Double Star Calculator - Orbit

Orbital Elements for BU1003
WDS: BU1003 WDS ID/Discoverer
P: 286.340 Orbital period (years)
a: 2.145 Semi-major axis (arcseconds)
i: 34.7 Inclination (degrees)
Ω: 81.7 Longitude of ascending node (degrees)
T: 1997.420 Epoch of periastron passage (year)
e: 0.479 Eccentricity
ω: 101.7 Longitude of periastron (degrees)
Start-Year: 1881.83 Year
End-Year: 2168.17 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1003
Position: 034524.12-275144.9 Epoch-2000 right ascension and declination
WDS-ID: 03454-2752 WDS designation
Discoverer Code: BU1003 Discover designation and components
ADS number: 2756 Aitken Double Star catalog
HD number: 23588 HD catalog number
Hipparcos number: 17544 Hipparcos catalog number
V1: 8.39 Magnitude of the primary
V2: 11.12 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2001 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Cve2008a Reference

Double Star Orbit for BU1003



WDS 6th Orbit including measures of BU1003

-- 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 BU1003
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.629   270.46
--------------------------
1881.83    2.651    22.24
1882.83    2.649    22.83
1883.83    2.648    23.43
1884.83    2.646    24.02
1885.83    2.645    24.62
1886.83    2.643    25.22
1887.83    2.641    25.81
1888.83    2.639    26.41
1889.83    2.637    27.01
1890.83    2.634    27.61
1891.83    2.632    28.22
1892.83    2.629    28.82
1893.83    2.626    29.43
1894.83    2.623    30.03
1895.83    2.619    30.64
1896.83    2.616    31.25
1897.83    2.612    31.86
1898.83    2.608    32.47
1899.83    2.604    33.09
1900.83    2.600    33.70
1901.83    2.596    34.32
1902.83    2.591    34.94
1903.83    2.586    35.56
1904.83    2.581    36.19
1905.83    2.576    36.82
1906.83    2.571    37.45
1907.83    2.565    38.08
1908.83    2.559    38.72
1909.83    2.553    39.36
1910.83    2.547    40.00
1911.83    2.541    40.64
1912.83    2.534    41.29
1913.83    2.527    41.94
1914.83    2.520    42.60
1915.83    2.512    43.26
1916.83    2.504    43.92
1917.83    2.496    44.59
1918.83    2.488    45.26
1919.83    2.480    45.94
1920.83    2.471    46.62
1921.83    2.462    47.31
1922.83    2.453    48.00
1923.83    2.443    48.69
1924.83    2.433    49.40
1925.83    2.423    50.10
1926.83    2.413    50.82
1927.83    2.402    51.54
1928.83    2.391    52.27
1929.83    2.379    53.00
1930.83    2.368    53.74
1931.83    2.356    54.49
1932.83    2.343    55.25
1933.83    2.330    56.01
1934.83    2.317    56.78
1935.83    2.304    57.57
1936.83    2.290    58.36
1937.83    2.276    59.16
1938.83    2.261    59.97
1939.83    2.247    60.79
1940.83    2.231    61.62
1941.83    2.216    62.47
1942.83    2.199    63.32
1943.83    2.183    64.19
1944.83    2.166    65.08
1945.83    2.148    65.97
1946.83    2.131    66.89
1947.83    2.112    67.81
1948.83    2.094    68.76
1949.83    2.074    69.72
1950.83    2.055    70.70
1951.83    2.034    71.70
1952.83    2.014    72.72
1953.83    1.993    73.76
1954.83    1.971    74.82
1955.83    1.949    75.91
1956.83    1.926    77.02
1957.83    1.903    78.16
1958.83    1.879    79.33
1959.83    1.854    80.52
1960.83    1.830    81.75
1961.83    1.804    83.02
1962.83    1.778    84.32
1963.83    1.752    85.66
1964.83    1.724    87.04
1965.83    1.697    88.47
1966.83    1.669    89.94
1967.83    1.640    91.47
1968.83    1.611    93.05
1969.83    1.581    94.69
1970.83    1.550    96.39
1971.83    1.520    98.16
1972.83    1.489   100.01
1973.83    1.457   101.94
1974.83    1.425   103.95
1975.83    1.393   106.05
1976.83    1.360   108.25
1977.83    1.328   110.56
1978.83    1.295   112.99
1979.83    1.263   115.54
1980.83    1.231   118.23
1981.83    1.199   121.06
1982.83    1.167   124.04
1983.83    1.137   127.19
1984.83    1.107   130.51
1985.83    1.079   134.00
1986.83    1.052   137.68
1987.83    1.027   141.55
1988.83    1.003   145.61
1989.83    0.983   149.84
1990.83    0.965   154.25
1991.83    0.949   158.81
1992.83    0.937   163.50
1993.83    0.929   168.30
1994.83    0.924   173.17
1995.83    0.923   178.07
1996.83    0.925   182.97
1997.83    0.931   187.82
1998.83    0.940   192.60
1999.83    0.952   197.26
2000.83    0.968   201.80
2001.83    0.986   206.17
2002.83    1.006   210.39
2003.83    1.029   214.42
2004.83    1.053   218.28
