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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:16:08

Orbital Elements for HO208
WDS: HO208 WDS ID/Discoverer
P: 649.641 Orbital period (years)
a: 2.20987 Semi-major axis (arcseconds)
i: 103.903 Inclination (degrees)
Ω: 175.491 Longitude of ascending node (degrees)
T: 2054.937 Epoch of periastron passage (year)
e: 0.77651 Eccentricity
ω: 76.124 Longitude of periastron (degrees)
Start-Year: 1701.0 Year
End-Year: 2349.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HO208
Position: 000129.19+304408.7 Epoch-2000 right ascension and declination
WDS-ID: 00015+3044 WDS designation
Discoverer Code: HO208 Discover designation and components
ADS number: 17167 Aitken Double Star catalog
HD number: 224882 HD catalog number
Hipparcos number: 114 Hipparcos catalog number
V1: 8.20 Magnitude of the primary
V2: 9.81 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HO208



WDS 6th Orbit including measures of HO208

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


Ephemeris of HO208
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.985    183.7
-------------------------
1701.0     1.457    317.5
1702.0     1.452    317.3
1703.0     1.447    317.1
1704.0     1.443    316.9
1705.0     1.438    316.7
1706.0     1.433    316.5
1707.0     1.428    316.3
1708.0     1.423    316.1
1709.0     1.418    315.9
1710.0     1.413    315.7
1711.0     1.408    315.5
1712.0     1.403    315.3
1713.0     1.398    315.1
1714.0     1.393    314.9
1715.0     1.388    314.7
1716.0     1.384    314.5
1717.0     1.379    314.3
1718.0     1.374    314.0
1719.0     1.369    313.8
1720.0     1.364    313.6
1721.0     1.359    313.4
1722.0     1.354    313.2
1723.0     1.349    312.9
1724.0     1.344    312.7
1725.0     1.339    312.5
1726.0     1.334    312.2
1727.0     1.329    312.0
1728.0     1.324    311.8
1729.0     1.319    311.5
1730.0     1.314    311.3
1731.0     1.309    311.1
1732.0     1.304    310.8
1733.0     1.299    310.6
1734.0     1.294    310.3
1735.0     1.289    310.1
1736.0     1.284    309.9
1737.0     1.279    309.6
1738.0     1.274    309.4
1739.0     1.269    309.1
1740.0     1.264    308.8
1741.0     1.259    308.6
1742.0     1.254    308.3
1743.0     1.250    308.1
1744.0     1.245    307.8
1745.0     1.240    307.5
1746.0     1.235    307.3
1747.0     1.230    307.0
1748.0     1.225    306.7
1749.0     1.220    306.5
1750.0     1.215    306.2
1751.0     1.210    305.9
1752.0     1.205    305.6
1753.0     1.201    305.3
1754.0     1.196    305.1
1755.0     1.191    304.8
1756.0     1.186    304.5
1757.0     1.181    304.2
1758.0     1.176    303.9
1759.0     1.172    303.6
1760.0     1.167    303.3
1761.0     1.162    303.0
1762.0     1.157    302.7
1763.0     1.152    302.4
1764.0     1.148    302.1
1765.0     1.143    301.8
1766.0     1.138    301.4
1767.0     1.134    301.1
1768.0     1.129    300.8
1769.0     1.124    300.5
1770.0     1.120    300.2
1771.0     1.115    299.8
1772.0     1.110    299.5
1773.0     1.106    299.2
1774.0     1.101    298.8
1775.0     1.097    298.5
1776.0     1.092    298.1
1777.0     1.088    297.8
1778.0     1.083    297.4
1779.0     1.079    297.1
1780.0     1.074    296.7
1781.0     1.070    296.4
1782.0     1.065    296.0
1783.0     1.061    295.7
1784.0     1.057    295.3
1785.0     1.052    294.9
1786.0     1.048    294.6
1787.0     1.044    294.2
1788.0     1.039    293.8
1789.0     1.035    293.4
1790.0     1.031    293.0
1791.0     1.027    292.7
1792.0     1.023    292.3
1793.0     1.019    291.9
1794.0     1.014    291.5
1795.0     1.010    291.1
