Double Star Calculator - Orbit

Orbital Elements for A2080
WDS: A2080 WDS ID/Discoverer
P: 382.990 Orbital period (years)
a: 0.369 Semi-major axis (arcseconds)
i: 62.9 Inclination (degrees)
Ω: 294.0 Longitude of ascending node (degrees)
T: 2285.170 Epoch of periastron passage (year)
e: 0.157 Eccentricity
ω: 40.7 Longitude of periastron (degrees)
Start-Year: 1833.505 Year
End-Year: 2216.495 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A2080
Position: 155410.28+165928.0 Epoch-2000 right ascension and declination
WDS-ID: 15542+1659 WDS designation
Discoverer Code: A2080 Discover designation and components
ADS number: 9831 Aitken Double Star catalog
HD number: 142455 HD catalog number
Hipparcos number: 77875 Hipparcos catalog number
V1: 8.83 Magnitude of the primary
V2: 9.20 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Hrt2008 Reference

Double Star Orbit for A2080



WDS 6th Orbit including measures of A2080

-- 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 A2080
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.399   110.40
--------------------------
1833.51    0.285   272.18
1834.51    0.287   272.88
1835.51    0.289   273.58
1836.51    0.292   274.26
1837.51    0.294   274.93
1838.51    0.296   275.59
1839.51    0.298   276.25
1840.51    0.300   276.89
1841.51    0.302   277.53
1842.51    0.303   278.16
1843.51    0.305   278.78
1844.51    0.307   279.40
1845.51    0.308   280.01
1846.51    0.310   280.61
1847.51    0.311   281.21
1848.51    0.313   281.80
1849.51    0.314   282.38
1850.51    0.315   282.97
1851.51    0.316   283.54
1852.51    0.318   284.12
1853.51    0.319   284.68
1854.51    0.319   285.25
1855.51    0.320   285.81
1856.51    0.321   286.37
1857.51    0.322   286.93
1858.51    0.322   287.49
1859.51    0.323   288.04
1860.51    0.323   288.59
1861.51    0.323   289.14
1862.51    0.324   289.69
1863.51    0.324   290.24
1864.51    0.324   290.79
1865.51    0.323   291.34
1866.51    0.323   291.90
1867.51    0.323   292.45
1868.51    0.323   293.00
1869.51    0.322   293.55
1870.51    0.321   294.11
1871.51    0.321   294.67
1872.51    0.320   295.23
1873.51    0.319   295.79
1874.51    0.318   296.36
1875.51    0.317   296.93
1876.51    0.316   297.51
1877.51    0.314   298.09
1878.51    0.313   298.67
1879.51    0.312   299.26
1880.51    0.310   299.86
1881.51    0.308   300.46
1882.51    0.306   301.07
1883.51    0.305   301.69
1884.51    0.303   302.31
1885.51    0.301   302.94
1886.51    0.298   303.59
1887.51    0.296   304.24
1888.51    0.294   304.90
1889.51    0.291   305.57
1890.51    0.289   306.26
1891.51    0.286   306.95
1892.51    0.283   307.67
1893.51    0.281   308.39
1894.51    0.278   309.13
1895.51    0.275   309.88
1896.51    0.272   310.65
1897.51    0.269   311.44
1898.51    0.265   312.25
1899.51    0.262   313.08
1900.51    0.259   313.93
1901.51    0.256   314.80
1902.51    0.252   315.69
1903.51    0.249   316.61
1904.51    0.245   317.55
1905.51    0.242   318.52
1906.51    0.238   319.52
1907.51    0.234   320.56
1908.51    0.231   321.62
1909.51    0.227   322.72
1910.51    0.224   323.85
1911.51    0.220   325.02
1912.51    0.216   326.23
1913.51    0.212   327.49
1914.51    0.209   328.79
1915.51    0.205   330.13
1916.51    0.202   331.52
1917.51    0.198   332.97
1918.51    0.194   334.46
1919.51    0.191   336.01
1920.51    0.187   337.62
1921.51    0.184   339.29
1922.51    0.181   341.02
1923.51    0.178   342.81
1924.51    0.175   344.67
1925.51    0.172   346.59
1926.51    0.169   348.58
1927.51    0.166   350.64
1928.51    0.164   352.76
1929.51    0.161   354.94
1930.51    0.159   357.19
1931.51    0.157   359.50
1932.51    0.155     1.87
1933.51    0.153     4.29
1934.51    0.152     6.76
