Double Star Calculator - Orbit

Orbital Elements for A1799
WDS: A1799 WDS ID/Discoverer
P: 540.000 Orbital period (years)
a: 0.693 Semi-major axis (arcseconds)
i: 123.1 Inclination (degrees)
Ω: 90.1 Longitude of ascending node (degrees)
T: 1833.000 Epoch of periastron passage (year)
e: 0.48 Eccentricity
ω: 163.6 Longitude of periastron (degrees)
Start-Year: 1755.0 Year
End-Year: 2295.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A1799
Position: 161128.81+150725.3 Epoch-2000 right ascension and declination
WDS-ID: 16115+1507 WDS designation
Discoverer Code: A1799 Discover designation and components
ADS number: 9952 Aitken Double Star catalog
HD number: 145648 HD catalog number
Hipparcos number: 79333 Hipparcos catalog number
V1: 9.53 Magnitude of the primary
V2: 9.75 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2010 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: Zir2014a Reference

Double Star Orbit for A1799



WDS 6th Orbit including measures of A1799

-- 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 A1799
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.829   112.96
--------------------------
1755.00    0.458    52.11
1756.00    0.451    51.36
1757.00    0.445    50.60
1758.00    0.438    49.81
1759.00    0.431    49.00
1760.00    0.425    48.16
1761.00    0.418    47.30
1762.00    0.412    46.41
1763.00    0.405    45.49
1764.00    0.399    44.54
1765.00    0.392    43.56
1766.00    0.386    42.54
1767.00    0.379    41.50
1768.00    0.373    40.41
1769.00    0.367    39.29
1770.00    0.360    38.13
1771.00    0.354    36.92
1772.00    0.348    35.68
1773.00    0.342    34.39
1774.00    0.336    33.05
1775.00    0.330    31.67
1776.00    0.324    30.24
1777.00    0.319    28.75
1778.00    0.313    27.21
1779.00    0.308    25.62
1780.00    0.302    23.97
1781.00    0.297    22.27
1782.00    0.293    20.51
1783.00    0.288    18.68
1784.00    0.283    16.80
1785.00    0.279    14.86
1786.00    0.275    12.86
1787.00    0.271    10.80
1788.00    0.268     8.69
1789.00    0.264     6.52
1790.00    0.261     4.30
1791.00    0.259     2.02
1792.00    0.256   359.71
1793.00    0.254   357.35
1794.00    0.252   354.95
1795.00    0.251   352.53
1796.00    0.250   350.08
1797.00    0.249   347.61
1798.00    0.248   345.13
1799.00    0.248   342.64
1800.00    0.249   340.16
1801.00    0.249   337.68
1802.00    0.250   335.22
1803.00    0.251   332.78
1804.00    0.253   330.37
1805.00    0.255   327.98
1806.00    0.257   325.64
1807.00    0.259   323.33
1808.00    0.262   321.07
1809.00    0.264   318.85
1810.00    0.267   316.68
1811.00    0.271   314.56
1812.00    0.274   312.49
1813.00    0.278   310.48
1814.00    0.281   308.51
1815.00    0.285   306.60
1816.00    0.289   304.73
1817.00    0.293   302.92
1818.00    0.297   301.15
1819.00    0.301   299.43
1820.00    0.305   297.76
1821.00    0.309   296.13
1822.00    0.313   294.54
1823.00    0.316   292.99
1824.00    0.320   291.48
1825.00    0.324   290.00
1826.00    0.328   288.55
1827.00    0.331   287.14
1828.00    0.335   285.76
1829.00    0.338   284.41
1830.00    0.341   283.08
1831.00    0.344   281.77
1832.00    0.347   280.49
1833.00    0.350   279.23
1834.00    0.353   277.99
1835.00    0.355   276.76
1836.00    0.357   275.56
1837.00    0.359   274.36
1838.00    0.361   273.18
1839.00    0.363   272.01
1840.00    0.364   270.85
1841.00    0.366   269.70
1842.00    0.367   268.55
1843.00    0.368   267.42
1844.00    0.368   266.28
1845.00    0.369   265.15
1846.00    0.369   264.03
1847.00    0.369   262.90
1848.00    0.369   261.78
1849.00    0.369   260.65
1850.00    0.369   259.53
1851.00    0.368   258.40
1852.00    0.368   257.27
1853.00    0.367   256.13
1854.00    0.366   254.99
1855.00    0.365   253.84
1856.00    0.364   252.69
1857.00    0.363   251.52
