Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:09:38

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: 1718.0 Year
End-Year: 2332.0 Year
Epoch: 2025.0 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' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for DJU4



WDS 6th Orbit including measures of DJU4

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of DJU4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.400    247.2
-------------------------
1718.0     1.645     67.3
1719.0     1.648     67.3
1720.0     1.650     67.3
1721.0     1.653     67.4
1722.0     1.655     67.4
1723.0     1.658     67.5
1724.0     1.660     67.5
1725.0     1.662     67.5
1726.0     1.664     67.6
1727.0     1.666     67.6
1728.0     1.667     67.6
1729.0     1.669     67.7
1730.0     1.670     67.7
1731.0     1.671     67.7
1732.0     1.672     67.8
1733.0     1.673     67.8
1734.0     1.674     67.9
1735.0     1.675     67.9
1736.0     1.675     67.9
1737.0     1.675     68.0
1738.0     1.676     68.0
1739.0     1.676     68.0
1740.0     1.676     68.1
1741.0     1.675     68.1
1742.0     1.675     68.1
1743.0     1.675     68.2
1744.0     1.674     68.2
1745.0     1.673     68.3
1746.0     1.672     68.3
1747.0     1.671     68.3
1748.0     1.670     68.4
1749.0     1.669     68.4
1750.0     1.667     68.4
1751.0     1.666     68.5
1752.0     1.664     68.5
1753.0     1.662     68.5
1754.0     1.660     68.6
1755.0     1.658     68.6
1756.0     1.656     68.7
1757.0     1.653     68.7
1758.0     1.651     68.7
1759.0     1.648     68.8
1760.0     1.645     68.8
1761.0     1.642     68.8
1762.0     1.639     68.9
1763.0     1.636     68.9
1764.0     1.633     69.0
1765.0     1.629     69.0
1766.0     1.626     69.0
1767.0     1.622     69.1
1768.0     1.618     69.1
1769.0     1.614     69.1
1770.0     1.610     69.2
1771.0     1.605     69.2
1772.0     1.601     69.3
1773.0     1.596     69.3
1774.0     1.591     69.3
1775.0     1.586     69.4
1776.0     1.581     69.4
1777.0     1.576     69.5
1778.0     1.571     69.5
1779.0     1.566     69.5
1780.0     1.560     69.6
1781.0     1.554     69.6
1782.0     1.549     69.7
1783.0     1.543     69.7
1784.0     1.537     69.8
1785.0     1.530     69.8
1786.0     1.524     69.8
1787.0     1.517     69.9
1788.0     1.511     69.9
1789.0     1.504     70.0
1790.0     1.497     70.0
1791.0     1.490     70.1
1792.0     1.483     70.1
1793.0     1.476     70.2
1794.0     1.468     70.2
1795.0     1.461     70.2
1796.0     1.453     70.3
1797.0     1.446     70.3
1798.0     1.438     70.4
1799.0     1.430     70.4
1800.0     1.422     70.5
1801.0     1.413     70.5
1802.0     1.405     70.6
1803.0     1.396     70.6
1804.0     1.388     70.7
1805.0     1.379     70.7
1806.0     1.370     70.8
1807.0     1.361     70.9
1808.0     1.352     70.9
1809.0     1.343     71.0
1810.0     1.333     71.0
1811.0     1.324     71.1
1812.0     1.314     71.1
1813.0     1.305     71.2
1814.0     1.295     71.3
1815.0     1.285     71.3
1816.0     1.275     71.4
1817.0     1.265     71.4
1818.0     1.254     71.5
1819.0     1.244     71.6
1820.0     1.233     71.6
1821.0     1.223     71.7
1822.0     1.212     71.8
1823.0     1.201     71.8
1824.0     1.190     71.9
1825.0     1.179     72.0
1826.0     1.168     72.0
