Double Star Calculator - Orbit

Orbital Elements for HU1012
WDS: HU1012 WDS ID/Discoverer
P: 580.000 Orbital period (years)
a: 1.17 Semi-major axis (arcseconds)
i: 108.3 Inclination (degrees)
Ω: 38.8 Longitude of ascending node (degrees)
T: 1875.000 Epoch of periastron passage (year)
e: 0.687 Eccentricity
ω: 121.1 Longitude of periastron (degrees)
Start-Year: 1735.0 Year
End-Year: 2315.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1012
Position: 004303.47+765925.5 Epoch-2000 right ascension and declination
WDS-ID: 00431+7659 WDS designation
Discoverer Code: HU1012 Discover designation and components
ADS number: 584 Aitken Double Star catalog
HD number: 3871 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.83 Magnitude of the primary
V2: 9.71 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1995 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: USN2002 Reference

Double Star Orbit for HU1012



WDS 6th Orbit including measures of HU1012

-- 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 HU1012
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.543   109.43
--------------------------
1735.00    1.374    49.63
1736.00    1.373    49.53
1737.00    1.371    49.43
1738.00    1.369    49.33
1739.00    1.367    49.22
1740.00    1.365    49.12
1741.00    1.363    49.01
1742.00    1.361    48.91
1743.00    1.359    48.80
1744.00    1.357    48.70
1745.00    1.354    48.59
1746.00    1.352    48.49
1747.00    1.350    48.38
1748.00    1.347    48.28
1749.00    1.345    48.17
1750.00    1.342    48.06
1751.00    1.339    47.95
1752.00    1.336    47.84
1753.00    1.334    47.74
1754.00    1.331    47.63
1755.00    1.328    47.52
1756.00    1.325    47.41
1757.00    1.321    47.30
1758.00    1.318    47.18
1759.00    1.315    47.07
1760.00    1.312    46.96
1761.00    1.308    46.85
1762.00    1.305    46.73
1763.00    1.301    46.62
1764.00    1.297    46.50
1765.00    1.294    46.39
1766.00    1.290    46.27
1767.00    1.286    46.16
1768.00    1.282    46.04
1769.00    1.278    45.92
1770.00    1.273    45.80
1771.00    1.269    45.68
1772.00    1.265    45.56
1773.00    1.260    45.44
1774.00    1.256    45.32
1775.00    1.251    45.19
1776.00    1.246    45.07
1777.00    1.241    44.94
1778.00    1.236    44.82
1779.00    1.231    44.69
1780.00    1.226    44.56
1781.00    1.221    44.43
1782.00    1.215    44.30
1783.00    1.210    44.17
1784.00    1.204    44.04
1785.00    1.198    43.90
1786.00    1.193    43.77
1787.00    1.187    43.63
1788.00    1.181    43.49
1789.00    1.175    43.35
1790.00    1.168    43.21
1791.00    1.162    43.07
1792.00    1.155    42.92
1793.00    1.149    42.78
1794.00    1.142    42.63
1795.00    1.135    42.48
1796.00    1.128    42.33
1797.00    1.121    42.17
1798.00    1.113    42.02
1799.00    1.106    41.86
1800.00    1.098    41.70
1801.00    1.091    41.54
1802.00    1.083    41.38
1803.00    1.075    41.21
1804.00    1.067    41.04
1805.00    1.058    40.87
1806.00    1.050    40.69
1807.00    1.041    40.52
1808.00    1.033    40.34
1809.00    1.024    40.15
1810.00    1.014    39.97
1811.00    1.005    39.78
1812.00    0.996    39.58
1813.00    0.986    39.38
1814.00    0.976    39.18
1815.00    0.966    38.98
1816.00    0.956    38.77
