Double Star Calculator - Orbit

Orbital Elements for HU1084
WDS: HU1084 WDS ID/Discoverer
P: 488.000 Orbital period (years)
a: 0.681 Semi-major axis (arcseconds)
i: 105.9 Inclination (degrees)
Ω: 34.9 Longitude of ascending node (degrees)
T: 1966.000 Epoch of periastron passage (year)
e: 0.894 Eccentricity
ω: 137.9 Longitude of periastron (degrees)
Start-Year: 1781.0 Year
End-Year: 2269.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1084
Position: 043541.01+394404.2 Epoch-2000 right ascension and declination
WDS-ID: 04357+3944 WDS designation
Discoverer Code: HU1084 Discover designation and components
ADS number: 3315 Aitken Double Star catalog
HD number: 28989 HD catalog number
Hipparcos number: 21405 Hipparcos catalog number
V1: 8.93 Magnitude of the primary
V2: 9.24 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Lin2012a Reference

Double Star Orbit for HU1084



WDS 6th Orbit including measures of HU1084

-- 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 HU1084
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.351    66.88
--------------------------
1781.00    1.017    46.37
1782.00    1.017    46.33
1783.00    1.017    46.29
1784.00    1.016    46.25
1785.00    1.016    46.21
1786.00    1.016    46.16
1787.00    1.015    46.12
1788.00    1.015    46.08
1789.00    1.014    46.04
1790.00    1.014    46.00
1791.00    1.013    45.96
1792.00    1.013    45.92
1793.00    1.012    45.88
1794.00    1.012    45.84
1795.00    1.011    45.80
1796.00    1.010    45.76
1797.00    1.010    45.71
1798.00    1.009    45.67
1799.00    1.008    45.63
1800.00    1.008    45.59
1801.00    1.007    45.55
1802.00    1.006    45.51
1803.00    1.005    45.47
1804.00    1.004    45.42
1805.00    1.003    45.38
1806.00    1.002    45.34
1807.00    1.001    45.30
1808.00    1.000    45.26
1809.00    0.999    45.22
1810.00    0.998    45.17
1811.00    0.997    45.13
1812.00    0.996    45.09
1813.00    0.995    45.05
1814.00    0.994    45.00
1815.00    0.993    44.96
1816.00    0.991    44.92
1817.00    0.990    44.88
1818.00    0.989    44.83
1819.00    0.987    44.79
1820.00    0.986    44.75
1821.00    0.984    44.70
1822.00    0.983    44.66
1823.00    0.982    44.62
1824.00    0.980    44.57
1825.00    0.978    44.53
1826.00    0.977    44.49
1827.00    0.975    44.44
1828.00    0.974    44.40
1829.00    0.972    44.35
1830.00    0.970    44.31
1831.00    0.968    44.26
1832.00    0.967    44.22
1833.00    0.965    44.17
1834.00    0.963    44.13
1835.00    0.961    44.08
1836.00    0.959    44.04
1837.00    0.957    43.99
1838.00    0.955    43.95
1839.00    0.953    43.90
1840.00    0.951    43.85
1841.00    0.949    43.81
1842.00    0.947    43.76
1843.00    0.944    43.71
1844.00    0.942    43.67
1845.00    0.940    43.62
1846.00    0.937    43.57
1847.00    0.935    43.52
1848.00    0.933    43.47
1849.00    0.930    43.43
1850.00    0.928    43.38
1851.00    0.925    43.33
1852.00    0.923    43.28
1853.00    0.920    43.23
1854.00    0.917    43.18
1855.00    0.915    43.13
1856.00    0.912    43.08
1857.00    0.909    43.03
1858.00    0.906    42.98
1859.00    0.903    42.93
1860.00    0.900    42.87
1861.00    0.897    42.82
1862.00    0.894    42.77
1863.00    0.891    42.72
1864.00    0.888    42.66
1865.00    0.885    42.61
1866.00    0.882    42.56
1867.00    0.878    42.50
1868.00    0.875    42.45
1869.00    0.872    42.39
1870.00    0.868    42.34
1871.00    0.865    42.28
1872.00    0.861    42.23
