Double Star Calculator - Orbit

Orbital Elements for BU1174
WDS: BU1174 WDS ID/Discoverer
P: 346.000 Orbital period (years)
a: 1.221 Semi-major axis (arcseconds)
i: 120.8 Inclination (degrees)
Ω: 7.6 Longitude of ascending node (degrees)
T: 2039.800 Epoch of periastron passage (year)
e: 0.797 Eccentricity
ω: 249.4 Longitude of periastron (degrees)
Start-Year: 1852.0 Year
End-Year: 2198.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BU1174
Position: 030332.01-105829.3 Epoch-2000 right ascension and declination
WDS-ID: 03035-1059 WDS designation
Discoverer Code: BU1174 Discover designation and components
ADS number: 2323 Aitken Double Star catalog
HD number: 19063 HD catalog number
Hipparcos number: 14235 Hipparcos catalog number
V1: 7.24 Magnitude of the primary
V2: 10.96 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Lin2016c Reference

Double Star Orbit for BU1174



WDS 6th Orbit including measures of BU1174

-- 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 BU1174
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.487   207.91
--------------------------
1852.00    1.345   317.92
1853.00    1.342   317.66
1854.00    1.340   317.39
1855.00    1.337   317.12
1856.00    1.335   316.85
1857.00    1.332   316.58
1858.00    1.330   316.31
1859.00    1.327   316.04
1860.00    1.324   315.77
1861.00    1.322   315.49
1862.00    1.319   315.22
1863.00    1.316   314.94
1864.00    1.313   314.67
1865.00    1.310   314.39
1866.00    1.307   314.11
1867.00    1.304   313.82
1868.00    1.301   313.54
1869.00    1.298   313.26
1870.00    1.295   312.97
1871.00    1.291   312.69
1872.00    1.288   312.40
1873.00    1.285   312.11
1874.00    1.282   311.82
1875.00    1.278   311.52
1876.00    1.275   311.23
1877.00    1.271   310.93
1878.00    1.268   310.64
1879.00    1.264   310.34
1880.00    1.261   310.04
1881.00    1.257   309.73
1882.00    1.254   309.43
1883.00    1.250   309.12
1884.00    1.246   308.81
1885.00    1.242   308.50
1886.00    1.239   308.19
1887.00    1.235   307.88
1888.00    1.231   307.56
1889.00    1.227   307.25
1890.00    1.223   306.93
1891.00    1.219   306.60
1892.00    1.215   306.28
1893.00    1.211   305.95
1894.00    1.207   305.63
1895.00    1.203   305.30
1896.00    1.199   304.96
1897.00    1.195   304.63
1898.00    1.191   304.29
1899.00    1.187   303.95
1900.00    1.182   303.61
1901.00    1.178   303.27
1902.00    1.174   302.92
1903.00    1.169   302.57
1904.00    1.165   302.22
1905.00    1.161   301.86
1906.00    1.156   301.51
1907.00    1.152   301.15
1908.00    1.147   300.78
1909.00    1.143   300.42
1910.00    1.138   300.05
1911.00    1.134   299.68
1912.00    1.129   299.30
1913.00    1.125   298.92
1914.00    1.120   298.54
1915.00    1.115   298.16
1916.00    1.111   297.77
1917.00    1.106   297.38
1918.00    1.101   296.99
1919.00    1.097   296.59
1920.00    1.092   296.19
1921.00    1.087   295.79
1922.00    1.082   295.38
1923.00    1.077   294.97
1924.00    1.073   294.55
1925.00    1.068   294.13
1926.00    1.063   293.71
1927.00    1.058   293.28
1928.00    1.053   292.85
1929.00    1.048   292.42
1930.00    1.043   291.98
1931.00    1.038   291.54
1932.00    1.033   291.09
1933.00    1.028   290.64
1934.00    1.023   290.18
1935.00    1.018   289.72
1936.00    1.013   289.25
1937.00    1.008   288.78
1938.00    1.003   288.31
1939.00    0.998   287.83
1940.00    0.992   287.35
