Double Star Calculator - Orbit

Orbital Elements for HU144
WDS: HU144 WDS ID/Discoverer
P: 412.500 Orbital period (years)
a: 1.128 Semi-major axis (arcseconds)
i: 87.3 Inclination (degrees)
Ω: 232.9 Longitude of ascending node (degrees)
T: 2130.710 Epoch of periastron passage (year)
e: 0.807 Eccentricity
ω: 253.7 Longitude of periastron (degrees)
Start-Year: 1818.75 Year
End-Year: 2231.25 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU144
Position: 151035.14+202109.7 Epoch-2000 right ascension and declination
WDS-ID: 15106+2021 WDS designation
Discoverer Code: HU144 Discover designation and components
ADS number: 9528 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 74259 Hipparcos catalog number
V1: 9.39 Magnitude of the primary
V2: 10.40 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2019 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2020g Reference

Double Star Orbit for HU144



WDS 6th Orbit including measures of HU144

-- 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 HU144
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.098   359.13
--------------------------
1818.75    0.962   236.69
1819.75    0.961   236.72
1820.75    0.960   236.75
1821.75    0.958   236.79
1822.75    0.957   236.82
1823.75    0.956   236.85
1824.75    0.954   236.89
1825.75    0.953   236.92
1826.75    0.951   236.96
1827.75    0.949   236.99
1828.75    0.947   237.03
1829.75    0.946   237.06
1830.75    0.944   237.09
1831.75    0.942   237.13
1832.75    0.940   237.16
1833.75    0.938   237.20
1834.75    0.936   237.23
1835.75    0.933   237.27
1836.75    0.931   237.31
1837.75    0.929   237.34
1838.75    0.927   237.38
1839.75    0.924   237.41
1840.75    0.922   237.45
1841.75    0.919   237.49
1842.75    0.917   237.52
1843.75    0.914   237.56
1844.75    0.912   237.60
1845.75    0.909   237.63
1846.75    0.906   237.67
1847.75    0.903   237.71
1848.75    0.901   237.75
1849.75    0.898   237.78
1850.75    0.895   237.82
1851.75    0.892   237.86
1852.75    0.889   237.90
1853.75    0.886   237.94
1854.75    0.883   237.98
1855.75    0.879   238.02
1856.75    0.876   238.06
1857.75    0.873   238.10
1858.75    0.870   238.14
1859.75    0.866   238.18
1860.75    0.863   238.22
1861.75    0.860   238.26
1862.75    0.856   238.31
1863.75    0.853   238.35
1864.75    0.849   238.39
1865.75    0.846   238.43
1866.75    0.842   238.48
1867.75    0.838   238.52
1868.75    0.835   238.57
1869.75    0.831   238.61
1870.75    0.827   238.66
1871.75    0.823   238.70
1872.75    0.820   238.75
1873.75    0.816   238.79
1874.75    0.812   238.84
1875.75    0.808   238.89
1876.75    0.804   238.93
1877.75    0.800   238.98
1878.75    0.796   239.03
1879.75    0.792   239.08
1880.75    0.788   239.13
1881.75    0.783   239.18
1882.75    0.779   239.23
1883.75    0.775   239.28
1884.75    0.771   239.33
1885.75    0.767   239.39
1886.75    0.762   239.44
1887.75    0.758   239.49
1888.75    0.754   239.55
1889.75    0.749   239.60
1890.75    0.745   239.66
1891.75    0.740   239.71
1892.75    0.736   239.77
1893.75    0.731   239.83
1894.75    0.727   239.88
1895.75    0.722   239.94
1896.75    0.718   240.00
1897.75    0.713   240.06
1898.75    0.708   240.12
1899.75    0.704   240.19
1900.75    0.699   240.25
1901.75    0.694   240.31
1902.75    0.689   240.38
1903.75    0.684   240.44
1904.75    0.680   240.51
1905.75    0.675   240.58
1906.75    0.670   240.64
1907.75    0.665   240.71
1908.75    0.660   240.78
1909.75    0.655   240.86
1910.75    0.650   240.93
1911.75    0.645   241.00
1912.75    0.640   241.08
1913.75    0.635   241.15
1914.75    0.630   241.23
1915.75    0.625   241.31
1916.75    0.620   241.39
1917.75    0.615   241.47
1918.75    0.609   241.55
1919.75    0.604   241.64
1920.75    0.599   241.72
1921.75    0.594   241.81
1922.75    0.589   241.90
1923.75    0.583   241.99
1924.75    0.578   242.08
1925.75    0.573   242.17
1926.75    0.567   242.27
1927.75    0.562   242.36
1928.75    0.556   242.46
