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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:14:03

Orbital Elements for I390
WDS: I390 WDS ID/Discoverer
P: 600.000 Orbital period (years)
a: 0.468 Semi-major axis (arcseconds)
i: 70.4 Inclination (degrees)
Ω: 266.2 Longitude of ascending node (degrees)
T: 2069.000 Epoch of periastron passage (year)
e: 0.6 Eccentricity
ω: 205.0 Longitude of periastron (degrees)
Start-Year: 1725.0 Year
End-Year: 2325.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I390
Position: 052451.04-581008.3 Epoch-2000 right ascension and declination
WDS-ID: 05249-5810 WDS designation
Discoverer Code: I390 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 35977 HD catalog number
Hipparcos number: 25313 Hipparcos catalog number
V1: 9.31 Magnitude of the primary
V2: 9.49 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2019 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for I390



WDS 6th Orbit including measures of I390

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


Ephemeris of I390
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.153     48.6
-------------------------
1725.0     0.710    271.9
1726.0     0.710    272.0
1727.0     0.709    272.1
1728.0     0.709    272.1
1729.0     0.709    272.2
1730.0     0.709    272.3
1731.0     0.709    272.4
1732.0     0.708    272.4
1733.0     0.708    272.5
1734.0     0.708    272.6
1735.0     0.708    272.6
1736.0     0.707    272.7
1737.0     0.707    272.8
1738.0     0.707    272.8
1739.0     0.706    272.9
1740.0     0.706    273.0
1741.0     0.705    273.1
1742.0     0.705    273.1
1743.0     0.705    273.2
1744.0     0.704    273.3
1745.0     0.704    273.3
1746.0     0.703    273.4
1747.0     0.703    273.5
1748.0     0.702    273.6
1749.0     0.702    273.6
1750.0     0.701    273.7
1751.0     0.700    273.8
1752.0     0.700    273.8
1753.0     0.699    273.9
1754.0     0.699    274.0
1755.0     0.698    274.1
1756.0     0.697    274.1
1757.0     0.697    274.2
1758.0     0.696    274.3
1759.0     0.695    274.4
1760.0     0.694    274.4
1761.0     0.694    274.5
1762.0     0.693    274.6
1763.0     0.692    274.6
1764.0     0.691    274.7
1765.0     0.690    274.8
1766.0     0.690    274.9
1767.0     0.689    274.9
1768.0     0.688    275.0
1769.0     0.687    275.1
1770.0     0.686    275.2
1771.0     0.685    275.2
1772.0     0.684    275.3
1773.0     0.683    275.4
1774.0     0.682    275.5
1775.0     0.681    275.5
1776.0     0.680    275.6
1777.0     0.679    275.7
1778.0     0.678    275.8
1779.0     0.677    275.8
1780.0     0.676    275.9
1781.0     0.675    276.0
1782.0     0.674    276.1
1783.0     0.673    276.2
1784.0     0.671    276.2
1785.0     0.670    276.3
1786.0     0.669    276.4
1787.0     0.668    276.5
1788.0     0.667    276.6
1789.0     0.665    276.6
1790.0     0.664    276.7
1791.0     0.663    276.8
1792.0     0.662    276.9
1793.0     0.660    277.0
1794.0     0.659    277.0
1795.0     0.658    277.1
1796.0     0.656    277.2
1797.0     0.655    277.3
1798.0     0.653    277.4
1799.0     0.652    277.4
1800.0     0.651    277.5
1801.0     0.649    277.6
1802.0     0.648    277.7
1803.0     0.646    277.8
1804.0     0.645    277.9
1805.0     0.643    277.9
1806.0     0.642    278.0
1807.0     0.640    278.1
1808.0     0.639    278.2
1809.0     0.637    278.3