1817.00    0.946    38.55
1818.00    0.935    38.33
1819.00    0.924    38.11
1820.00    0.913    37.88
1821.00    0.902    37.64
1822.00    0.891    37.40
1823.00    0.879    37.16
1824.00    0.867    36.90
1825.00    0.855    36.64
1826.00    0.843    36.37
1827.00    0.830    36.09
1828.00    0.817    35.81
1829.00    0.804    35.51
1830.00    0.791    35.21
1831.00    0.778    34.89
1832.00    0.764    34.57
1833.00    0.750    34.23
1834.00    0.735    33.88
1835.00    0.720    33.51
1836.00    0.706    33.13
1837.00    0.690    32.73
1838.00    0.675    32.32
1839.00    0.659    31.88
1840.00    0.643    31.42
1841.00    0.626    30.94
1842.00    0.609    30.43
1843.00    0.592    29.89
1844.00    0.574    29.32
1845.00    0.557    28.72
1846.00    0.538    28.07
1847.00    0.520    27.38
1848.00    0.501    26.63
1849.00    0.481    25.83
1850.00    0.462    24.96
1851.00    0.442    24.01
1852.00    0.421    22.96
1853.00    0.401    21.82
1854.00    0.380    20.54
1855.00    0.358    19.12
1856.00    0.337    17.51
1857.00    0.315    15.68
1858.00    0.293    13.58
1859.00    0.271    11.14
1860.00    0.249     8.27
1861.00    0.228     4.85
1862.00    0.206     0.73
1863.00    0.186   355.68
1864.00    0.167   349.45
1865.00    0.150   341.72
1866.00    0.136   332.24
1867.00    0.127   320.96
1868.00    0.122   308.33
1869.00    0.123   295.34
1870.00    0.130   283.18
1871.00    0.142   272.61
1872.00    0.157   263.86
1873.00    0.174   256.76
1874.00    0.193   251.00
1875.00    0.213   246.30
1876.00    0.234   242.40
1877.00    0.254   239.13
1878.00    0.274   236.34
1879.00    0.293   233.93
1880.00    0.312   231.82
1881.00    0.331   229.94
1882.00    0.348   228.26
1883.00    0.365   226.73
1884.00    0.381   225.34
1885.00    0.395   224.05
1886.00    0.409   222.85
1887.00    0.423   221.73
1888.00    0.435   220.68
1889.00    0.446   219.68
1890.00    0.457   218.73
1891.00    0.467   217.82
1892.00    0.476   216.94
1893.00    0.484   216.10
1894.00    0.492   215.29
1895.00    0.499   214.50
1896.00    0.505   213.73
1897.00    0.511   212.98
1898.00    0.516   212.24
1899.00    0.521   211.52
1900.00    0.525   210.81
1901.00    0.529   210.12
1902.00    0.533   209.43
1903.00    0.536   208.75
1904.00    0.538   208.08
1905.00    0.541   207.41
1906.00    0.543   206.75
1907.00    0.544   206.10
1908.00    0.546   205.44
1909.00    0.547   204.79
1910.00    0.548   204.15
1911.00    0.548   203.50
1912.00    0.548   202.85
1913.00    0.549   202.21
1914.00    0.548   201.57
1915.00    0.548   200.92
1916.00    0.548   200.28
1917.00    0.547   199.63
1918.00    0.546   198.98
1919.00    0.545   198.33
1920.00    0.544   197.68
1921.00    0.543   197.02
1922.00    0.542   196.36
1923.00    0.541   195.70
1924.00    0.539   195.04
1925.00    0.537   194.37
1926.00    0.536   193.69
1927.00    0.534   193.02
1928.00    0.532   192.33
1929.00    0.530   191.65
1930.00    0.528   190.95
1931.00    0.526   190.26
1932.00    0.524   189.56
1933.00    0.522   188.85
1934.00    0.520   188.13
1935.00    0.518   187.41
1936.00    0.516   186.69
1937.00    0.514   185.96
1938.00    0.511   185.22
1939.00    0.509   184.47
1940.00    0.507   183.72
1941.00    0.505   182.97
1942.00    0.502   182.20
