Double Star Calculator - Orbit

Orbital Elements for DJU4
WDS: DJU4 WDS ID/Discoverer
P: 615.250 Orbital period (years)
a: 1.555 Semi-major axis (arcseconds)
i: 85.9 Inclination (degrees)
Ω: 68.1 Longitude of ascending node (degrees)
T: 2027.820 Epoch of periastron passage (year)
e: 0.079 Eccentricity
ω: 169.7 Longitude of periastron (degrees)
Start-Year: 1717.375 Year
End-Year: 2332.625 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for DJU4
Position: 195327.69+240446.6 Epoch-2000 right ascension and declination
WDS-ID: 19535+2405 WDS designation
Discoverer Code: DJU4 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 188260 HD catalog number
Hipparcos number: 97886 Hipparcos catalog number
V1: 4.63 Magnitude of the primary
V2: 7.37 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2004 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: Cve2008d Reference

Double Star Orbit for DJU4



WDS 6th Orbit including measures of DJU4

-- 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 DJU4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.405   247.29
--------------------------
1717.38    1.643    67.25
1718.38    1.646    67.29
1719.38    1.649    67.33
1720.38    1.651    67.36
1721.38    1.654    67.40
1722.38    1.656    67.44
1723.38    1.659    67.47
1724.38    1.661    67.51
1725.38    1.663    67.55
1726.38    1.664    67.58
1727.38    1.666    67.62
1728.38    1.668    67.65
1729.38    1.669    67.69
1730.38    1.670    67.73
1731.38    1.672    67.76
1732.38    1.673    67.80
1733.38    1.673    67.84
1734.38    1.674    67.87
1735.38    1.675    67.91
1736.38    1.675    67.94
1737.38    1.676    67.98
1738.38    1.676    68.02
1739.38    1.676    68.05
1740.38    1.676    68.09
1741.38    1.675    68.12
1742.38    1.675    68.16
1743.38    1.674    68.19
1744.38    1.674    68.23
1745.38    1.673    68.27
1746.38    1.672    68.30
1747.38    1.671    68.34
1748.38    1.670    68.38
1749.38    1.668    68.41
1750.38    1.667    68.45
1751.38    1.665    68.48
1752.38    1.663    68.52
1753.38    1.662    68.56
1754.38    1.660    68.59
1755.38    1.657    68.63
1756.38    1.655    68.67
1757.38    1.653    68.70
1758.38    1.650    68.74
1759.38    1.647    68.78
1760.38    1.644    68.82
1761.38    1.641    68.85
1762.38    1.638    68.89
1763.38    1.635    68.93
1764.38    1.631    68.97
1765.38    1.628    69.00
1766.38    1.624    69.04
1767.38    1.620    69.08
1768.38    1.616    69.12
1769.38    1.612    69.16
1770.38    1.608    69.20
1771.38    1.604    69.24
1772.38    1.599    69.27
1773.38    1.594    69.31
1774.38    1.590    69.35
1775.38    1.585    69.39
1776.38    1.580    69.43
1777.38    1.574    69.47
1778.38    1.569    69.52
1779.38    1.564    69.56
1780.38    1.558    69.60
1781.38    1.552    69.64
1782.38    1.546    69.68
1783.38    1.540    69.72
1784.38    1.534    69.77
1785.38    1.528    69.81
1786.38    1.522    69.85
1787.38    1.515    69.90
1788.38    1.508    69.94
1789.38    1.502    69.99
1790.38    1.495    70.03
1791.38    1.488    70.08
1792.38    1.480    70.12
1793.38    1.473    70.17
1794.38    1.466    70.21
1795.38    1.458    70.26
1796.38    1.450    70.31
1797.38    1.443    70.36
1798.38    1.435    70.41
1799.38    1.427    70.46
1800.38    1.418    70.51
1801.38    1.410    70.56
1802.38    1.402    70.61
1803.38    1.393    70.66
1804.38    1.384    70.71
1805.38    1.376    70.76
1806.38    1.367    70.82
