Double Star Calculator - Orbit

Orbital Elements for HU544
WDS: HU544 WDS ID/Discoverer
P: 473.048 Orbital period (years)
a: 1.15413 Semi-major axis (arcseconds)
i: 86.468 Inclination (degrees)
Ω: 102.286 Longitude of ascending node (degrees)
T: 1858.919 Epoch of periastron passage (year)
e: 0.53719 Eccentricity
ω: 202.947 Longitude of periastron (degrees)
Start-Year: 1788.4762 Year
End-Year: 2261.5238 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU544
Position: 031548.70+505721.2 Epoch-2000 right ascension and declination
WDS-ID: 03158+5057 WDS designation
Discoverer Code: HU544 Discover designation and components
ADS number: 2425 Aitken Double Star catalog
HD number: 20096 HD catalog number
Hipparcos number: 15193 Hipparcos catalog number
V1: 6.72 Magnitude of the primary
V2: 8.20 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Izm2019 Reference

Double Star Orbit for HU544



WDS 6th Orbit including measures of HU544

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of HU544
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    1.660   102.50
--------------------------
1788.48    0.109   140.07
1789.48    0.098   144.98
1790.48    0.088   151.10
1791.48    0.079   158.74
1792.48    0.071   168.17
1793.48    0.066   179.40
1794.48    0.064   191.92
1795.48    0.065   204.70
1796.48    0.069   216.54
1797.48    0.075   226.72
1798.48    0.084   235.05
1799.48    0.094   241.75
1800.48    0.105   247.11
1801.48    0.116   251.43
1802.48    0.129   254.95
1803.48    0.141   257.85
1804.48    0.154   260.28
1805.48    0.167   262.33
1806.48    0.180   264.09
1807.48    0.193   265.61
1808.48    0.206   266.93
1809.48    0.219   268.09
1810.48    0.233   269.13
1811.48    0.246   270.05
1812.48    0.259   270.87
1813.48    0.272   271.62
1814.48    0.285   272.30
1815.48    0.298   272.92
1816.48    0.311   273.49
1817.48    0.324   274.01
1818.48    0.336   274.50
1819.48    0.349   274.95
1820.48    0.361   275.36
1821.48    0.373   275.76
1822.48    0.385   276.12
1823.48    0.397   276.47
1824.48    0.408   276.79
1825.48    0.419   277.10
1826.48    0.430   277.39
1827.48    0.441   277.67
1828.48    0.451   277.94
1829.48    0.461   278.19
1830.48    0.471   278.43
1831.48    0.480   278.66
1832.48    0.489   278.89
1833.48    0.498   279.10
1834.48    0.506   279.31
1835.48    0.513   279.52
1836.48    0.520   279.71
1837.48    0.527   279.91
1838.48    0.533   280.09
1839.48    0.538   280.28
1840.48    0.543   280.46
1841.48    0.547   280.63
1842.48    0.551   280.81
1843.48    0.554   280.98
1844.48    0.556   281.15
1845.48    0.557   281.32
1846.48    0.558   281.49
1847.48    0.557   281.66
1848.48    0.556   281.83
1849.48    0.554   282.00
1850.48    0.552   282.17
1851.48    0.548   282.35
1852.48    0.543   282.53
1853.48    0.538   282.71
1854.48    0.531   282.89
1855.48    0.524   283.08
1856.48    0.516   283.27
1857.48    0.507   283.48
1858.48    0.497   283.68
1859.48    0.486   283.90
1860.48    0.474   284.13
1861.48    0.462   284.37
1862.48    0.448   284.63
1863.48    0.434   284.90
1864.48    0.419   285.19
1865.48    0.403   285.50
1866.48    0.387   285.84
1867.48    0.370   286.20
1868.48    0.353   286.61
1869.48    0.335   287.05
1870.48    0.316   287.55
1871.48    0.297   288.11
1872.48    0.278   288.75
1873.48    0.258   289.48
1874.48    0.238   290.33
1875.48    0.218   291.35
