50
2112.00    0.075   307.45
2113.00    0.075   314.61
2114.00    0.076   321.75
2115.00    0.077   328.66
2116.00    0.080   335.18
2117.00    0.084   341.17
2118.00    0.089   346.59
2119.00    0.094   351.44
2120.00    0.100   355.74
2121.00    0.106   359.53
2122.00    0.113     2.89
2123.00    0.120     5.85
2124.00    0.128     8.48
2125.00    0.135    10.81
2126.00    0.143    12.89
2127.00    0.151    14.75
2128.00    0.159    16.42
2129.00    0.168    17.93
2130.00    0.176    19.30
2131.00    0.184    20.54
2132.00    0.193    21.68
2133.00    0.201    22.71
2134.00    0.210    23.67
2135.00    0.219    24.55
2136.00    0.227    25.36
2137.00    0.236    26.11
2138.00    0.244    26.81
2139.00    0.253    27.46
2140.00    0.262    28.07
2141.00    0.271    28.64
2142.00    0.279    29.17
2143.00    0.288    29.67
2144.00    0.297    30.15
2145.00    0.305    30.59
2146.00    0.314    31.01
2147.00    0.323    31.41
2148.00    0.331    31.79
2149.00    0.340    32.14
2150.00    0.349    32.48
2151.00    0.357    32.81
2152.00    0.366    33.12
2153.00    0.374    33.41
2154.00    0.383    33.69
2155.00    0.392    33.96
2156.00    0.400    34.22
2157.00    0.408    34.46
2158.00    0.417    34.70
2159.00    0.425    34.93
2160.00    0.434    35.15
2161.00    0.442    35.36
2162.00    0.450    35.56
2163.00    0.459    35.75
2164.00    0.467    35.94
2165.00    0.475    36.12
2166.00    0.483    36.30
2167.00    0.491    36.47
2168.00    0.499    36.63
2169.00    0.507    36.79
2170.00    0.515    36.95
2171.00    0.523    37.10
2172.00    0.531    37.24
2173.00    0.539    37.38
2174.00    0.547    37.52
2175.00    0.555    37.65
2176.00    0.562    37.78
2177.00    0.570    37.91
2178.00    0.578    38.03
2179.00    0.585    38.15
2180.00    0.593    38.27
2181.00    0.600    38.38
2182.00    0.607    38.49
2183.00    0.615    38.60
2184.00    0.622    38.70
2185.00    0.629    38.81
2186.00    0.636    38.91
2187.00    0.643    39.00
2188.00    0.650    39.10
2189.00    0.657    39.20
2190.00    0.664    39.29
2191.00    0.671    39.38
2192.00    0.677    39.47
2193.00    0.684    39.55
2194.00    0.690    39.64
2195.00    0.697    39.72
2196.00    0.703    39.81
2197.00    0.710    39.89
2198.00    0.716    39.97
2199.00    0.722    40.04
2200.00    0.728    40.12
2201.00    0.734    40.20
2202.00    0.740    40.27
2203.00    0.746    40.34
2204.00    0.751    40.42
2205.00    0.757    40.49
2206.00    0.762    40.56
2207.00    0.768    40.63
2208.00    0.773    40.69
2209.00    0.778    40.76
2210.00    0.783    40.83
2211.00    0.788    40.89
2212.00    0.793    40.96
2213.00    0.798    41.02
2214.00    0.803    41.08
2215.00    0.807    41.15
2216.00    0.812    41.21
2217.00    0.816    41.27
2218.00    0.820    41.33






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 18:49:19



www.stella-vega.de