1858.00    0.361   250.35
1859.00    0.360   249.17
1860.00    0.358   247.99
1861.00    0.357   246.79
1862.00    0.355   245.58
1863.00    0.354   244.36
1864.00    0.352   243.12
1865.00    0.350   241.88
1866.00    0.348   240.62
1867.00    0.346   239.35
1868.00    0.345   238.06
1869.00    0.343   236.76
1870.00    0.341   235.45
1871.00    0.339   234.12
1872.00    0.337   232.78
1873.00    0.336   231.42
1874.00    0.334   230.05
1875.00    0.332   228.67
1876.00    0.330   227.27
1877.00    0.329   225.86
1878.00    0.327   224.44
1879.00    0.326   223.00
1880.00    0.325   221.55
1881.00    0.323   220.09
1882.00    0.322   218.62
1883.00    0.321   217.14
1884.00    0.320   215.65
1885.00    0.319   214.15
1886.00    0.319   212.64
1887.00    0.318   211.13
1888.00    0.318   209.61
1889.00    0.317   208.09
1890.00    0.317   206.57
1891.00    0.317   205.04
1892.00    0.317   203.51
1893.00    0.317   201.99
1894.00    0.318   200.47
1895.00    0.318   198.95
1896.00    0.319   197.44
1897.00    0.319   195.93
1898.00    0.320   194.43
1899.00    0.321   192.94
1900.00    0.323   191.46
1901.00    0.324   189.99
1902.00    0.325   188.54
1903.00    0.327   187.09
1904.00    0.329   185.67
1905.00    0.331   184.25
1906.00    0.333   182.86
1907.00    0.335   181.48
1908.00    0.337   180.12
1909.00    0.339   178.78
1910.00    0.342   177.45
1911.00    0.344   176.15
1912.00    0.347   174.87
1913.00    0.350   173.60
1914.00    0.353   172.36
1915.00    0.356   171.14
1916.00    0.359   169.94
1917.00    0.362   168.76
1918.00    0.366   167.60
1919.00    0.369   166.46
1920.00    0.372   165.35
1921.00    0.376   164.25
1922.00    0.380   163.18
1923.00    0.383   162.13
1924.00    0.387   161.09
1925.00    0.391   160.08
1926.00    0.395   159.09
1927.00    0.399   158.12
1928.00    0.403   157.16
1929.00    0.407   156.23
1930.00    0.411   155.31
1931.00    0.416   154.42
1932.00    0.420   153.54
1933.00    0.424   152.68
1934.00    0.429   151.83
1935.00    0.433   151.01
1936.00    0.437   150.20
1937.00    0.442   149.40
1938.00    0.446   148.63
1939.00    0.451   147.86
1940.00    0.456   147.12
1941.00    0.460   146.39
1942.00    0.465   145.67
1943.00    0.469   144.97
1944.00    0.474   144.28
1945.00    0.479   143.60
1946.00    0.483   142.94
1947.00    0.488   142.29
1948.00    0.493   141.65
1949.00    0.497   141.02
1950.00    0.502   140.41
1951.00    0.507   139.81
1952.00    0.512   139.21
1953.00    0.516   138.63
1954.00    0.521   138.06
1955.00    0.526   137.51
1956.00    0.531   136.96
1957.00    0.535   136.42
1958.00    0.540   135.89
1959.00    0.545   135.36
1960.00    0.550   134.85
1961.00    0.554   134.35
1962.00    0.559   133.85
1963.00    0.564   133.37
1964.00    0.569   132.89
1965.00    0.573   132.42
1966.00    0.578   131.96
1967.00    0.583   131.50
1968.00    0.588   131.05
1969.00    0.592   130.61
1970.00    0.597   130.18
1971.00    0.602   129.75
1972.00    0.606   129.33
1973.00    0.611   128.92
1974.00    0.616   128.51
1975.00    0.620   128.11
1976.00    0.625   127.71
1977.00    0.629   127.32
1978.00    0.634   126.94
1979.00    0.638   126.56
1980.00    0.643   126.19
1981.00    0.648   125.82
1982.00    0.652   125.45
1983.00    0.657   125.10
1984.00    0.661   124.74
1985.00    0.665   124.39
1986.00    0.670   124.05
1987.00    0.674   123.71
1988.00    0.679   123.37
1989.00    0.683   123.04
1990.00    0.687   122.72
1991.00    0.692   122.39
1992.00    0.696   122.08
1993.00    0.700   121.76
1994.00    0.704   121.45
1995.00    0.709   121.14
1996.00    0.713   120.84
1997.00    0.717   120.54
1998.00    0.721   120.24
1999.00    0.725   119.95
2000.00    0.729   119.66
2001.00    0.734   119.37
2002.00    0.738   119.09
2003.00    0.742   118.81
2004.00    0.746   118.53
