Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:32:24

Orbital Elements for BU575AB
WDS: BU575AB WDS ID/Discoverer
P: 402.960 Orbital period (years)
a: 0.855 Semi-major axis (arcseconds)
i: 57.5 Inclination (degrees)
Ω: 267.2 Longitude of ascending node (degrees)
T: 1620.490 Epoch of periastron passage (year)
e: 0.393 Eccentricity
ω: 79.4 Longitude of periastron (degrees)
Start-Year: 1824.0 Year
End-Year: 2226.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BU575AB
Position: 071448.26-152833.5 Epoch-2000 right ascension and declination
WDS-ID: 07148-1529 WDS designation
Discoverer Code: BU575AB Discover designation and components
ADS number: 5925 Aitken Double Star catalog
HD number: 56012 HD catalog number
Hipparcos number: 35035 Hipparcos catalog number
V1: 8.29 Magnitude of the primary
V2: 7.88 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1998 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BU575AB



WDS 6th Orbit including measures of BU575AB

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


Ephemeris of BU575AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.284    344.1
-------------------------
1824.0     0.662    159.5
1825.0     0.660    160.2
1826.0     0.658    161.0
1827.0     0.657    161.7
1828.0     0.655    162.5
1829.0     0.653    163.2
1830.0     0.651    164.0
1831.0     0.650    164.7
1832.0     0.648    165.5
1833.0     0.647    166.3
1834.0     0.645    167.0
1835.0     0.644    167.8
1836.0     0.643    168.6
1837.0     0.642    169.4
1838.0     0.640    170.2
1839.0     0.639    171.0
1840.0     0.638    171.7
1841.0     0.637    172.5
1842.0     0.636    173.3
1843.0     0.636    174.1
1844.0     0.635    174.9
1845.0     0.634    175.7
1846.0     0.633    176.5
1847.0     0.633    177.3
1848.0     0.632    178.1
1849.0     0.632    179.0
1850.0     0.631    179.8
1851.0     0.631    180.6
1852.0     0.631    181.4
1853.0     0.631    182.2
1854.0     0.631    183.0
1855.0     0.631    183.8
1856.0     0.631    184.6
1857.0     0.631    185.4
1858.0     0.631    186.3
1859.0     0.631    187.1
1860.0     0.631    187.9
1861.0     0.632    188.7
1862.0     0.632    189.5
1863.0     0.633    190.3
1864.0     0.633    191.1
1865.0     0.634    191.9
1866.0     0.634    192.7
1867.0     0.635    193.5
1868.0     0.636    194.3
1869.0     0.637    195.1
1870.0     0.638    195.9
1871.0     0.638    196.7
1872.0     0.639    197.5
1873.0     0.641    198.3
1874.0     0.642    199.1
1875.0     0.643    199.8
1876.0     0.644    200.6
1877.0     0.645    201.4
1878.0     0.647    202.2
1879.0     0.648    202.9
1880.0     0.649    203.7
1881.0     0.651    204.5
1882.0     0.652    205.2
1883.0     0.654    206.0
1884.0     0.656    206.7
1885.0     0.657    207.5
1886.0     0.659    208.2
1887.0     0.661    209.0
1888.0     0.662    209.7
1889.0     0.664    210.4
1890.0     0.666    211.2
1891.0     0.668    211.9
1892.0     0.670    212.6
1893.0     0.671    213.3
1894.0     0.673    214.1
1895.0     0.675    214.8
1896.0     0.677    215.5
1897.0     0.679    216.2
1898.0     0.681    216.9
1899.0     0.683    217.6
1900.0     0.685    218.2
1901.0     0.687    218.9
1902.0     0.689    219.6
1903.0     0.691    220.3
1904.0     0.694    221.0
1905.0     0.696    221.6
1906.0     0.698    222.3
1907.0     0.700    223.0
1908.0     0.702    223.6
1909.0     0.704    224.3
1910.0     0.706    224.9
1911.0     0.708    225.6
1912.0     0.710    226.2
1913.0     0.712    226.8
1914.0     0.714    227.5
1915.0     0.716    228.1
1916.0     0.718    228.7
1917.0     0.720    229.4
1918.0     0.722    230.0
1919.0     0.724    230.6
1920.0     0.726    231.2
1921.0     0.727    231.8
1922.0     0.729    232.4
1923.0     0.731    233.0
1924.0     0.733    233.6
1925.0     0.734    234.2
1926.0     0.736    234.8
1927.0     0.738    235.4
1928.0     0.739    236.0
1929.0     0.741    236.6