1929.75    0.551   242.56
1930.75    0.546   242.67
1931.75    0.540   242.77
1932.75    0.535   242.88
1933.75    0.529   242.99
1934.75    0.524   243.10
1935.75    0.518   243.21
1936.75    0.513   243.33
1937.75    0.507   243.45
1938.75    0.502   243.57
1939.75    0.496   243.69
1940.75    0.490   243.82
1941.75    0.485   243.95
1942.75    0.479   244.08
1943.75    0.473   244.22
1944.75    0.468   244.36
1945.75    0.462   244.50
1946.75    0.456   244.65
1947.75    0.451   244.80
1948.75    0.445   244.95
1949.75    0.439   245.11
1950.75    0.433   245.27
1951.75    0.428   245.44
1952.75    0.422   245.61
1953.75    0.416   245.79
1954.75    0.410   245.97
1955.75    0.404   246.15
1956.75    0.398   246.35
1957.75    0.393   246.54
1958.75    0.387   246.75
1959.75    0.381   246.96
1960.75    0.375   247.17
1961.75    0.369   247.40
1962.75    0.363   247.63
1963.75    0.357   247.87
1964.75    0.351   248.11
1965.75    0.345   248.37
1966.75    0.339   248.63
1967.75    0.333   248.90
1968.75    0.327   249.19
1969.75    0.321   249.48
1970.75    0.315   249.78
1971.75    0.309   250.10
1972.75    0.303   250.43
1973.75    0.298   250.77
1974.75    0.292   251.13
1975.75    0.286   251.50
1976.75    0.280   251.89
1977.75    0.274   252.29
1978.75    0.268   252.71
1979.75    0.262   253.15
1980.75    0.256   253.62
1981.75    0.250   254.10
1982.75    0.244   254.61
1983.75    0.238   255.14
1984.75    0.232   255.70
1985.75    0.226   256.29
1986.75    0.220   256.91
1987.75    0.214   257.57
1988.75    0.208   258.26
1989.75    0.202   259.00
1990.75    0.196   259.78
1991.75    0.191   260.60
1992.75    0.185   261.48
1993.75    0.179   262.41
1994.75    0.173   263.40
1995.75    0.168   264.47
1996.75    0.162   265.60
1997.75    0.157   266.82
1998.75    0.151   268.12
1999.75    0.146   269.53
2000.75    0.140   271.03
2001.75    0.135   272.66
2002.75    0.130   274.41
2003.75    0.125   276.31
2004.75    0.120   278.36
2005.75    0.116   280.58
2006.75    0.111   282.98
2007.75    0.107   285.58
2008.75    0.103   288.39
2009.75    0.099   291.43
2010.75    0.096   294.69
2011.75    0.092   298.19
2012.75    0.090   301.92
2013.75    0.087   305.88
2014.75    0.085   310.04
2015.75    0.084   314.38
2016.75    0.083   318.84
2017.75    0.082   323.40
2018.75    0.082   327.98
2019.75    0.083   332.53
2020.75    0.084   336.99
2021.75    0.085   341.32
2022.75    0.087   345.48
2023.75    0.090   349.43
2024.75    0.092   353.16
2025.75    0.096   356.66
2026.75    0.099   359.92
2027.75    0.103     2.95
2028.75    0.107     5.75
2029.75    0.111     8.35
2030.75    0.116    10.75
2031.75    0.120    12.97
2032.75    0.125    15.02
2033.75    0.130    16.91
2034.75    0.135    18.67
2035.75    0.140    20.29
2036.75    0.146    21.80
2037.75    0.151    23.20
2038.75    0.157    24.51
2039.75    0.162    25.73
2040.75    0.168    26.86
2041.75    0.173    27.93
2042.75    0.179    28.93
2043.75    0.185    29.86
2044.75    0.190    30.74
2045.75    0.196    31.57
2046.75    0.202    32.35
2047.75    0.207    33.09
2048.75    0.213    33.79
2049.75    0.219    34.45
2050.75    0.225    35.08
2051.75    0.231    35.67
2052.75    0.236    36.24
2053.75    0.242    36.78
2054.75    0.248    37.29
2055.75    0.254    37.78
2056.75    0.260    38.25
2057.75    0.265    38.70
2058.75    0.271    39.13
2059.75    0.277    39.54
2060.75    0.282    39.94
2061.75    0.288    40.32
2062.75    0.294    40.68
2063.75    0.299    41.03
2064.75    0.305    41.37
2065.75    0.311    41.70
2066.75    0.316    42.01
2067.75    0.322    42.32
2068.75    0.327    42.61
2069.75    0.332    42.90
2070.75    0.338    43.17
2071.75    0.343    43.44
2072.75    0.348    43.70
2073.75    0.353    43.95
2074.75    0.359    44.19
2075.75    0.364    44.43
2076.75    0.369    44.66
2077.75    0.374    44.88
2078.75    0.378    45.10
2079.75    0.383    45.31
2080.75    0.388    45.52
2081.75    0.393    45.72