2005.83    1.078   221.96
2006.83    1.105   225.46
2007.83    1.132   228.80
2008.83    1.160   231.98
2009.83    1.189   235.00
2010.83    1.218   237.89
2011.83    1.246   240.64
2012.83    1.275   243.27
2013.83    1.304   245.78
2014.83    1.332   248.18
2015.83    1.360   250.49
2016.83    1.388   252.70
2017.83    1.415   254.82
2018.83    1.442   256.87
2019.83    1.468   258.84
2020.83    1.494   260.75
2021.83    1.519   262.59
2022.83    1.543   264.37
2023.83    1.567   266.09
2024.83    1.591   267.77
2025.83    1.614   269.39
2026.83    1.636   270.98
2027.83    1.658   272.51
2028.83    1.680   274.01
2029.83    1.700   275.47
2030.83    1.721   276.90
2031.83    1.741   278.29
2032.83    1.760   279.66
2033.83    1.779   280.99
2034.83    1.798   282.30
2035.83    1.816   283.57
2036.83    1.833   284.83
2037.83    1.851   286.06
2038.83    1.867   287.27
2039.83    1.884   288.45
2040.83    1.900   289.62
2041.83    1.916   290.77
2042.83    1.931   291.90
2043.83    1.946   293.01
2044.83    1.961   294.10
2045.83    1.975   295.18
2046.83    1.989   296.24
2047.83    2.003   297.29
2048.83    2.017   298.32
2049.83    2.030   299.34
2050.83    2.043   300.35
2051.83    2.056   301.34
2052.83    2.068   302.32
2053.83    2.080   303.29
2054.83    2.092   304.25
2055.83    2.104   305.20
2056.83    2.116   306.14
2057.83    2.127   307.07
2058.83    2.138   307.98
2059.83    2.149   308.89
2060.83    2.160   309.79
2061.83    2.170   310.68
2062.83    2.181   311.57
2063.83    2.191   312.44
2064.83    2.201   313.30
2065.83    2.211   314.16
2066.83    2.221   315.01
2067.83    2.230   315.86
2068.83    2.239   316.69
2069.83    2.249   317.52
2070.83    2.258   318.34
2071.83    2.267   319.16
2072.83    2.275   319.97
2073.83    2.284   320.77
2074.83    2.293   321.57
2075.83    2.301   322.36
2076.83    2.309   323.15
2077.83    2.317   323.93
2078.83    2.325   324.70
2079.83    2.333   325.47
2080.83    2.341   326.23
2081.83    2.349   326.99
2082.83    2.356   327.75
2083.83    2.364   328.50
2084.83    2.371   329.24
2085.83    2.378   329.98
2086.83    2.385   330.72
2087.83    2.392   331.45
2088.83    2.399   332.18
2089.83    2.406   332.90
2090.83    2.413   333.62
2091.83    2.420   334.33
2092.83    2.426   335.05
2093.83    2.432   335.75
2094.83    2.439   336.46
2095.83    2.445   337.16
2096.83    2.451   337.85
2097.83    2.457   338.55
2098.83    2.463   339.24
2099.83    2.469   339.92
2100.83    2.475   340.61
2101.83    2.481   341.29
2102.83    2.486   341.96
2103.83    2.492   342.64
2104.83    2.497   343.31
2105.83    2.502   343.98
2106.83    2.508   344.64
2107.83    2.513   345.30
2108.83    2.518   345.96
2109.83    2.523   346.62
2110.83    2.528   347.27
2111.83    2.533   347.93
2112.83    2.537   348.58
2113.83    2.542   349.22
2114.83    2.547   349.87
2115.83    2.551   350.51
2116.83    2.556   351.15
2117.83    2.560   351.79
2118.83    2.564   352.42
2119.83    2.568   353.06
2120.83    2.572   353.69
2121.83    2.576   354.32
2122.83    2.580   354.95
2123.83    2.584   355.57
2124.83    2.588   356.20
2125.83    2.591   356.82
2126.83    2.595   357.44
2127.83    2.598   358.06
2128.83    2.602   358.68
2129.83    2.605   359.30
2130.83    2.608   359.91
2131.83    2.611     0.52
2132.83    2.614     1.13
2133.83    2.617     1.74
2134.83    2.620     2.35
2135.83    2.622     2.96
2136.83    2.625     3.57
2137.83    2.627     4.17
2138.83    2.630     4.78
2139.83    2.632     5.38
2140.83    2.634     5.98
2141.83    2.636     6.58
2142.83    2.638     7.18
2143.83    2.640     7.78
2144.83    2.642     8.38
2145.83    2.644     8.98
2146.83    2.645     9.58
2147.83    2.647    10.17
2148.83    2.648    10.77
2149.83    2.649    11.36
2150.83    2.650    11.96
2151.83    2.651    12.55
2152.83    2.652    13.15
2153.83    2.653    13.74
2154.83    2.654    14.33
2155.83    2.654    14.92
2156.83    2.655    15.52
2157.83    2.655    16.11
2158.83    2.655    16.70
2159.83    2.655    17.29
2160.83    2.655    17.89
2161.83    2.655    18.48
2162.83    2.655    19.07
2163.83    2.654    19.66
2164.83    2.654    20.25
2165.83    2.653    20.85
2166.83    2.652    21.44
2167.83    2.651    22.04






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 15:14:16



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