Double Star Calculator - Orbit

Orbital Elements for DON832AB
WDS: DON832AB WDS ID/Discoverer
P: 421.587 Orbital period (years)
a: 7.90942 Semi-major axis (arcseconds)
i: 99.36 Inclination (degrees)
Ω: 28.815 Longitude of ascending node (degrees)
T: 2026.747 Epoch of periastron passage (year)
e: 0.73578 Eccentricity
ω: 75.752 Longitude of periastron (degrees)
Start-Year: 1814.2065499999999 Year
End-Year: 2235.79345 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for DON832AB
Position: 172100.37-210646.5 Epoch-2000 right ascension and declination
WDS-ID: 17210-2107 WDS designation
Discoverer Code: DON832AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 4.40 Magnitude of the primary
V2: 8.90 Magnitude of the secondary
Equinox: Equinox
Date: 2010 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for DON832AB



WDS 6th Orbit including measures of DON832AB

-- 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 DON832AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.671   359.72
--------------------------
1814.21    4.076   176.80
1815.21    4.040   176.45
1816.21    4.003   176.08
1817.21    3.967   175.71
1818.21    3.930   175.34
1819.21    3.894   174.95
1820.21    3.857   174.56
1821.21    3.821   174.16
1822.21    3.784   173.75
1823.21    3.748   173.34
1824.21    3.711   172.92
1825.21    3.675   172.48
1826.21    3.639   172.04
1827.21    3.602   171.60
1828.21    3.566   171.14
1829.21    3.530   170.67
1830.21    3.494   170.19
1831.21    3.458   169.71
1832.21    3.423   169.21
1833.21    3.387   168.70
1834.21    3.351   168.18
1835.21    3.316   167.65
1836.21    3.281   167.11
1837.21    3.245   166.56
1838.21    3.211   166.00
1839.21    3.176   165.42
1840.21    3.141   164.83
1841.21    3.107   164.23
1842.21    3.073   163.61
1843.21    3.039   162.98
1844.21    3.005   162.33
1845.21    2.972   161.68
1846.21    2.938   161.00
1847.21    2.906   160.31
1848.21    2.873   159.61
1849.21    2.841   158.89
1850.21    2.809   158.15
1851.21    2.777   157.39
1852.21    2.746   156.62
1853.21    2.715   155.83
1854.21    2.685   155.03
1855.21    2.655   154.20
1856.21    2.625   153.36
1857.21    2.596   152.49
1858.21    2.568   151.61
1859.21    2.539   150.71
1860.21    2.512   149.79
1861.21    2.485   148.84
1862.21    2.458   147.88
1863.21    2.432   146.90
1864.21    2.407   145.89
1865.21    2.383   144.87
1866.21    2.359   143.82
1867.21    2.335   142.75
1868.21    2.313   141.66
1869.21    2.291   140.55
1870.21    2.270   139.42
1871.21    2.250   138.27
1872.21    2.230   137.09
1873.21    2.212   135.90
1874.21    2.194   134.69
1875.21    2.177   133.46
1876.21    2.161   132.21
1877.21    2.146   130.94
1878.21    2.132   129.65
1879.21    2.119   128.35
1880.21    2.107   127.03
1881.21    2.096   125.70
1882.21    2.086   124.36
1883.21    2.077   123.00
1884.21    2.069   121.63
1885.21    2.063   120.25
1886.21    2.057   118.86
1887.21    2.052   117.47
1888.21    2.049   116.07
1889.21    2.046   114.67
1890.21    2.045   113.26
1891.21    2.045   111.85
1892.21    2.046   110.45
1893.21    2.048   109.04
1894.21    2.051   107.64
1895.21    2.055   106.25
1896.21    2.061   104.86
1897.21    2.067   103.48
1898.21    2.075   102.10
1899.21    2.083   100.74
1900.21    2.093    99.39
1901.21    2.104    98.06
1902.21    2.115    96.73
1903.21    2.128    95.43
1904.21    2.142    94.14
1905.21    2.156    92.86
1906.21    2.172    91.60
1907.21    2.188    90.37
1908.21    2.205    89.15
1909.21    2.223    87.95
1910.21    2.242    86.77
1911.21    2.262    85.61
1912.21    2.282    84.46
1913.21    2.303    83.35
1914.21    2.325    82.25
1915.21    2.347    81.17
1916.21    2.371    80.11
1917.21    2.394    79.07
1918.21    2.419    78.06
1919.21    2.444    77.06
1920.21    2.469    76.09
1921.21    2.495    75.13
1922.21    2.521    74.20
1923.21    2.548    73.28
1924.21    2.576    72.38
1925.21    2.603    71.51
1926.21    2.632    70.65
1927.21    2.660    69.81
1928.21    2.689    68.99
1929.21    2.718    68.18
1930.21    2.747    67.39