1943.00    0.500   181.43
1944.00    0.498   180.65
1945.00    0.496   179.87
1946.00    0.494   179.08
1947.00    0.491   178.28
1948.00    0.489   177.47
1949.00    0.487   176.66
1950.00    0.485   175.84
1951.00    0.483   175.01
1952.00    0.481   174.18
1953.00    0.479   173.33
1954.00    0.477   172.49
1955.00    0.475   171.63
1956.00    0.473   170.77
1957.00    0.472   169.90
1958.00    0.470   169.03
1959.00    0.468   168.15
1960.00    0.467   167.26
1961.00    0.465   166.37
1962.00    0.464   165.47
1963.00    0.462   164.56
1964.00    0.461   163.65
1965.00    0.460   162.74
1966.00    0.458   161.82
1967.00    0.457   160.89
1968.00    0.456   159.96
1969.00    0.455   159.03
1970.00    0.454   158.09
1971.00    0.453   157.15
1972.00    0.453   156.20
1973.00    0.452   155.26
1974.00    0.451   154.31
1975.00    0.451   153.35
1976.00    0.451   152.40
1977.00    0.450   151.44
1978.00    0.450   150.49
1979.00    0.450   149.53
1980.00    0.450   148.57
1981.00    0.450   147.62
1982.00    0.450   146.66
1983.00    0.450   145.70
1984.00    0.451   144.75
1985.00    0.451   143.79
1986.00    0.452   142.84
1987.00    0.452   141.89
1988.00    0.453   140.95
1989.00    0.454   140.00
1990.00    0.455   139.07
1991.00    0.456   138.13
1992.00    0.457   137.20
1993.00    0.458   136.27
1994.00    0.459   135.35
1995.00    0.461   134.43
1996.00    0.462   133.52
1997.00    0.464   132.62
1998.00    0.465   131.72
1999.00    0.467   130.83
2000.00    0.469   129.94
2001.00    0.471   129.06
2002.00    0.473   128.19
2003.00    0.475   127.32
2004.00    0.477   126.47
2005.00    0.479   125.62
2006.00    0.481   124.78
2007.00    0.484   123.94
2008.00    0.486   123.12
2009.00    0.488   122.30
2010.00    0.491   121.49
2011.00    0.494   120.69
2012.00    0.496   119.90
2013.00    0.499   119.12
2014.00    0.502   118.35
2015.00    0.505   117.58
2016.00    0.508   116.83
2017.00    0.511   116.08
2018.00    0.514   115.34
2019.00    0.517   114.61
2020.00    0.521   113.89
2021.00    0.524   113.18
2022.00    0.527   112.48
2023.00    0.531   111.79
2024.00    0.534   111.10
2025.00    0.538   110.43
2026.00    0.541   109.76
2027.00    0.545   109.11
2028.00    0.549   108.46
2029.00    0.552   107.82
2030.00    0.556   107.19
2031.00    0.560   106.56
2032.00    0.564   105.95
2033.00    0.567   105.34
2034.00    0.571   104.74
2035.00    0.575   104.15
2036.00    0.579   103.57
2037.00    0.583   103.00
2038.00    0.587   102.43
2039.00    0.592   101.88
2040.00    0.596   101.33
2041.00    0.600   100.78
2042.00    0.604   100.25
2043.00    0.608    99.72
2044.00    0.613    99.20
2045.00    0.617    98.69
2046.00    0.621    98.18
2047.00    0.625    97.68
2048.00    0.630    97.19
2049.00    0.634    96.70
2050.00    0.639    96.23
2051.00    0.643    95.75
2052.00    0.647    95.29
2053.00    0.652    94.83
2054.00    0.656    94.38
2055.00    0.661    93.93
2056.00    0.665    93.49
2057.00    0.670    93.05
2058.00    0.675    92.62
2059.00    0.679    92.20
2060.00    0.684    91.78
2061.00    0.688    91.37
2062.00    0.693    90.96
2063.00    0.697    90.56
2064.00    0.702    90.17
2065.00    0.707    89.78
2066.00    0.711    89.39
2067.00    0.716    89.01
