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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:25:29

Orbital Elements for HO25AB
WDS: HO25AB WDS ID/Discoverer
P: 677.895 Orbital period (years)
a: 1.29578 Semi-major axis (arcseconds)
i: 87.014 Inclination (degrees)
Ω: 69.838 Longitude of ascending node (degrees)
T: 2039.440 Epoch of periastron passage (year)
e: 0.7223 Eccentricity
ω: 267.014 Longitude of periastron (degrees)
Start-Year: 1687.0 Year
End-Year: 2363.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HO25AB
Position: 062221.84+251328.5 Epoch-2000 right ascension and declination
WDS-ID: 06224+2514 WDS designation
Discoverer Code: HO25AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.17 Magnitude of the primary
V2: 10.33 Magnitude of the secondary
Equinox: Equinox
Date: 1995 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HO25AB



WDS 6th Orbit including measures of HO25AB

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


Ephemeris of HO25AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.397    251.4
-------------------------
1687.0     0.215    102.4
1688.0     0.211    103.1
1689.0     0.207    103.9
1690.0     0.203    104.6
1691.0     0.199    105.4
1692.0     0.195    106.3
1693.0     0.191    107.1
1694.0     0.188    108.0
1695.0     0.184    108.9
1696.0     0.180    109.9
1697.0     0.177    110.9
1698.0     0.173    112.0
1699.0     0.169    113.1
1700.0     0.166    114.2
1701.0     0.163    115.4
1702.0     0.159    116.6
1703.0     0.156    117.9
1704.0     0.153    119.3
1705.0     0.150    120.7
1706.0     0.147    122.2
1707.0     0.144    123.7
1708.0     0.141    125.3
1709.0     0.138    126.9
1710.0     0.136    128.6
1711.0     0.133    130.4
1712.0     0.131    132.2
1713.0     0.129    134.1
1714.0     0.127    136.1
1715.0     0.125    138.1
1716.0     0.123    140.2
1717.0     0.122    142.4
1718.0     0.120    144.6
1719.0     0.119    146.8
1720.0     0.118    149.1
1721.0     0.117    151.4
1722.0     0.117    153.8
1723.0     0.116    156.1
1724.0     0.116    158.5
1725.0     0.116    160.9
1726.0     0.116    163.3
1727.0     0.116    165.7
1728.0     0.117    168.0
1729.0     0.118    170.4
1730.0     0.119    172.7
1731.0     0.120    174.9
1732.0     0.121    177.2
1733.0     0.123    179.3
1734.0     0.124    181.4
1735.0     0.126    183.5
1736.0     0.128    185.5
1737.0     0.130    187.4
1738.0     0.132    189.3
1739.0     0.135    191.1
1740.0     0.137    192.8
1741.0     0.140    194.5
1742.0     0.143    196.1
1743.0     0.145    197.7
1744.0     0.148    199.2
1745.0     0.151    200.6
1746.0     0.155    202.0
1747.0     0.158    203.3
1748.0     0.161    204.5
1749.0     0.164    205.7
1750.0     0.168    206.9
1751.0     0.171    208.0
1752.0     0.175    209.1
1753.0     0.179    210.1
1754.0     0.182    211.1
1755.0     0.186    212.1
1756.0     0.190    213.0
1757.0     0.193    213.8
1758.0     0.197    214.7
1759.0     0.201    215.5
1760.0     0.205    216.3
1761.0     0.209    217.0
1762.0     0.213    217.7
1763.0     0.217    218.4
1764.0     0.221    219.1
1765.0     0.225    219.8
1766.0     0.229    220.4
1767.0     0.233    221.0
1768.0     0.237    221.6
1769.0     0.242    222.1
1770.0     0.246    222.7
1771.0     0.250    223.2
1772.0     0.254    223.7
1773.0     0.258    224.2
1774.0     0.263    224.7
1775.0     0.267    225.1
1776.0     0.271    225.6
1777.0     0.275    226.0
1778.0     0.280    226.4
1779.0     0.284    226.8
1780.0     0.288    227.2
1781.0     0.292    227.6
1782.0     0.297    228.0
1783.0     0.301    228.3
1784.0     0.305    228.7
1785.0     0.310    229.0
1786.0     0.314    229.3
1787.0     0.318    229.7
1788.0     0.323    230.0
1789.0     0.327    230.3