1930.0     0.742    237.2
1931.0     0.743    237.8
1932.0     0.745    238.4
1933.0     0.746    239.0
1934.0     0.747    239.5
1935.0     0.748    240.1
1936.0     0.749    240.7
1937.0     0.750    241.3
1938.0     0.751    241.8
1939.0     0.752    242.4
1940.0     0.753    243.0
1941.0     0.753    243.5
1942.0     0.754    244.1
1943.0     0.754    244.7
1944.0     0.755    245.2
1945.0     0.755    245.8
1946.0     0.755    246.4
1947.0     0.755    246.9
1948.0     0.755    247.5
1949.0     0.755    248.1
1950.0     0.755    248.6
1951.0     0.755    249.2
1952.0     0.754    249.8
1953.0     0.754    250.3
1954.0     0.753    250.9
1955.0     0.752    251.5
1956.0     0.751    252.0
1957.0     0.750    252.6
1958.0     0.748    253.2
1959.0     0.747    253.8
1960.0     0.745    254.4
1961.0     0.744    254.9
1962.0     0.742    255.5
1963.0     0.740    256.1
1964.0     0.738    256.7
1965.0     0.735    257.3
1966.0     0.733    257.9
1967.0     0.730    258.5
1968.0     0.727    259.1
1969.0     0.724    259.7
1970.0     0.721    260.3
1971.0     0.717    261.0
1972.0     0.713    261.6
1973.0     0.710    262.2
1974.0     0.705    262.9
1975.0     0.701    263.5
1976.0     0.697    264.2
1977.0     0.692    264.9
1978.0     0.687    265.5
1979.0     0.682    266.2
1980.0     0.676    266.9
1981.0     0.671    267.6
1982.0     0.665    268.4
1983.0     0.659    269.1
1984.0     0.652    269.8
1985.0     0.646    270.6
1986.0     0.639    271.4
1987.0     0.632    272.2
1988.0     0.625    273.0
1989.0     0.617    273.8
1990.0     0.609    274.7
1991.0     0.601    275.6
1992.0     0.593    276.5
1993.0     0.585    277.4
1994.0     0.576    278.4
1995.0     0.567    279.4
1996.0     0.558    280.4
1997.0     0.548    281.4
1998.0     0.538    282.5
1999.0     0.529    283.7
2000.0     0.519    284.8
2001.0     0.508    286.1
2002.0     0.498    287.3
2003.0     0.487    288.7
2004.0     0.476    290.1
2005.0     0.466    291.5
2006.0     0.455    293.0
2007.0     0.444    294.6
2008.0     0.432    296.3
2009.0     0.421    298.1
2010.0     0.410    300.0
2011.0     0.399    301.9
2012.0     0.388    304.0
2013.0     0.378    306.2
2014.0     0.367    308.5
2015.0     0.357    311.0
2016.0     0.347    313.6
2017.0     0.337    316.4
2018.0     0.328    319.3
2019.0     0.320    322.4
2020.0     0.312    325.6
2021.0     0.304    329.0
2022.0     0.298    332.6
2023.0     0.292    336.3
2024.0     0.288    340.1
2025.0     0.284    344.1
2026.0     0.282    348.1
2027.0     0.280    352.2
2028.0     0.280    356.3
2029.0     0.281      0.4
2030.0     0.283      4.5
2031.0     0.286      8.4
2032.0     0.290     12.3
2033.0     0.295     16.1
2034.0     0.302     19.7
2035.0     0.308     23.2
2036.0     0.316     26.5
2037.0     0.325     29.7
2038.0     0.334     32.6
2039.0     0.343     35.5
2040.0     0.353     38.1
2041.0     0.364     40.6
2042.0     0.374     43.0
2043.0     0.385     45.2
2044.0     0.396     47.4
2045.0     0.408     49.4
2046.0     0.419     51.2
2047.0     0.431     53.0
2048.0     0.443     54.7
2049.0     0.454     56.3
2050.0     0.466     57.8
2051.0     0.478     59.3
2052.0     0.489     60.7
2053.0     0.501     62.0
2054.0     0.512     63.2
2055.0     0.523     64.5
2056.0     0.535     65.6
2057.0     0.546     66.7
2058.0     0.557     67.8
2059.0     0.567     68.8
2060.0     0.578     69.8
2061.0     0.588     70.7
2062.0     0.598     71.6
2063.0     0.608     72.5
2064.0     0.618     73.4
2065.0     0.628     74.2
2066.0     0.637     75.0
2067.0     0.647     75.8
2068.0     0.656     76.6
2069.0     0.664     77.3
2070.0     0.673     78.0
2071.0     0.682     78.7
2072.0     0.690     79.4
2073.0     0.698     80.1
2074.0     0.706     80.7
2075.0     0.713     81.4
2076.0     0.721     82.0
2077.0     0.728     82.6
2078.0     0.735     83.2
2079.0     0.742     83.8