1941.00    0.987   286.86
1942.00    0.982   286.36
1943.00    0.977   285.86
1944.00    0.972   285.36
1945.00    0.967   284.85
1946.00    0.962   284.33
1947.00    0.956   283.81
1948.00    0.951   283.28
1949.00    0.946   282.75
1950.00    0.941   282.21
1951.00    0.935   281.66
1952.00    0.930   281.11
1953.00    0.925   280.55
1954.00    0.920   279.99
1955.00    0.914   279.42
1956.00    0.909   278.84
1957.00    0.904   278.26
1958.00    0.899   277.67
1959.00    0.893   277.07
1960.00    0.888   276.47
1961.00    0.883   275.85
1962.00    0.878   275.24
1963.00    0.872   274.61
1964.00    0.867   273.97
1965.00    0.862   273.33
1966.00    0.856   272.68
1967.00    0.851   272.02
1968.00    0.846   271.36
1969.00    0.841   270.68
1970.00    0.835   270.00
1971.00    0.830   269.31
1972.00    0.825   268.61
1973.00    0.820   267.90
1974.00    0.814   267.18
1975.00    0.809   266.45
1976.00    0.804   265.71
1977.00    0.798   264.97
1978.00    0.793   264.21
1979.00    0.788   263.44
1980.00    0.783   262.66
1981.00    0.778   261.87
1982.00    0.772   261.08
1983.00    0.767   260.27
1984.00    0.762   259.45
1985.00    0.757   258.61
1986.00    0.751   257.77
1987.00    0.746   256.91
1988.00    0.741   256.05
1989.00    0.736   255.17
1990.00    0.731   254.27
1991.00    0.725   253.37
1992.00    0.720   252.45
1993.00    0.715   251.52
1994.00    0.710   250.57
1995.00    0.704   249.61
1996.00    0.699   248.64
1997.00    0.694   247.65
1998.00    0.689   246.65
1999.00    0.683   245.63
2000.00    0.678   244.59
2001.00    0.673   243.54
2002.00    0.667   242.47
2003.00    0.662   241.39
2004.00    0.656   240.28
2005.00    0.651   239.16
2006.00    0.645   238.02
2007.00    0.640   236.85
2008.00    0.634   235.67
2009.00    0.628   234.47
2010.00    0.622   233.24
2011.00    0.616   231.99
2012.00    0.610   230.71
2013.00    0.604   229.41
2014.00    0.597   228.08
2015.00    0.590   226.72
2016.00    0.584   225.32
2017.00    0.576   223.90
2018.00    0.569   222.43
2019.00    0.561   220.93
2020.00    0.553   219.39
2021.00    0.545   217.79
2022.00    0.536   216.15
2023.00    0.526   214.45
2024.00    0.516   212.68
2025.00    0.505   210.84
2026.00    0.493   208.91
2027.00    0.481   206.89
2028.00    0.467   204.75
2029.00    0.452   202.48
2030.00    0.435   200.04
2031.00    0.417   197.40
2032.00    0.396   194.50
2033.00    0.374   191.27
2034.00    0.348   187.58
2035.00    0.319   183.26
2036.00    0.286   178.00
2037.00    0.250   171.30
2038.00    0.211   162.21
2039.00    0.173   149.04
2040.00    0.142   129.30
2041.00    0.130   102.61
2042.00    0.143    76.10
2043.00    0.176    56.79
2044.00    0.217    44.13
2045.00    0.260    35.63
2046.00    0.304    29.57
2047.00    0.346    25.01
2048.00    0.386    21.42
2049.00    0.424    18.50
2050.00    0.461    16.05
2051.00    0.495    13.95
2052.00    0.528    12.11
2053.00    0.559    10.49
2054.00    0.588     9.03
2055.00    0.617     7.71
2056.00    0.643     6.50
2057.00    0.669     5.39
2058.00    0.694     4.35
2059.00    0.717     3.39
2060.00    0.740     2.49
2061.00    0.762     1.64
2062.00    0.783     0.83
2063.00    0.803     0.07
2064.00    0.822   359.34
2065.00    0.841   358.65
2066.00    0.859   357.98
2067.00    0.876   357.34
2068.00    0.893   356.73
2069.00    0.909   356.14
2070.00    0.925   355.57
2071.00    0.940   355.02