1876.48    0.198   292.57
1877.48    0.177   294.07
1878.48    0.156   295.97
1879.48    0.136   298.45
1880.48    0.116   301.80
1881.48    0.096   306.58
1882.48    0.077   313.79
1883.48    0.059   325.44
1884.48    0.046   344.87
1885.48    0.042    13.08
1886.48    0.048    40.31
1887.48    0.062    58.36
1888.48    0.079    69.17
1889.48    0.099    75.92
1890.48    0.119    80.43
1891.48    0.139    83.62
1892.48    0.160    85.99
1893.48    0.181    87.81
1894.48    0.202    89.26
1895.48    0.223    90.43
1896.48    0.243    91.40
1897.48    0.264    92.22
1898.48    0.285    92.92
1899.48    0.305    93.53
1900.48    0.326    94.06
1901.48    0.346    94.53
1902.48    0.366    94.94
1903.48    0.386    95.32
1904.48    0.406    95.65
1905.48    0.425    95.96
1906.48    0.445    96.24
1907.48    0.464    96.49
1908.48    0.483    96.72
1909.48    0.502    96.94
1910.48    0.521    97.14
1911.48    0.540    97.33
1912.48    0.558    97.50
1913.48    0.577    97.67
1914.48    0.595    97.82
1915.48    0.613    97.97
1916.48    0.630    98.10
1917.48    0.648    98.23
1918.48    0.665    98.35
1919.48    0.682    98.47
1920.48    0.699    98.58
1921.48    0.716    98.69
1922.48    0.733    98.79
1923.48    0.749    98.88
1924.48    0.766    98.97
1925.48    0.782    99.06
1926.48    0.798    99.15
1927.48    0.814    99.23
1928.48    0.829    99.31
1929.48    0.845    99.38
1930.48    0.860    99.45
1931.48    0.875    99.52
1932.48    0.890    99.59
1933.48    0.904    99.66
1934.48    0.919    99.72
1935.48    0.933    99.78
1936.48    0.948    99.84
1937.48    0.962    99.90
1938.48    0.976    99.95
1939.48    0.989   100.01
1940.48    1.003   100.06
1941.48    1.016   100.11
1942.48    1.029   100.16
1943.48    1.043   100.21
1944.48    1.055   100.26
1945.48    1.068   100.31
1946.48    1.081   100.35
1947.48    1.093   100.40
1948.48    1.105   100.44
1949.48    1.118   100.48
1950.48    1.130   100.53
1951.48    1.141   100.57
1952.48    1.153   100.61
1953.48    1.165   100.65
1954.48    1.176   100.68
1955.48    1.187   100.72
1956.48    1.198   100.76
1957.48    1.209   100.80
1958.48    1.220   100.83
1959.48    1.231   100.87
1960.48    1.241   100.90
1961.48    1.252   100.94
1962.48    1.262   100.97
1963.48    1.272   101.00
1964.48    1.282   101.03
1965.48    1.292   101.07
1966.48    1.301   101.10
1967.48    1.311   101.13
1968.48    1.320   101.16
1969.48    1.329   101.19
1970.48    1.339   101.22
1971.48    1.348   101.25
1972.48    1.356   101.28
1973.48    1.365   101.30
1974.48    1.374   101.33
1975.48    1.382   101.36
1976.48    1.391   101.39
1977.48    1.399   101.41
1978.48    1.407   101.44
1979.48    1.415   101.47
1980.48    1.423   101.49
1981.48    1.430   101.52
1982.48    1.438   101.55
1983.48    1.445   101.57
1984.48    1.453   101.60
1985.48    1.460   101.62
1986.48    1.467   101.65
1987.48    1.474   101.67
1988.48    1.481   101.69
1989.48    1.488   101.72
1990.48    1.494   101.74
1991.48    1.501   101.76
1992.48    1.507   101.79
1993.48    1.514   101.81
1994.48    1.520   101.83
1995.48    1.526   101.86
1996.48    1.532   101.88
1997.48    1.538   101.90
1998.48    1.543   101.92
1999.48    1.549   101.95
2000.48    1.554   101.97
2001.48    1.560   101.99
2002.48    1.565   102.01
2003.48    1.570   102.03
2004.48    1.575   102.05
2005.48    1.580   102.07