1796.0     1.006    290.7
1797.0     1.002    290.3
1798.0     0.998    289.9
1799.0     0.995    289.4
1800.0     0.991    289.0
1801.0     0.987    288.6
1802.0     0.983    288.2
1803.0     0.979    287.8
1804.0     0.975    287.3
1805.0     0.972    286.9
1806.0     0.968    286.5
1807.0     0.964    286.0
1808.0     0.961    285.6
1809.0     0.957    285.1
1810.0     0.954    284.7
1811.0     0.950    284.2
1812.0     0.947    283.8
1813.0     0.943    283.3
1814.0     0.940    282.9
1815.0     0.937    282.4
1816.0     0.934    281.9
1817.0     0.930    281.5
1818.0     0.927    281.0
1819.0     0.924    280.5
1820.0     0.921    280.0
1821.0     0.918    279.5
1822.0     0.915    279.0
1823.0     0.912    278.6
1824.0     0.909    278.1
1825.0     0.906    277.6
1826.0     0.903    277.1
1827.0     0.901    276.6
1828.0     0.898    276.1
1829.0     0.895    275.5
1830.0     0.893    275.0
1831.0     0.890    274.5
1832.0     0.888    274.0
1833.0     0.885    273.5
1834.0     0.883    273.0
1835.0     0.881    272.4
1836.0     0.878    271.9
1837.0     0.876    271.4
1838.0     0.874    270.8
1839.0     0.872    270.3
1840.0     0.870    269.8
1841.0     0.868    269.2
1842.0     0.866    268.7
1843.0     0.864    268.1
1844.0     0.863    267.6
1845.0     0.861    267.0
1846.0     0.859    266.5
1847.0     0.858    265.9
1848.0     0.856    265.3
1849.0     0.855    264.8
1850.0     0.853    264.2
1851.0     0.852    263.7
1852.0     0.851    263.1
1853.0     0.849    262.5
1854.0     0.848    262.0
1855.0     0.847    261.4
1856.0     0.846    260.8
1857.0     0.845    260.2
1858.0     0.844    259.7
1859.0     0.843    259.1
1860.0     0.843    258.5
1861.0     0.842    257.9
1862.0     0.841    257.4
1863.0     0.841    256.8
1864.0     0.840    256.2
1865.0     0.840    255.6
1866.0     0.839    255.0
1867.0     0.839    254.5
1868.0     0.839    253.9
1869.0     0.839    253.3
1870.0     0.839    252.7
1871.0     0.839    252.1
1872.0     0.839    251.5
1873.0     0.839    251.0
1874.0     0.839    250.4
1875.0     0.839    249.8
1876.0     0.839    249.2
1877.0     0.840    248.6
1878.0     0.840    248.1
1879.0     0.841    247.5
1880.0     0.841    246.9
1881.0     0.842    246.3
1882.0     0.842    245.7
1883.0     0.843    245.2
1884.0     0.844    244.6
1885.0     0.845    244.0
1886.0     0.846    243.4
1887.0     0.847    242.9
1888.0     0.848    242.3
1889.0     0.849    241.7
1890.0     0.850    241.2
1891.0     0.851    240.6
1892.0     0.852    240.0
1893.0     0.854    239.5
1894.0     0.855    238.9
1895.0     0.856    238.3
1896.0     0.858    237.8
1897.0     0.859    237.2
1898.0     0.861    236.7
1899.0     0.863    236.1
1900.0     0.864    235.6
1901.0     0.866    235.0
1902.0     0.868    234.5
1903.0     0.870    233.9
1904.0     0.872    233.4
1905.0     0.874    232.9
1906.0     0.876    232.3
1907.0     0.878    231.8
1908.0     0.880    231.3
1909.0     0.882    230.7
1910.0     0.884    230.2
1911.0     0.886    229.7
1912.0     0.888    229.2
1913.0     0.891    228.6
1914.0     0.893    228.1
1915.0     0.895    227.6
1916.0     0.898    227.1
1917.0     0.900    226.6
1918.0     0.903    226.1
1919.0     0.905    225.6
1920.0     0.908    225.1
1921.0     0.910    224.6
1922.0     0.913    224.1
1923.0     0.916    223.6
1924.0     0.918    223.1
1925.0     0.921    222.6
1926.0     0.924    222.2
1927.0     0.927    221.7
1928.0     0.929    221.2
1929.0     0.932    220.7
1930.0     0.935    220.3
1931.0     0.938    219.8
1932.0     0.941    219.3
1933.0     0.943    218.9
1934.0     0.946    218.4