1807.38    1.358    70.87
1808.38    1.349    70.93
1809.38    1.339    70.98
1810.38    1.330    71.04
1811.38    1.320    71.10
1812.38    1.311    71.15
1813.38    1.301    71.21
1814.38    1.291    71.27
1815.38    1.281    71.33
1816.38    1.271    71.40
1817.38    1.261    71.46
1818.38    1.250    71.52
1819.38    1.240    71.59
1820.38    1.229    71.65
1821.38    1.219    71.72
1822.38    1.208    71.79
1823.38    1.197    71.86
1824.38    1.186    71.93
1825.38    1.175    72.00
1826.38    1.164    72.08
1827.38    1.153    72.15
1828.38    1.141    72.23
1829.38    1.130    72.31
1830.38    1.118    72.39
1831.38    1.106    72.47
1832.38    1.094    72.55
1833.38    1.083    72.64
1834.38    1.071    72.72
1835.38    1.058    72.81
1836.38    1.046    72.90
1837.38    1.034    73.00
1838.38    1.021    73.09
1839.38    1.009    73.19
1840.38    0.996    73.29
1841.38    0.984    73.39
1842.38    0.971    73.50
1843.38    0.958    73.61
1844.38    0.945    73.72
1845.38    0.932    73.83
1846.38    0.919    73.95
1847.38    0.906    74.07
1848.38    0.892    74.20
1849.38    0.879    74.33
1850.38    0.866    74.46
1851.38    0.852    74.60
1852.38    0.839    74.74
1853.38    0.825    74.88
1854.38    0.811    75.03
1855.38    0.797    75.19
1856.38    0.783    75.35
1857.38    0.769    75.52
1858.38    0.755    75.69
1859.38    0.741    75.87
1860.38    0.727    76.06
1861.38    0.713    76.25
1862.38    0.698    76.46
1863.38    0.684    76.67
1864.38    0.670    76.89
1865.38    0.655    77.12
1866.38    0.641    77.36
1867.38    0.626    77.61
1868.38    0.611    77.87
1869.38    0.597    78.15
1870.38    0.582    78.44
1871.38    0.567    78.74
1872.38    0.552    79.07
1873.38    0.538    79.40
1874.38    0.523    79.76
1875.38    0.508    80.14
1876.38    0.493    80.55
1877.38    0.478    80.97
1878.38    0.463    81.43
1879.38    0.448    81.92
1880.38    0.433    82.44
1881.38    0.418    82.99
1882.38    0.403    83.59
1883.38    0.388    84.24
1884.38    0.373    84.94
1885.38    0.358    85.69
1886.38    0.343    86.52
1887.38    0.328    87.41
1888.38    0.313    88.40
1889.38    0.298    89.48
1890.38    0.283    90.67
1891.38    0.269    91.99
1892.38    0.254    93.47
1893.38    0.240    95.12
1894.38    0.226    96.98
1895.38    0.212    99.08
1896.38    0.199   101.48
1897.38    0.185   104.22
1898.38    0.173   107.37
1899.38    0.160   111.01
1900.38    0.149   115.23
1901.38    0.139   120.12
1902.38    0.129   125.75
1903.38    0.121   132.20
1904.38    0.115   139.43
1905.38    0.111   147.34
1906.38    0.109   155.70
1907.38    0.109   164.18
1908.38    0.112   172.41
1909.38    0.117   180.10
1910.38    0.124   187.05
1911.38    0.132   193.20
1912.38    0.142   198.56
1913.38    0.153   203.19
1914.38    0.165   207.19
1915.38    0.177   210.65
1916.38    0.190   213.65
1917.38    0.203   216.26
1918.38    0.217   218.54
1919.38    0.231   220.55
1920.38    0.245   222.33
1921.38    0.260   223.92
1922.38    0.274   225.34
1923.38    0.289   226.61
1924.38    0.303   227.76
1925.38    0.318   228.81
1926.38    0.333   229.76
1927.38    0.348   230.63
1928.38    0.363   231.42
1929.38    0.378   232.16
1930.38    0.393   232.84
1931.38    0.408   233.47
1932.38    0.423   234.05
1933.38    0.438   234.60
1934.38    0.453   235.11
1935.38    0.468   235.58
1936.38    0.483   236.03
1937.38    0.498   236.45
1938.38    0.512   236.84
1939.38    0.527   237.22