2006.48    1.585   102.10
2007.48    1.590   102.12
2008.48    1.594   102.14
2009.48    1.599   102.16
2010.48    1.603   102.18
2011.48    1.608   102.20
2012.48    1.612   102.22
2013.48    1.616   102.24
2014.48    1.620   102.26
2015.48    1.624   102.28
2016.48    1.628   102.30
2017.48    1.631   102.32
2018.48    1.635   102.34
2019.48    1.638   102.36
2020.48    1.642   102.38
2021.48    1.645   102.40
2022.48    1.648   102.42
2023.48    1.651   102.44
2024.48    1.654   102.46
2025.48    1.657   102.48
2026.48    1.660   102.49
2027.48    1.663   102.51
2028.48    1.665   102.53
2029.48    1.668   102.55
2030.48    1.670   102.57
2031.48    1.672   102.59
2032.48    1.674   102.61
2033.48    1.677   102.63
2034.48    1.679   102.65
2035.48    1.681   102.66
2036.48    1.682   102.68
2037.48    1.684   102.70
2038.48    1.686   102.72
2039.48    1.687   102.74
2040.48    1.689   102.76
2041.48    1.690   102.78
2042.48    1.691   102.79
2043.48    1.693   102.81
2044.48    1.694   102.83
2045.48    1.695   102.85
2046.48    1.696   102.87
2047.48    1.696   102.89
2048.48    1.697   102.90
2049.48    1.698   102.92
2050.48    1.698   102.94
2051.48    1.699   102.96
2052.48    1.699   102.98
2053.48    1.699   103.00
2054.48    1.699   103.01
2055.48    1.700   103.03
2056.48    1.700   103.05
2057.48    1.700   103.07
2058.48    1.699   103.09
2059.48    1.699   103.11
2060.48    1.699   103.12
2061.48    1.698   103.14
2062.48    1.698   103.16
2063.48    1.697   103.18
2064.48    1.697   103.20
2065.48    1.696   103.21
2066.48    1.695   103.23
2067.48    1.694   103.25
2068.48    1.693   103.27
2069.48    1.692   103.29
2070.48    1.691   103.31
2071.48    1.689   103.32
2072.48    1.688   103.34
2073.48    1.687   103.36
2074.48    1.685   103.38
2075.48    1.683   103.40
2076.48    1.682   103.42
2077.48    1.680   103.44
2078.48    1.678   103.45
2079.48    1.676   103.47
2080.48    1.674   103.49
2081.48    1.672   103.51
2082.48    1.670   103.53
2083.48    1.668   103.55
2084.48    1.665   103.57
2085.48    1.663   103.59
2086.48    1.660   103.61
2087.48    1.658   103.63
2088.48    1.655   103.64
2089.48    1.652   103.66
2090.48    1.650   103.68
2091.48    1.647   103.70
2092.48    1.644   103.72
2093.48    1.641   103.74
2094.48    1.637   103.76
2095.48    1.634   103.78
2096.48    1.631   103.80
2097.48    1.627   103.82
2098.48    1.624   103.84
2099.48    1.620   103.86
2100.48    1.617   103.88
2101.48    1.613   103.90
2102.48    1.609   103.92
2103.48    1.606   103.94
2104.48    1.602   103.96
2105.48    1.598   103.98
2106.48    1.593   104.00
2107.48    1.589   104.02
2108.48    1.585   104.04
2109.48    1.581   104.07
2110.48    1.576   104.09
2111.48    1.572   104.11
2112.48    1.567   104.13
2113.48    1.563   104.15
2114.48    1.558   104.17
2115.48    1.553   104.19
2116.48    1.548   104.22
2117.48    1.543   104.24
2118.48    1.538   104.26
2119.48    1.533   104.28
2120.48    1.528   104.31
2121.48    1.523   104.33
2122.48    1.518   104.35
2123.48    1.512   104.37
2124.48    1.507   104.40
2125.48    1.501   104.42
2126.48    1.496   104.44
2127.48    1.490   104.47
2128.48    1.484   104.49
2129.48    1.478   104.52
2130.48    1.472   104.54
2131.48    1.466   104.56
2132.48    1.460   104.59
2133.48    1.454   104.61
2134.48    1.448   104.64
2135.48    1.442   104.66
