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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:36:47

Orbital Elements for HU985
WDS: HU985 WDS ID/Discoverer
P: 495.000 Orbital period (years)
a: 0.87 Semi-major axis (arcseconds)
i: 124.1 Inclination (degrees)
Ω: 117.2 Longitude of ascending node (degrees)
T: 2080.000 Epoch of periastron passage (year)
e: 0.416 Eccentricity
ω: 62.0 Longitude of periastron (degrees)
Start-Year: 1778.0 Year
End-Year: 2272.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU985
Position: 224754.00+125836.2 Epoch-2000 right ascension and declination
WDS-ID: 22479+1259 WDS designation
Discoverer Code: HU985 Discover designation and components
ADS number: 16273 Aitken Double Star catalog
HD number: 215839 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.60 Magnitude of the primary
V2: 9.88 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1995 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HU985



WDS 6th Orbit including measures of HU985

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


Ephemeris of HU985
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.657    130.5
-------------------------
1778.0     0.976    269.1
1779.0     0.974    268.8
1780.0     0.972    268.5
1781.0     0.970    268.2
1782.0     0.969    267.9
1783.0     0.967    267.6
1784.0     0.965    267.3
1785.0     0.963    267.0
1786.0     0.961    266.7
1787.0     0.959    266.4
1788.0     0.957    266.1
1789.0     0.954    265.8
1790.0     0.952    265.5
1791.0     0.950    265.2
1792.0     0.948    264.9
1793.0     0.946    264.6
1794.0     0.943    264.2
1795.0     0.941    263.9
1796.0     0.939    263.6
1797.0     0.937    263.3
1798.0     0.934    263.0
1799.0     0.932    262.6
1800.0     0.929    262.3
1801.0     0.927    262.0
1802.0     0.925    261.7
1803.0     0.922    261.3
1804.0     0.920    261.0
1805.0     0.917    260.7
1806.0     0.914    260.3
1807.0     0.912    260.0
1808.0     0.909    259.7
1809.0     0.907    259.3
1810.0     0.904    259.0
1811.0     0.901    258.6
1812.0     0.899    258.3
1813.0     0.896    257.9
1814.0     0.893    257.6
1815.0     0.891    257.2
1816.0     0.888    256.9
1817.0     0.885    256.5
1818.0     0.882    256.2
1819.0     0.879    255.8
1820.0     0.877    255.4
1821.0     0.874    255.1
1822.0     0.871    254.7
1823.0     0.868    254.3
1824.0     0.865    254.0
1825.0     0.862    253.6
1826.0     0.859    253.2
1827.0     0.857    252.8
1828.0     0.854    252.4
1829.0     0.851    252.1
1830.0     0.848    251.7
1831.0     0.845    251.3
1832.0     0.842    250.9
1833.0     0.839    250.5
1834.0     0.836    250.1
1835.0     0.833    249.7
1836.0     0.830    249.3
1837.0     0.827    248.9
1838.0     0.824    248.5
1839.0     0.821    248.0
1840.0     0.818    247.6
1841.0     0.815    247.2
1842.0     0.812    246.8
1843.0     0.809    246.4
1844.0     0.806    245.9
1845.0     0.803    245.5
1846.0     0.800    245.0
1847.0     0.797    244.6
1848.0     0.794    244.2
1849.0     0.791    243.7
1850.0     0.788    243.3
1851.0     0.785    242.8
1852.0     0.782    242.4
1853.0     0.779    241.9
1854.0     0.776    241.4
1855.0     0.773    241.0
1856.0     0.770    240.5
1857.0     0.767    240.0
1858.0     0.764    239.5
1859.0     0.762    239.1
1860.0     0.759    238.6
1861.0     0.756    238.1
1862.0     0.753    237.6
1863.0     0.750    237.1
1864.0     0.747    236.6
1865.0     0.744    236.1
1866.0     0.741    235.6
1867.0     0.739    235.1
1868.0     0.736    234.6