1940.38    0.542   237.57
1941.38    0.557   237.90
1942.38    0.571   238.22
1943.38    0.586   238.52
1944.38    0.601   238.81
1945.38    0.615   239.08
1946.38    0.630   239.34
1947.38    0.644   239.59
1948.38    0.658   239.83
1949.38    0.673   240.06
1950.38    0.687   240.28
1951.38    0.701   240.48
1952.38    0.715   240.69
1953.38    0.729   240.88
1954.38    0.743   241.07
1955.38    0.756   241.25
1956.38    0.770   241.42
1957.38    0.784   241.59
1958.38    0.797   241.75
1959.38    0.811   241.90
1960.38    0.824   242.05
1961.38    0.837   242.20
1962.38    0.850   242.34
1963.38    0.863   242.48
1964.38    0.876   242.61
1965.38    0.889   242.74
1966.38    0.902   242.87
1967.38    0.914   242.99
1968.38    0.927   243.11
1969.38    0.939   243.22
1970.38    0.952   243.34
1971.38    0.964   243.45
1972.38    0.976   243.55
1973.38    0.988   243.66
1974.38    0.999   243.76
1975.38    1.011   243.86
1976.38    1.023   243.96
1977.38    1.034   244.05
1978.38    1.045   244.15
1979.38    1.056   244.24
1980.38    1.067   244.33
1981.38    1.078   244.42
1982.38    1.089   244.50
1983.38    1.100   244.59
1984.38    1.110   244.67
1985.38    1.120   244.75
1986.38    1.131   244.83
1987.38    1.141   244.91
1988.38    1.150   244.98
1989.38    1.160   245.06
1990.38    1.170   245.13
1991.38    1.179   245.21
1992.38    1.188   245.28
1993.38    1.198   245.35
1994.38    1.207   245.42
1995.38    1.215   245.49
1996.38    1.224   245.56
1997.38    1.232   245.62
1998.38    1.241   245.69
1999.38    1.249   245.75
2000.38    1.257   245.82
2001.38    1.265   245.88
2002.38    1.273   245.95
2003.38    1.280   246.01
2004.38    1.287   246.07
2005.38    1.295   246.13
2006.38    1.302   246.19
2007.38    1.308   246.25
2008.38    1.315   246.31
2009.38    1.322   246.36
2010.38    1.328   246.42
2011.38    1.334   246.48
2012.38    1.340   246.54
2013.38    1.346   246.59
2014.38    1.351   246.65
2015.38    1.357   246.70
2016.38    1.362   246.76
2017.38    1.367   246.81
2018.38    1.372   246.86
2019.38    1.377   246.92
2020.38    1.381   246.97
2021.38    1.386   247.02
2022.38    1.390   247.08
2023.38    1.394   247.13
2024.38    1.398   247.18
2025.38    1.401   247.23
2026.38    1.405   247.28
2027.38    1.408   247.33
2028.38    1.411   247.38
2029.38    1.414   247.43
2030.38    1.416   247.48
2031.38    1.419   247.53
2032.38    1.421   247.58
2033.38    1.423   247.63
2034.38    1.425   247.68
2035.38    1.427   247.73
2036.38    1.428   247.78
2037.38    1.430   247.83
2038.38    1.431   247.88
2039.38    1.432   247.93
2040.38    1.433   247.98
2041.38    1.433   248.03
2042.38    1.434   248.08
2043.38    1.434   248.13
2044.38    1.434   248.18
2045.38    1.434   248.23
2046.38    1.433   248.27
2047.38    1.433   248.32
2048.38    1.432   248.37
2049.38    1.431   248.42
2050.38    1.430   248.47
2051.38    1.429   248.52
2052.38    1.427   248.57
2053.38    1.426   248.62
2054.38    1.424   248.67
2055.38    1.422   248.72
2056.38    1.420   248.77
2057.38    1.417   248.82
2058.38    1.414   248.87
2059.38    1.412   248.92
2060.38    1.409   248.97
2061.38    1.406   249.02
2062.38    1.402   249.07
2063.38    1.399   249.12
2064.38    1.395   249.18
2065.38    1.391   249.23
2066.38    1.387   249.28
2067.38    1.383   249.33
2068.38    1.378   249.39
2069.38    1.374   249.44
2070.38    1.369   249.49
2071.38    1.364   249.55