1931.21    2.777    66.62
1932.21    2.807    65.87
1933.21    2.837    65.13
1934.21    2.868    64.40
1935.21    2.898    63.70
1936.21    2.929    63.00
1937.21    2.960    62.32
1938.21    2.991    61.66
1939.21    3.022    61.01
1940.21    3.053    60.37
1941.21    3.084    59.75
1942.21    3.115    59.13
1943.21    3.146    58.53
1944.21    3.177    57.94
1945.21    3.209    57.37
1946.21    3.240    56.80
1947.21    3.271    56.25
1948.21    3.302    55.70
1949.21    3.333    55.17
1950.21    3.363    54.64
1951.21    3.394    54.13
1952.21    3.424    53.62
1953.21    3.454    53.12
1954.21    3.484    52.63
1955.21    3.514    52.15
1956.21    3.543    51.68
1957.21    3.573    51.22
1958.21    3.601    50.76
1959.21    3.630    50.31
1960.21    3.658    49.87
1961.21    3.686    49.43
1962.21    3.713    49.00
1963.21    3.740    48.58
1964.21    3.767    48.16
1965.21    3.793    47.75
1966.21    3.818    47.34
1967.21    3.843    46.94
1968.21    3.868    46.54
1969.21    3.891    46.15
1970.21    3.914    45.77
1971.21    3.937    45.38
1972.21    3.959    45.01
1973.21    3.980    44.63
1974.21    4.000    44.26
1975.21    4.019    43.90
1976.21    4.037    43.53
1977.21    4.055    43.18
1978.21    4.072    42.82
1979.21    4.087    42.47
1980.21    4.102    42.11
1981.21    4.115    41.77
1982.21    4.127    41.42
1983.21    4.138    41.08
1984.21    4.147    40.73
1985.21    4.155    40.39
1986.21    4.162    40.05
1987.21    4.167    39.71
1988.21    4.170    39.37
1989.21    4.172    39.03
1990.21    4.172    38.70
1991.21    4.170    38.36
1992.21    4.166    38.02
1993.21    4.159    37.68
1994.21    4.150    37.34
1995.21    4.139    37.00
1996.21    4.125    36.65
1997.21    4.109    36.31
1998.21    4.089    35.96
1999.21    4.066    35.60
2000.21    4.040    35.24
2001.21    4.010    34.88
2002.21    3.976    34.51
2003.21    3.938    34.14
2004.21    3.896    33.75
2005.21    3.848    33.36
2006.21    3.796    32.96
2007.21    3.737    32.54
2008.21    3.673    32.11
2009.21    3.602    31.67
2010.21    3.523    31.21
2011.21    3.437    30.72
2012.21    3.343    30.21
2013.21    3.239    29.67
2014.21    3.125    29.08
2015.21    3.000    28.46
2016.21    2.863    27.77
2017.21    2.714    27.02
2018.21    2.551    26.17
2019.21    2.373    25.20
2020.21    2.181    24.06
2021.21    1.973    22.69
2022.21    1.750    20.99
2023.21    1.512    18.77
2024.21    1.262    15.69
2025.21    1.004    11.05
2026.21    0.745     3.17
2027.21    0.506   347.38
2028.21    0.352   312.28
2029.21    0.409   266.93
2030.21    0.618   243.00
2031.21    0.873   232.05
2032.21    1.136   226.11
2033.21    1.397   222.41
2034.21    1.652   219.86
2035.21    1.898   217.99
2036.21    2.134   216.53
2037.21    2.360   215.37
2038.21    2.576   214.40
2039.21    2.782   213.58
2040.21    2.979   212.87
2041.21    3.166   212.25
2042.21    3.345   211.69
2043.21    3.515   211.19
2044.21    3.677   210.74
2045.21    3.832   210.32
2046.21    3.980   209.93
2047.21    4.121   209.57
2048.21    4.256   209.24
2049.21    4.385   208.92
2050.21    4.508   208.63
2051.21    4.626   208.34
2052.21    4.739   208.08
2053.21    4.847   207.82
2054.21    4.951   207.57
2055.21    5.051   207.34
2056.21    5.146   207.11
2057.21    5.238   206.90
2058.21    5.326   206.68
2059.21    5.410   206.48
2060.21    5.491   206.28
2061.21    5.569   206.09
2062.21    5.643   205.90
2063.21    5.715   205.72
2064.21    5.784   205.54
2065.21    5.850   205.37
2066.21    5.914   205.20
2067.21    5.975   205.03
2068.21    6.034   204.87
2069.21    6.090   204.71
2070.21    6.144   204.55
2071.21    6.196   204.40
2072.21    6.246   204.24
2073.21    6.294   204.09
2074.21    6.339   203.95
2075.21    6.383   203.80
2076.21    6.426   203.66
2077.21    6.466   203.52
2078.21    6.505   203.38
2079.21    6.542   203.24
2080.21    6.577   203.10
2081.21    6.611   202.97
2082.21    6.643   202.83
2083.21    6.674   202.70
2084.21    6.704   202.57
2085.21    6.732   202.44
2086.21    6.759   202.31