1869.0     0.733    234.0
1870.0     0.730    233.5
1871.0     0.727    233.0
1872.0     0.725    232.4
1873.0     0.722    231.9
1874.0     0.719    231.4
1875.0     0.717    230.8
1876.0     0.714    230.3
1877.0     0.711    229.7
1878.0     0.709    229.2
1879.0     0.706    228.6
1880.0     0.703    228.0
1881.0     0.701    227.5
1882.0     0.698    226.9
1883.0     0.696    226.3
1884.0     0.693    225.7
1885.0     0.691    225.2
1886.0     0.689    224.6
1887.0     0.686    224.0
1888.0     0.684    223.4
1889.0     0.682    222.8
1890.0     0.679    222.2
1891.0     0.677    221.6
1892.0     0.675    220.9
1893.0     0.673    220.3
1894.0     0.671    219.7
1895.0     0.668    219.1
1896.0     0.666    218.4
1897.0     0.664    217.8
1898.0     0.662    217.2
1899.0     0.660    216.5
1900.0     0.658    215.9
1901.0     0.657    215.2
1902.0     0.655    214.6
1903.0     0.653    213.9
1904.0     0.651    213.3
1905.0     0.650    212.6
1906.0     0.648    211.9
1907.0     0.646    211.3
1908.0     0.645    210.6
1909.0     0.643    209.9
1910.0     0.642    209.2
1911.0     0.640    208.6
1912.0     0.639    207.9
1913.0     0.637    207.2
1914.0     0.636    206.5
1915.0     0.635    205.8
1916.0     0.634    205.1
1917.0     0.633    204.4
1918.0     0.631    203.7
1919.0     0.630    203.0
1920.0     0.629    202.3
1921.0     0.628    201.6
1922.0     0.627    200.9
1923.0     0.627    200.1
1924.0     0.626    199.4
1925.0     0.625    198.7
1926.0     0.624    198.0
1927.0     0.624    197.3
1928.0     0.623    196.5
1929.0     0.622    195.8
1930.0     0.622    195.1
1931.0     0.621    194.4
1932.0     0.621    193.6
1933.0     0.621    192.9
1934.0     0.620    192.2
1935.0     0.620    191.5
1936.0     0.620    190.7
1937.0     0.620    190.0
1938.0     0.619    189.3
1939.0     0.619    188.5
1940.0     0.619    187.8
1941.0     0.619    187.1
1942.0     0.619    186.3
1943.0     0.619    185.6
1944.0     0.620    184.9
1945.0     0.620    184.1
1946.0     0.620    183.4
1947.0     0.620    182.7
1948.0     0.621    181.9
1949.0     0.621    181.2
1950.0     0.621    180.5
1951.0     0.622    179.8
1952.0     0.622    179.0
1953.0     0.623    178.3
1954.0     0.623    177.6
1955.0     0.624    176.9
1956.0     0.624    176.2
1957.0     0.625    175.4
1958.0     0.626    174.7
1959.0     0.626    174.0
1960.0     0.627    173.3
1961.0     0.628    172.6
1962.0     0.629    171.9
1963.0     0.630    171.2
1964.0     0.630    170.4
1965.0     0.631    169.7
1966.0     0.632    169.0
1967.0     0.633    168.3
1968.0     0.634    167.6
1969.0     0.635    166.9
1970.0     0.636    166.2
1971.0     0.637    165.5
1972.0     0.638    164.9
1973.0     0.639    164.2
1974.0     0.640    163.5
1975.0     0.641    162.8
1976.0     0.642    162.1
1977.0     0.643    161.4
1978.0     0.644    160.8
1979.0     0.645    160.1
1980.0     0.646    159.4
1981.0     0.647    158.7
1982.0     0.648    158.1
1983.0     0.649    157.4
1984.0     0.650    156.7
1985.0     0.651    156.1
1986.0     0.652    155.4
1987.0     0.653    154.8
1988.0     0.654    154.1
1989.0     0.655    153.4
1990.0     0.656    152.8
1991.0     0.657    152.1
1992.0     0.658    151.5
1993.0     0.659    150.9
1994.0     0.660    150.2
1995.0     0.661    149.6
1996.0     0.661    148.9
1997.0     0.662    148.3
1998.0     0.663    147.6
1999.0     0.663    147.0
2000.0     0.664    146.4
2001.0     0.665    145.7
2002.0     0.665    145.1
2003.0     0.666    144.5
