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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:29:45

Orbital Elements for A513AB
WDS: A513AB WDS ID/Discoverer
P: 347.000 Orbital period (years)
a: 0.674 Semi-major axis (arcseconds)
i: 126.0 Inclination (degrees)
Ω: 78.6 Longitude of ascending node (degrees)
T: 1970.000 Epoch of periastron passage (year)
e: 0.31 Eccentricity
ω: 197.5 Longitude of periastron (degrees)
Start-Year: 1852.0 Year
End-Year: 2198.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A513AB
Position: 065245.07+245806.2 Epoch-2000 right ascension and declination
WDS-ID: 06528+2458 WDS designation
Discoverer Code: A513AB Discover designation and components
ADS number: 5535 Aitken Double Star catalog
HD number: 50106 HD catalog number
Hipparcos number: 33011 Hipparcos catalog number
V1: 9.9 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A513AB



WDS 6th Orbit including measures of A513AB

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


Ephemeris of A513AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.400    137.1
-------------------------
1852.0     0.639     42.6
1853.0     0.633     42.0
1854.0     0.628     41.3
1855.0     0.622     40.7
1856.0     0.616     40.0
1857.0     0.611     39.3
1858.0     0.605     38.6
1859.0     0.599     37.8
1860.0     0.593     37.1
1861.0     0.587     36.3
1862.0     0.582     35.6
1863.0     0.576     34.8
1864.0     0.570     34.0
1865.0     0.564     33.2
1866.0     0.558     32.3
1867.0     0.552     31.5
1868.0     0.546     30.6
1869.0     0.541     29.7
1870.0     0.535     28.8
1871.0     0.529     27.9
1872.0     0.523     26.9
1873.0     0.518     25.9
1874.0     0.512     24.9
1875.0     0.506     23.9
1876.0     0.501     22.9
1877.0     0.495     21.8
1878.0     0.490     20.7
1879.0     0.484     19.6
1880.0     0.479     18.5
1881.0     0.474     17.3
1882.0     0.468     16.1
1883.0     0.463     14.9
1884.0     0.458     13.7
1885.0     0.454     12.4
1886.0     0.449     11.1
1887.0     0.444      9.8
1888.0     0.440      8.5
1889.0     0.435      7.1
1890.0     0.431      5.7
1891.0     0.427      4.2
1892.0     0.423      2.8
1893.0     0.419      1.3
1894.0     0.415    359.8
1895.0     0.412    358.2
1896.0     0.408    356.7
1897.0     0.405    355.1
1898.0     0.402    353.5
1899.0     0.400    351.8
1900.0     0.397    350.2
1901.0     0.395    348.5
1902.0     0.393    346.8
1903.0     0.391    345.1
1904.0     0.389    343.3
1905.0     0.388    341.6
1906.0     0.386    339.8
1907.0     0.385    338.1
1908.0     0.385    336.3
1909.0     0.384    334.5
1910.0     0.384    332.7
1911.0     0.384    330.9
1912.0     0.384    329.1
1913.0     0.384    327.4
1914.0     0.385    325.6
1915.0     0.385    323.8
1916.0     0.386    322.0
1917.0     0.388    320.3
1918.0     0.389    318.5
1919.0     0.391    316.8
1920.0     0.392    315.1
1921.0     0.394    313.4
1922.0     0.396    311.7
1923.0     0.398    310.0
1924.0     0.401    308.4
1925.0     0.403    306.7
1926.0     0.406    305.1
1927.0     0.408    303.5
1928.0     0.411    302.0
1929.0     0.414    300.4
1930.0     0.417    298.9
1931.0     0.420    297.4
1932.0     0.423    295.9
1933.0     0.426    294.4
1934.0     0.429    293.0
1935.0     0.432    291.6
1936.0     0.435    290.2
1937.0     0.438    288.8
1938.0     0.441    287.4
1939.0     0.443    286.1