1810.0     0.635    278.4
1811.0     0.634    278.5
1812.0     0.632    278.6
1813.0     0.631    278.6
1814.0     0.629    278.7
1815.0     0.627    278.8
1816.0     0.626    278.9
1817.0     0.624    279.0
1818.0     0.622    279.1
1819.0     0.621    279.2
1820.0     0.619    279.3
1821.0     0.617    279.4
1822.0     0.615    279.5
1823.0     0.613    279.6
1824.0     0.612    279.6
1825.0     0.610    279.7
1826.0     0.608    279.8
1827.0     0.606    279.9
1828.0     0.604    280.0
1829.0     0.602    280.1
1830.0     0.600    280.2
1831.0     0.598    280.3
1832.0     0.597    280.4
1833.0     0.595    280.5
1834.0     0.593    280.6
1835.0     0.591    280.7
1836.0     0.589    280.8
1837.0     0.587    280.9
1838.0     0.585    281.0
1839.0     0.583    281.1
1840.0     0.580    281.2
1841.0     0.578    281.3
1842.0     0.576    281.4
1843.0     0.574    281.6
1844.0     0.572    281.7
1845.0     0.570    281.8
1846.0     0.568    281.9
1847.0     0.566    282.0
1848.0     0.563    282.1
1849.0     0.561    282.2
1850.0     0.559    282.3
1851.0     0.557    282.4
1852.0     0.554    282.6
1853.0     0.552    282.7
1854.0     0.550    282.8
1855.0     0.548    282.9
1856.0     0.545    283.0
1857.0     0.543    283.1
1858.0     0.541    283.3
1859.0     0.538    283.4
1860.0     0.536    283.5
1861.0     0.534    283.6
1862.0     0.531    283.7
1863.0     0.529    283.9
1864.0     0.526    284.0
1865.0     0.524    284.1
1866.0     0.521    284.3
1867.0     0.519    284.4
1868.0     0.516    284.5
1869.0     0.514    284.7
1870.0     0.511    284.8
1871.0     0.509    284.9
1872.0     0.506    285.1
1873.0     0.504    285.2
1874.0     0.501    285.3
1875.0     0.499    285.5
1876.0     0.496    285.6
1877.0     0.493    285.8
1878.0     0.491    285.9
1879.0     0.488    286.1
1880.0     0.485    286.2
1881.0     0.483    286.4
1882.0     0.480    286.5
1883.0     0.477    286.7
1884.0     0.474    286.8
1885.0     0.472    287.0
1886.0     0.469    287.1
1887.0     0.466    287.3
1888.0     0.463    287.5
1889.0     0.461    287.6
1890.0     0.458    287.8
1891.0     0.455    288.0
1892.0     0.452    288.1
1893.0     0.449    288.3
1894.0     0.446    288.5
1895.0     0.443    288.7
1896.0     0.441    288.8
1897.0     0.438    289.0
1898.0     0.435    289.2
1899.0     0.432    289.4
1900.0     0.429    289.6
1901.0     0.426    289.8
1902.0     0.423    290.0
1903.0     0.420    290.2
1904.0     0.417    290.4
1905.0     0.414    290.6
1906.0     0.411    290.8
1907.0     0.408    291.0
1908.0     0.405    291.2
1909.0     0.402    291.4
1910.0     0.399    291.6
1911.0     0.396    291.9
1912.0     0.392    292.1
1913.0     0.389    292.3
1914.0     0.386    292.6
1915.0     0.383    292.8
1916.0     0.380    293.0
1917.0     0.377    293.3
1918.0     0.373    293.5
1919.0     0.370    293.8
1920.0     0.367    294.1
1921.0     0.364    294.3
1922.0     0.361    294.6
1923.0     0.357    294.9
1924.0     0.354    295.1
1925.0     0.351    295.4
1926.0     0.348    295.7
1927.0     0.344    296.0
1928.0     0.341    296.3
1929.0     0.338    296.6
1930.0     0.335    296.9
1931.0     0.331    297.2
1932.0     0.328    297.6
1933.0     0.325    297.9
1934.0     0.321    298.2
1935.0     0.318    298.6
1936.0     0.315    298.9
1937.0     0.311    299.3
1938.0     0.308    299.7
1939.0     0.304    300.0