1873.00    0.858    42.17
1874.00    0.854    42.11
1875.00    0.850    42.05
1876.00    0.847    42.00
1877.00    0.843    41.94
1878.00    0.839    41.88
1879.00    0.835    41.82
1880.00    0.831    41.76
1881.00    0.827    41.70
1882.00    0.823    41.63
1883.00    0.819    41.57
1884.00    0.815    41.51
1885.00    0.810    41.44
1886.00    0.806    41.38
1887.00    0.802    41.32
1888.00    0.797    41.25
1889.00    0.793    41.18
1890.00    0.788    41.12
1891.00    0.783    41.05
1892.00    0.779    40.98
1893.00    0.774    40.91
1894.00    0.769    40.84
1895.00    0.764    40.77
1896.00    0.759    40.70
1897.00    0.754    40.62
1898.00    0.749    40.55
1899.00    0.744    40.47
1900.00    0.738    40.40
1901.00    0.733    40.32
1902.00    0.727    40.24
1903.00    0.722    40.16
1904.00    0.716    40.08
1905.00    0.710    40.00
1906.00    0.705    39.91
1907.00    0.699    39.83
1908.00    0.693    39.74
1909.00    0.686    39.65
1910.00    0.680    39.56
1911.00    0.674    39.47
1912.00    0.668    39.38
1913.00    0.661    39.28
1914.00    0.654    39.18
1915.00    0.648    39.08
1916.00    0.641    38.98
1917.00    0.634    38.88
1918.00    0.627    38.77
1919.00    0.620    38.67
1920.00    0.612    38.56
1921.00    0.605    38.44
1922.00    0.597    38.33
1923.00    0.590    38.21
1924.00    0.582    38.08
1925.00    0.574    37.96
1926.00    0.566    37.83
1927.00    0.557    37.70
1928.00    0.549    37.56
1929.00    0.540    37.42
1930.00    0.532    37.27
1931.00    0.523    37.12
1932.00    0.513    36.96
1933.00    0.504    36.80
1934.00    0.495    36.63
1935.00    0.485    36.46
1936.00    0.475    36.28
1937.00    0.465    36.08
1938.00    0.454    35.89
1939.00    0.444    35.68
1940.00    0.433    35.46
1941.00    0.422    35.23
1942.00    0.410    34.99
1943.00    0.398    34.73
1944.00    0.386    34.46
1945.00    0.374    34.16
1946.00    0.361    33.85
1947.00    0.348    33.52
1948.00    0.334    33.16
1949.00    0.320    32.77
1950.00    0.306    32.34
1951.00    0.290    31.86
1952.00    0.275    31.34
1953.00    0.259    30.75
1954.00    0.242    30.07
1955.00    0.224    29.30
1956.00    0.205    28.39
1957.00    0.186    27.29
1958.00    0.165    25.93
1959.00    0.144    24.16
1960.00    0.121    21.75
1961.00    0.096    18.16
1962.00    0.071    12.02
1963.00    0.045   358.71
1964.00    0.025   317.40
1965.00    0.032   252.46
1966.00    0.055   228.80
1967.00    0.074   218.75
1968.00    0.087   212.34
1969.00    0.093   207.18
1970.00    0.096   202.48
1971.00    0.096   197.91
1972.00    0.095   193.28
1973.00    0.093   188.49
1974.00    0.090   183.49
1975.00    0.088   178.23
1976.00    0.086   172.72
1977.00    0.085   166.98
1978.00    0.084   161.07
1979.00    0.083   155.07
1980.00    0.084   149.06
1981.00    0.085   143.15
1982.00    0.087   137.43
1983.00    0.089   131.98
1984.00    0.092   126.86
1985.00    0.096   122.09
1986.00    0.100   117.69
1987.00    0.104   113.65
1988.00    0.109   109.97
1989.00    0.114   106.61
1990.00    0.120   103.55
1991.00    0.126   100.76
1992.00    0.132    98.22
1993.00    0.138    95.90
1994.00    0.144    93.77
1995.00    0.150    91.82
1996.00    0.156    90.03
1997.00    0.163    88.38
1998.00    0.169    86.85
1999.00    0.176    85.44
2000.00    0.182    84.13
2001.00    0.189    82.91
2002.00    0.195    81.77
2003.00    0.202    80.70
2004.00    0.208    79.70
2005.00    0.215    78.77