2080.0     0.749     84.4
2081.0     0.755     85.0
2082.0     0.761     85.5
2083.0     0.767     86.1
2084.0     0.773     86.6
2085.0     0.779     87.2
2086.0     0.784     87.7
2087.0     0.790     88.2
2088.0     0.795     88.7
2089.0     0.800     89.2
2090.0     0.805     89.7
2091.0     0.809     90.2
2092.0     0.814     90.7
2093.0     0.818     91.2
2094.0     0.822     91.7
2095.0     0.826     92.2
2096.0     0.830     92.6
2097.0     0.834     93.1
2098.0     0.837     93.6
2099.0     0.841     94.0
2100.0     0.844     94.5
2101.0     0.847     94.9
2102.0     0.850     95.4
2103.0     0.852     95.8
2104.0     0.855     96.3
2105.0     0.858     96.7
2106.0     0.860     97.1
2107.0     0.862     97.6
2108.0     0.864     98.0
2109.0     0.866     98.4
2110.0     0.868     98.9
2111.0     0.870     99.3
2112.0     0.871     99.7
2113.0     0.873    100.1
2114.0     0.874    100.6
2115.0     0.875    101.0
2116.0     0.876    101.4
2117.0     0.877    101.8
2118.0     0.878    102.3
2119.0     0.879    102.7
2120.0     0.879    103.1
2121.0     0.880    103.5
2122.0     0.880    103.9
2123.0     0.881    104.3
2124.0     0.881    104.8
2125.0     0.881    105.2
2126.0     0.881    105.6
2127.0     0.881    106.0
2128.0     0.881    106.4
2129.0     0.881    106.8
2130.0     0.880    107.2
2131.0     0.880    107.7
2132.0     0.879    108.1
2133.0     0.879    108.5
2134.0     0.878    108.9
2135.0     0.877    109.3
2136.0     0.877    109.8
2137.0     0.876    110.2
2138.0     0.875    110.6
2139.0     0.874    111.0
2140.0     0.873    111.4
2141.0     0.871    111.9
2142.0     0.870    112.3
2143.0     0.869    112.7
2144.0     0.867    113.1
2145.0     0.866    113.6
2146.0     0.864    114.0
2147.0     0.863    114.4
2148.0     0.861    114.9
2149.0     0.859    115.3
2150.0     0.858    115.8
2151.0     0.856    116.2
2152.0     0.854    116.6
2153.0     0.852    117.1
2154.0     0.850    117.5
2155.0     0.848    118.0
2156.0     0.846    118.4
2157.0     0.844    118.9
2158.0     0.842    119.3
2159.0     0.839    119.8
2160.0     0.837    120.2
2161.0     0.835    120.7
2162.0     0.832    121.2
2163.0     0.830    121.6
2164.0     0.828    122.1
2165.0     0.825    122.6
2166.0     0.823    123.1
2167.0     0.820    123.5
2168.0     0.818    124.0
2169.0     0.815    124.5
2170.0     0.812    125.0
2171.0     0.810    125.5
2172.0     0.807    126.0
2173.0     0.805    126.5
2174.0     0.802    127.0
2175.0     0.799    127.5
2176.0     0.796    128.0
2177.0     0.794    128.5
2178.0     0.791    129.0
2179.0     0.788    129.5
2180.0     0.785    130.0
2181.0     0.782    130.6
2182.0     0.780    131.1
2183.0     0.777    131.6
2184.0     0.774    132.2
2185.0     0.771    132.7
2186.0     0.768    133.2
2187.0     0.765    133.8
2188.0     0.762    134.4
2189.0     0.759    134.9
2190.0     0.757    135.5
2191.0     0.754    136.0
2192.0     0.751    136.6
2193.0     0.748    137.2
2194.0     0.745    137.8
2195.0     0.742    138.3
2196.0     0.739    138.9
2197.0     0.736    139.5
2198.0     0.734    140.1
2199.0     0.731    140.7
2200.0     0.728    141.3
2201.0     0.725    141.9
2202.0     0.722    142.6
2203.0     0.720    143.2
2204.0     0.717    143.8
2205.0     0.714    144.4
2206.0     0.711    145.1
2207.0     0.709    145.7
2208.0     0.706    146.4
2209.0     0.704    147.0
2210.0     0.701    147.7
2211.0     0.698    148.3
2212.0     0.696    149.0
2213.0     0.693    149.6
2214.0     0.691    150.3
2215.0     0.688    151.0
2216.0     0.686    151.7
2217.0     0.684    152.4
2218.0     0.681    153.1
2219.0     0.679    153.8
2220.0     0.677    154.5
2221.0     0.674    155.2
2222.0     0.672    155.9
2223.0     0.670    156.6
2224.0     0.668    157.3
2225.0     0.666    158.0






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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