1940.0     0.301    300.4
1941.0     0.298    300.8
1942.0     0.294    301.2
1943.0     0.291    301.6
1944.0     0.288    302.1
1945.0     0.284    302.5
1946.0     0.281    302.9
1947.0     0.277    303.4
1948.0     0.274    303.8
1949.0     0.271    304.3
1950.0     0.267    304.8
1951.0     0.264    305.3
1952.0     0.260    305.8
1953.0     0.257    306.4
1954.0     0.254    306.9
1955.0     0.250    307.5
1956.0     0.247    308.0
1957.0     0.243    308.6
1958.0     0.240    309.2
1959.0     0.237    309.8
1960.0     0.233    310.5
1961.0     0.230    311.1
1962.0     0.227    311.8
1963.0     0.223    312.5
1964.0     0.220    313.2
1965.0     0.217    314.0
1966.0     0.213    314.7
1967.0     0.210    315.5
1968.0     0.207    316.3
1969.0     0.204    317.2
1970.0     0.201    318.0
1971.0     0.197    318.9
1972.0     0.194    319.8
1973.0     0.191    320.8
1974.0     0.188    321.8
1975.0     0.185    322.8
1976.0     0.182    323.8
1977.0     0.179    324.9
1978.0     0.176    326.0
1979.0     0.174    327.2
1980.0     0.171    328.4
1981.0     0.168    329.6
1982.0     0.165    330.9
1983.0     0.163    332.2
1984.0     0.160    333.5
1985.0     0.158    334.9
1986.0     0.155    336.4
1987.0     0.153    337.8
1988.0     0.151    339.4
1989.0     0.149    340.9
1990.0     0.147    342.6
1991.0     0.145    344.2
1992.0     0.143    345.9
1993.0     0.141    347.7
1994.0     0.139    349.5
1995.0     0.138    351.3
1996.0     0.137    353.2
1997.0     0.135    355.1
1998.0     0.134    357.0
1999.0     0.133    359.0
2000.0     0.132      1.0
2001.0     0.132      3.1
2002.0     0.131      5.1
2003.0     0.131      7.2
2004.0     0.130      9.2
2005.0     0.130     11.3
2006.0     0.130     13.4
2007.0     0.130     15.5
2008.0     0.131     17.6
2009.0     0.131     19.6
2010.0     0.132     21.7
2011.0     0.132     23.7
2012.0     0.133     25.7
2013.0     0.134     27.7
2014.0     0.135     29.6
2015.0     0.136     31.5
2016.0     0.138     33.4
2017.0     0.139     35.3
2018.0     0.141     37.1
2019.0     0.142     38.8
2020.0     0.144     40.6
2021.0     0.146     42.2
2022.0     0.147     43.9
2023.0     0.149     45.5
2024.0     0.151     47.1
2025.0     0.153     48.6
2026.0     0.155     50.1
2027.0     0.157     51.5
2028.0     0.160     52.9
2029.0     0.162     54.3
2030.0     0.164     55.6
2031.0     0.166     56.9
2032.0     0.168     58.2
2033.0     0.170     59.4
2034.0     0.172     60.6
2035.0     0.175     61.8
2036.0     0.177     62.9
2037.0     0.179     64.0
2038.0     0.181     65.1
2039.0     0.183     66.2
2040.0     0.185     67.2
2041.0     0.186     68.2
2042.0     0.188     69.3
2043.0     0.190     70.2
2044.0     0.191     71.2
2045.0     0.193     72.2
2046.0     0.194     73.1
2047.0     0.195     74.0
2048.0     0.196     75.0
2049.0     0.197     75.9
2050.0     0.198     76.8
2051.0     0.199     77.7
2052.0     0.199     78.6
2053.0     0.199     79.5
2054.0     0.199     80.3
2055.0     0.199     81.2
2056.0     0.199     82.1
2057.0     0.198     83.0
2058.0     0.197     83.9
2059.0     0.196     84.8
2060.0     0.195     85.8
2061.0     0.193     86.7
2062.0     0.191     87.7
2063.0     0.189     88.6
2064.0     0.187     89.6
2065.0     0.184     90.7
2066.0     0.182     91.7
2067.0     0.179     92.8
2068.0     0.175     93.9
2069.0     0.172     95.1