2004.0     0.666    143.8
2005.0     0.666    143.2
2006.0     0.667    142.6
2007.0     0.667    141.9
2008.0     0.667    141.3
2009.0     0.667    140.7
2010.0     0.667    140.0
2011.0     0.667    139.4
2012.0     0.667    138.8
2013.0     0.667    138.1
2014.0     0.666    137.5
2015.0     0.666    136.9
2016.0     0.666    136.2
2017.0     0.665    135.6
2018.0     0.664    135.0
2019.0     0.664    134.3
2020.0     0.663    133.7
2021.0     0.662    133.1
2022.0     0.661    132.4
2023.0     0.659    131.8
2024.0     0.658    131.1
2025.0     0.657    130.5
2026.0     0.655    129.8
2027.0     0.653    129.2
2028.0     0.652    128.5
2029.0     0.650    127.9
2030.0     0.648    127.2
2031.0     0.645    126.5
2032.0     0.643    125.8
2033.0     0.640    125.2
2034.0     0.638    124.5
2035.0     0.635    123.8
2036.0     0.632    123.1
2037.0     0.629    122.4
2038.0     0.625    121.7
2039.0     0.622    120.9
2040.0     0.618    120.2
2041.0     0.614    119.5
2042.0     0.610    118.7
2043.0     0.606    118.0
2044.0     0.602    117.2
2045.0     0.597    116.4
2046.0     0.593    115.6
2047.0     0.588    114.8
2048.0     0.583    114.0
2049.0     0.577    113.2
2050.0     0.572    112.3
2051.0     0.566    111.4
2052.0     0.560    110.6
2053.0     0.554    109.7
2054.0     0.548    108.7
2055.0     0.541    107.8
2056.0     0.535    106.8
2057.0     0.528    105.8
2058.0     0.521    104.8
2059.0     0.514    103.8
2060.0     0.507    102.7
2061.0     0.499    101.6
2062.0     0.492    100.4
2063.0     0.484     99.2
2064.0     0.476     98.0
2065.0     0.468     96.8
2066.0     0.460     95.5
2067.0     0.452     94.1
2068.0     0.444     92.7
2069.0     0.435     91.3
2070.0     0.427     89.7
2071.0     0.419     88.2
2072.0     0.410     86.5
2073.0     0.402     84.8
2074.0     0.394     83.1
2075.0     0.385     81.2
2076.0     0.377     79.3
2077.0     0.369     77.3
2078.0     0.361     75.2
2079.0     0.354     73.0
2080.0     0.347     70.7
2081.0     0.340     68.3
2082.0     0.333     65.8
2083.0     0.327     63.2
2084.0     0.321     60.6
2085.0     0.315     57.8
2086.0     0.311     54.9
2087.0     0.306     52.0
2088.0     0.302     48.9
2089.0     0.299     45.8
2090.0     0.297     42.7
2091.0     0.295     39.5
2092.0     0.294     36.2
2093.0     0.294     33.0
2094.0     0.294     29.7
2095.0     0.295     26.5
2096.0     0.297     23.3
2097.0     0.300     20.2
2098.0     0.303     17.1
2099.0     0.307     14.0
2100.0     0.311     11.1
2101.0     0.316      8.2
2102.0     0.322      5.5
2103.0     0.328      2.8
2104.0     0.335      0.3
2105.0     0.342    357.8
2106.0     0.349    355.5
2107.0     0.357    353.2
2108.0     0.365    351.1
2109.0     0.373    349.0
2110.0     0.382    347.0
2111.0     0.391    345.2
2112.0     0.400    343.4
2113.0     0.409    341.7
2114.0     0.419    340.0
2115.0     0.428    338.4
2116.0     0.438    336.9
2117.0     0.447    335.5
2118.0     0.457    334.1
2119.0     0.467    332.8
2120.0     0.476    331.6
2121.0     0.486    330.3
2122.0     0.496    329.2
2123.0     0.506    328.1
2124.0     0.515    327.0
2125.0     0.525    326.0
2126.0     0.535    325.0
2127.0     0.544    324.0
2128.0     0.554    323.1
2129.0     0.563    322.2
2130.0     0.573    321.3
2131.0     0.582    320.4
2132.0     0.591    319.6
2133.0     0.600    318.8
2134.0     0.609    318.1
2135.0     0.618    317.3
2136.0     0.627    316.6
2137.0     0.636    315.9
2138.0     0.645    315.2
2139.0     0.653    314.5
