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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:30:34

Orbital Elements for A2008AB
WDS: A2008AB WDS ID/Discoverer
P: 194.360 Orbital period (years)
a: 0.376 Semi-major axis (arcseconds)
i: 126.5 Inclination (degrees)
Ω: 131.3 Longitude of ascending node (degrees)
T: 2050.083 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 247.8 Longitude of periastron (degrees)
Start-Year: 1928.0 Year
End-Year: 2122.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2008AB
Position: 014311.90+051931.2 Epoch-2000 right ascension and declination
WDS-ID: 01432+0520 WDS designation
Discoverer Code: A2008AB Discover designation and components
ADS number: 1355 Aitken Double Star catalog
HD number: 10568 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.2 Magnitude of the primary
V2: 10.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for A2008AB



WDS 6th Orbit including measures of A2008AB

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


Ephemeris of A2008AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.283    335.7
-------------------------
1928.0     0.425     96.5
1929.0     0.424     95.7
1930.0     0.422     95.0
1931.0     0.421     94.2
1932.0     0.419     93.5
1933.0     0.418     92.7
1934.0     0.416     91.9
1935.0     0.415     91.1
1936.0     0.413     90.4
1937.0     0.411     89.6
1938.0     0.409     88.8
1939.0     0.407     87.9
1940.0     0.405     87.1
1941.0     0.403     86.3
1942.0     0.401     85.5
1943.0     0.399     84.6
1944.0     0.397     83.8
1945.0     0.395     82.9
1946.0     0.393     82.0
1947.0     0.390     81.2
1948.0     0.388     80.3
1949.0     0.386     79.4
1950.0     0.384     78.5
1951.0     0.381     77.5
1952.0     0.379     76.6
1953.0     0.376     75.7
1954.0     0.374     74.7
1955.0     0.372     73.7
1956.0     0.369     72.7
1957.0     0.367     71.8
1958.0     0.364     70.7
1959.0     0.362     69.7
1960.0     0.360     68.7
1961.0     0.357     67.6
1962.0     0.355     66.6
1963.0     0.353     65.5
1964.0     0.350     64.4
1965.0     0.348     63.3
1966.0     0.345     62.2
1967.0     0.343     61.0
1968.0     0.341     59.9
1969.0     0.339     58.7
1970.0     0.336     57.5
1971.0     0.334     56.3
1972.0     0.332     55.1
1973.0     0.330     53.9
1974.0     0.328     52.6
1975.0     0.326     51.4
1976.0     0.324     50.1
1977.0     0.322     48.8
1978.0     0.320     47.5
1979.0     0.318     46.2
1980.0     0.317     44.8
1981.0     0.315     43.5
1982.0     0.313     42.1
1983.0     0.312     40.7
1984.0     0.310     39.3
1985.0     0.309     37.9
1986.0     0.307     36.5
1987.0     0.306     35.1
1988.0     0.305     33.6
1989.0     0.304     32.2
1990.0     0.302     30.7
1991.0     0.301     29.2
1992.0     0.300     27.7
1993.0     0.299     26.2
1994.0     0.299     24.7
1995.0     0.298     23.2
1996.0     0.297     21.7
1997.0     0.296     20.1
1998.0     0.296     18.6
1999.0     0.295     17.1
2000.0     0.295     15.5
2001.0     0.294     14.0
2002.0     0.294     12.4
2003.0     0.294     10.8
2004.0     0.293      9.3
2005.0     0.293      7.7
2006.0     0.293      6.1
2007.0     0.293      4.6
2008.0     0.293      3.0
2009.0     0.292      1.4
2010.0     0.292    359.8
2011.0     0.292    358.3
2012.0     0.292    356.7
2013.0     0.292    355.1
2014.0     0.291    353.5
2015.0     0.291    351.9
2016.0     0.291    350.3
2017.0     0.290    348.7
2018.0     0.290    347.1
2019.0     0.289    345.5
2020.0     0.289    343.9
2021.0     0.288    342.3
2022.0     0.287    340.6
2023.0     0.286    339.0
2024.0     0.285    337.3
2025.0     0.283    335.7
2026.0     0.281    334.0
2027.0     0.280    332.3
2028.0     0.277    330.5
2029.0     0.275    328.7
2030.0     0.272    326.9
2031.0     0.269    325.1
2032.0     0.265    323.2
2033.0     0.262    321.3
2034.0     0.257    319.3
2035.0     0.252    317.2
2036.0     0.247    315.0
2037.0     0.241    312.8
2038.0     0.235    310.4
2039.0     0.228    307.9
2040.0     0.220    305.2
2041.0     0.212    302.3
2042.0     0.203    299.1
2043.0     0.194    295.7
2044.0     0.184    291.9
2045.0     0.174    287.7
2046.0     0.164    283.0
2047.0     0.153    277.6
2048.0     0.143    271.5
2049.0     0.134    264.4
2050.0     0.126    256.5
2051.0     0.120    247.5
2052.0     0.116    237.8
2053.0     0.114    227.5
2054.0     0.116    217.2
2055.0     0.119    207.4
2056.0     0.126    198.4
2057.0     0.134    190.4
2058.0     0.144    183.4
2059.0     0.155    177.4
2060.0     0.166    172.1
2061.0     0.178    167.5
2062.0     0.190    163.5
2063.0     0.201    160.0
2064.0     0.213    156.8
2065.0     0.225    154.0
2066.0     0.236    151.5
2067.0     0.247    149.2
2068.0     0.258    147.1
2069.0     0.268    145.1
2070.0     0.278    143.3
2071.0     0.287    141.6
2072.0     0.296    140.0
2073.0     0.305    138.5
2074.0     0.313    137.1
2075.0     0.321    135.8
2076.0     0.329    134.5
2077.0     0.336    133.3
2078.0     0.343    132.1
2079.0     0.350    131.0
2080.0     0.356    129.9
2081.0     0.362    128.8
2082.0     0.367    127.8
2083.0     0.373    126.8
2084.0     0.378    125.9
2085.0     0.382    124.9
2086.0     0.387    124.0
2087.0     0.391    123.1
2088.0     0.395    122.3
2089.0     0.399    121.4
2090.0     0.402    120.6
2091.0     0.406    119.8
2092.0     0.409    118.9
2093.0     0.412    118.1
2094.0     0.414    117.3
2095.0     0.417    116.6
2096.0     0.419    115.8
2097.0     0.421    115.0
2098.0     0.423    114.3
2099.0     0.425    113.5
2100.0     0.426    112.8
2101.0     0.427    112.0
2102.0     0.429    111.3
2103.0     0.430    110.6
2104.0     0.431    109.8
2105.0     0.431    109.1
2106.0     0.432    108.4
2107.0     0.432    107.7
2108.0     0.433    106.9
2109.0     0.433    106.2
2110.0     0.433    105.5
2111.0     0.433    104.8
2112.0     0.433    104.1
2113.0     0.432    103.3
2114.0     0.432    102.6
2115.0     0.432    101.9
2116.0     0.431    101.2
2117.0     0.430    100.4
2118.0     0.429     99.7
2119.0     0.429     99.0
2120.0     0.428     98.2
2121.0     0.427     97.5






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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