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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:16:46

Orbital Elements for B808
WDS: B808 WDS ID/Discoverer
P: 350.000 Orbital period (years)
a: 0.313 Semi-major axis (arcseconds)
i: 31.3 Inclination (degrees)
Ω: 19.4 Longitude of ascending node (degrees)
T: 1929.380 Epoch of periastron passage (year)
e: 0.322 Eccentricity
ω: 164.7 Longitude of periastron (degrees)
Start-Year: 1850.0 Year
End-Year: 2200.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B808
Position: 131805.40-382855.7 Epoch-2000 right ascension and declination
WDS-ID: 13181-3829 WDS designation
Discoverer Code: B808 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 115493 HD catalog number
Hipparcos number: 64893 Hipparcos catalog number
V1: 10.09 Magnitude of the primary
V2: 10.47 Magnitude of the secondary
Equinox: Equinox
Date: 2021 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for B808



WDS 6th Orbit including measures of B808

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


Ephemeris of B808
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.314    318.8
-------------------------
1850.0     0.306     61.8
1851.0     0.303     62.6
1852.0     0.301     63.5
1853.0     0.299     64.4
1854.0     0.296     65.4
1855.0     0.294     66.3
1856.0     0.292     67.2
1857.0     0.289     68.2
1858.0     0.287     69.2
1859.0     0.284     70.2
1860.0     0.282     71.2
1861.0     0.280     72.2
1862.0     0.277     73.3
1863.0     0.275     74.4
1864.0     0.273     75.5
1865.0     0.270     76.6
1866.0     0.268     77.7
1867.0     0.266     78.8
1868.0     0.263     80.0
1869.0     0.261     81.2
1870.0     0.259     82.4
1871.0     0.256     83.6
1872.0     0.254     84.9
1873.0     0.252     86.1
1874.0     0.250     87.4
1875.0     0.247     88.8
1876.0     0.245     90.1
1877.0     0.243     91.5
1878.0     0.241     92.9
1879.0     0.239     94.3
1880.0     0.237     95.7
1881.0     0.235     97.2
1882.0     0.233     98.7
1883.0     0.231    100.2
1884.0     0.229    101.7
1885.0     0.227    103.3
1886.0     0.226    104.9
1887.0     0.224    106.5
1888.0     0.222    108.2
1889.0     0.221    109.8
1890.0     0.219    111.5
1891.0     0.218    113.2
1892.0     0.216    114.9
1893.0     0.215    116.7
1894.0     0.214    118.5
1895.0     0.212    120.3
1896.0     0.211    122.1
1897.0     0.210    123.9
1898.0     0.209    125.8
1899.0     0.208    127.7
1900.0     0.208    129.5
1901.0     0.207    131.4
1902.0     0.206    133.3
1903.0     0.206    135.3
1904.0     0.205    137.2
1905.0     0.205    139.1
1906.0     0.204    141.1
1907.0     0.204    143.1
1908.0     0.204    145.0
1909.0     0.204    147.0
1910.0     0.203    149.0
1911.0     0.203    150.9
1912.0     0.203    152.9
1913.0     0.204    154.9
1914.0     0.204    156.8
1915.0     0.204    158.8
1916.0     0.204    160.7
1917.0     0.204    162.7
1918.0     0.205    164.7
1919.0     0.205    166.6
1920.0     0.206    168.5
1921.0     0.206    170.5
1922.0     0.206    172.4
1923.0     0.207    174.3
1924.0     0.207    176.2
1925.0     0.208    178.1
1926.0     0.208    180.0
1927.0     0.209    181.8
1928.0     0.209    183.7
1929.0     0.210    185.5
1930.0     0.211    187.4
1931.0     0.211    189.2
1932.0     0.212    191.0
1933.0     0.212    192.9
1934.0     0.213    194.7
1935.0     0.213    196.5
1936.0     0.214    198.3
1937.0     0.214    200.0