2072.38    1.359   249.60
2073.38    1.354   249.66
2074.38    1.348   249.71
2075.38    1.342   249.77
2076.38    1.337   249.82
2077.38    1.331   249.88
2078.38    1.324   249.94
2079.38    1.318   249.99
2080.38    1.312   250.05
2081.38    1.305   250.11
2082.38    1.298   250.17
2083.38    1.291   250.23
2084.38    1.284   250.29
2085.38    1.277   250.35
2086.38    1.269   250.42
2087.38    1.261   250.48
2088.38    1.254   250.54
2089.38    1.246   250.61
2090.38    1.237   250.67
2091.38    1.229   250.74
2092.38    1.221   250.81
2093.38    1.212   250.87
2094.38    1.203   250.94
2095.38    1.195   251.01
2096.38    1.186   251.09
2097.38    1.176   251.16
2098.38    1.167   251.23
2099.38    1.158   251.31
2100.38    1.148   251.38
2101.38    1.138   251.46
2102.38    1.128   251.54
2103.38    1.118   251.62
2104.38    1.108   251.70
2105.38    1.098   251.78
2106.38    1.088   251.87
2107.38    1.077   251.95
2108.38    1.066   252.04
2109.38    1.056   252.13
2110.38    1.045   252.22
2111.38    1.034   252.31
2112.38    1.022   252.41
2113.38    1.011   252.51
2114.38    1.000   252.61
2115.38    0.988   252.71
2116.38    0.976   252.81
2117.38    0.965   252.92
2118.38    0.953   253.03
2119.38    0.941   253.14
2120.38    0.929   253.26
2121.38    0.917   253.38
2122.38    0.904   253.50
2123.38    0.892   253.62
2124.38    0.879   253.75
2125.38    0.867   253.88
2126.38    0.854   254.02
2127.38    0.841   254.16
2128.38    0.828   254.31
2129.38    0.815   254.45
2130.38    0.802   254.61
2131.38    0.789   254.77
2132.38    0.776   254.93
2133.38    0.763   255.10
2134.38    0.749   255.28
2135.38    0.736   255.46
2136.38    0.722   255.65
2137.38    0.709   255.85
2138.38    0.695   256.05
2139.38    0.681   256.27
2140.38    0.667   256.49
2141.38    0.653   256.72
2142.38    0.639   256.96
2143.38    0.625   257.21
2144.38    0.611   257.48
2145.38    0.597   257.75
2146.38    0.583   258.04
2147.38    0.569   258.35
2148.38    0.554   258.67
2149.38    0.540   259.00
2150.38    0.526   259.36
2151.38    0.511   259.73
2152.38    0.497   260.13
2153.38    0.482   260.55
2154.38    0.468   261.00
2155.38    0.453   261.47
2156.38    0.439   261.98
2157.38    0.424   262.52
2158.38    0.410   263.10
2159.38    0.395   263.73
2160.38    0.381   264.40
2161.38    0.366   265.12
2162.38    0.352   265.90
2163.38    0.337   266.75
2164.38    0.323   267.68
2165.38    0.308   268.69
2166.38    0.294   269.80
2167.38    0.280   271.03
2168.38    0.266   272.39
2169.38    0.252   273.89
2170.38    0.238   275.57
2171.38    0.224   277.46
2172.38    0.211   279.59
2173.38    0.198   282.00
2174.38    0.185   284.74
2175.38    0.173   287.88
2176.38    0.162   291.48
2177.38    0.151   295.62
2178.38    0.141   300.37
2179.38    0.132   305.80
2180.38    0.124   311.96
2181.38    0.118   318.82
2182.38    0.114   326.28
2183.38    0.112   334.16
2184.38    0.112   342.18
2185.38    0.115   350.03
2186.38    0.119   357.44
2187.38    0.125     4.23
2188.38    0.133    10.31
2189.38    0.142    15.68
2190.38    0.152    20.36
2191.38    0.163    24.44
2192.38    0.174    28.00
2193.38    0.187    31.09
2194.38    0.199    33.80
2195.38    0.212    36.18
2196.38    0.226    38.28
2197.38    0.239    40.15
2198.38    0.253    41.81
2199.38    0.267    43.30
2200.38    0.281    44.64
2201.38    0.296    45.86
2202.38    0.310    46.96
2203.38    0.324    47.96
2204.38    0.339    48.88