2072.00    0.955   354.49
2073.00    0.970   353.97
2074.00    0.983   353.46
2075.00    0.997   352.98
2076.00    1.010   352.50
2077.00    1.023   352.03
2078.00    1.035   351.58
2079.00    1.047   351.14
2080.00    1.059   350.71
2081.00    1.070   350.28
2082.00    1.081   349.87
2083.00    1.091   349.46
2084.00    1.102   349.06
2085.00    1.112   348.67
2086.00    1.122   348.29
2087.00    1.131   347.91
2088.00    1.141   347.54
2089.00    1.150   347.17
2090.00    1.158   346.81
2091.00    1.167   346.45
2092.00    1.175   346.10
2093.00    1.183   345.76
2094.00    1.191   345.42
2095.00    1.199   345.08
2096.00    1.206   344.75
2097.00    1.213   344.42
2098.00    1.220   344.10
2099.00    1.227   343.78
2100.00    1.234   343.46
2101.00    1.240   343.15
2102.00    1.247   342.84
2103.00    1.253   342.53
2104.00    1.259   342.23
2105.00    1.265   341.93
2106.00    1.270   341.63
2107.00    1.276   341.33
2108.00    1.281   341.04
2109.00    1.286   340.75
2110.00    1.291   340.46
2111.00    1.296   340.17
2112.00    1.301   339.89
2113.00    1.305   339.60
2114.00    1.309   339.32
2115.00    1.314   339.04
2116.00    1.318   338.77
2117.00    1.322   338.49
2118.00    1.326   338.22
2119.00    1.330   337.95
2120.00    1.333   337.68
2121.00    1.337   337.41
2122.00    1.340   337.14
2123.00    1.343   336.87
2124.00    1.346   336.61
2125.00    1.350   336.34
2126.00    1.352   336.08
2127.00    1.355   335.82
2128.00    1.358   335.56
2129.00    1.361   335.30
2130.00    1.363   335.04
2131.00    1.365   334.78
2132.00    1.368   334.52
2133.00    1.370   334.27
2134.00    1.372   334.01
2135.00    1.374   333.76
2136.00    1.376   333.51
2137.00    1.378   333.25
2138.00    1.379   333.00
2139.00    1.381   332.75
2140.00    1.382   332.50
2141.00    1.384   332.25
2142.00    1.385   332.00
2143.00    1.386   331.75
2144.00    1.388   331.50
2145.00    1.389   331.25
2146.00    1.390   331.00
2147.00    1.391   330.75
2148.00    1.391   330.50
2149.00    1.392   330.26
2150.00    1.393   330.01
2151.00    1.393   329.76
2152.00    1.394   329.51
2153.00    1.394   329.27
2154.00    1.395   329.02
2155.00    1.395   328.77
2156.00    1.395   328.53
2157.00    1.395   328.28
2158.00    1.395   328.03
2159.00    1.395   327.79
2160.00    1.395   327.54
2161.00    1.395   327.29
2162.00    1.395   327.05
2163.00    1.394   326.80
2164.00    1.394   326.55
2165.00    1.394   326.31
2166.00    1.393   326.06
2167.00    1.392   325.81
2168.00    1.392   325.57
2169.00    1.391   325.32
2170.00    1.390   325.07
2171.00    1.389   324.82
2172.00    1.389   324.57
2173.00    1.388   324.32
2174.00    1.387   324.07
2175.00    1.385   323.82
2176.00    1.384   323.57
2177.00    1.383   323.32
2178.00    1.382   323.07
2179.00    1.380   322.82
2180.00    1.379   322.57
2181.00    1.378   322.32
2182.00    1.376   322.06
2183.00    1.375   321.81
2184.00    1.373   321.56
2185.00    1.371   321.30
2186.00    1.370   321.05
2187.00    1.368   320.79
2188.00    1.366   320.53
2189.00    1.364   320.28
2190.00    1.362   320.02
2191.00    1.360   319.76
2192.00    1.358   319.50
2193.00    1.356   319.24
2194.00    1.354   318.98
2195.00    1.352   318.71
2196.00    1.349   318.45
2197.00    1.347   318.19






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 15:07:17



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