2068.00    0.721    88.63
2069.00    0.725    88.26
2070.00    0.730    87.90
2071.00    0.735    87.54
2072.00    0.739    87.18
2073.00    0.744    86.83
2074.00    0.749    86.48
2075.00    0.754    86.14
2076.00    0.758    85.80
2077.00    0.763    85.46
2078.00    0.768    85.13
2079.00    0.772    84.80
2080.00    0.777    84.48
2081.00    0.782    84.16
2082.00    0.787    83.85
2083.00    0.791    83.53
2084.00    0.796    83.23
2085.00    0.801    82.92
2086.00    0.805    82.62
2087.00    0.810    82.32
2088.00    0.815    82.03
2089.00    0.820    81.74
2090.00    0.824    81.45
2091.00    0.829    81.17
2092.00    0.834    80.89
2093.00    0.839    80.61
2094.00    0.843    80.34
2095.00    0.848    80.07
2096.00    0.853    79.80
2097.00    0.857    79.53
2098.00    0.862    79.27
2099.00    0.867    79.01
2100.00    0.871    78.76
2101.00    0.876    78.50
2102.00    0.881    78.25
2103.00    0.885    78.00
2104.00    0.890    77.76
2105.00    0.895    77.51
2106.00    0.899    77.27
2107.00    0.904    77.03
2108.00    0.908    76.80
2109.00    0.913    76.56
2110.00    0.918    76.33
2111.00    0.922    76.10
2112.00    0.927    75.88
2113.00    0.931    75.65
2114.00    0.936    75.43
2115.00    0.940    75.21
2116.00    0.945    74.99
2117.00    0.950    74.77
2118.00    0.954    74.56
2119.00    0.959    74.35
2120.00    0.963    74.14
2121.00    0.967    73.93
2122.00    0.972    73.72
2123.00    0.976    73.52
2124.00    0.981    73.32
2125.00    0.985    73.12
2126.00    0.990    72.92
2127.00    0.994    72.72
2128.00    0.998    72.52
2129.00    1.003    72.33
2130.00    1.007    72.14
2131.00    1.012    71.95
2132.00    1.016    71.76
2133.00    1.020    71.57
2134.00    1.024    71.39
2135.00    1.029    71.20
2136.00    1.033    71.02
2137.00    1.037    70.84
2138.00    1.042    70.66
2139.00    1.046    70.48
2140.00    1.050    70.31
2141.00    1.054    70.13
2142.00    1.058    69.96
2143.00    1.062    69.79
2144.00    1.067    69.61
2145.00    1.071    69.44
2146.00    1.075    69.28
2147.00    1.079    69.11
2148.00    1.083    68.94
2149.00    1.087    68.78
2150.00    1.091    68.61
2151.00    1.095    68.45
2152.00    1.099    68.29
2153.00    1.103    68.13
2154.00    1.107    67.97
2155.00    1.111    67.82
2156.00    1.115    67.66
2157.00    1.119    67.50
2158.00    1.123    67.35
2159.00    1.127    67.20
2160.00    1.130    67.04
2161.00    1.134    66.89
2162.00    1.138    66.74
2163.00    1.142    66.59
2164.00    1.146    66.44
2165.00    1.149    66.30
2166.00    1.153    66.15
2167.00    1.157    66.01
2168.00    1.160    65.86
2169.00    1.164    65.72
2170.00    1.168    65.58
2171.00    1.171    65.43
2172.00    1.175    65.29
2173.00    1.179    65.15
2174.00    1.182    65.01
2175.00    1.186    64.88
2176.00    1.189    64.74
2177.00    1.193    64.60
2178.00    1.196    64.47
2179.00    1.200    64.33
2180.00    1.203    64.20
2181.00    1.206    64.06
2182.00    1.210    63.93
2183.00    1.213    63.80
2184.00    1.216    63.67
2185.00    1.220    63.54
2186.00    1.223    63.41
2187.00    1.226    63.28
2188.00    1.230    63.15
2189.00    1.233    63.02
2190.00    1.236    62.89
2191.00    1.239    62.77
2192.00    1.242    62.64
2193.00    1.245    62.51
