Double Star Calculator - Orbit

Orbital Elements for SEE318
WDS: SEE318 WDS ID/Discoverer
P: 483.400 Orbital period (years)
a: 2.23585 Semi-major axis (arcseconds)
i: 82.115 Inclination (degrees)
Ω: 6.16 Longitude of ascending node (degrees)
T: 2064.113 Epoch of periastron passage (year)
e: 0.7685 Eccentricity
ω: 76.174 Longitude of periastron (degrees)
Start-Year: 1783.30005 Year
End-Year: 2266.69995 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for SEE318
Position: 170611.92-383730.6 Epoch-2000 right ascension and declination
WDS-ID: 17062-3838 WDS designation
Discoverer Code: SEE318 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 154287 HD catalog number
Hipparcos number: 83687 Hipparcos catalog number
V1: 8.36 Magnitude of the primary
V2: 8.65 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for SEE318



WDS 6th Orbit including measures of SEE318

-- 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 SEE318
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.091   357.36
--------------------------
1783.30    1.411   206.96
1784.30    1.403   207.12
1785.30    1.395   207.29
1786.30    1.387   207.46
1787.30    1.379   207.63
1788.30    1.371   207.80
1789.30    1.363   207.98
1790.30    1.355   208.16
1791.30    1.347   208.33
1792.30    1.338   208.52
1793.30    1.330   208.70
1794.30    1.322   208.89
1795.30    1.314   209.07
1796.30    1.305   209.26
1797.30    1.297   209.46
1798.30    1.289   209.65
1799.30    1.280   209.85
1800.30    1.272   210.05
1801.30    1.264   210.25
1802.30    1.255   210.46
1803.30    1.247   210.67
1804.30    1.238   210.88
1805.30    1.230   211.10
1806.30    1.221   211.31
1807.30    1.213   211.53
1808.30    1.204   211.76
1809.30    1.196   211.98
1810.30    1.187   212.21
1811.30    1.178   212.45
1812.30    1.170   212.69
1813.30    1.161   212.93
1814.30    1.152   213.17
1815.30    1.144   213.42
1816.30    1.135   213.67
1817.30    1.126   213.93
1818.30    1.118   214.18
1819.30    1.109   214.45
1820.30    1.100   214.72
1821.30    1.092   214.99
1822.30    1.083   215.26
1823.30    1.074   215.55
1824.30    1.065   215.83
1825.30    1.057   216.12
1826.30    1.048   216.42
1827.30    1.039   216.72
1828.30    1.030   217.02
1829.30    1.021   217.33
1830.30    1.013   217.65
1831.30    1.004   217.97
1832.30    0.995   218.30
1833.30    0.986   218.63
1834.30    0.978   218.97
1835.30    0.969   219.31
1836.30    0.960   219.67
1837.30    0.951   220.02
1838.30    0.943   220.39
1839.30    0.934   220.76
1840.30    0.925   221.14
1841.30    0.916   221.52
1842.30    0.908   221.92
1843.30    0.899   222.32
1844.30    0.890   222.73
1845.30    0.882   223.14
1846.30    0.873   223.57
1847.30    0.864   224.00
1848.30    0.856   224.44
1849.30    0.847   224.89
1850.30    0.839   225.35
1851.30    0.830   225.82
1852.30    0.822   226.30
1853.30    0.813   226.79
1854.30    0.805   227.29
1855.30    0.797   227.80
1856.30    0.788   228.32
1857.30    0.780   228.85
1858.30    0.772   229.39
1859.30    0.764   229.95
1860.30    0.755   230.51
1861.30    0.747   231.09
1862.30    0.739   231.68
1863.30    0.731   232.29
1864.30    0.723   232.91
1865.30    0.716   233.54
1866.30    0.708   234.18
1867.30    0.700   234.84
1868.30    0.692   235.52
1869.30    0.685   236.21
1870.30    0.677   236.91
1871.30    0.670   237.63
1872.30    0.662   238.37
1873.30    0.655   239.12
1874.30    0.648   239.89
1875.30    0.641   240.68
