Double Star Calculator - Orbit

Orbital Elements for HU803
WDS: HU803 WDS ID/Discoverer
P: 360.300 Orbital period (years)
a: 0.799 Semi-major axis (arcseconds)
i: 66.5 Inclination (degrees)
Ω: 49.3 Longitude of ascending node (degrees)
T: 2130.120 Epoch of periastron passage (year)
e: 0.465 Eccentricity
ω: 297.7 Longitude of periastron (degrees)
Start-Year: 1844.85 Year
End-Year: 2205.15 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU803
Position: 011503.32+341602.6 Epoch-2000 right ascension and declination
WDS-ID: 01151+3416 WDS designation
Discoverer Code: HU803 Discover designation and components
ADS number: 1005 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 5852 Hipparcos catalog number
V1: 9.12 Magnitude of the primary
V2: 10.02 Magnitude of the secondary
Equinox: Equinox
Date: 2021 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: Lin2022b Reference

Double Star Orbit for HU803



WDS 6th Orbit including measures of HU803

-- 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 HU803
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.918   217.54
--------------------------
1844.85    0.486    89.62
1845.85    0.482    90.58
1846.85    0.479    91.55
1847.85    0.476    92.54
1848.85    0.473    93.54
1849.85    0.469    94.56
1850.85    0.466    95.58
1851.85    0.463    96.63
1852.85    0.460    97.68
1853.85    0.457    98.75
1854.85    0.454    99.84
1855.85    0.452   100.93
1856.85    0.449   102.04
1857.85    0.446   103.17
1858.85    0.444   104.31
1859.85    0.441   105.45
1860.85    0.439   106.62
1861.85    0.437   107.79
1862.85    0.435   108.98
1863.85    0.433   110.17
1864.85    0.431   111.38
1865.85    0.429   112.60
1866.85    0.427   113.83
1867.85    0.426   115.07
1868.85    0.424   116.31
1869.85    0.423   117.57
1870.85    0.422   118.83
1871.85    0.421   120.09
1872.85    0.420   121.37
1873.85    0.420   122.64
1874.85    0.419   123.92
1875.85    0.419   125.21
1876.85    0.418   126.49
1877.85    0.418   127.78
1878.85    0.418   129.07
1879.85    0.419   130.35
1880.85    0.419   131.64
1881.85    0.420   132.92
1882.85    0.420   134.19
1883.85    0.421   135.47
1884.85    0.422   136.73
1885.85    0.423   138.00
1886.85    0.424   139.25
1887.85    0.426   140.50
1888.85    0.427   141.73
1889.85    0.429   142.96
1890.85    0.431   144.18
1891.85    0.433   145.38
1892.85    0.435   146.58
1893.85    0.437   147.76
1894.85    0.440   148.93
1895.85    0.442   150.09
1896.85    0.445   151.24
1897.85    0.448   152.37
1898.85    0.451   153.48
1899.85    0.454   154.58
1900.85    0.457   155.67
1901.85    0.460   156.74
1902.85    0.463   157.80
1903.85    0.467   158.84
1904.85    0.470   159.87
1905.85    0.474   160.88
1906.85    0.478   161.87
1907.85    0.482   162.85
1908.85    0.485   163.81
1909.85    0.489   164.76
1910.85    0.493   165.69
1911.85    0.498   166.61
1912.85    0.502   167.51
1913.85    0.506   168.40
1914.85    0.510   169.27
1915.85    0.515   170.13
1916.85    0.519   170.97
1917.85    0.524   171.80
1918.85    0.528   172.61
1919.85    0.533   173.41
1920.85    0.538   174.20
1921.85    0.543   174.97
1922.85    0.547   175.73
1923.85    0.552   176.47
1924.85    0.557   177.20
1925.85    0.562   177.92
1926.85    0.567   178.63
1927.85    0.572   179.33
1928.85    0.577   180.01
1929.85    0.582   180.68
1930.85    0.587   181.34
1931.85    0.592   181.99
1932.85    0.597   182.63
1933.85    0.602   183.26
1934.85    0.607   183.87
1935.85    0.612   184.48
1936.85    0.617   185.08
1937.85    0.622   185.66