2070.0     0.168     96.3
2071.0     0.164     97.6
2072.0     0.160     98.9
2073.0     0.156    100.4
2074.0     0.151    101.9
2075.0     0.146    103.4
2076.0     0.142    105.1
2077.0     0.137    107.0
2078.0     0.132    108.9
2079.0     0.127    111.0
2080.0     0.122    113.3
2081.0     0.117    115.7
2082.0     0.112    118.4
2083.0     0.108    121.3
2084.0     0.103    124.5
2085.0     0.099    128.0
2086.0     0.095    131.7
2087.0     0.091    135.8
2088.0     0.088    140.2
2089.0     0.085    145.0
2090.0     0.083    150.0
2091.0     0.081    155.3
2092.0     0.080    160.8
2093.0     0.079    166.4
2094.0     0.079    172.0
2095.0     0.080    177.5
2096.0     0.082    182.9
2097.0     0.084    188.0
2098.0     0.087    192.8
2099.0     0.090    197.3
2100.0     0.094    201.4
2101.0     0.098    205.3
2102.0     0.103    208.7
2103.0     0.108    211.9
2104.0     0.113    214.9
2105.0     0.118    217.5
2106.0     0.123    219.9
2107.0     0.129    222.2
2108.0     0.134    224.2
2109.0     0.140    226.1
2110.0     0.146    227.8
2111.0     0.152    229.4
2112.0     0.158    230.9
2113.0     0.164    232.2
2114.0     0.170    233.5
2115.0     0.175    234.7
2116.0     0.181    235.8
2117.0     0.187    236.8
2118.0     0.193    237.8
2119.0     0.199    238.7
2120.0     0.205    239.6
2121.0     0.211    240.4
2122.0     0.217    241.2
2123.0     0.223    241.9
2124.0     0.229    242.6
2125.0     0.235    243.3
2126.0     0.240    243.9
2127.0     0.246    244.5
2128.0     0.252    245.0
2129.0     0.258    245.6
2130.0     0.263    246.1
2131.0     0.269    246.6
2132.0     0.274    247.1
2133.0     0.280    247.5
2134.0     0.285    248.0
2135.0     0.291    248.4
2136.0     0.296    248.8
2137.0     0.301    249.2
2138.0     0.307    249.6
2139.0     0.312    250.0
2140.0     0.317    250.3
2141.0     0.322    250.7
2142.0     0.327    251.0
2143.0     0.332    251.3
2144.0     0.337    251.6
2145.0     0.342    252.0
2146.0     0.347    252.2
2147.0     0.352    252.5
2148.0     0.357    252.8
2149.0     0.362    253.1
2150.0     0.367    253.4
2151.0     0.371    253.6
2152.0     0.376    253.9
2153.0     0.381    254.1
2154.0     0.385    254.4
2155.0     0.390    254.6
2156.0     0.394    254.8
2157.0     0.399    255.0
2158.0     0.403    255.3
2159.0     0.408    255.5
2160.0     0.412    255.7
2161.0     0.416    255.9
2162.0     0.421    256.1
2163.0     0.425    256.3
2164.0     0.429    256.5
2165.0     0.433    256.7
2166.0     0.437    256.9
2167.0     0.441    257.0
2168.0     0.445    257.2
2169.0     0.449    257.4
2170.0     0.453    257.6
2171.0     0.457    257.7
2172.0     0.461    257.9
2173.0     0.465    258.1
2174.0     0.469    258.2
2175.0     0.472    258.4
2176.0     0.476    258.6
2177.0     0.480    258.7
2178.0     0.483    258.9
2179.0     0.487    259.0
2180.0     0.490    259.2
2181.0     0.494    259.3
2182.0     0.497    259.4
2183.0     0.501    259.6
2184.0     0.504    259.7
2185.0     0.508    259.9
2186.0     0.511    260.0
2187.0     0.514    260.1
2188.0     0.518    260.3
2189.0     0.521    260.4
2190.0     0.524    260.5
2191.0     0.527    260.7
2192.0     0.530    260.8
2193.0     0.534    260.9
2194.0     0.537    261.0
2195.0     0.540    261.1
2196.0     0.543    261.3
2197.0     0.546    261.4
2198.0     0.549    261.5
2199.0     0.552    261.6