1876.30    0.634   241.48
1877.30    0.627   242.30
1878.30    0.620   243.14
1879.30    0.614   244.00
1880.30    0.607   244.88
1881.30    0.601   245.77
1882.30    0.595   246.69
1883.30    0.589   247.62
1884.30    0.583   248.57
1885.30    0.577   249.54
1886.30    0.571   250.54
1887.30    0.566   251.55
1888.30    0.560   252.58
1889.30    0.555   253.63
1890.30    0.550   254.70
1891.30    0.545   255.79
1892.30    0.540   256.90
1893.30    0.536   258.03
1894.30    0.532   259.17
1895.30    0.528   260.34
1896.30    0.524   261.52
1897.30    0.520   262.72
1898.30    0.517   263.94
1899.30    0.513   265.17
1900.30    0.510   266.42
1901.30    0.507   267.68
1902.30    0.505   268.96
1903.30    0.502   270.25
1904.30    0.500   271.55
1905.30    0.498   272.86
1906.30    0.497   274.18
1907.30    0.495   275.50
1908.30    0.494   276.84
1909.30    0.493   278.18
1910.30    0.493   279.52
1911.30    0.492   280.87
1912.30    0.492   282.22
1913.30    0.492   283.57
1914.30    0.493   284.91
1915.30    0.493   286.26
1916.30    0.494   287.60
1917.30    0.495   288.93
1918.30    0.497   290.26
1919.30    0.498   291.58
1920.30    0.500   292.89
1921.30    0.502   294.20
1922.30    0.505   295.49
1923.30    0.507   296.76
1924.30    0.510   298.03
1925.30    0.513   299.28
1926.30    0.516   300.51
1927.30    0.519   301.73
1928.30    0.523   302.93
1929.30    0.527   304.12
1930.30    0.531   305.29
1931.30    0.535   306.44
1932.30    0.540   307.57
1933.30    0.544   308.68
1934.30    0.549   309.77
1935.30    0.554   310.85
1936.30    0.559   311.90
1937.30    0.564   312.94
1938.30    0.570   313.96
1939.30    0.575   314.95
1940.30    0.581   315.93
1941.30    0.587   316.89
1942.30    0.593   317.83
1943.30    0.599   318.75
1944.30    0.605   319.65
1945.30    0.611   320.54
1946.30    0.618   321.40
1947.30    0.624   322.25
1948.30    0.631   323.08
1949.30    0.638   323.89
1950.30    0.644   324.69
1951.30    0.651   325.47
1952.30    0.658   326.23
1953.30    0.665   326.97
1954.30    0.672   327.70
1955.30    0.680   328.42
1956.30    0.687   329.12
1957.30    0.694   329.81
1958.30    0.701   330.48
1959.30    0.709   331.13
1960.30    0.716   331.78
1961.30    0.724   332.41
1962.30    0.731   333.03
1963.30    0.739   333.63
1964.30    0.746   334.22
1965.30    0.754   334.80
1966.30    0.761   335.37
1967.30    0.769   335.93
1968.30    0.777   336.48
1969.30    0.784   337.02
1970.30    0.792   337.54
1971.30    0.800   338.06
1972.30    0.807   338.56
1973.30    0.815   339.06
1974.30    0.822   339.55
1975.30    0.830   340.03
1976.30    0.838   340.50
1977.30    0.845   340.96
1978.30    0.853   341.41
1979.30    0.860   341.86
1980.30    0.868   342.30
1981.30    0.875   342.73
1982.30    0.883   343.15
1983.30    0.890   343.56
1984.30    0.897   343.97
1985.30    0.905   344.38
1986.30    0.912   344.77
1987.30    0.919   345.16
1988.30    0.926   345.55
1989.30    0.933   345.93
1990.30    0.940   346.30
1991.30    0.947   346.66
1992.30    0.954   347.03
1993.30    0.960   347.38
1994.30    0.967   347.74
1995.30    0.974   348.08
1996.30    0.980   348.42
1997.30    0.986   348.76
1998.30    0.993   349.10
1999.30    0.999   349.43
2000.30    1.005   349.75
2001.30    1.010   350.07
2002.30    1.016   350.39
2003.30    1.022   350.71
2004.30    1.027   351.02
2005.30    1.032   351.33
2006.30    1.038   351.63
2007.30    1.043   351.93