2205.38    0.353    49.72
2206.38    0.368    50.50
2207.38    0.382    51.22
2208.38    0.397    51.88
2209.38    0.411    52.50
2210.38    0.426    53.07
2211.38    0.441    53.61
2212.38    0.455    54.11
2213.38    0.470    54.58
2214.38    0.484    55.03
2215.38    0.499    55.44
2216.38    0.513    55.84
2217.38    0.528    56.21
2218.38    0.542    56.56
2219.38    0.557    56.89
2220.38    0.571    57.21
2221.38    0.586    57.51
2222.38    0.600    57.80
2223.38    0.614    58.07
2224.38    0.629    58.34
2225.38    0.643    58.58
2226.38    0.657    58.82
2227.38    0.671    59.05
2228.38    0.685    59.27
2229.38    0.699    59.48
2230.38    0.713    59.68
2231.38    0.727    59.88
2232.38    0.741    60.07
2233.38    0.754    60.25
2234.38    0.768    60.42
2235.38    0.782    60.59
2236.38    0.795    60.75
2237.38    0.809    60.91
2238.38    0.822    61.06
2239.38    0.836    61.21
2240.38    0.849    61.35
2241.38    0.862    61.49
2242.38    0.875    61.62
2243.38    0.888    61.75
2244.38    0.901    61.88
2245.38    0.914    62.00
2246.38    0.927    62.12
2247.38    0.940    62.23
2248.38    0.953    62.35
2249.38    0.965    62.46
2250.38    0.978    62.56
2251.38    0.990    62.67
2252.38    1.002    62.77
2253.38    1.015    62.87
2254.38    1.027    62.96
2255.38    1.039    63.06
2256.38    1.051    63.15
2257.38    1.063    63.24
2258.38    1.075    63.33
2259.38    1.086    63.42
2260.38    1.098    63.50
2261.38    1.110    63.58
2262.38    1.121    63.66
2263.38    1.132    63.74
2264.38    1.144    63.82
2265.38    1.155    63.90
2266.38    1.166    63.97
2267.38    1.177    64.05
2268.38    1.188    64.12
2269.38    1.199    64.19
2270.38    1.209    64.26
2271.38    1.220    64.33
2272.38    1.230    64.39
2273.38    1.241    64.46
2274.38    1.251    64.53
2275.38    1.261    64.59
2276.38    1.271    64.65
2277.38    1.281    64.71
2278.38    1.291    64.78
2279.38    1.300    64.84
2280.38    1.310    64.89
2281.38    1.319    64.95
2282.38    1.329    65.01
2283.38    1.338    65.07
2284.38    1.347    65.12
2285.38    1.356    65.18
2286.38    1.365    65.23
2287.38    1.374    65.29
2288.38    1.383    65.34
2289.38    1.391    65.39
2290.38    1.400    65.44
2291.38    1.408    65.49
2292.38    1.416    65.55
2293.38    1.424    65.60
2294.38    1.432    65.64
2295.38    1.440    65.69
2296.38    1.448    65.74
2297.38    1.456    65.79
2298.38    1.463    65.84
2299.38    1.470    65.88
2300.38    1.478    65.93
2301.38    1.485    65.98
2302.38    1.492    66.02
2303.38    1.499    66.07
2304.38    1.505    66.11
2305.38    1.512    66.16
2306.38    1.519    66.20
2307.38    1.525    66.24
2308.38    1.531    66.29
2309.38    1.537    66.33
2310.38    1.543    66.37
2311.38    1.549    66.41
2312.38    1.555    66.46
2313.38    1.561    66.50
2314.38    1.566    66.54
2315.38    1.571    66.58
2316.38    1.577    66.62
2317.38    1.582    66.66
2318.38    1.587    66.70
2319.38    1.592    66.74
2320.38    1.596    66.78
2321.38    1.601    66.82
2322.38    1.605    66.86
2323.38    1.610    66.90
2324.38    1.614    66.94
2325.38    1.618    66.98
2326.38    1.622    67.01
2327.38    1.625    67.05
2328.38    1.629    67.09
2329.38    1.633    67.13
2330.38    1.636    67.17
2331.38    1.639    67.20
2332.38    1.642    67.24






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 18:09:41



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