2140.0     0.662    313.9
2141.0     0.670    313.3
2142.0     0.678    312.6
2143.0     0.686    312.0
2144.0     0.694    311.5
2145.0     0.702    310.9
2146.0     0.710    310.3
2147.0     0.718    309.8
2148.0     0.725    309.2
2149.0     0.733    308.7
2150.0     0.740    308.2
2151.0     0.748    307.7
2152.0     0.755    307.2
2153.0     0.762    306.7
2154.0     0.769    306.2
2155.0     0.775    305.7
2156.0     0.782    305.3
2157.0     0.789    304.8
2158.0     0.795    304.4
2159.0     0.801    303.9
2160.0     0.808    303.5
2161.0     0.814    303.1
2162.0     0.820    302.6
2163.0     0.826    302.2
2164.0     0.832    301.8
2165.0     0.837    301.4
2166.0     0.843    301.0
2167.0     0.848    300.6
2168.0     0.854    300.2
2169.0     0.859    299.9
2170.0     0.864    299.5
2171.0     0.869    299.1
2172.0     0.874    298.7
2173.0     0.879    298.4
2174.0     0.884    298.0
2175.0     0.888    297.7
2176.0     0.893    297.3
2177.0     0.897    297.0
2178.0     0.902    296.6
2179.0     0.906    296.3
2180.0     0.910    295.9
2181.0     0.914    295.6
2182.0     0.918    295.2
2183.0     0.922    294.9
2184.0     0.926    294.6
2185.0     0.929    294.3
2186.0     0.933    293.9
2187.0     0.936    293.6
2188.0     0.940    293.3
2189.0     0.943    293.0
2190.0     0.946    292.7
2191.0     0.949    292.4
2192.0     0.952    292.0
2193.0     0.955    291.7
2194.0     0.958    291.4
2195.0     0.961    291.1
2196.0     0.964    290.8
2197.0     0.966    290.5
2198.0     0.969    290.2
2199.0     0.971    289.9
2200.0     0.974    289.6
2201.0     0.976    289.3
2202.0     0.978    289.0
2203.0     0.980    288.7
2204.0     0.983    288.5
2205.0     0.985    288.2
2206.0     0.986    287.9
2207.0     0.988    287.6
2208.0     0.990    287.3
2209.0     0.992    287.0
2210.0     0.993    286.7
2211.0     0.995    286.4
2212.0     0.996    286.2
2213.0     0.998    285.9
2214.0     0.999    285.6
2215.0     1.000    285.3
2216.0     1.002    285.0
2217.0     1.003    284.8
2218.0     1.004    284.5
2219.0     1.005    284.2
2220.0     1.006    283.9
2221.0     1.006    283.6
2222.0     1.007    283.4
2223.0     1.008    283.1
2224.0     1.009    282.8
2225.0     1.009    282.5
2226.0     1.010    282.3
2227.0     1.010    282.0
2228.0     1.011    281.7
2229.0     1.011    281.4
2230.0     1.011    281.2
2231.0     1.012    280.9
2232.0     1.012    280.6
2233.0     1.012    280.3
2234.0     1.012    280.1
2235.0     1.012    279.8
2236.0     1.012    279.5
2237.0     1.012    279.2
2238.0     1.012    279.0
2239.0     1.011    278.7
2240.0     1.011    278.4
2241.0     1.011    278.1
2242.0     1.011    277.9
2243.0     1.010    277.6
2244.0     1.010    277.3
2245.0     1.009    277.0
2246.0     1.009    276.8
2247.0     1.008    276.5
2248.0     1.007    276.2
2249.0     1.006    275.9
2250.0     1.006    275.7
2251.0     1.005    275.4
2252.0     1.004    275.1
2253.0     1.003    274.8
2254.0     1.002    274.6
2255.0     1.001    274.3
2256.0     1.000    274.0
2257.0     0.999    273.7
2258.0     0.998    273.4
2259.0     0.997    273.1
2260.0     0.995    272.9
2261.0     0.994    272.6
2262.0     0.993    272.3
2263.0     0.992    272.0
2264.0     0.990    271.7
2265.0     0.989    271.4
2266.0     0.987    271.2
2267.0     0.986    270.9
2268.0     0.984    270.6
2269.0     0.983    270.3
2270.0     0.981    270.0
2271.0     0.979    269.7






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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