1827.0     1.157     72.1
1828.0     1.145     72.2
1829.0     1.134     72.3
1830.0     1.122     72.4
1831.0     1.111     72.4
1832.0     1.099     72.5
1833.0     1.087     72.6
1834.0     1.075     72.7
1835.0     1.063     72.8
1836.0     1.051     72.9
1837.0     1.039     73.0
1838.0     1.026     73.1
1839.0     1.014     73.2
1840.0     1.001     73.3
1841.0     0.988     73.4
1842.0     0.976     73.5
1843.0     0.963     73.6
1844.0     0.950     73.7
1845.0     0.937     73.8
1846.0     0.924     73.9
1847.0     0.911     74.0
1848.0     0.897     74.2
1849.0     0.884     74.3
1850.0     0.871     74.4
1851.0     0.857     74.5
1852.0     0.844     74.7
1853.0     0.830     74.8
1854.0     0.816     75.0
1855.0     0.802     75.1
1856.0     0.789     75.3
1857.0     0.775     75.5
1858.0     0.761     75.6
1859.0     0.747     75.8
1860.0     0.732     76.0
1861.0     0.718     76.2
1862.0     0.704     76.4
1863.0     0.690     76.6
1864.0     0.675     76.8
1865.0     0.661     77.0
1866.0     0.646     77.3
1867.0     0.632     77.5
1868.0     0.617     77.8
1869.0     0.602     78.0
1870.0     0.588     78.3
1871.0     0.573     78.6
1872.0     0.558     78.9
1873.0     0.543     79.3
1874.0     0.528     79.6
1875.0     0.513     80.0
1876.0     0.498     80.4
1877.0     0.483     80.8
1878.0     0.469     81.3
1879.0     0.454     81.7
1880.0     0.438     82.2
1881.0     0.423     82.8
1882.0     0.408     83.4
1883.0     0.393     84.0
1884.0     0.378     84.7
1885.0     0.363     85.4
1886.0     0.348     86.2
1887.0     0.333     87.1
1888.0     0.319     88.0
1889.0     0.304     89.1
1890.0     0.289     90.2
1891.0     0.274     91.5
1892.0     0.260     92.9
1893.0     0.245     94.5
1894.0     0.231     96.3
1895.0     0.217     98.3
1896.0     0.204    100.5
1897.0     0.190    103.1
1898.0     0.177    106.1
1899.0     0.165    109.6
1900.0     0.153    113.6
1901.0     0.142    118.2
1902.0     0.133    123.5
1903.0     0.124    129.7
1904.0     0.117    136.6
1905.0     0.112    144.3
1906.0     0.110    152.5
1907.0     0.109    161.0
1908.0     0.111    169.4
1909.0     0.115    177.3
1910.0     0.121    184.5
1911.0     0.129    191.0
1912.0     0.138    196.6
1913.0     0.149    201.5
1914.0     0.160    205.8
1915.0     0.172    209.4
1916.0     0.185    212.6
1917.0     0.198    215.3
1918.0     0.212    217.7
1919.0     0.226    219.8
1920.0     0.240    221.7
1921.0     0.254    223.3
1922.0     0.269    224.8
1923.0     0.283    226.1
1924.0     0.298    227.3
1925.0     0.313    228.4
1926.0     0.328    229.4
1927.0     0.342    230.3
1928.0     0.357    231.1
1929.0     0.372    231.9
1930.0     0.387    232.6
1931.0     0.402    233.2
1932.0     0.417    233.8
1933.0     0.432    234.4
1934.0     0.447    234.9
1935.0     0.462    235.4
1936.0     0.477    235.9
1937.0     0.492    236.3
1938.0     0.507    236.7
1939.0     0.522    237.1
1940.0     0.536    237.4
1941.0     0.551    237.8
1942.0     0.566    238.1
1943.0     0.581    238.4
1944.0     0.595    238.7
1945.0     0.610    239.0
1946.0     0.624    239.2
1947.0     0.639    239.5
1948.0     0.653    239.7
1949.0     0.667    240.0
1950.0     0.681    240.2
1951.0     0.696    240.4
1952.0     0.710    240.6
1953.0     0.724    240.8
1954.0     0.737    241.0