1935.51    0.151     9.27
1936.51    0.150    11.82
1937.51    0.149    14.39
1938.51    0.149    16.99
1939.51    0.149    19.60
1940.51    0.149    22.21
1941.51    0.149    24.81
1942.51    0.149    27.40
1943.51    0.150    29.97
1944.51    0.151    32.51
1945.51    0.152    35.01
1946.51    0.154    37.46
1947.51    0.156    39.87
1948.51    0.158    42.22
1949.51    0.160    44.51
1950.51    0.162    46.73
1951.51    0.164    48.90
1952.51    0.167    50.99
1953.51    0.170    53.02
1954.51    0.173    54.98
1955.51    0.176    56.88
1956.51    0.179    58.71
1957.51    0.182    60.47
1958.51    0.186    62.17
1959.51    0.189    63.80
1960.51    0.193    65.38
1961.51    0.197    66.89
1962.51    0.200    68.36
1963.51    0.204    69.76
1964.51    0.208    71.12
1965.51    0.212    72.42
1966.51    0.216    73.68
1967.51    0.220    74.89
1968.51    0.224    76.06
1969.51    0.228    77.19
1970.51    0.232    78.28
1971.51    0.236    79.33
1972.51    0.240    80.35
1973.51    0.244    81.33
1974.51    0.248    82.28
1975.51    0.252    83.20
1976.51    0.256    84.09
1977.51    0.260    84.96
1978.51    0.264    85.80
1979.51    0.268    86.61
1980.51    0.272    87.40
1981.51    0.276    88.17
1982.51    0.280    88.91
1983.51    0.284    89.64
1984.51    0.287    90.34
1985.51    0.291    91.03
1986.51    0.295    91.70
1987.51    0.299    92.35
1988.51    0.302    92.99
1989.51    0.306    93.61
1990.51    0.309    94.22
1991.51    0.313    94.82
1992.51    0.316    95.40
1993.51    0.320    95.97
1994.51    0.323    96.52
1995.51    0.327    97.07
1996.51    0.330    97.60
1997.51    0.333    98.13
1998.51    0.336    98.64
1999.51    0.339    99.15
2000.51    0.342    99.64
2001.51    0.345   100.13
2002.51    0.348   100.61
2003.51    0.351   101.08
2004.51    0.354   101.55
2005.51    0.356   102.00
2006.51    0.359   102.45
2007.51    0.362   102.90
2008.51    0.364   103.33
2009.51    0.367   103.76
2010.51    0.369   104.19
2011.51    0.371   104.61
2012.51    0.374   105.02
2013.51    0.376   105.43
2014.51    0.378   105.84
2015.51    0.380   106.24
2016.51    0.382   106.63
2017.51    0.384   107.03
2018.51    0.386   107.42
2019.51    0.388   107.80
2020.51    0.390   108.18
2021.51    0.391   108.56
2022.51    0.393   108.93
2023.51    0.394   109.30
2024.51    0.396   109.67
2025.51    0.397   110.04
2026.51    0.399   110.40
2027.51    0.400   110.76
2028.51    0.401   111.12
2029.51    0.402   111.48
2030.51    0.403   111.84
2031.51    0.404   112.19
2032.51    0.405   112.54
2033.51    0.406   112.89
2034.51    0.407   113.24
2035.51    0.408   113.58
2036.51    0.408   113.93
2037.51    0.409   114.27
2038.51    0.410   114.62
2039.51    0.410   114.96
2040.51    0.410   115.30
2041.51    0.411   115.65
2042.51    0.411   115.99
2043.51    0.411   116.33
2044.51    0.411   116.67
2045.51    0.412   117.01
2046.51    0.412   117.35
2047.51    0.411   117.69
2048.51    0.411   118.03
2049.51    0.411   118.37
2050.51    0.411   118.71
2051.51    0.411   119.05
2052.51    0.410   119.39
2053.51    0.410   119.73
2054.51    0.409   120.08
2055.51    0.409   120.42
2056.51    0.408   120.77
2057.51    0.408   121.11
2058.51    0.407   121.46
2059.51    0.406   121.81
2060.51    0.405   122.16
2061.51    0.404   122.51
2062.51    0.403   122.86
2063.51    0.402   123.22
2064.51    0.401   123.57
2065.51    0.400   123.93
2066.51    0.399   124.29
2067.51    0.398   124.65
2068.51    0.397   125.02
2069.51    0.395   125.39
2070.51    0.394   125.76
2071.51    0.392   126.13
2072.51    0.391   126.50
2073.51    0.389   126.88
2074.51    0.388   127.26
2075.51    0.386   127.65
2076.51    0.384   128.04
2077.51    0.382   128.43
2078.51    0.381   128.83