1790.0     0.331    230.6
1791.0     0.336    230.9
1792.0     0.340    231.1
1793.0     0.344    231.4
1794.0     0.349    231.7
1795.0     0.353    231.9
1796.0     0.357    232.2
1797.0     0.362    232.4
1798.0     0.366    232.7
1799.0     0.370    232.9
1800.0     0.375    233.2
1801.0     0.379    233.4
1802.0     0.383    233.6
1803.0     0.388    233.8
1804.0     0.392    234.0
1805.0     0.396    234.2
1806.0     0.401    234.4
1807.0     0.405    234.6
1808.0     0.409    234.8
1809.0     0.414    235.0
1810.0     0.418    235.2
1811.0     0.422    235.4
1812.0     0.426    235.6
1813.0     0.431    235.7
1814.0     0.435    235.9
1815.0     0.439    236.1
1816.0     0.444    236.2
1817.0     0.448    236.4
1818.0     0.452    236.6
1819.0     0.456    236.7
1820.0     0.461    236.9
1821.0     0.465    237.0
1822.0     0.469    237.2
1823.0     0.473    237.3
1824.0     0.478    237.5
1825.0     0.482    237.6
1826.0     0.486    237.7
1827.0     0.490    237.9
1828.0     0.494    238.0
1829.0     0.499    238.1
1830.0     0.503    238.3
1831.0     0.507    238.4
1832.0     0.511    238.5
1833.0     0.515    238.6
1834.0     0.519    238.8
1835.0     0.523    238.9
1836.0     0.528    239.0
1837.0     0.532    239.1
1838.0     0.536    239.2
1839.0     0.540    239.3
1840.0     0.544    239.4
1841.0     0.548    239.5
1842.0     0.552    239.7
1843.0     0.556    239.8
1844.0     0.560    239.9
1845.0     0.564    240.0
1846.0     0.568    240.1
1847.0     0.572    240.2
1848.0     0.576    240.3
1849.0     0.580    240.4
1850.0     0.584    240.5
1851.0     0.588    240.5
1852.0     0.592    240.6
1853.0     0.596    240.7
1854.0     0.599    240.8
1855.0     0.603    240.9
1856.0     0.607    241.0
1857.0     0.611    241.1
1858.0     0.615    241.2
1859.0     0.619    241.3
1860.0     0.622    241.3
1861.0     0.626    241.4
1862.0     0.630    241.5
1863.0     0.634    241.6
1864.0     0.637    241.7
1865.0     0.641    241.7
1866.0     0.645    241.8
1867.0     0.648    241.9
1868.0     0.652    242.0
1869.0     0.656    242.0
1870.0     0.659    242.1
1871.0     0.663    242.2
1872.0     0.667    242.3
1873.0     0.670    242.3
1874.0     0.674    242.4
1875.0     0.677    242.5
1876.0     0.681    242.5
1877.0     0.684    242.6
1878.0     0.688    242.7
1879.0     0.691    242.8
1880.0     0.694    242.8
1881.0     0.698    242.9
1882.0     0.701    242.9
1883.0     0.704    243.0
1884.0     0.708    243.1
1885.0     0.711    243.1
1886.0     0.714    243.2
1887.0     0.718    243.3
1888.0     0.721    243.3
1889.0     0.724    243.4
1890.0     0.727    243.5
1891.0     0.730    243.5
1892.0     0.733    243.6
1893.0     0.736    243.6
1894.0     0.740    243.7
1895.0     0.743    243.8
1896.0     0.746    243.8
1897.0     0.749    243.9
1898.0     0.751    243.9
1899.0     0.754    244.0
1900.0     0.757    244.0
1901.0     0.760    244.1
1902.0     0.763    244.1
1903.0     0.766    244.2
1904.0     0.768    244.3
1905.0     0.771    244.3
1906.0     0.774    244.4
1907.0     0.777    244.4
1908.0     0.779    244.5
1909.0     0.782    244.5
1910.0     0.784    244.6
1911.0     0.787    244.6
1912.0     0.789    244.7
1913.0     0.792    244.7
1914.0     0.794    244.8
1915.0     0.797    244.8
1916.0     0.799    244.9
1917.0     0.801    244.9
1918.0     0.803    245.0
1919.0     0.806    245.0
1920.0     0.808    245.1
1921.0     0.810    245.1
1922.0     0.812    245.2
1923.0     0.814    245.2
1924.0     0.816    245.3
1925.0     0.818    245.3
1926.0     0.820    245.4
1927.0     0.822    245.4
1928.0     0.823    245.5
1929.0     0.825    245.5
1930.0     0.827    245.6
1931.0     0.829    245.6
1932.0     0.830    245.7
1933.0     0.832    245.7