1935.0     0.949    218.0
1936.0     0.952    217.5
1937.0     0.955    217.1
1938.0     0.958    216.6
1939.0     0.961    216.2
1940.0     0.964    215.7
1941.0     0.967    215.3
1942.0     0.970    214.8
1943.0     0.973    214.4
1944.0     0.976    214.0
1945.0     0.979    213.5
1946.0     0.982    213.1
1947.0     0.985    212.7
1948.0     0.988    212.3
1949.0     0.991    211.9
1950.0     0.994    211.4
1951.0     0.997    211.0
1952.0     1.000    210.6
1953.0     1.003    210.2
1954.0     1.006    209.8
1955.0     1.009    209.4
1956.0     1.011    209.0
1957.0     1.014    208.6
1958.0     1.017    208.2
1959.0     1.020    207.8
1960.0     1.023    207.4
1961.0     1.026    207.0
1962.0     1.028    206.6
1963.0     1.031    206.2
1964.0     1.034    205.9
1965.0     1.037    205.5
1966.0     1.039    205.1
1967.0     1.042    204.7
1968.0     1.044    204.3
1969.0     1.047    204.0
1970.0     1.049    203.6
1971.0     1.052    203.2
1972.0     1.054    202.9
1973.0     1.056    202.5
1974.0     1.059    202.1
1975.0     1.061    201.8
1976.0     1.063    201.4
1977.0     1.065    201.0
1978.0     1.067    200.7
1979.0     1.069    200.3
1980.0     1.071    200.0
1981.0     1.073    199.6
1982.0     1.074    199.2
1983.0     1.076    198.9
1984.0     1.077    198.5
1985.0     1.079    198.2
1986.0     1.080    197.8
1987.0     1.081    197.5
1988.0     1.083    197.1
1989.0     1.084    196.8
1990.0     1.085    196.4
1991.0     1.085    196.1
1992.0     1.086    195.7
1993.0     1.087    195.4
1994.0     1.087    195.0
1995.0     1.087    194.7
1996.0     1.087    194.4
1997.0     1.087    194.0
1998.0     1.087    193.7
1999.0     1.087    193.3
2000.0     1.086    193.0
2001.0     1.086    192.6
2002.0     1.085    192.3
2003.0     1.084    191.9
2004.0     1.082    191.6
2005.0     1.081    191.2
2006.0     1.079    190.9
2007.0     1.077    190.5
2008.0     1.075    190.2
2009.0     1.072    189.8
2010.0     1.070    189.5
2011.0     1.067    189.1
2012.0     1.063    188.7
2013.0     1.060    188.4
2014.0     1.056    188.0
2015.0     1.051    187.6
2016.0     1.047    187.3
2017.0     1.042    186.9
2018.0     1.036    186.5
2019.0     1.030    186.1
2020.0     1.024    185.7
2021.0     1.017    185.3
2022.0     1.010    184.9
2023.0     1.002    184.5
2024.0     0.994    184.1
2025.0     0.985    183.7
2026.0     0.976    183.3
2027.0     0.965    182.8
2028.0     0.954    182.4
2029.0     0.943    181.9
2030.0     0.930    181.5
2031.0     0.917    181.0
2032.0     0.903    180.5
2033.0     0.888    180.0
2034.0     0.871    179.5
2035.0     0.854    178.9
2036.0     0.836    178.3
2037.0     0.816    177.7
2038.0     0.795    177.1
2039.0     0.772    176.4
2040.0     0.748    175.7
2041.0     0.722    175.0
2042.0     0.694    174.2
2043.0     0.665    173.3
2044.0     0.633    172.3
2045.0     0.599    171.2
2046.0     0.563    170.0
2047.0     0.525    168.6
2048.0     0.484    167.0
2049.0     0.441    165.1
2050.0     0.396    162.7
2051.0     0.350    159.8
2052.0     0.301    155.9
2053.0     0.253    150.5
2054.0     0.206    142.6
2055.0     0.163    130.3
2056.0     0.131    110.7
2057.0     0.120     83.8
2058.0     0.137     58.0
2059.0     0.172     40.3
2060.0     0.217     29.3
2061.0     0.265     22.1
2062.0     0.315     17.2
2063.0     0.364     13.7
2064.0     0.413     10.9
2065.0     0.461      8.8
2066.0     0.507      7.0
2067.0     0.552      5.6
2068.0     0.595      4.3
2069.0     0.637      3.2
2070.0     0.678      2.3
2071.0     0.717      1.4
2072.0     0.754      0.7
2073.0     0.790    360.0
2074.0     0.825    359.4