2200.0     0.554    261.7
2201.0     0.557    261.9
2202.0     0.560    262.0
2203.0     0.563    262.1
2204.0     0.566    262.2
2205.0     0.568    262.3
2206.0     0.571    262.4
2207.0     0.574    262.5
2208.0     0.576    262.6
2209.0     0.579    262.7
2210.0     0.581    262.8
2211.0     0.584    262.9
2212.0     0.587    263.0
2213.0     0.589    263.1
2214.0     0.591    263.2
2215.0     0.594    263.3
2216.0     0.596    263.4
2217.0     0.599    263.5
2218.0     0.601    263.6
2219.0     0.603    263.7
2220.0     0.606    263.8
2221.0     0.608    263.9
2222.0     0.610    264.0
2223.0     0.612    264.1
2224.0     0.614    264.2
2225.0     0.617    264.3
2226.0     0.619    264.4
2227.0     0.621    264.5
2228.0     0.623    264.6
2229.0     0.625    264.7
2230.0     0.627    264.8
2231.0     0.629    264.8
2232.0     0.631    264.9
2233.0     0.633    265.0
2234.0     0.635    265.1
2235.0     0.636    265.2
2236.0     0.638    265.3
2237.0     0.640    265.4
2238.0     0.642    265.5
2239.0     0.644    265.5
2240.0     0.645    265.6
2241.0     0.647    265.7
2242.0     0.649    265.8
2243.0     0.650    265.9
2244.0     0.652    266.0
2245.0     0.654    266.0
2246.0     0.655    266.1
2247.0     0.657    266.2
2248.0     0.658    266.3
2249.0     0.660    266.4
2250.0     0.661    266.5
2251.0     0.663    266.5
2252.0     0.664    266.6
2253.0     0.666    266.7
2254.0     0.667    266.8
2255.0     0.668    266.9
2256.0     0.670    266.9
2257.0     0.671    267.0
2258.0     0.672    267.1
2259.0     0.674    267.2
2260.0     0.675    267.2
2261.0     0.676    267.3
2262.0     0.677    267.4
2263.0     0.678    267.5
2264.0     0.680    267.6
2265.0     0.681    267.6
2266.0     0.682    267.7
2267.0     0.683    267.8
2268.0     0.684    267.9
2269.0     0.685    267.9
2270.0     0.686    268.0
2271.0     0.687    268.1
2272.0     0.688    268.2
2273.0     0.689    268.2
2274.0     0.690    268.3
2275.0     0.691    268.4
2276.0     0.692    268.5
2277.0     0.693    268.5
2278.0     0.693    268.6
2279.0     0.694    268.7
2280.0     0.695    268.7
2281.0     0.696    268.8
2282.0     0.697    268.9
2283.0     0.697    269.0
2284.0     0.698    269.0
2285.0     0.699    269.1
2286.0     0.699    269.2
2287.0     0.700    269.3
2288.0     0.701    269.3
2289.0     0.701    269.4
2290.0     0.702    269.5
2291.0     0.702    269.5
2292.0     0.703    269.6
2293.0     0.704    269.7
2294.0     0.704    269.8
2295.0     0.705    269.8
2296.0     0.705    269.9
2297.0     0.705    270.0
2298.0     0.706    270.0
2299.0     0.706    270.1
2300.0     0.707    270.2
2301.0     0.707    270.3
2302.0     0.707    270.3
2303.0     0.708    270.4
2304.0     0.708    270.5
2305.0     0.708    270.5
2306.0     0.708    270.6
2307.0     0.709    270.7
2308.0     0.709    270.7
2309.0     0.709    270.8
2310.0     0.709    270.9
2311.0     0.709    271.0
2312.0     0.710    271.0
2313.0     0.710    271.1
2314.0     0.710    271.2
2315.0     0.710    271.2
2316.0     0.710    271.3
2317.0     0.710    271.4
2318.0     0.710    271.4
2319.0     0.710    271.5
2320.0     0.710    271.6
2321.0     0.710    271.7
2322.0     0.710    271.7
2323.0     0.710    271.8
2324.0     0.710    271.9






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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