1955.0     0.751    241.2
1956.0     0.765    241.4
1957.0     0.779    241.5
1958.0     0.792    241.7
1959.0     0.806    241.8
1960.0     0.819    242.0
1961.0     0.832    242.1
1962.0     0.845    242.3
1963.0     0.858    242.4
1964.0     0.871    242.6
1965.0     0.884    242.7
1966.0     0.897    242.8
1967.0     0.910    242.9
1968.0     0.922    243.1
1969.0     0.935    243.2
1970.0     0.947    243.3
1971.0     0.959    243.4
1972.0     0.971    243.5
1973.0     0.983    243.6
1974.0     0.995    243.7
1975.0     1.007    243.8
1976.0     1.018    243.9
1977.0     1.030    244.0
1978.0     1.041    244.1
1979.0     1.052    244.2
1980.0     1.063    244.3
1981.0     1.074    244.4
1982.0     1.085    244.5
1983.0     1.096    244.6
1984.0     1.106    244.6
1985.0     1.116    244.7
1986.0     1.127    244.8
1987.0     1.137    244.9
1988.0     1.147    245.0
1989.0     1.157    245.0
1990.0     1.166    245.1
1991.0     1.176    245.2
1992.0     1.185    245.3
1993.0     1.194    245.3
1994.0     1.203    245.4
1995.0     1.212    245.5
1996.0     1.221    245.5
1997.0     1.229    245.6
1998.0     1.238    245.7
1999.0     1.246    245.7
2000.0     1.254    245.8
2001.0     1.262    245.9
2002.0     1.270    245.9
2003.0     1.277    246.0
2004.0     1.285    246.0
2005.0     1.292    246.1
2006.0     1.299    246.2
2007.0     1.306    246.2
2008.0     1.313    246.3
2009.0     1.319    246.3
2010.0     1.326    246.4
2011.0     1.332    246.5
2012.0     1.338    246.5
2013.0     1.344    246.6
2014.0     1.349    246.6
2015.0     1.355    246.7
2016.0     1.360    246.7
2017.0     1.365    246.8
2018.0     1.370    246.8
2019.0     1.375    246.9
2020.0     1.380    247.0
2021.0     1.384    247.0
2022.0     1.388    247.1
2023.0     1.392    247.1
2024.0     1.396    247.2
2025.0     1.400    247.2
2026.0     1.403    247.3
2027.0     1.407    247.3
2028.0     1.410    247.4
2029.0     1.413    247.4
2030.0     1.415    247.5
2031.0     1.418    247.5
2032.0     1.420    247.6
2033.0     1.423    247.6
2034.0     1.425    247.7
2035.0     1.426    247.7
2036.0     1.428    247.8
2037.0     1.429    247.8
2038.0     1.431    247.9
2039.0     1.432    247.9
2040.0     1.432    248.0
2041.0     1.433    248.0
2042.0     1.434    248.1
2043.0     1.434    248.1
2044.0     1.434    248.2
2045.0     1.434    248.2
2046.0     1.434    248.3
2047.0     1.433    248.3
2048.0     1.432    248.4
2049.0     1.432    248.4
2050.0     1.431    248.5
2051.0     1.429    248.5
2052.0     1.428    248.6
2053.0     1.426    248.6
2054.0     1.425    248.7
2055.0     1.423    248.7
2056.0     1.420    248.8
2057.0     1.418    248.8
2058.0     1.415    248.9
2059.0     1.413    248.9
2060.0     1.410    249.0
2061.0     1.407    249.0
2062.0     1.403    249.1
2063.0     1.400    249.1
2064.0     1.396    249.2
2065.0     1.393    249.2
2066.0     1.389    249.3
2067.0     1.384    249.3
2068.0     1.380    249.4
2069.0     1.375    249.4
2070.0     1.371    249.5
2071.0     1.366    249.5
2072.0     1.361    249.6
2073.0     1.356    249.6
2074.0     1.350    249.7
2075.0     1.345    249.7
2076.0     1.339    249.8
2077.0     1.333    249.9
2078.0     1.327    249.9
2079.0     1.320    250.0
2080.0     1.314    250.0
2081.0     1.307    250.1
2082.0     1.301    250.1
