Double Star Calculator - Orbit

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: 1927.82 Year
End-Year: 2122.18 Year
Epoch: 2026.5 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
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2022g Reference

Double Star Orbit for A2008AB



WDS 6th Orbit including measures of A2008AB

-- 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 A2008AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.281   333.12
--------------------------
1927.82    0.425    96.63
1928.82    0.424    95.88
1929.82    0.423    95.13
1930.82    0.421    94.37
1931.82    0.420    93.61
1932.82    0.418    92.84
1933.82    0.417    92.06
1934.82    0.415    91.28
1935.82    0.413    90.50
1936.82    0.411    89.70
1937.82    0.410    88.90
1938.82    0.408    88.09
1939.82    0.406    87.28
1940.82    0.404    86.45
1941.82    0.402    85.62
1942.82    0.400    84.78
1943.82    0.397    83.93
1944.82    0.395    83.07
1945.82    0.393    82.20
1946.82    0.391    81.33
1947.82    0.389    80.44
1948.82    0.386    79.54
1949.82    0.384    78.63
1950.82    0.382    77.71
1951.82    0.379    76.78
1952.82    0.377    75.83
1953.82    0.375    74.88
1954.82    0.372    73.91
1955.82    0.370    72.93
1956.82    0.367    71.93
1957.82    0.365    70.93
1958.82    0.362    69.91
1959.82    0.360    68.87
1960.82    0.358    67.83
1961.82    0.355    66.77
1962.82    0.353    65.69
1963.82    0.351    64.60
1964.82    0.348    63.50
1965.82    0.346    62.38
1966.82    0.344    61.24
1967.82    0.341    60.09
1968.82    0.339    58.92
1969.82    0.337    57.74
1970.82    0.335    56.55
1971.82    0.333    55.33
1972.82    0.330    54.11
1973.82    0.328    52.86
1974.82    0.326    51.60
1975.82    0.324    50.33
1976.82    0.322    49.04
1977.82    0.321    47.73
1978.82    0.319    46.41
1979.82    0.317    45.08
1980.82    0.315    43.73
1981.82    0.314    42.36
1982.82    0.312    40.98
1983.82    0.310    39.59
1984.82    0.309    38.19
1985.82    0.308    36.77
1986.82    0.306    35.33
1987.82    0.305    33.89
1988.82    0.304    32.43
1989.82    0.303    30.97
1990.82    0.302    29.49
1991.82    0.301    28.00
1992.82    0.300    26.50
1993.82    0.299    24.99
1994.82    0.298    23.48
1995.82    0.297    21.96
1996.82    0.297    20.43
1997.82    0.296    18.89
1998.82    0.295    17.35
1999.82    0.295    15.80
2000.82    0.294    14.24
2001.82    0.294    12.69
2002.82    0.294    11.13
2003.82    0.293     9.56
2004.82    0.293     7.99
2005.82    0.293     6.42
2006.82    0.293     4.85
2007.82    0.293     3.27
2008.82    0.292     1.70
2009.82    0.292     0.12
2010.82    0.292   358.54
2011.82    0.292   356.96
2012.82    0.292   355.37
2013.82    0.291   353.78
2014.82    0.291   352.20
2015.82    0.291   350.60
2016.82    0.290   349.01
2017.82    0.290   347.40
2018.82    0.289   345.80
2019.82    0.289   344.18
2020.82    0.288   342.56
2021.82    0.287   340.93
2022.82    0.286   339.29
2023.82    0.285   337.64
2024.82    0.283   335.96
2025.82    0.282   334.28
2026.82    0.280   332.57
2027.82    0.278   330.83
2028.82    0.275   329.07
2029.82    0.273   327.27
2030.82    0.270   325.44
2031.82    0.266   323.56
2032.82    0.262   321.62
2033.82    0.258   319.63
2034.82    0.253   317.57
2035.82    0.248   315.42
2036.82    0.242   313.17
2037.82    0.236   310.81
2038.82    0.229   308.32
2039.82    0.221   305.66
2040.82    0.213   302.80
2041.82    0.205   299.72
2042.82    0.196   296.35
2043.82    0.186   292.64
2044.82    0.176   288.51
2045.82    0.165   283.87
2046.82    0.155   278.62
2047.82    0.145   272.63
2048.82    0.136   265.78
2049.82    0.127   257.97
2050.82    0.121   249.19
2051.82    0.116   239.56
2052.82    0.114   229.37
2053.82    0.115   219.07
2054.82    0.119   209.14
2055.82    0.125   199.98
2056.82    0.133   191.79
2057.82    0.142   184.61
2058.82    0.153   178.38
2059.82    0.164   172.98
2060.82    0.176   168.29
2061.82    0.187   164.19
2062.82    0.199   160.58
2063.82    0.211   157.38
2064.82    0.223   154.51
2065.82    0.234   151.92
2066.82    0.245   149.57
2067.82    0.256   147.42
2068.82    0.266   145.44
2069.82    0.276   143.60
2070.82    0.286   141.89
2071.82    0.295   140.29
2072.82    0.303   138.78
2073.82    0.312   137.35
2074.82    0.320   136.00
2075.82    0.328   134.71
2076.82    0.335   133.48
2077.82    0.342   132.31
2078.82    0.348   131.17
2079.82    0.355   130.08
2080.82    0.361   129.03
2081.82    0.366   128.01
2082.82    0.372   127.02
2083.82    0.377   126.05
2084.82    0.382   125.12
2085.82    0.386   124.20
2086.82    0.390   123.31
2087.82    0.395   122.43
2088.82    0.398   121.57
2089.82    0.402   120.73
2090.82    0.405   119.90
2091.82    0.408   119.09
2092.82    0.411   118.28
2093.82    0.414   117.49
2094.82    0.416   116.71
2095.82    0.419   115.93
2096.82    0.421   115.17
2097.82    0.423   114.41
2098.82    0.424   113.65
2099.82    0.426   112.91
2100.82    0.427   112.17
2101.82    0.428   111.43
2102.82    0.429   110.70
2103.82    0.430   109.97
2104.82    0.431   109.24
2105.82    0.432   108.52
2106.82    0.432   107.79
2107.82    0.433   107.07
2108.82    0.433   106.35
2109.82    0.433   105.63
2110.82    0.433   104.91
2111.82    0.433   104.19
2112.82    0.433   103.47
2113.82    0.432   102.75
2114.82    0.432   102.03
2115.82    0.431   101.30
2116.82    0.430   100.57
2117.82    0.430    99.85
2118.82    0.429    99.11
2119.82    0.428    98.38
2120.82    0.427    97.64
2121.82    0.426    96.90






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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.


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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 14:53:07



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