1938.0     0.215    201.8
1939.0     0.215    203.6
1940.0     0.216    205.3
1941.0     0.216    207.1
1942.0     0.217    208.8
1943.0     0.217    210.5
1944.0     0.218    212.3
1945.0     0.218    214.0
1946.0     0.218    215.7
1947.0     0.219    217.4
1948.0     0.219    219.1
1949.0     0.220    220.8
1950.0     0.220    222.5
1951.0     0.221    224.2
1952.0     0.221    225.8
1953.0     0.221    227.5
1954.0     0.222    229.2
1955.0     0.222    230.8
1956.0     0.223    232.5
1957.0     0.223    234.1
1958.0     0.224    235.7
1959.0     0.224    237.4
1960.0     0.225    239.0
1961.0     0.225    240.6
1962.0     0.226    242.2
1963.0     0.226    243.8
1964.0     0.227    245.4
1965.0     0.228    247.0
1966.0     0.228    248.5
1967.0     0.229    250.1
1968.0     0.230    251.6
1969.0     0.230    253.2
1970.0     0.231    254.7
1971.0     0.232    256.2
1972.0     0.233    257.7
1973.0     0.234    259.2
1974.0     0.235    260.7
1975.0     0.236    262.2
1976.0     0.237    263.6
1977.0     0.238    265.1
1978.0     0.239    266.5
1979.0     0.240    268.0
1980.0     0.241    269.4
1981.0     0.242    270.8
1982.0     0.243    272.1
1983.0     0.244    273.5
1984.0     0.246    274.9
1985.0     0.247    276.2
1986.0     0.248    277.6
1987.0     0.250    278.9
1988.0     0.251    280.2
1989.0     0.252    281.5
1990.0     0.254    282.7
1991.0     0.255    284.0
1992.0     0.257    285.2
1993.0     0.258    286.5
1994.0     0.260    287.7
1995.0     0.261    288.9
1996.0     0.263    290.1
1997.0     0.264    291.2
1998.0     0.266    292.4
1999.0     0.268    293.5
2000.0     0.269    294.7
2001.0     0.271    295.8
2002.0     0.273    296.9
2003.0     0.274    298.0
2004.0     0.276    299.1
2005.0     0.278    300.1
2006.0     0.280    301.2
2007.0     0.281    302.2
2008.0     0.283    303.2
2009.0     0.285    304.2
2010.0     0.287    305.2
2011.0     0.289    306.2
2012.0     0.290    307.2
2013.0     0.292    308.1
2014.0     0.294    309.1
2015.0     0.296    310.0
2016.0     0.298    311.0
2017.0     0.300    311.9
2018.0     0.301    312.8
2019.0     0.303    313.7
2020.0     0.305    314.5
2021.0     0.307    315.4
2022.0     0.309    316.3
2023.0     0.311    317.1
2024.0     0.312    318.0
2025.0     0.314    318.8
2026.0     0.316    319.6
2027.0     0.318    320.4
2028.0     0.320    321.2
2029.0     0.322    322.0
2030.0     0.323    322.8
2031.0     0.325    323.6
2032.0     0.327    324.3
2033.0     0.329    325.1
2034.0     0.331    325.9
2035.0     0.332    326.6
2036.0     0.334    327.3
2037.0     0.336    328.1
2038.0     0.338    328.8
2039.0     0.339    329.5
2040.0     0.341    330.2
2041.0     0.343    330.9
2042.0     0.344    331.6
2043.0     0.346    332.3
2044.0     0.348    332.9
2045.0     0.349    333.6
2046.0     0.351    334.3
2047.0     0.353    334.9
2048.0     0.354    335.6
2049.0     0.356    336.2
2050.0     0.357    336.9
2051.0     0.359    337.5
2052.0     0.360    338.1
2053.0     0.362    338.8
2054.0     0.363    339.4
2055.0     0.365    340.0
2056.0     0.366    340.6
2057.0     0.368    341.2
2058.0     0.369    341.8
2059.0     0.371    342.4
2060.0     0.372    343.0
2061.0     0.373    343.6
2062.0     0.375    344.2
2063.0     0.376    344.7
2064.0     0.377    345.3
2065.0     0.379    345.9
2066.0     0.380    346.5
2067.0     0.381    347.0
2068.0     0.382    347.6
2069.0     0.384    348.1
2070.0     0.385    348.7