2083.0     1.294    250.2
2084.0     1.287    250.3
2085.0     1.279    250.3
2086.0     1.272    250.4
2087.0     1.264    250.5
2088.0     1.257    250.5
2089.0     1.249    250.6
2090.0     1.241    250.6
2091.0     1.232    250.7
2092.0     1.224    250.8
2093.0     1.215    250.8
2094.0     1.207    250.9
2095.0     1.198    251.0
2096.0     1.189    251.1
2097.0     1.180    251.1
2098.0     1.171    251.2
2099.0     1.161    251.3
2100.0     1.152    251.4
2101.0     1.142    251.4
2102.0     1.132    251.5
2103.0     1.122    251.6
2104.0     1.112    251.7
2105.0     1.102    251.8
2106.0     1.091    251.8
2107.0     1.081    251.9
2108.0     1.070    252.0
2109.0     1.060    252.1
2110.0     1.049    252.2
2111.0     1.038    252.3
2112.0     1.027    252.4
2113.0     1.015    252.5
2114.0     1.004    252.6
2115.0     0.992    252.7
2116.0     0.981    252.8
2117.0     0.969    252.9
2118.0     0.957    253.0
2119.0     0.945    253.1
2120.0     0.933    253.2
2121.0     0.921    253.3
2122.0     0.909    253.5
2123.0     0.897    253.6
2124.0     0.884    253.7
2125.0     0.872    253.8
2126.0     0.859    254.0
2127.0     0.846    254.1
2128.0     0.833    254.3
2129.0     0.820    254.4
2130.0     0.807    254.6
2131.0     0.794    254.7
2132.0     0.781    254.9
2133.0     0.768    255.0
2134.0     0.754    255.2
2135.0     0.741    255.4
2136.0     0.727    255.6
2137.0     0.714    255.8
2138.0     0.700    256.0
2139.0     0.686    256.2
2140.0     0.672    256.4
2141.0     0.659    256.6
2142.0     0.645    256.9
2143.0     0.631    257.1
2144.0     0.617    257.4
2145.0     0.602    257.6
2146.0     0.588    257.9
2147.0     0.574    258.2
2148.0     0.560    258.5
2149.0     0.545    258.9
2150.0     0.531    259.2
2151.0     0.517    259.6
2152.0     0.502    260.0
2153.0     0.488    260.4
2154.0     0.473    260.8
2155.0     0.459    261.3
2156.0     0.444    261.8
2157.0     0.430    262.3
2158.0     0.415    262.9
2159.0     0.401    263.5
2160.0     0.386    264.1
2161.0     0.372    264.8
2162.0     0.357    265.6
2163.0     0.343    266.4
2164.0     0.328    267.3
2165.0     0.314    268.3
2166.0     0.299    269.4
2167.0     0.285    270.6
2168.0     0.271    271.9
2169.0     0.257    273.3
2170.0     0.243    274.9
2171.0     0.230    276.7
2172.0     0.216    278.8
2173.0     0.203    281.1
2174.0     0.190    283.7
2175.0     0.178    286.7
2176.0     0.166    290.1
2177.0     0.155    294.0
2178.0     0.144    298.5
2179.0     0.135    303.7
2180.0     0.127    309.6
2181.0     0.120    316.2
2182.0     0.116    323.4
2183.0     0.113    331.2
2184.0     0.112    339.2
2185.0     0.114    347.1
2186.0     0.117    354.7
2187.0     0.123      1.8
2188.0     0.130      8.1
2189.0     0.138     13.7
2190.0     0.148     18.7
2191.0     0.159     23.0
2192.0     0.170     26.7
2193.0     0.182     30.0
2194.0     0.195     32.8
2195.0     0.208     35.3
2196.0     0.221     37.5
2197.0     0.234     39.5
2198.0     0.248     41.2
2199.0     0.262     42.8
2200.0     0.276     44.2
2201.0     0.290     45.4
2202.0     0.305     46.6
2203.0     0.319     47.6
2204.0     0.333     48.5
2205.0     0.348     49.4
2206.0     0.362     50.2
2207.0     0.377     51.0
2208.0     0.391     51.6
2209.0     0.406     52.3
2210.0     0.421     52.9