2087.21    6.784   202.18
2088.21    6.808   202.05
2089.21    6.831   201.93
2090.21    6.853   201.80
2091.21    6.873   201.68
2092.21    6.893   201.55
2093.21    6.911   201.43
2094.21    6.928   201.31
2095.21    6.944   201.18
2096.21    6.959   201.06
2097.21    6.973   200.94
2098.21    6.986   200.82
2099.21    6.998   200.70
2100.21    7.009   200.58
2101.21    7.020   200.46
2102.21    7.029   200.34
2103.21    7.037   200.22
2104.21    7.045   200.10
2105.21    7.051   199.98
2106.21    7.057   199.87
2107.21    7.062   199.75
2108.21    7.066   199.63
2109.21    7.070   199.51
2110.21    7.072   199.39
2111.21    7.074   199.28
2112.21    7.075   199.16
2113.21    7.076   199.04
2114.21    7.075   198.92
2115.21    7.074   198.81
2116.21    7.073   198.69
2117.21    7.070   198.57
2118.21    7.067   198.45
2119.21    7.064   198.34
2120.21    7.059   198.22
2121.21    7.054   198.10
2122.21    7.049   197.98
2123.21    7.043   197.86
2124.21    7.036   197.74
2125.21    7.028   197.63
2126.21    7.021   197.51
2127.21    7.012   197.39
2128.21    7.003   197.27
2129.21    6.993   197.15
2130.21    6.983   197.03
2131.21    6.973   196.91
2132.21    6.961   196.78
2133.21    6.950   196.66
2134.21    6.938   196.54
2135.21    6.925   196.42
2136.21    6.912   196.29
2137.21    6.898   196.17
2138.21    6.884   196.05
2139.21    6.870   195.92
2140.21    6.855   195.80
2141.21    6.839   195.67
2142.21    6.823   195.55
2143.21    6.807   195.42
2144.21    6.790   195.29
2145.21    6.773   195.16
2146.21    6.755   195.04
2147.21    6.737   194.91
2148.21    6.719   194.78
2149.21    6.700   194.65
2150.21    6.681   194.51
2151.21    6.661   194.38
2152.21    6.641   194.25
2153.21    6.621   194.12
2154.21    6.600   193.98
2155.21    6.579   193.85
2156.21    6.557   193.71
2157.21    6.536   193.57
2158.21    6.514   193.43
2159.21    6.491   193.29
2160.21    6.468   193.15
2161.21    6.445   193.01
2162.21    6.422   192.87
2163.21    6.398   192.73
2164.21    6.374   192.58
2165.21    6.349   192.44
2166.21    6.324   192.29
2167.21    6.299   192.14
2168.21    6.274   192.00
2169.21    6.248   191.85
2170.21    6.222   191.69
2171.21    6.196   191.54
2172.21    6.170   191.39
2173.21    6.143   191.23
2174.21    6.116   191.08
2175.21    6.088   190.92
2176.21    6.061   190.76
2177.21    6.033   190.60
2178.21    6.005   190.43
2179.21    5.976   190.27
2180.21    5.948   190.11
2181.21    5.919   189.94
2182.21    5.890   189.77
2183.21    5.860   189.60
2184.21    5.831   189.43
2185.21    5.801   189.25
2186.21    5.771   189.08
2187.21    5.741   188.90
2188.21    5.710   188.72
2189.21    5.679   188.54
2190.21    5.649   188.35
2191.21    5.617   188.17
2192.21    5.586   187.98
2193.21    5.555   187.79
2194.21    5.523   187.60
2195.21    5.491   187.41
2196.21    5.459   187.21
2197.21    5.426   187.01
2198.21    5.394   186.81
2199.21    5.361   186.61
2200.21    5.328   186.40
2201.21    5.295   186.19
2202.21    5.262   185.98
2203.21    5.229   185.77
2204.21    5.195   185.55
2205.21    5.162   185.33
2206.21    5.128   185.11
2207.21    5.094   184.88
2208.21    5.060   184.66
2209.21    5.025   184.42
2210.21    4.991   184.19
2211.21    4.956   183.95
2212.21    4.922   183.71
2213.21    4.887   183.47
2214.21    4.852   183.22
2215.21    4.817   182.97
2216.21    4.782   182.71
2217.21    4.747   182.45
2218.21    4.711   182.19
2219.21    4.676   181.92
2220.21    4.640   181.65
2221.21    4.605   181.37
2222.21    4.569   181.10
2223.21    4.533   180.81
2224.21    4.497   180.52
2225.21    4.461   180.23
2226.21    4.425   179.93
2227.21    4.389   179.63
2228.21    4.353   179.32
2229.21    4.316   179.01
2230.21    4.280   178.69
2231.21    4.244   178.36
2232.21    4.207   178.04
2233.21    4.171   177.70
2234.21    4.134   177.36
2235.21    4.098   177.01






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.


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Report created: 2026-06-25 17:37:05



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