1938.85    0.627   186.24
1939.85    0.632   186.81
1940.85    0.637   187.37
1941.85    0.642   187.92
1942.85    0.647   188.46
1943.85    0.652   188.99
1944.85    0.657   189.52
1945.85    0.663   190.03
1946.85    0.668   190.54
1947.85    0.673   191.04
1948.85    0.678   191.54
1949.85    0.683   192.03
1950.85    0.688   192.50
1951.85    0.693   192.98
1952.85    0.698   193.44
1953.85    0.702   193.90
1954.85    0.707   194.36
1955.85    0.712   194.80
1956.85    0.717   195.24
1957.85    0.722   195.68
1958.85    0.727   196.11
1959.85    0.731   196.53
1960.85    0.736   196.95
1961.85    0.741   197.36
1962.85    0.746   197.77
1963.85    0.750   198.17
1964.85    0.755   198.57
1965.85    0.759   198.96
1966.85    0.764   199.35
1967.85    0.768   199.74
1968.85    0.773   200.11
1969.85    0.777   200.49
1970.85    0.781   200.86
1971.85    0.786   201.23
1972.85    0.790   201.59
1973.85    0.794   201.95
1974.85    0.798   202.30
1975.85    0.803   202.66
1976.85    0.807   203.00
1977.85    0.811   203.35
1978.85    0.815   203.69
1979.85    0.818   204.03
1980.85    0.822   204.36
1981.85    0.826   204.69
1982.85    0.830   205.02
1983.85    0.833   205.35
1984.85    0.837   205.67
1985.85    0.841   205.99
1986.85    0.844   206.31
1987.85    0.847   206.62
1988.85    0.851   206.93
1989.85    0.854   207.24
1990.85    0.857   207.55
1991.85    0.860   207.86
1992.85    0.863   208.16
1993.85    0.866   208.46
1994.85    0.869   208.76
1995.85    0.872   209.06
1996.85    0.875   209.35
1997.85    0.878   209.64
1998.85    0.880   209.94
1999.85    0.883   210.23
2000.85    0.885   210.51
2001.85    0.888   210.80
2002.85    0.890   211.09
2003.85    0.892   211.37
2004.85    0.895   211.65
2005.85    0.897   211.93
2006.85    0.899   212.21
2007.85    0.900   212.49
2008.85    0.902   212.77
2009.85    0.904   213.04
2010.85    0.906   213.32
2011.85    0.907   213.59
2012.85    0.909   213.87
2013.85    0.910   214.14
2014.85    0.911   214.41
2015.85    0.912   214.68
2016.85    0.913   214.95
2017.85    0.914   215.22
2018.85    0.915   215.49
2019.85    0.916   215.76
2020.85    0.916   216.03
2021.85    0.917   216.29
2022.85    0.917   216.56
2023.85    0.918   216.83
2024.85    0.918   217.10
2025.85    0.918   217.36
2026.85    0.918   217.63
2027.85    0.918   217.90
2028.85    0.917   218.17
2029.85    0.917   218.43
2030.85    0.916   218.70
2031.85    0.916   218.97
2032.85    0.915   219.24
2033.85    0.914   219.51
2034.85    0.913   219.78
2035.85    0.912   220.05
2036.85    0.910   220.32
2037.85    0.909   220.59
2038.85    0.907   220.87
2039.85    0.906   221.14
2040.85    0.904   221.41
2041.85    0.902   221.69
2042.85    0.900   221.97
2043.85    0.897   222.25
2044.85    0.895   222.53
2045.85    0.892   222.81
2046.85    0.890   223.09
2047.85    0.887   223.38
2048.85    0.884   223.67
2049.85    0.880   223.96
2050.85    0.877   224.25
2051.85    0.873   224.54
2052.85    0.870   224.84
2053.85    0.866   225.14
2054.85    0.862   225.44
2055.85    0.857   225.74
2056.85    0.853   226.05
2057.85    0.848   226.36
2058.85    0.844   226.68
2059.85    0.839   227.00
2060.85    0.833   227.32
2061.85    0.828   227.64
2062.85    0.822   227.97
2063.85    0.817   228.31
2064.85    0.811   228.65
2065.85    0.804   228.99
2066.85    0.798   229.35
2067.85    0.791   229.70
2068.85    0.785   230.06
2069.85    0.778   230.43
2070.85    0.770   230.81
2071.85    0.763   231.19
2072.85    0.755   231.58
2073.85    0.747   231.98
2074.85    0.739   232.39