2211.0     0.435     53.4
2212.0     0.450     53.9
2213.0     0.464     54.4
2214.0     0.479     54.9
2215.0     0.494     55.3
2216.0     0.508     55.7
2217.0     0.523     56.1
2218.0     0.537     56.4
2219.0     0.551     56.8
2220.0     0.566     57.1
2221.0     0.580     57.4
2222.0     0.595     57.7
2223.0     0.609     58.0
2224.0     0.623     58.2
2225.0     0.637     58.5
2226.0     0.652     58.7
2227.0     0.666     59.0
2228.0     0.680     59.2
2229.0     0.694     59.4
2230.0     0.708     59.6
2231.0     0.722     59.8
2232.0     0.735     60.0
2233.0     0.749     60.2
2234.0     0.763     60.4
2235.0     0.777     60.5
2236.0     0.790     60.7
2237.0     0.804     60.9
2238.0     0.817     61.0
2239.0     0.831     61.2
2240.0     0.844     61.3
2241.0     0.857     61.4
2242.0     0.870     61.6
2243.0     0.883     61.7
2244.0     0.896     61.8
2245.0     0.909     62.0
2246.0     0.922     62.1
2247.0     0.935     62.2
2248.0     0.948     62.3
2249.0     0.960     62.4
2250.0     0.973     62.5
2251.0     0.985     62.6
2252.0     0.998     62.7
2253.0     1.010     62.8
2254.0     1.022     62.9
2255.0     1.034     63.0
2256.0     1.047     63.1
2257.0     1.058     63.2
2258.0     1.070     63.3
2259.0     1.082     63.4
2260.0     1.094     63.5
2261.0     1.105     63.6
2262.0     1.117     63.6
2263.0     1.128     63.7
2264.0     1.139     63.8
2265.0     1.151     63.9
2266.0     1.162     63.9
2267.0     1.173     64.0
2268.0     1.184     64.1
2269.0     1.194     64.2
2270.0     1.205     64.2
2271.0     1.216     64.3
2272.0     1.226     64.4
2273.0     1.237     64.4
2274.0     1.247     64.5
2275.0     1.257     64.6
2276.0     1.267     64.6
2277.0     1.277     64.7
2278.0     1.287     64.8
2279.0     1.297     64.8
2280.0     1.306     64.9
2281.0     1.316     64.9
2282.0     1.325     65.0
2283.0     1.335     65.0
2284.0     1.344     65.1
2285.0     1.353     65.2
2286.0     1.362     65.2
2287.0     1.371     65.3
2288.0     1.379     65.3
2289.0     1.388     65.4
2290.0     1.397     65.4
2291.0     1.405     65.5
2292.0     1.413     65.5
2293.0     1.421     65.6
2294.0     1.429     65.6
2295.0     1.437     65.7
2296.0     1.445     65.7
2297.0     1.453     65.8
2298.0     1.460     65.8
2299.0     1.468     65.9
2300.0     1.475     65.9
2301.0     1.482     66.0
2302.0     1.489     66.0
2303.0     1.496     66.1
2304.0     1.503     66.1
2305.0     1.510     66.1
2306.0     1.516     66.2
2307.0     1.523     66.2
2308.0     1.529     66.3
2309.0     1.535     66.3
2310.0     1.541     66.4
2311.0     1.547     66.4
2312.0     1.553     66.4
2313.0     1.559     66.5
2314.0     1.564     66.5
2315.0     1.569     66.6
2316.0     1.575     66.6
2317.0     1.580     66.6
2318.0     1.585     66.7
2319.0     1.590     66.7
2320.0     1.595     66.8
2321.0     1.599     66.8
2322.0     1.604     66.8
2323.0     1.608     66.9
2324.0     1.612     66.9
2325.0     1.616     67.0
2326.0     1.620     67.0
2327.0     1.624     67.0
2328.0     1.628     67.1
2329.0     1.631     67.1
2330.0     1.635     67.2
2331.0     1.638     67.2






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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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