1934.0     0.833    245.8
1935.0     0.835    245.8
1936.0     0.836    245.8
1937.0     0.837    245.9
1938.0     0.839    245.9
1939.0     0.840    246.0
1940.0     0.841    246.0
1941.0     0.842    246.1
1942.0     0.843    246.1
1943.0     0.844    246.2
1944.0     0.845    246.2
1945.0     0.846    246.3
1946.0     0.846    246.3
1947.0     0.847    246.3
1948.0     0.848    246.4
1949.0     0.848    246.4
1950.0     0.849    246.5
1951.0     0.849    246.5
1952.0     0.849    246.6
1953.0     0.850    246.6
1954.0     0.850    246.7
1955.0     0.850    246.7
1956.0     0.850    246.7
1957.0     0.850    246.8
1958.0     0.850    246.8
1959.0     0.849    246.9
1960.0     0.849    246.9
1961.0     0.849    247.0
1962.0     0.848    247.0
1963.0     0.847    247.1
1964.0     0.847    247.1
1965.0     0.846    247.1
1966.0     0.845    247.2
1967.0     0.844    247.2
1968.0     0.842    247.3
1969.0     0.841    247.3
1970.0     0.840    247.4
1971.0     0.838    247.4
1972.0     0.837    247.5
1973.0     0.835    247.5
1974.0     0.833    247.6
1975.0     0.831    247.6
1976.0     0.829    247.6
1977.0     0.826    247.7
1978.0     0.824    247.7
1979.0     0.821    247.8
1980.0     0.818    247.8
1981.0     0.815    247.9
1982.0     0.812    247.9
1983.0     0.809    248.0
1984.0     0.805    248.0
1985.0     0.802    248.1
1986.0     0.798    248.1
1987.0     0.794    248.2
1988.0     0.790    248.2
1989.0     0.785    248.3
1990.0     0.781    248.3
1991.0     0.776    248.4
1992.0     0.771    248.4
1993.0     0.765    248.5
1994.0     0.760    248.6
1995.0     0.754    248.6
1996.0     0.748    248.7
1997.0     0.742    248.7
1998.0     0.735    248.8
1999.0     0.728    248.8
2000.0     0.721    248.9
2001.0     0.713    249.0
2002.0     0.706    249.0
2003.0     0.697    249.1
2004.0     0.689    249.2
2005.0     0.680    249.2
2006.0     0.671    249.3
2007.0     0.661    249.4
2008.0     0.651    249.4
2009.0     0.641    249.5
2010.0     0.630    249.6
2011.0     0.618    249.7
2012.0     0.606    249.8
2013.0     0.594    249.9
2014.0     0.581    250.0
2015.0     0.568    250.1
2016.0     0.553    250.2
2017.0     0.539    250.3
2018.0     0.524    250.4
2019.0     0.508    250.5
2020.0     0.491    250.6
2021.0     0.474    250.8
2022.0     0.456    250.9
2023.0     0.437    251.1
2024.0     0.417    251.3
2025.0     0.397    251.4
2026.0     0.376    251.7
2027.0     0.354    251.9
2028.0     0.331    252.2
2029.0     0.308    252.5
2030.0     0.283    252.9
2031.0     0.258    253.3
2032.0     0.232    253.8
2033.0     0.205    254.5
2034.0     0.178    255.4
2035.0     0.150    256.6
2036.0     0.122    258.4
2037.0     0.093    261.2
2038.0     0.064    266.6
2039.0     0.037    280.2
2040.0     0.019    333.7
2041.0     0.034     35.9
2042.0     0.061     51.9
2043.0     0.089     57.8
2044.0     0.118     60.9
2045.0     0.146     62.8
2046.0     0.174     64.0
2047.0     0.202     64.9
2048.0     0.229     65.6
2049.0     0.255     66.2
2050.0     0.281     66.6
2051.0     0.305     67.0
2052.0     0.330     67.3
2053.0     0.353     67.6
2054.0     0.375     67.8
2055.0     0.397     68.0
2056.0     0.418     68.2
2057.0     0.439     68.4
2058.0     0.458     68.6
2059.0     0.477     68.7
2060.0     0.495     68.9
2061.0     0.513     69.0
2062.0     0.530     69.1
2063.0     0.546     69.2
2064.0     0.562     69.3
2065.0     0.577     69.4
2066.0     0.592     69.5
2067.0     0.606     69.6
2068.0     0.620     69.7
2069.0     0.633     69.8
2070.0     0.646     69.8
2071.0     0.658     69.9
2072.0     0.670     70.0
2073.0     0.681     70.1
2074.0     0.692     70.1
2075.0     0.703     70.2
2076.0     0.713     70.3
2077.0     0.723     70.3