2006.00    0.222    77.89
2007.00    0.228    77.05
2008.00    0.235    76.27
2009.00    0.241    75.53
2010.00    0.248    74.82
2011.00    0.254    74.16
2012.00    0.261    73.52
2013.00    0.267    72.92
2014.00    0.273    72.34
2015.00    0.280    71.79
2016.00    0.286    71.27
2017.00    0.292    70.77
2018.00    0.299    70.28
2019.00    0.305    69.82
2020.00    0.311    69.38
2021.00    0.317    68.96
2022.00    0.323    68.55
2023.00    0.330    68.15
2024.00    0.336    67.77
2025.00    0.342    67.41
2026.00    0.348    67.05
2027.00    0.354    66.71
2028.00    0.360    66.38
2029.00    0.366    66.06
2030.00    0.372    65.75
2031.00    0.377    65.45
2032.00    0.383    65.16
2033.00    0.389    64.88
2034.00    0.395    64.61
2035.00    0.401    64.34
2036.00    0.406    64.08
2037.00    0.412    63.83
2038.00    0.418    63.59
2039.00    0.423    63.35
2040.00    0.429    63.12
2041.00    0.434    62.89
2042.00    0.440    62.67
2043.00    0.445    62.46
2044.00    0.451    62.25
2045.00    0.456    62.05
2046.00    0.461    61.85
2047.00    0.467    61.65
2048.00    0.472    61.46
2049.00    0.477    61.27
2050.00    0.483    61.09
2051.00    0.488    60.91
2052.00    0.493    60.74
2053.00    0.498    60.57
2054.00    0.503    60.40
2055.00    0.508    60.24
2056.00    0.513    60.08
2057.00    0.518    59.92
2058.00    0.523    59.76
2059.00    0.528    59.61
2060.00    0.533    59.46
2061.00    0.538    59.32
2062.00    0.543    59.17
2063.00    0.548    59.03
2064.00    0.553    58.89
2065.00    0.558    58.76
2066.00    0.562    58.62
2067.00    0.567    58.49
2068.00    0.572    58.36
2069.00    0.577    58.23
2070.00    0.581    58.11
2071.00    0.586    57.99
2072.00    0.590    57.86
2073.00    0.595    57.75
2074.00    0.600    57.63
2075.00    0.604    57.51
2076.00    0.609    57.40
2077.00    0.613    57.28
2078.00    0.617    57.17
2079.00    0.622    57.06
2080.00    0.626    56.96
2081.00    0.631    56.85
2082.00    0.635    56.75
2083.00    0.639    56.64
2084.00    0.643    56.54
2085.00    0.648    56.44
2086.00    0.652    56.34
2087.00    0.656    56.24
2088.00    0.660    56.14
2089.00    0.664    56.05
2090.00    0.669    55.95
2091.00    0.673    55.86
2092.00    0.677    55.77
2093.00    0.681    55.68
2094.00    0.685    55.59
2095.00    0.689    55.50
2096.00    0.693    55.41
2097.00    0.697    55.32
2098.00    0.700    55.24
2099.00    0.704    55.15
2100.00    0.708    55.07
2101.00    0.712    54.98
2102.00    0.716    54.90
2103.00    0.720    54.82
2104.00    0.723    54.74
2105.00    0.727    54.66
2106.00    0.731    54.58
2107.00    0.734    54.50
2108.00    0.738    54.43
2109.00    0.742    54.35
2110.00    0.745    54.27
2111.00    0.749    54.20
2112.00    0.752    54.12
2113.00    0.756    54.05
2114.00    0.759    53.98
2115.00    0.763    53.90
2116.00    0.766    53.83
2117.00    0.770    53.76
2118.00    0.773    53.69
2119.00    0.777    53.62
2120.00    0.780    53.55
2121.00    0.783    53.48
2122.00    0.787    53.41
2123.00    0.790    53.35
2124.00    0.793    53.28
2125.00    0.796    53.21
2126.00    0.799    53.15
2127.00    0.803    53.08
2128.00    0.806    53.02
2129.00    0.809    52.95
2130.00    0.812    52.89
2131.00    0.815    52.82
2132.00    0.818    52.76
2133.00    0.821    52.70
2134.00    0.824    52.64
2135.00    0.827    52.58
2136.00    0.830    52.51
2137.00    0.833    52.45
2138.00    0.836    52.39
2139.00    0.839    52.33