2071.0     0.386    349.2
2072.0     0.387    349.8
2073.0     0.388    350.3
2074.0     0.389    350.9
2075.0     0.390    351.4
2076.0     0.391    351.9
2077.0     0.392    352.5
2078.0     0.393    353.0
2079.0     0.394    353.5
2080.0     0.395    354.1
2081.0     0.396    354.6
2082.0     0.397    355.1
2083.0     0.398    355.6
2084.0     0.399    356.1
2085.0     0.399    356.6
2086.0     0.400    357.1
2087.0     0.401    357.7
2088.0     0.402    358.2
2089.0     0.402    358.7
2090.0     0.403    359.2
2091.0     0.404    359.7
2092.0     0.404      0.2
2093.0     0.405      0.7
2094.0     0.406      1.2
2095.0     0.406      1.7
2096.0     0.407      2.1
2097.0     0.407      2.6
2098.0     0.408      3.1
2099.0     0.408      3.6
2100.0     0.408      4.1
2101.0     0.409      4.6
2102.0     0.409      5.1
2103.0     0.409      5.6
2104.0     0.410      6.1
2105.0     0.410      6.5
2106.0     0.410      7.0
2107.0     0.411      7.5
2108.0     0.411      8.0
2109.0     0.411      8.5
2110.0     0.411      9.0
2111.0     0.411      9.4
2112.0     0.411      9.9
2113.0     0.411     10.4
2114.0     0.411     10.9
2115.0     0.411     11.4
2116.0     0.411     11.9
2117.0     0.411     12.3
2118.0     0.411     12.8
2119.0     0.411     13.3
2120.0     0.411     13.8
2121.0     0.411     14.3
2122.0     0.410     14.8
2123.0     0.410     15.2
2124.0     0.410     15.7
2125.0     0.410     16.2
2126.0     0.409     16.7
2127.0     0.409     17.2
2128.0     0.409     17.7
2129.0     0.408     18.2
2130.0     0.408     18.6
2131.0     0.407     19.1
2132.0     0.407     19.6
2133.0     0.406     20.1
2134.0     0.406     20.6
2135.0     0.405     21.1
2136.0     0.404     21.6
2137.0     0.404     22.1
2138.0     0.403     22.6
2139.0     0.402     23.1
2140.0     0.402     23.6
2141.0     0.401     24.1
2142.0     0.400     24.6
2143.0     0.399     25.1
2144.0     0.398     25.7
2145.0     0.397     26.2
2146.0     0.397     26.7
2147.0     0.396     27.2
2148.0     0.395     27.7
2149.0     0.394     28.3
2150.0     0.393     28.8
2151.0     0.391     29.3
2152.0     0.390     29.8
2153.0     0.389     30.4
2154.0     0.388     30.9
2155.0     0.387     31.5
2156.0     0.386     32.0
2157.0     0.384     32.6
2158.0     0.383     33.1
2159.0     0.382     33.7
2160.0     0.381     34.2
2161.0     0.379     34.8
2162.0     0.378     35.4
2163.0     0.376     35.9
2164.0     0.375     36.5
2165.0     0.373     37.1
2166.0     0.372     37.7
2167.0     0.370     38.3
2168.0     0.369     38.9
2169.0     0.367     39.5
2170.0     0.366     40.1
2171.0     0.364     40.7
2172.0     0.362     41.3
2173.0     0.361     41.9
2174.0     0.359     42.6
2175.0     0.357     43.2
2176.0     0.355     43.8
2177.0     0.353     44.5
2178.0     0.352     45.2
2179.0     0.350     45.8
2180.0     0.348     46.5
2181.0     0.346     47.2
2182.0     0.344     47.8
2183.0     0.342     48.5
2184.0     0.340     49.2
2185.0     0.338     49.9
2186.0     0.336     50.7
2187.0     0.334     51.4
2188.0     0.332     52.1
2189.0     0.330     52.9
2190.0     0.328     53.6
2191.0     0.326     54.4
2192.0     0.323     55.2
2193.0     0.321     55.9
2194.0     0.319     56.7
2195.0     0.317     57.6
2196.0     0.315     58.4
2197.0     0.312     59.2
2198.0     0.310     60.0
2199.0     0.308     60.9






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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