2008.30    1.047   352.23
2009.30    1.052   352.53
2010.30    1.056   352.82
2011.30    1.060   353.12
2012.30    1.064   353.41
2013.30    1.068   353.69
2014.30    1.072   353.98
2015.30    1.075   354.26
2016.30    1.078   354.54
2017.30    1.081   354.82
2018.30    1.083   355.10
2019.30    1.085   355.38
2020.30    1.087   355.66
2021.30    1.089   355.93
2022.30    1.090   356.21
2023.30    1.091   356.48
2024.30    1.091   356.76
2025.30    1.091   357.03
2026.30    1.091   357.31
2027.30    1.090   357.58
2028.30    1.089   357.86
2029.30    1.087   358.14
2030.30    1.084   358.41
2031.30    1.081   358.69
2032.30    1.078   358.97
2033.30    1.074   359.25
2034.30    1.069   359.54
2035.30    1.063   359.83
2036.30    1.057     0.12
2037.30    1.050     0.41
2038.30    1.042     0.71
2039.30    1.033     1.01
2040.30    1.023     1.32
2041.30    1.012     1.64
2042.30    0.999     1.96
2043.30    0.986     2.29
2044.30    0.971     2.64
2045.30    0.954     2.99
2046.30    0.936     3.35
2047.30    0.916     3.73
2048.30    0.895     4.13
2049.30    0.871     4.55
2050.30    0.845     5.00
2051.30    0.816     5.47
2052.30    0.784     5.98
2053.30    0.750     6.54
2054.30    0.712     7.15
2055.30    0.671     7.83
2056.30    0.626     8.61
2057.30    0.577     9.51
2058.30    0.524    10.59
2059.30    0.466    11.93
2060.30    0.404    13.66
2061.30    0.338    16.06
2062.30    0.269    19.65
2063.30    0.198    25.79
2064.30    0.129    38.64
2065.30    0.078    73.23
2066.30    0.087   130.27
2067.30    0.147   156.56
2068.30    0.217   166.84
2069.30    0.289   172.05
2070.30    0.359   175.21
2071.30    0.427   177.34
2072.30    0.492   178.89
2073.30    0.554   180.09
2074.30    0.614   181.05
2075.30    0.671   181.84
2076.30    0.725   182.51
2077.30    0.776   183.09
2078.30    0.825   183.60
2079.30    0.871   184.06
2080.30    0.916   184.47
2081.30    0.958   184.84
2082.30    0.998   185.18
2083.30    1.037   185.50
2084.30    1.074   185.79
2085.30    1.109   186.06
2086.30    1.143   186.32
2087.30    1.175   186.57
2088.30    1.206   186.80
2089.30    1.235   187.02
2090.30    1.264   187.23
2091.30    1.291   187.43
2092.30    1.318   187.62
2093.30    1.343   187.80
2094.30    1.367   187.98
2095.30    1.390   188.15
2096.30    1.413   188.32
2097.30    1.434   188.48
2098.30    1.455   188.64
2099.30    1.475   188.79
2100.30    1.495   188.94
2101.30    1.513   189.08
2102.30    1.531   189.22
2103.30    1.548   189.36
2104.30    1.565   189.49
2105.30    1.581   189.63
2106.30    1.597   189.76
2107.30    1.612   189.88
2108.30    1.626   190.01
2109.30    1.640   190.13
2110.30    1.653   190.25
2111.30    1.666   190.37
2112.30    1.679   190.49
2113.30    1.691   190.60
2114.30    1.702   190.72
2115.30    1.714   190.83
2116.30    1.724   190.94
2117.30    1.735   191.05
2118.30    1.745   191.15
2119.30    1.754   191.26
2120.30    1.764   191.37
2121.30    1.773   191.47
2122.30    1.781   191.58
2123.30    1.789   191.68
2124.30    1.797   191.78
2125.30    1.805   191.88
2126.30    1.812   191.98
2127.30    1.819   192.08
2128.30    1.826   192.18
2129.30    1.832   192.28
2130.30    1.839   192.37
2131.30    1.845   192.47
2132.30    1.850   192.56
2133.30    1.856   192.66
2134.30    1.861   192.75
2135.30    1.866   192.85
2136.30    1.870   192.94
2137.30    1.875   193.04
2138.30    1.879   193.13
2139.30    1.883   193.22
2140.30    1.887   193.31