2078.0     0.732     70.4
2079.0     0.742     70.4
2080.0     0.751     70.5
2081.0     0.759     70.6
2082.0     0.767     70.6
2083.0     0.775     70.7
2084.0     0.783     70.7
2085.0     0.791     70.8
2086.0     0.798     70.8
2087.0     0.805     70.9
2088.0     0.811     70.9
2089.0     0.818     71.0
2090.0     0.824     71.0
2091.0     0.830     71.1
2092.0     0.836     71.1
2093.0     0.842     71.2
2094.0     0.847     71.2
2095.0     0.852     71.2
2096.0     0.857     71.3
2097.0     0.862     71.3
2098.0     0.867     71.4
2099.0     0.871     71.4
2100.0     0.876     71.5
2101.0     0.880     71.5
2102.0     0.884     71.5
2103.0     0.888     71.6
2104.0     0.891     71.6
2105.0     0.895     71.7
2106.0     0.898     71.7
2107.0     0.901     71.7
2108.0     0.905     71.8
2109.0     0.908     71.8
2110.0     0.910     71.9
2111.0     0.913     71.9
2112.0     0.916     71.9
2113.0     0.918     72.0
2114.0     0.921     72.0
2115.0     0.923     72.1
2116.0     0.925     72.1
2117.0     0.927     72.1
2118.0     0.929     72.2
2119.0     0.931     72.2
2120.0     0.932     72.2
2121.0     0.934     72.3
2122.0     0.935     72.3
2123.0     0.937     72.4
2124.0     0.938     72.4
2125.0     0.939     72.4
2126.0     0.941     72.5
2127.0     0.942     72.5
2128.0     0.942     72.5
2129.0     0.943     72.6
2130.0     0.944     72.6
2131.0     0.945     72.6
2132.0     0.945     72.7
2133.0     0.946     72.7
2134.0     0.946     72.8
2135.0     0.947     72.8
2136.0     0.947     72.8
2137.0     0.947     72.9
2138.0     0.948     72.9
2139.0     0.948     72.9
2140.0     0.948     73.0
2141.0     0.948     73.0
2142.0     0.947     73.0
2143.0     0.947     73.1
2144.0     0.947     73.1
2145.0     0.947     73.1
2146.0     0.946     73.2
2147.0     0.946     73.2
2148.0     0.945     73.3
2149.0     0.945     73.3
2150.0     0.944     73.3
2151.0     0.944     73.4
2152.0     0.943     73.4
2153.0     0.942     73.4
2154.0     0.941     73.5
2155.0     0.940     73.5
2156.0     0.939     73.5
2157.0     0.938     73.6
2158.0     0.937     73.6
2159.0     0.936     73.7
2160.0     0.935     73.7
2161.0     0.934     73.7
2162.0     0.933     73.8
2163.0     0.931     73.8
2164.0     0.930     73.8
2165.0     0.929     73.9
2166.0     0.927     73.9
2167.0     0.926     73.9
2168.0     0.924     74.0
2169.0     0.923     74.0
2170.0     0.921     74.1
2171.0     0.919     74.1
2172.0     0.918     74.1
2173.0     0.916     74.2
2174.0     0.914     74.2
2175.0     0.912     74.3
2176.0     0.911     74.3
2177.0     0.909     74.3
2178.0     0.907     74.4
2179.0     0.905     74.4
2180.0     0.903     74.4
2181.0     0.901     74.5
2182.0     0.899     74.5
2183.0     0.897     74.6
2184.0     0.894     74.6
2185.0     0.892     74.6
2186.0     0.890     74.7
2187.0     0.888     74.7
2188.0     0.886     74.8
2189.0     0.883     74.8
2190.0     0.881     74.9
2191.0     0.879     74.9
2192.0     0.876     74.9
2193.0     0.874     75.0
2194.0     0.871     75.0
2195.0     0.869     75.1
2196.0     0.866     75.1
2197.0     0.864     75.1
2198.0     0.861     75.2
2199.0     0.858     75.2
2200.0     0.856     75.3
2201.0     0.853     75.3
2202.0     0.850     75.4
2203.0     0.848     75.4
2204.0     0.845     75.5
2205.0     0.842     75.5
2206.0     0.839     75.5
2207.0     0.837     75.6
2208.0     0.834     75.6
2209.0     0.831     75.7
2210.0     0.828     75.7
2211.0     0.825     75.8
2212.0     0.822     75.8
2213.0     0.819     75.9
2214.0     0.816     75.9
2215.0     0.813     76.0
2216.0     0.810     76.0
2217.0     0.807     76.1
2218.0     0.804     76.1
2219.0     0.801     76.2
2220.0     0.797     76.2
2221.0     0.794     76.3
2222.0     0.791     76.3