1940.0     0.446    284.7
1941.0     0.449    283.4
1942.0     0.452    282.1
1943.0     0.454    280.8
1944.0     0.457    279.6
1945.0     0.459    278.3
1946.0     0.461    277.1
1947.0     0.463    275.8
1948.0     0.465    274.6
1949.0     0.467    273.4
1950.0     0.468    272.2
1951.0     0.470    271.0
1952.0     0.471    269.8
1953.0     0.472    268.6
1954.0     0.472    267.4
1955.0     0.473    266.3
1956.0     0.473    265.1
1957.0     0.473    263.9
1958.0     0.473    262.7
1959.0     0.472    261.6
1960.0     0.472    260.4
1961.0     0.471    259.2
1962.0     0.470    258.0
1963.0     0.468    256.8
1964.0     0.466    255.6
1965.0     0.464    254.4
1966.0     0.462    253.1
1967.0     0.460    251.9
1968.0     0.457    250.7
1969.0     0.454    249.4
1970.0     0.451    248.1
1971.0     0.448    246.8
1972.0     0.444    245.5
1973.0     0.440    244.1
1974.0     0.436    242.8
1975.0     0.432    241.4
1976.0     0.428    239.9
1977.0     0.424    238.5
1978.0     0.419    237.0
1979.0     0.414    235.5
1980.0     0.409    233.9
1981.0     0.404    232.3
1982.0     0.400    230.7
1983.0     0.395    229.0
1984.0     0.390    227.3
1985.0     0.384    225.6
1986.0     0.379    223.8
1987.0     0.375    221.9
1988.0     0.370    220.0
1989.0     0.365    218.1
1990.0     0.360    216.0
1991.0     0.356    214.0
1992.0     0.351    211.9
1993.0     0.347    209.7
1994.0     0.343    207.5
1995.0     0.340    205.3
1996.0     0.336    203.0
1997.0     0.333    200.6
1998.0     0.330    198.2
1999.0     0.328    195.8
2000.0     0.326    193.3
2001.0     0.324    190.8
2002.0     0.323    188.3
2003.0     0.322    185.8
2004.0     0.322    183.2
2005.0     0.322    180.7
2006.0     0.322    178.2
2007.0     0.323    175.6
2008.0     0.324    173.1
2009.0     0.326    170.6
2010.0     0.328    168.1
2011.0     0.330    165.7
2012.0     0.333    163.3
2013.0     0.337    161.0
2014.0     0.340    158.7
2015.0     0.344    156.4
2016.0     0.349    154.2
2017.0     0.353    152.1
2018.0     0.358    150.0
2019.0     0.364    148.0
2020.0     0.369    146.0
2021.0     0.375    144.1
2022.0     0.381    142.3
2023.0     0.387    140.5
2024.0     0.394    138.8
2025.0     0.400    137.1
2026.0     0.407    135.5
2027.0     0.414    133.9
2028.0     0.421    132.4
2029.0     0.428    130.9
2030.0     0.435    129.5
2031.0     0.442    128.2
2032.0     0.450    126.8
2033.0     0.457    125.6
2034.0     0.465    124.3
2035.0     0.472    123.1
2036.0     0.480    122.0
2037.0     0.487    120.8
2038.0     0.495    119.7
2039.0     0.503    118.7
2040.0     0.510    117.7
2041.0     0.518    116.7
2042.0     0.525    115.7
2043.0     0.533    114.7
2044.0     0.541    113.8
2045.0     0.548    112.9
2046.0     0.556    112.1
2047.0     0.563    111.2
2048.0     0.570    110.4
2049.0     0.578    109.6
2050.0     0.585    108.8
2051.0     0.592    108.1
2052.0     0.600    107.3
2053.0     0.607    106.6
2054.0     0.614    105.9
2055.0     0.621    105.2
2056.0     0.628    104.5
2057.0     0.634    103.9
2058.0     0.641    103.2
2059.0     0.648    102.6
2060.0     0.654    102.0
2061.0     0.661    101.4
2062.0     0.667    100.8
2063.0     0.674    100.2
2064.0     0.680     99.6
2065.0     0.686     99.0
2066.0     0.692     98.5
2067.0     0.698     97.9
2068.0     0.704     97.4
2069.0     0.710     96.9
2070.0     0.716     96.4