2005.00    0.750   118.26
2006.00    0.754   117.99
2007.00    0.758   117.72
2008.00    0.761   117.45
2009.00    0.765   117.19
2010.00    0.769   116.93
2011.00    0.773   116.67
2012.00    0.777   116.41
2013.00    0.781   116.16
2014.00    0.784   115.91
2015.00    0.788   115.66
2016.00    0.792   115.42
2017.00    0.795   115.17
2018.00    0.799   114.93
2019.00    0.803   114.69
2020.00    0.806   114.46
2021.00    0.810   114.22
2022.00    0.813   113.99
2023.00    0.817   113.76
2024.00    0.820   113.53
2025.00    0.824   113.30
2026.00    0.827   113.08
2027.00    0.831   112.85
2028.00    0.834   112.63
2029.00    0.837   112.41
2030.00    0.841   112.19
2031.00    0.844   111.98
2032.00    0.847   111.76
2033.00    0.850   111.55
2034.00    0.853   111.34
2035.00    0.857   111.13
2036.00    0.860   110.92
2037.00    0.863   110.71
2038.00    0.866   110.51
2039.00    0.869   110.30
2040.00    0.872   110.10
2041.00    0.875   109.90
2042.00    0.878   109.70
2043.00    0.881   109.50
2044.00    0.884   109.31
2045.00    0.886   109.11
2046.00    0.889   108.92
2047.00    0.892   108.72
2048.00    0.895   108.53
2049.00    0.897   108.34
2050.00    0.900   108.15
2051.00    0.903   107.96
2052.00    0.905   107.77
2053.00    0.908   107.59
2054.00    0.911   107.40
2055.00    0.913   107.22
2056.00    0.916   107.03
2057.00    0.918   106.85
2058.00    0.921   106.67
2059.00    0.923   106.49
2060.00    0.925   106.31
2061.00    0.928   106.13
2062.00    0.930   105.95
2063.00    0.932   105.77
2064.00    0.935   105.60
2065.00    0.937   105.42
2066.00    0.939   105.25
2067.00    0.941   105.08
2068.00    0.943   104.90
2069.00    0.945   104.73
2070.00    0.947   104.56
2071.00    0.949   104.39
2072.00    0.951   104.22
2073.00    0.953   104.05
2074.00    0.955   103.88
2075.00    0.957   103.71
2076.00    0.959   103.55
2077.00    0.961   103.38
2078.00    0.963   103.21
2079.00    0.964   103.05
2080.00    0.966   102.88
2081.00    0.968   102.72
2082.00    0.969   102.56
2083.00    0.971   102.39
2084.00    0.973   102.23
2085.00    0.974   102.07
2086.00    0.976   101.91
2087.00    0.977   101.75
2088.00    0.979   101.59
2089.00    0.980   101.43
2090.00    0.981   101.27
2091.00    0.983   101.11
2092.00    0.984   100.95
2093.00    0.985   100.79
2094.00    0.987   100.63
2095.00    0.988   100.48
2096.00    0.989   100.32
2097.00    0.990   100.16
2098.00    0.991   100.01
2099.00    0.993    99.85
2100.00    0.994    99.70
2101.00    0.995    99.54
2102.00    0.996    99.39
2103.00    0.997    99.23
2104.00    0.997    99.08
2105.00    0.998    98.92
2106.00    0.999    98.77
2107.00    1.000    98.62
2108.00    1.001    98.46
2109.00    1.002    98.31
2110.00    1.002    98.16
2111.00    1.003    98.00
2112.00    1.004    97.85
2113.00    1.004    97.70
2114.00    1.005    97.55
2115.00    1.005    97.40
2116.00    1.006    97.24
2117.00    1.006    97.09
2118.00    1.007    96.94
2119.00    1.007    96.79
2120.00    1.007    96.64
2121.00    1.008    96.49
2122.00    1.008    96.34
2123.00    1.008    96.18
2124.00    1.008    96.03
2125.00    1.009    95.88
2126.00    1.009    95.73
2127.00    1.009    95.58
2128.00    1.009    95.43
2129.00    1.009    95.28
2130.00    1.009    95.13
2131.00    1.009    94.98
2132.00    1.009    94.83
2133.00    1.009    94.68
2134.00    1.009    94.53
2135.00    1.009    94.38
2136.00    1.008    94.23
2137.00    1.008    94.07
2138.00    1.008    93.92
2139.00    1.007    93.77
2140.00    1.007    93.62
2141.00    1.007    93.47
2142.00    1.006    93.32
2143.00    1.006    93.17
2144.00    1.005    93.02
2145.00    1.005    92.86
2146.00    1.004    92.71
2147.00    1.004    92.56
2148.00    1.003    92.41
2149.00    1.002    92.25
2150.00    1.001    92.10
2151.00    1.001    91.95
2152.00    1.000    91.80