2140.00    0.842    52.27
2141.00    0.845    52.21
2142.00    0.848    52.16
2143.00    0.850    52.10
2144.00    0.853    52.04
2145.00    0.856    51.98
2146.00    0.859    51.93
2147.00    0.861    51.87
2148.00    0.864    51.81
2149.00    0.867    51.76
2150.00    0.869    51.70
2151.00    0.872    51.64
2152.00    0.875    51.59
2153.00    0.877    51.53
2154.00    0.880    51.48
2155.00    0.882    51.43
2156.00    0.885    51.37
2157.00    0.887    51.32
2158.00    0.890    51.27
2159.00    0.892    51.21
2160.00    0.895    51.16
2161.00    0.897    51.11
2162.00    0.899    51.06
2163.00    0.902    51.00
2164.00    0.904    50.95
2165.00    0.906    50.90
2166.00    0.909    50.85
2167.00    0.911    50.80
2168.00    0.913    50.75
2169.00    0.915    50.70
2170.00    0.917    50.65
2171.00    0.920    50.60
2172.00    0.922    50.55
2173.00    0.924    50.50
2174.00    0.926    50.45
2175.00    0.928    50.40
2176.00    0.930    50.35
2177.00    0.932    50.31
2178.00    0.934    50.26
2179.00    0.936    50.21
2180.00    0.938    50.16
2181.00    0.940    50.11
2182.00    0.942    50.07
2183.00    0.944    50.02
2184.00    0.946    49.97
2185.00    0.947    49.92
2186.00    0.949    49.88
2187.00    0.951    49.83
2188.00    0.953    49.79
2189.00    0.955    49.74
2190.00    0.956    49.69
2191.00    0.958    49.65
2192.00    0.960    49.60
2193.00    0.961    49.56
2194.00    0.963    49.51
2195.00    0.965    49.47
2196.00    0.966    49.42
2197.00    0.968    49.38
2198.00    0.969    49.33
2199.00    0.971    49.29
2200.00    0.972    49.24
2201.00    0.974    49.20
2202.00    0.975    49.15
2203.00    0.977    49.11
2204.00    0.978    49.06
2205.00    0.979    49.02
2206.00    0.981    48.98
2207.00    0.982    48.93
2208.00    0.983    48.89
2209.00    0.985    48.85
2210.00    0.986    48.80
2211.00    0.987    48.76
2212.00    0.988    48.72
2213.00    0.990    48.67
2214.00    0.991    48.63
2215.00    0.992    48.59
2216.00    0.993    48.55
2217.00    0.994    48.50
2218.00    0.995    48.46
2219.00    0.996    48.42
2220.00    0.997    48.38
2221.00    0.998    48.33
2222.00    0.999    48.29
2223.00    1.000    48.25
2224.00    1.001    48.21
2225.00    1.002    48.17
2226.00    1.003    48.12
2227.00    1.004    48.08
2228.00    1.005    48.04
2229.00    1.005    48.00
2230.00    1.006    47.96
2231.00    1.007    47.92
2232.00    1.008    47.88
2233.00    1.008    47.83
2234.00    1.009    47.79
2235.00    1.010    47.75
2236.00    1.010    47.71
2237.00    1.011    47.67
2238.00    1.012    47.63
2239.00    1.012    47.59
2240.00    1.013    47.55
2241.00    1.013    47.51
2242.00    1.014    47.46
2243.00    1.014    47.42
2244.00    1.014    47.38
2245.00    1.015    47.34
2246.00    1.015    47.30
2247.00    1.016    47.26
2248.00    1.016    47.22
2249.00    1.016    47.18
2250.00    1.017    47.14
2251.00    1.017    47.10
2252.00    1.017    47.06
2253.00    1.017    47.02
2254.00    1.017    46.98
2255.00    1.018    46.94
2256.00    1.018    46.89
2257.00    1.018    46.85
2258.00    1.018    46.81
2259.00    1.018    46.77
2260.00    1.018    46.73
2261.00    1.018    46.69
2262.00    1.018    46.65
2263.00    1.018    46.61
2264.00    1.018    46.57
2265.00    1.018    46.53
2266.00    1.018    46.49
2267.00    1.017    46.45
2268.00    1.017    46.41






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 15:27:16



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