2071.0     0.721     95.9
2072.0     0.727     95.4
2073.0     0.732     94.9
2074.0     0.737     94.4
2075.0     0.743     93.9
2076.0     0.748     93.4
2077.0     0.753     92.9
2078.0     0.758     92.5
2079.0     0.762     92.0
2080.0     0.767     91.6
2081.0     0.772     91.1
2082.0     0.776     90.7
2083.0     0.781     90.3
2084.0     0.785     89.8
2085.0     0.789     89.4
2086.0     0.793     89.0
2087.0     0.797     88.6
2088.0     0.801     88.2
2089.0     0.805     87.7
2090.0     0.809     87.3
2091.0     0.812     86.9
2092.0     0.816     86.5
2093.0     0.819     86.1
2094.0     0.822     85.8
2095.0     0.825     85.4
2096.0     0.828     85.0
2097.0     0.831     84.6
2098.0     0.834     84.2
2099.0     0.837     83.8
2100.0     0.840     83.5
2101.0     0.842     83.1
2102.0     0.845     82.7
2103.0     0.847     82.4
2104.0     0.849     82.0
2105.0     0.851     81.6
2106.0     0.853     81.3
2107.0     0.855     80.9
2108.0     0.857     80.5
2109.0     0.859     80.2
2110.0     0.860     79.8
2111.0     0.862     79.5
2112.0     0.863     79.1
2113.0     0.864     78.8
2114.0     0.866     78.4
2115.0     0.867     78.1
2116.0     0.868     77.7
2117.0     0.869     77.4
2118.0     0.869     77.0
2119.0     0.870     76.7
2120.0     0.871     76.3
2121.0     0.871     76.0
2122.0     0.871     75.6
2123.0     0.872     75.3
2124.0     0.872     74.9
2125.0     0.872     74.6
2126.0     0.872     74.2
2127.0     0.872     73.9
2128.0     0.872     73.5
2129.0     0.871     73.2
2130.0     0.871     72.9
2131.0     0.871     72.5
2132.0     0.870     72.2
2133.0     0.869     71.8
2134.0     0.869     71.5
2135.0     0.868     71.1
2136.0     0.867     70.8
2137.0     0.866     70.4
2138.0     0.864     70.1
2139.0     0.863     69.7
2140.0     0.862     69.3
2141.0     0.860     69.0
2142.0     0.859     68.6
2143.0     0.857     68.3
2144.0     0.856     67.9
2145.0     0.854     67.6
2146.0     0.852     67.2
2147.0     0.850     66.8
2148.0     0.848     66.5
2149.0     0.846     66.1
2150.0     0.843     65.7
2151.0     0.841     65.4
2152.0     0.839     65.0
2153.0     0.836     64.6
2154.0     0.833     64.2
2155.0     0.831     63.9
2156.0     0.828     63.5
2157.0     0.825     63.1
2158.0     0.822     62.7
2159.0     0.819     62.3
2160.0     0.816     61.9
2161.0     0.813     61.5
2162.0     0.810     61.1
2163.0     0.806     60.7
2164.0     0.803     60.3
2165.0     0.799     59.9
2166.0     0.796     59.5
2167.0     0.792     59.1
2168.0     0.788     58.6
2169.0     0.784     58.2
2170.0     0.781     57.8
2171.0     0.777     57.3
2172.0     0.773     56.9
2173.0     0.768     56.5
2174.0     0.764     56.0
2175.0     0.760     55.6
2176.0     0.756     55.1
2177.0     0.751     54.6
2178.0     0.747     54.2
2179.0     0.742     53.7
2180.0     0.738     53.2
2181.0     0.733     52.7
2182.0     0.728     52.2
2183.0     0.723     51.7
2184.0     0.718     51.2
2185.0     0.714     50.7
2186.0     0.709     50.2
2187.0     0.704     49.7
2188.0     0.698     49.1
2189.0     0.693     48.6
2190.0     0.688     48.0
2191.0     0.683     47.5
2192.0     0.678     46.9
2193.0     0.672     46.3
2194.0     0.667     45.7
2195.0     0.661     45.1
2196.0     0.656     44.5
2197.0     0.650     43.9






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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