2075.85    0.730   232.81
2076.85    0.722   233.23
2077.85    0.713   233.67
2078.85    0.704   234.12
2079.85    0.694   234.58
2080.85    0.685   235.06
2081.85    0.675   235.54
2082.85    0.664   236.05
2083.85    0.654   236.56
2084.85    0.643   237.10
2085.85    0.632   237.65
2086.85    0.621   238.23
2087.85    0.609   238.82
2088.85    0.598   239.44
2089.85    0.586   240.08
2090.85    0.573   240.75
2091.85    0.561   241.45
2092.85    0.548   242.19
2093.85    0.534   242.96
2094.85    0.521   243.76
2095.85    0.507   244.62
2096.85    0.493   245.52
2097.85    0.479   246.47
2098.85    0.465   247.48
2099.85    0.450   248.56
2100.85    0.435   249.71
2101.85    0.420   250.94
2102.85    0.405   252.26
2103.85    0.389   253.69
2104.85    0.374   255.24
2105.85    0.358   256.92
2106.85    0.342   258.76
2107.85    0.327   260.77
2108.85    0.311   262.99
2109.85    0.295   265.44
2110.85    0.280   268.16
2111.85    0.265   271.19
2112.85    0.251   274.58
2113.85    0.237   278.37
2114.85    0.224   282.62
2115.85    0.212   287.37
2116.85    0.201   292.66
2117.85    0.192   298.49
2118.85    0.185   304.84
2119.85    0.180   311.63
2120.85    0.177   318.72
2121.85    0.177   325.94
2122.85    0.179   333.08
2123.85    0.183   339.96
2124.85    0.190   346.44
2125.85    0.199   352.41
2126.85    0.209   357.85
2127.85    0.220     2.75
2128.85    0.233     7.15
2129.85    0.246    11.09
2130.85    0.260    14.62
2131.85    0.274    17.79
2132.85    0.288    20.64
2133.85    0.303    23.23
2134.85    0.317    25.58
2135.85    0.331    27.72
2136.85    0.345    29.69
2137.85    0.359    31.50
2138.85    0.373    33.19
2139.85    0.386    34.75
2140.85    0.398    36.22
2141.85    0.411    37.59
2142.85    0.423    38.89
2143.85    0.434    40.12
2144.85    0.445    41.29
2145.85    0.455    42.40
2146.85    0.465    43.46
2147.85    0.474    44.48
2148.85    0.483    45.47
2149.85    0.491    46.41
2150.85    0.499    47.33
2151.85    0.506    48.22
2152.85    0.513    49.09
2153.85    0.520    49.93
2154.85    0.526    50.76
2155.85    0.531    51.56
2156.85    0.536    52.36
2157.85    0.541    53.13
2158.85    0.545    53.90
2159.85    0.549    54.65
2160.85    0.552    55.39
2161.85    0.555    56.13
2162.85    0.558    56.86
2163.85    0.560    57.58
2164.85    0.562    58.29
2165.85    0.563    59.01
2166.85    0.565    59.71
2167.85    0.566    60.42
2168.85    0.566    61.12
2169.85    0.567    61.82
2170.85    0.567    62.52
2171.85    0.567    63.22
2172.85    0.567    63.92
2173.85    0.566    64.62
2174.85    0.566    65.33
2175.85    0.565    66.03
2176.85    0.564    66.74
2177.85    0.562    67.45
2178.85    0.561    68.16
2179.85    0.559    68.88
2180.85    0.557    69.61
2181.85    0.555    70.33
2182.85    0.553    71.07
2183.85    0.551    71.81
2184.85    0.549    72.55
2185.85    0.546    73.30
2186.85    0.543    74.06
2187.85    0.541    74.83
2188.85    0.538    75.60
2189.85    0.535    76.38
2190.85    0.532    77.17
2191.85    0.529    77.97
2192.85    0.526    78.78
2193.85    0.523    79.60
2194.85    0.520    80.43
2195.85    0.517    81.27
2196.85    0.513    82.12
2197.85    0.510    82.98
2198.85    0.507    83.85
2199.85    0.503    84.73
2200.85    0.500    85.63
2201.85    0.497    86.53
2202.85    0.493    87.45
2203.85    0.490    88.38
2204.85    0.487    89.33






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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 14:48:55



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