2075.0     0.859    358.8
2076.0     0.891    358.3
2077.0     0.923    357.8
2078.0     0.953    357.3
2079.0     0.982    356.9
2080.0     1.011    356.4
2081.0     1.038    356.1
2082.0     1.064    355.7
2083.0     1.090    355.3
2084.0     1.115    355.0
2085.0     1.139    354.7
2086.0     1.162    354.4
2087.0     1.185    354.1
2088.0     1.206    353.8
2089.0     1.228    353.5
2090.0     1.248    353.2
2091.0     1.268    353.0
2092.0     1.288    352.7
2093.0     1.307    352.5
2094.0     1.325    352.2
2095.0     1.343    352.0
2096.0     1.360    351.8
2097.0     1.377    351.6
2098.0     1.394    351.4
2099.0     1.410    351.1
2100.0     1.425    350.9
2101.0     1.440    350.7
2102.0     1.455    350.5
2103.0     1.469    350.4
2104.0     1.483    350.2
2105.0     1.497    350.0
2106.0     1.510    349.8
2107.0     1.523    349.6
2108.0     1.536    349.4
2109.0     1.548    349.3
2110.0     1.560    349.1
2111.0     1.572    348.9
2112.0     1.583    348.8
2113.0     1.594    348.6
2114.0     1.605    348.5
2115.0     1.616    348.3
2116.0     1.626    348.1
2117.0     1.636    348.0
2118.0     1.646    347.8
2119.0     1.655    347.7
2120.0     1.665    347.5
2121.0     1.674    347.4
2122.0     1.683    347.2
2123.0     1.691    347.1
2124.0     1.700    347.0
2125.0     1.708    346.8
2126.0     1.716    346.7
2127.0     1.724    346.5
2128.0     1.731    346.4
2129.0     1.739    346.3
2130.0     1.746    346.1
2131.0     1.753    346.0
2132.0     1.760    345.9
2133.0     1.767    345.7
2134.0     1.773    345.6
2135.0     1.780    345.5
2136.0     1.786    345.3
2137.0     1.792    345.2
2138.0     1.798    345.1
2139.0     1.803    345.0
2140.0     1.809    344.8
2141.0     1.814    344.7
2142.0     1.820    344.6
2143.0     1.825    344.5
2144.0     1.830    344.3
2145.0     1.835    344.2
2146.0     1.839    344.1
2147.0     1.844    344.0
2148.0     1.848    343.9
2149.0     1.852    343.7
2150.0     1.857    343.6
2151.0     1.861    343.5
2152.0     1.865    343.4
2153.0     1.868    343.3
2154.0     1.872    343.1
2155.0     1.876    343.0
2156.0     1.879    342.9
2157.0     1.882    342.8
2158.0     1.886    342.7
2159.0     1.889    342.6
2160.0     1.892    342.4
2161.0     1.895    342.3
2162.0     1.898    342.2
2163.0     1.900    342.1
2164.0     1.903    342.0
2165.0     1.905    341.9
2166.0     1.908    341.8
2167.0     1.910    341.7
2168.0     1.912    341.5
2169.0     1.914    341.4
2170.0     1.916    341.3
2171.0     1.918    341.2
2172.0     1.920    341.1
2173.0     1.922    341.0
2174.0     1.924    340.9
2175.0     1.925    340.8
2176.0     1.927    340.7
2177.0     1.928    340.5
2178.0     1.929    340.4
2179.0     1.931    340.3
2180.0     1.932    340.2
2181.0     1.933    340.1
2182.0     1.934    340.0
2183.0     1.935    339.9
2184.0     1.936    339.8
2185.0     1.936    339.7
2186.0     1.937    339.6
2187.0     1.938    339.4
2188.0     1.938    339.3
2189.0     1.939    339.2
2190.0     1.939    339.1
2191.0     1.939    339.0
2192.0     1.940    338.9
2193.0     1.940    338.8
2194.0     1.940    338.7
2195.0     1.940    338.6
2196.0     1.940    338.5
2197.0     1.940    338.4
2198.0     1.940    338.2
2199.0     1.940    338.1
2200.0     1.939    338.0
2201.0     1.939    337.9
2202.0     1.939    337.8
2203.0     1.938    337.7
2204.0     1.938    337.6
2205.0     1.937    337.5
2206.0     1.937    337.4
2207.0     1.936    337.3
2208.0     1.935    337.2
2209.0     1.934    337.0
2210.0     1.933    336.9
2211.0     1.933    336.8
2212.0     1.932    336.7
2213.0     1.931    336.6