2136.48    1.435   104.69
2137.48    1.429   104.71
2138.48    1.422   104.74
2139.48    1.416   104.77
2140.48    1.409   104.79
2141.48    1.402   104.82
2142.48    1.395   104.85
2143.48    1.389   104.87
2144.48    1.382   104.90
2145.48    1.375   104.93
2146.48    1.367   104.96
2147.48    1.360   104.99
2148.48    1.353   105.01
2149.48    1.346   105.04
2150.48    1.338   105.07
2151.48    1.331   105.10
2152.48    1.323   105.13
2153.48    1.316   105.16
2154.48    1.308   105.19
2155.48    1.300   105.22
2156.48    1.292   105.25
2157.48    1.284   105.29
2158.48    1.277   105.32
2159.48    1.268   105.35
2160.48    1.260   105.38
2161.48    1.252   105.42
2162.48    1.244   105.45
2163.48    1.236   105.49
2164.48    1.227   105.52
2165.48    1.219   105.56
2166.48    1.210   105.59
2167.48    1.201   105.63
2168.48    1.193   105.66
2169.48    1.184   105.70
2170.48    1.175   105.74
2171.48    1.166   105.78
2172.48    1.157   105.82
2173.48    1.148   105.86
2174.48    1.139   105.90
2175.48    1.130   105.94
2176.48    1.121   105.98
2177.48    1.111   106.02
2178.48    1.102   106.06
2179.48    1.092   106.11
2180.48    1.083   106.15
2181.48    1.073   106.20
2182.48    1.063   106.24
2183.48    1.054   106.29
2184.48    1.044   106.34
2185.48    1.034   106.39
2186.48    1.024   106.44
2187.48    1.014   106.49
2188.48    1.004   106.54
2189.48    0.994   106.59
2190.48    0.983   106.65
2191.48    0.973   106.70
2192.48    0.963   106.76
2193.48    0.952   106.82
2194.48    0.942   106.87
2195.48    0.931   106.93
2196.48    0.920   107.00
2197.48    0.910   107.06
2198.48    0.899   107.12
2199.48    0.888   107.19
2200.48    0.877   107.26
2201.48    0.866   107.33
2202.48    0.855   107.40
2203.48    0.844   107.47
2204.48    0.833   107.55
2205.48    0.821   107.62
2206.48    0.810   107.70
2207.48    0.799   107.78
2208.48    0.787   107.87
2209.48    0.775   107.95
2210.48    0.764   108.04
2211.48    0.752   108.13
2212.48    0.740   108.23
2213.48    0.729   108.33
2214.48    0.717   108.43
2215.48    0.705   108.53
2216.48    0.693   108.64
2217.48    0.681   108.75
2218.48    0.669   108.87
2219.48    0.657   108.99
2220.48    0.644   109.11
2221.48    0.632   109.24
2222.48    0.620   109.37
2223.48    0.607   109.51
2224.48    0.595   109.66
2225.48    0.582   109.81
2226.48    0.570   109.97
2227.48    0.557   110.14
2228.48    0.544   110.31
2229.48    0.531   110.49
2230.48    0.519   110.68
2231.48    0.506   110.89
2232.48    0.493   111.10
2233.48    0.480   111.32
2234.48    0.467   111.55
2235.48    0.454   111.80
2236.48    0.441   112.07
2237.48    0.428   112.35
2238.48    0.414   112.64
2239.48    0.401   112.96
2240.48    0.388   113.30
2241.48    0.374   113.66
2242.48    0.361   114.05
2243.48    0.348   114.47
2244.48    0.334   114.92
2245.48    0.321   115.42
2246.48    0.307   115.95
2247.48    0.294   116.53
2248.48    0.280   117.17
2249.48    0.267   117.88
2250.48    0.253   118.66
2251.48    0.240   119.53
2252.48    0.226   120.50
2253.48    0.213   121.59
2254.48    0.199   122.83
2255.48    0.186   124.25
2256.48    0.173   125.89
2257.48    0.160   127.79
2258.48    0.147   130.04
2259.48    0.134   132.71
2260.48    0.122   135.93
2261.48    0.110   139.86






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 15:09:02



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