2194.00    1.248    62.39
2195.00    1.252    62.27
2196.00    1.255    62.14
2197.00    1.258    62.02
2198.00    1.261    61.90
2199.00    1.264    61.78
2200.00    1.266    61.65
2201.00    1.269    61.53
2202.00    1.272    61.41
2203.00    1.275    61.29
2204.00    1.278    61.18
2205.00    1.281    61.06
2206.00    1.283    60.94
2207.00    1.286    60.82
2208.00    1.289    60.70
2209.00    1.292    60.59
2210.00    1.294    60.47
2211.00    1.297    60.36
2212.00    1.300    60.24
2213.00    1.302    60.13
2214.00    1.305    60.01
2215.00    1.307    59.90
2216.00    1.310    59.79
2217.00    1.312    59.67
2218.00    1.315    59.56
2219.00    1.317    59.45
2220.00    1.319    59.34
2221.00    1.322    59.23
2222.00    1.324    59.12
2223.00    1.326    59.00
2224.00    1.329    58.89
2225.00    1.331    58.79
2226.00    1.333    58.68
2227.00    1.335    58.57
2228.00    1.337    58.46
2229.00    1.339    58.35
2230.00    1.341    58.24
2231.00    1.343    58.13
2232.00    1.345    58.03
2233.00    1.347    57.92
2234.00    1.349    57.81
2235.00    1.351    57.71
2236.00    1.353    57.60
2237.00    1.355    57.50
2238.00    1.357    57.39
2239.00    1.358    57.29
2240.00    1.360    57.18
2241.00    1.362    57.08
2242.00    1.364    56.97
2243.00    1.365    56.87
2244.00    1.367    56.76
2245.00    1.368    56.66
2246.00    1.370    56.56
2247.00    1.371    56.45
2248.00    1.373    56.35
2249.00    1.374    56.25
2250.00    1.376    56.14
2251.00    1.377    56.04
2252.00    1.378    55.94
2253.00    1.380    55.84
2254.00    1.381    55.74
2255.00    1.382    55.63
2256.00    1.383    55.53
2257.00    1.384    55.43
2258.00    1.385    55.33
2259.00    1.387    55.23
2260.00    1.388    55.13
2261.00    1.389    55.03
2262.00    1.389    54.93
2263.00    1.390    54.83
2264.00    1.391    54.73
2265.00    1.392    54.63
2266.00    1.393    54.53
2267.00    1.394    54.43
2268.00    1.394    54.33
2269.00    1.395    54.23
2270.00    1.395    54.13
2271.00    1.396    54.03
2272.00    1.397    53.93
2273.00    1.397    53.83
2274.00    1.397    53.73
2275.00    1.398    53.63
2276.00    1.398    53.53
2277.00    1.399    53.43
2278.00    1.399    53.33
2279.00    1.399    53.24
2280.00    1.399    53.14
2281.00    1.399    53.04
2282.00    1.399    52.94
2283.00    1.399    52.84
2284.00    1.399    52.74
2285.00    1.399    52.64
2286.00    1.399    52.54
2287.00    1.399    52.44
2288.00    1.399    52.34
2289.00    1.399    52.25
2290.00    1.398    52.15
2291.00    1.398    52.05
2292.00    1.398    51.95
2293.00    1.397    51.85
2294.00    1.397    51.75
2295.00    1.396    51.65
2296.00    1.396    51.55
2297.00    1.395    51.45
2298.00    1.394    51.35
2299.00    1.394    51.25
2300.00    1.393    51.15
2301.00    1.392    51.05
2302.00    1.391    50.95
2303.00    1.390    50.85
2304.00    1.389    50.75
2305.00    1.388    50.65
2306.00    1.387    50.55
2307.00    1.386    50.45
2308.00    1.385    50.35
2309.00    1.383    50.25
2310.00    1.382    50.14
2311.00    1.380    50.04
2312.00    1.379    49.94
2313.00    1.377    49.84
2314.00    1.376    49.74






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 14:42:18



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