2141.30    1.890   193.40
2142.30    1.893   193.50
2143.30    1.897   193.59
2144.30    1.899   193.68
2145.30    1.902   193.77
2146.30    1.905   193.86
2147.30    1.907   193.95
2148.30    1.909   194.04
2149.30    1.911   194.13
2150.30    1.913   194.22
2151.30    1.915   194.31
2152.30    1.916   194.39
2153.30    1.917   194.48
2154.30    1.919   194.57
2155.30    1.919   194.66
2156.30    1.920   194.75
2157.30    1.921   194.84
2158.30    1.921   194.93
2159.30    1.922   195.02
2160.30    1.922   195.10
2161.30    1.922   195.19
2162.30    1.922   195.28
2163.30    1.922   195.37
2164.30    1.921   195.46
2165.30    1.921   195.55
2166.30    1.920   195.63
2167.30    1.919   195.72
2168.30    1.918   195.81
2169.30    1.917   195.90
2170.30    1.916   195.99
2171.30    1.915   196.08
2172.30    1.914   196.17
2173.30    1.912   196.26
2174.30    1.910   196.35
2175.30    1.909   196.44
2176.30    1.907   196.53
2177.30    1.905   196.62
2178.30    1.903   196.71
2179.30    1.900   196.80
2180.30    1.898   196.89
2181.30    1.896   196.98
2182.30    1.893   197.07
2183.30    1.890   197.16
2184.30    1.888   197.25
2185.30    1.885   197.34
2186.30    1.882   197.44
2187.30    1.879   197.53
2188.30    1.876   197.62
2189.30    1.873   197.71
2190.30    1.869   197.81
2191.30    1.866   197.90
2192.30    1.862   198.00
2193.30    1.859   198.09
2194.30    1.855   198.18
2195.30    1.851   198.28
2196.30    1.847   198.38
2197.30    1.843   198.47
2198.30    1.839   198.57
2199.30    1.835   198.66
2200.30    1.831   198.76
2201.30    1.827   198.86
2202.30    1.822   198.96
2203.30    1.818   199.06
2204.30    1.813   199.16
2205.30    1.809   199.26
2206.30    1.804   199.36
2207.30    1.799   199.46
2208.30    1.795   199.56
2209.30    1.790   199.66
2210.30    1.785   199.76
2211.30    1.780   199.86
2212.30    1.775   199.97
2213.30    1.769   200.07
2214.30    1.764   200.18
2215.30    1.759   200.28
2216.30    1.753   200.39
2217.30    1.748   200.49
2218.30    1.743   200.60
2219.30    1.737   200.71
2220.30    1.731   200.82
2221.30    1.726   200.93
2222.30    1.720   201.04
2223.30    1.714   201.15
2224.30    1.708   201.26
2225.30    1.702   201.37
2226.30    1.696   201.49
2227.30    1.690   201.60
2228.30    1.684   201.71
2229.30    1.678   201.83
2230.30    1.671   201.95
2231.30    1.665   202.06
2232.30    1.659   202.18
2233.30    1.652   202.30
2234.30    1.646   202.42
2235.30    1.639   202.54
2236.30    1.633   202.66
2237.30    1.626   202.79
2238.30    1.619   202.91
2239.30    1.613   203.04
2240.30    1.606   203.16
2241.30    1.599   203.29
2242.30    1.592   203.42
2243.30    1.585   203.55
2244.30    1.578   203.68
2245.30    1.571   203.81
2246.30    1.564   203.94
2247.30    1.557   204.08
2248.30    1.550   204.21
2249.30    1.543   204.35
2250.30    1.536   204.49
2251.30    1.528   204.63
2252.30    1.521   204.77
2253.30    1.514   204.91
2254.30    1.506   205.05
2255.30    1.499   205.20
2256.30    1.491   205.34
2257.30    1.484   205.49
2258.30    1.476   205.64
2259.30    1.468   205.79
2260.30    1.461   205.94
2261.30    1.453   206.10
2262.30    1.445   206.25
2263.30    1.438   206.41
2264.30    1.430   206.57
2265.30    1.422   206.73
2266.30    1.414   206.89






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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 17:33:37



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