2153.00    0.999    91.64
2154.00    0.998    91.49
2155.00    0.997    91.33
2156.00    0.996    91.18
2157.00    0.995    91.02
2158.00    0.994    90.87
2159.00    0.993    90.71
2160.00    0.992    90.56
2161.00    0.991    90.40
2162.00    0.990    90.25
2163.00    0.988    90.09
2164.00    0.987    89.93
2165.00    0.986    89.77
2166.00    0.985    89.62
2167.00    0.983    89.46
2168.00    0.982    89.30
2169.00    0.980    89.14
2170.00    0.979    88.98
2171.00    0.977    88.82
2172.00    0.976    88.66
2173.00    0.974    88.50
2174.00    0.972    88.33
2175.00    0.971    88.17
2176.00    0.969    88.01
2177.00    0.967    87.85
2178.00    0.965    87.68
2179.00    0.963    87.52
2180.00    0.962    87.35
2181.00    0.960    87.18
2182.00    0.958    87.02
2183.00    0.956    86.85
2184.00    0.954    86.68
2185.00    0.951    86.51
2186.00    0.949    86.34
2187.00    0.947    86.17
2188.00    0.945    86.00
2189.00    0.943    85.83
2190.00    0.940    85.66
2191.00    0.938    85.48
2192.00    0.936    85.31
2193.00    0.933    85.13
2194.00    0.931    84.95
2195.00    0.928    84.78
2196.00    0.926    84.60
2197.00    0.923    84.42
2198.00    0.920    84.24
2199.00    0.918    84.06
2200.00    0.915    83.87
2201.00    0.912    83.69
2202.00    0.909    83.51
2203.00    0.907    83.32
2204.00    0.904    83.13
2205.00    0.901    82.94
2206.00    0.898    82.75
2207.00    0.895    82.56
2208.00    0.892    82.37
2209.00    0.889    82.18
2210.00    0.885    81.98
2211.00    0.882    81.79
2212.00    0.879    81.59
2213.00    0.876    81.39
2214.00    0.872    81.19
2215.00    0.869    80.99
2216.00    0.866    80.78
2217.00    0.862    80.58
2218.00    0.859    80.37
2219.00    0.855    80.16
2220.00    0.851    79.95
2221.00    0.848    79.74
2222.00    0.844    79.52
2223.00    0.840    79.31
2224.00    0.837    79.09
2225.00    0.833    78.87
2226.00    0.829    78.65
2227.00    0.825    78.42
2228.00    0.821    78.20
2229.00    0.817    77.97
2230.00    0.813    77.74
2231.00    0.809    77.50
2232.00    0.805    77.27
2233.00    0.801    77.03
2234.00    0.797    76.79
2235.00    0.792    76.55
2236.00    0.788    76.30
2237.00    0.784    76.05
2238.00    0.779    75.80
2239.00    0.775    75.55
2240.00    0.770    75.29
2241.00    0.766    75.03
2242.00    0.761    74.77
2243.00    0.757    74.50
2244.00    0.752    74.23
2245.00    0.747    73.96
2246.00    0.742    73.68
2247.00    0.738    73.40
2248.00    0.733    73.12
2249.00    0.728    72.83
2250.00    0.723    72.54
2251.00    0.718    72.24
2252.00    0.713    71.94
2253.00    0.708    71.64
2254.00    0.703    71.33
2255.00    0.697    71.02
2256.00    0.692    70.70
2257.00    0.687    70.38
2258.00    0.682    70.05
2259.00    0.676    69.72
2260.00    0.671    69.38
2261.00    0.665    69.03
2262.00    0.660    68.69
2263.00    0.654    68.33
2264.00    0.649    67.97
2265.00    0.643    67.60
2266.00    0.638    67.23
2267.00    0.632    66.85
2268.00    0.626    66.46
2269.00    0.620    66.06
2270.00    0.615    65.66
2271.00    0.609    65.25
2272.00    0.603    64.83
2273.00    0.597    64.41
2274.00    0.591    63.97
2275.00    0.585    63.53
2276.00    0.579    63.08
2277.00    0.573    62.61
2278.00    0.567    62.14
2279.00    0.560    61.66
2280.00    0.554    61.16
2281.00    0.548    60.66
2282.00    0.542    60.14
2283.00    0.535    59.61
2284.00    0.529    59.07
2285.00    0.523    58.52
2286.00    0.516    57.95
2287.00    0.510    57.36
2288.00    0.503    56.77
2289.00    0.497    56.15
2290.00    0.490    55.52
2291.00    0.484    54.88
2292.00    0.477    54.21
2293.00    0.471    53.53
2294.00    0.464    52.83






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 17:23:44



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