2223.0     0.788     76.4
2224.0     0.785     76.4
2225.0     0.781     76.5
2226.0     0.778     76.5
2227.0     0.775     76.6
2228.0     0.772     76.6
2229.0     0.768     76.7
2230.0     0.765     76.7
2231.0     0.761     76.8
2232.0     0.758     76.9
2233.0     0.755     76.9
2234.0     0.751     77.0
2235.0     0.748     77.0
2236.0     0.744     77.1
2237.0     0.741     77.1
2238.0     0.737     77.2
2239.0     0.734     77.3
2240.0     0.730     77.3
2241.0     0.727     77.4
2242.0     0.723     77.4
2243.0     0.720     77.5
2244.0     0.716     77.6
2245.0     0.712     77.6
2246.0     0.709     77.7
2247.0     0.705     77.8
2248.0     0.701     77.8
2249.0     0.698     77.9
2250.0     0.694     78.0
2251.0     0.690     78.0
2252.0     0.687     78.1
2253.0     0.683     78.2
2254.0     0.679     78.2
2255.0     0.675     78.3
2256.0     0.671     78.4
2257.0     0.668     78.4
2258.0     0.664     78.5
2259.0     0.660     78.6
2260.0     0.656     78.7
2261.0     0.652     78.7
2262.0     0.648     78.8
2263.0     0.645     78.9
2264.0     0.641     79.0
2265.0     0.637     79.0
2266.0     0.633     79.1
2267.0     0.629     79.2
2268.0     0.625     79.3
2269.0     0.621     79.4
2270.0     0.617     79.5
2271.0     0.613     79.5
2272.0     0.609     79.6
2273.0     0.605     79.7
2274.0     0.601     79.8
2275.0     0.597     79.9
2276.0     0.593     80.0
2277.0     0.589     80.1
2278.0     0.585     80.2
2279.0     0.581     80.3
2280.0     0.577     80.4
2281.0     0.573     80.5
2282.0     0.569     80.5
2283.0     0.564     80.6
2284.0     0.560     80.8
2285.0     0.556     80.9
2286.0     0.552     81.0
2287.0     0.548     81.1
2288.0     0.544     81.2
2289.0     0.540     81.3
2290.0     0.535     81.4
2291.0     0.531     81.5
2292.0     0.527     81.6
2293.0     0.523     81.7
2294.0     0.519     81.9
2295.0     0.514     82.0
2296.0     0.510     82.1
2297.0     0.506     82.2
2298.0     0.502     82.3
2299.0     0.497     82.5
2300.0     0.493     82.6
2301.0     0.489     82.7
2302.0     0.485     82.9
2303.0     0.480     83.0
2304.0     0.476     83.2
2305.0     0.472     83.3
2306.0     0.468     83.4
2307.0     0.463     83.6
2308.0     0.459     83.7
2309.0     0.455     83.9
2310.0     0.450     84.1
2311.0     0.446     84.2
2312.0     0.442     84.4
2313.0     0.437     84.5
2314.0     0.433     84.7
2315.0     0.429     84.9
2316.0     0.424     85.1
2317.0     0.420     85.2
2318.0     0.416     85.4
2319.0     0.411     85.6
2320.0     0.407     85.8
2321.0     0.403     86.0
2322.0     0.398     86.2
2323.0     0.394     86.4
2324.0     0.390     86.6
2325.0     0.385     86.8
2326.0     0.381     87.0
2327.0     0.377     87.3
2328.0     0.372     87.5
2329.0     0.368     87.7
2330.0     0.364     88.0
2331.0     0.359     88.2
2332.0     0.355     88.5
2333.0     0.350     88.7
2334.0     0.346     89.0
2335.0     0.342     89.3
2336.0     0.337     89.5
2337.0     0.333     89.8
2338.0     0.329     90.1
2339.0     0.324     90.4
2340.0     0.320     90.7
2341.0     0.316     91.1
2342.0     0.311     91.4
2343.0     0.307     91.7
2344.0     0.303     92.1
2345.0     0.298     92.4
2346.0     0.294     92.8
2347.0     0.290     93.2
2348.0     0.285     93.6
2349.0     0.281     94.0
2350.0     0.277     94.4
2351.0     0.273     94.8
2352.0     0.268     95.2
2353.0     0.264     95.7
2354.0     0.260     96.2
2355.0     0.256     96.6
2356.0     0.251     97.1
2357.0     0.247     97.7
2358.0     0.243     98.2
2359.0     0.239     98.7
2360.0     0.235     99.3
2361.0     0.231     99.9
2362.0     0.227    100.5






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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