2214.0     1.930    336.5
2215.0     1.928    336.4
2216.0     1.927    336.3
2217.0     1.926    336.2
2218.0     1.925    336.1
2219.0     1.923    335.9
2220.0     1.922    335.8
2221.0     1.921    335.7
2222.0     1.919    335.6
2223.0     1.918    335.5
2224.0     1.916    335.4
2225.0     1.914    335.3
2226.0     1.913    335.2
2227.0     1.911    335.1
2228.0     1.909    334.9
2229.0     1.907    334.8
2230.0     1.906    334.7
2231.0     1.904    334.6
2232.0     1.902    334.5
2233.0     1.900    334.4
2234.0     1.898    334.3
2235.0     1.896    334.2
2236.0     1.894    334.0
2237.0     1.891    333.9
2238.0     1.889    333.8
2239.0     1.887    333.7
2240.0     1.885    333.6
2241.0     1.882    333.5
2242.0     1.880    333.3
2243.0     1.878    333.2
2244.0     1.875    333.1
2245.0     1.873    333.0
2246.0     1.870    332.9
2247.0     1.868    332.8
2248.0     1.865    332.6
2249.0     1.862    332.5
2250.0     1.860    332.4
2251.0     1.857    332.3
2252.0     1.854    332.2
2253.0     1.852    332.1
2254.0     1.849    331.9
2255.0     1.846    331.8
2256.0     1.843    331.7
2257.0     1.840    331.6
2258.0     1.837    331.5
2259.0     1.834    331.3
2260.0     1.831    331.2
2261.0     1.828    331.1
2262.0     1.825    331.0
2263.0     1.822    330.8
2264.0     1.819    330.7
2265.0     1.816    330.6
2266.0     1.812    330.5
2267.0     1.809    330.3
2268.0     1.806    330.2
2269.0     1.803    330.1
2270.0     1.799    330.0
2271.0     1.796    329.8
2272.0     1.793    329.7
2273.0     1.789    329.6
2274.0     1.786    329.5
2275.0     1.782    329.3
2276.0     1.779    329.2
2277.0     1.775    329.1
2278.0     1.772    328.9
2279.0     1.768    328.8
2280.0     1.764    328.7
2281.0     1.761    328.5
2282.0     1.757    328.4
2283.0     1.753    328.3
2284.0     1.750    328.1
2285.0     1.746    328.0
2286.0     1.742    327.9
2287.0     1.738    327.7
2288.0     1.735    327.6
2289.0     1.731    327.5
2290.0     1.727    327.3
2291.0     1.723    327.2
2292.0     1.719    327.1
2293.0     1.715    326.9
2294.0     1.711    326.8
2295.0     1.707    326.6
2296.0     1.703    326.5
2297.0     1.699    326.4
2298.0     1.695    326.2
2299.0     1.691    326.1
2300.0     1.687    325.9
2301.0     1.683    325.8
2302.0     1.679    325.6
2303.0     1.674    325.5
2304.0     1.670    325.3
2305.0     1.666    325.2
2306.0     1.662    325.0
2307.0     1.658    324.9
2308.0     1.653    324.7
2309.0     1.649    324.6
2310.0     1.645    324.4
2311.0     1.640    324.3
2312.0     1.636    324.1
2313.0     1.632    324.0
2314.0     1.627    323.8
2315.0     1.623    323.7
2316.0     1.619    323.5
2317.0     1.614    323.4
2318.0     1.610    323.2
2319.0     1.605    323.1
2320.0     1.601    322.9
2321.0     1.596    322.7
2322.0     1.592    322.6
2323.0     1.587    322.4
2324.0     1.583    322.2
2325.0     1.578    322.1
2326.0     1.574    321.9
2327.0     1.569    321.7
2328.0     1.564    321.6
2329.0     1.560    321.4
2330.0     1.555    321.2
2331.0     1.551    321.1
2332.0     1.546    320.9
2333.0     1.541    320.7
2334.0     1.537    320.6
2335.0     1.532    320.4
2336.0     1.527    320.2
2337.0     1.522    320.0
2338.0     1.518    319.9
2339.0     1.513    319.7
2340.0     1.508    319.5
2341.0     1.504    319.3
2342.0     1.499    319.1
2343.0     1.494    319.0
2344.0     1.489    318.8
2345.0     1.484    318.6
2346.0     1.480    318.4
2347.0     1.475    318.2
2348.0     1.470    318.0






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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