2082.75    0.397    45.92
2083.75    0.402    46.12
2084.75    0.406    46.31
2085.75    0.410    46.49
2086.75    0.414    46.67
2087.75    0.418    46.85
2088.75    0.422    47.03
2089.75    0.426    47.20
2090.75    0.429    47.37
2091.75    0.433    47.53
2092.75    0.436    47.70
2093.75    0.439    47.86
2094.75    0.442    48.02
2095.75    0.445    48.17
2096.75    0.448    48.33
2097.75    0.450    48.48
2098.75    0.452    48.63
2099.75    0.454    48.79
2100.75    0.455    48.93
2101.75    0.457    49.08
2102.75    0.458    49.23
2103.75    0.458    49.38
2104.75    0.459    49.53
2105.75    0.459    49.67
2106.75    0.458    49.82
2107.75    0.457    49.97
2108.75    0.456    50.11
2109.75    0.454    50.26
2110.75    0.451    50.41
2111.75    0.448    50.57
2112.75    0.444    50.72
2113.75    0.439    50.88
2114.75    0.434    51.04
2115.75    0.427    51.21
2116.75    0.419    51.38
2117.75    0.411    51.56
2118.75    0.400    51.75
2119.75    0.388    51.95
2120.75    0.374    52.16
2121.75    0.358    52.39
2122.75    0.340    52.64
2123.75    0.319    52.93
2124.75    0.294    53.26
2125.75    0.266    53.65
2126.75    0.233    54.15
2127.75    0.196    54.82
2128.75    0.155    55.84
2129.75    0.109    57.66
2130.75    0.060    62.38
2131.75    0.013   105.77
2132.75    0.045   219.25
2133.75    0.094   226.52
2134.75    0.142   228.81
2135.75    0.188   229.96
2136.75    0.230   230.67
2137.75    0.270   231.17
2138.75    0.307   231.54
2139.75    0.341   231.84
2140.75    0.373   232.08
2141.75    0.403   232.28
2142.75    0.431   232.46
2143.75    0.458   232.62
2144.75    0.482   232.76
2145.75    0.506   232.88
2146.75    0.528   233.00
2147.75    0.549   233.11
2148.75    0.568   233.21
2149.75    0.587   233.30
2150.75    0.605   233.39
2151.75    0.622   233.47
2152.75    0.638   233.55
2153.75    0.654   233.62
2154.75    0.668   233.69
2155.75    0.682   233.76
2156.75    0.696   233.82
2157.75    0.709   233.89
2158.75    0.721   233.95
2159.75    0.733   234.00
2160.75    0.744   234.06
2161.75    0.755   234.12
2162.75    0.765   234.17
2163.75    0.775   234.22
2164.75    0.785   234.27
2165.75    0.794   234.32
2166.75    0.803   234.37
2167.75    0.811   234.42
2168.75    0.819   234.46
2169.75    0.827   234.51
2170.75    0.835   234.55
2171.75    0.842   234.60
2172.75    0.849   234.64
2173.75    0.855   234.68
2174.75    0.862   234.73
2175.75    0.868   234.77
2176.75    0.874   234.81
2177.75    0.879   234.85
2178.75    0.885   234.89
2179.75    0.890   234.93
2180.75    0.895   234.97
2181.75    0.900   235.00
2182.75    0.904   235.04
2183.75    0.909   235.08
2184.75    0.913   235.12
2185.75    0.917   235.15
2186.75    0.921   235.19
2187.75    0.924   235.23
2188.75    0.928   235.26
2189.75    0.931   235.30
2190.75    0.934   235.33
2191.75    0.937   235.37
2192.75    0.940   235.41
2193.75    0.943   235.44
2194.75    0.945   235.47
2195.75    0.948   235.51
2196.75    0.950   235.54
2197.75    0.952   235.58
2198.75    0.954   235.61
2199.75    0.956   235.65
2200.75    0.958   235.68
2201.75    0.959   235.71
2202.75    0.961   235.75
2203.75    0.962   235.78
2204.75    0.963   235.81
2205.75    0.965   235.85
2206.75    0.966   235.88
2207.75    0.967   235.91
2208.75    0.967   235.95
2209.75    0.968   235.98
2210.75    0.969   236.01
2211.75    0.969   236.04
2212.75    0.970   236.08
2213.75    0.970   236.11
2214.75    0.970   236.14
2215.75    0.971   236.18
2216.75    0.971   236.21
2217.75    0.971   236.24
2218.75    0.970   236.27
2219.75    0.970   236.31
2220.75    0.970   236.34
2221.75    0.970   236.37
2222.75    0.969   236.41
2223.75    0.969   236.44
2224.75    0.968   236.47
2225.75    0.967   236.50
2226.75    0.966   236.54
2227.75    0.966   236.57
2228.75    0.965   236.60
2229.75    0.964   236.64
2230.75    0.963   236.67






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 17:12:58



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