2079.51    0.379   129.22
2080.51    0.377   129.63
2081.51    0.375   130.04
2082.51    0.373   130.45
2083.51    0.371   130.86
2084.51    0.369   131.28
2085.51    0.367   131.71
2086.51    0.364   132.14
2087.51    0.362   132.58
2088.51    0.360   133.02
2089.51    0.358   133.47
2090.51    0.355   133.92
2091.51    0.353   134.38
2092.51    0.351   134.84
2093.51    0.348   135.32
2094.51    0.346   135.79
2095.51    0.343   136.28
2096.51    0.340   136.77
2097.51    0.338   137.27
2098.51    0.335   137.78
2099.51    0.333   138.30
2100.51    0.330   138.82
2101.51    0.327   139.36
2102.51    0.324   139.90
2103.51    0.322   140.45
2104.51    0.319   141.01
2105.51    0.316   141.59
2106.51    0.313   142.17
2107.51    0.310   142.76
2108.51    0.307   143.36
2109.51    0.304   143.98
2110.51    0.301   144.61
2111.51    0.299   145.25
2112.51    0.296   145.90
2113.51    0.293   146.57
2114.51    0.290   147.24
2115.51    0.287   147.94
2116.51    0.284   148.65
2117.51    0.281   149.37
2118.51    0.278   150.11
2119.51    0.275   150.87
2120.51    0.272   151.64
2121.51    0.269   152.43
2122.51    0.266   153.24
2123.51    0.262   154.06
2124.51    0.260   154.91
2125.51    0.257   155.77
2126.51    0.254   156.66
2127.51    0.251   157.56
2128.51    0.248   158.49
2129.51    0.245   159.44
2130.51    0.242   160.41
2131.51    0.239   161.41
2132.51    0.236   162.43
2133.51    0.233   163.48
2134.51    0.231   164.55
2135.51    0.228   165.64
2136.51    0.225   166.77
2137.51    0.223   167.92
2138.51    0.220   169.09
2139.51    0.217   170.30
2140.51    0.215   171.53
2141.51    0.212   172.79
2142.51    0.210   174.08
2143.51    0.208   175.40
2144.51    0.206   176.75
2145.51    0.204   178.12
2146.51    0.201   179.53
2147.51    0.199   180.96
2148.51    0.198   182.42
2149.51    0.196   183.91
2150.51    0.194   185.42
2151.51    0.193   186.96
2152.51    0.191   188.53
2153.51    0.190   190.12
2154.51    0.188   191.73
2155.51    0.187   193.37
2156.51    0.186   195.02
2157.51    0.185   196.69
2158.51    0.184   198.37
2159.51    0.184   200.07
2160.51    0.183   201.78
2161.51    0.183   203.50
2162.51    0.182   205.23
2163.51    0.182   206.96
2164.51    0.182   208.70
2165.51    0.182   210.43
2166.51    0.183   212.16
2167.51    0.183   213.89
2168.51    0.183   215.60
2169.51    0.184   217.31
2170.51    0.185   219.01
2171.51    0.185   220.69
2172.51    0.186   222.36
2173.51    0.187   224.01
2174.51    0.189   225.64
2175.51    0.190   227.25
2176.51    0.191   228.83
2177.51    0.193   230.39
2178.51    0.194   231.93
2179.51    0.196   233.45
2180.51    0.198   234.93
2181.51    0.200   236.39
2182.51    0.201   237.82
2183.51    0.203   239.23
2184.51    0.206   240.60
2185.51    0.208   241.95
2186.51    0.210   243.27
2187.51    0.212   244.57
2188.51    0.214   245.83
2189.51    0.217   247.07
2190.51    0.219   248.28
2191.51    0.222   249.47
2192.51    0.224   250.63
2193.51    0.227   251.76
2194.51    0.229   252.87
2195.51    0.232   253.95
2196.51    0.234   255.01
2197.51    0.237   256.05
2198.51    0.240   257.07
2199.51    0.242   258.06
2200.51    0.245   259.03
2201.51    0.247   259.98
2202.51    0.250   260.91
2203.51    0.253   261.82
2204.51    0.255   262.72
2205.51    0.258   263.59
2206.51    0.261   264.45
2207.51    0.263   265.29
2208.51    0.266   266.11
2209.51    0.268   266.92
2210.51    0.271   267.71
2211.51    0.273   268.49
2212.51    0.276   269.26
2213.51    0.278   270.01
2214.51    0.280   270.75
2215.51    0.283   271.47






Disclaimer
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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 17:21:00



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