Double Star Calculator - Orbit

Orbital Elements for HU1325
WDS: HU1325 WDS ID/Discoverer
P: 303.700 Orbital period (years)
a: 0.96 Semi-major axis (arcseconds)
i: 29.3 Inclination (degrees)
Ω: 148.1 Longitude of ascending node (degrees)
T: 1957.370 Epoch of periastron passage (year)
e: 0.402 Eccentricity
ω: 133.8 Longitude of periastron (degrees)
Start-Year: 1873.15 Year
End-Year: 2176.85 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HU1325
Position: 234006.04+125804.5 Epoch-2000 right ascension and declination
WDS-ID: 23401+1258 WDS designation
Discoverer Code: HU1325 Discover designation and components
ADS number: 16194 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 116787 Hipparcos catalog number
V1: 9.81 Magnitude of the primary
V2: 10.01 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 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: Sca2023d Reference

Double Star Orbit for HU1325



WDS 6th Orbit including measures of HU1325

-- 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 HU1325
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.925    46.62
--------------------------
1873.15    1.151   143.96
1874.15    1.145   144.63
1875.15    1.140   145.29
1876.15    1.134   145.97
1877.15    1.128   146.65
1878.15    1.122   147.34
1879.15    1.116   148.04
1880.15    1.109   148.74
1881.15    1.103   149.45
1882.15    1.096   150.18
1883.15    1.089   150.91
1884.15    1.083   151.65
1885.15    1.076   152.39
1886.15    1.068   153.15
1887.15    1.061   153.92
1888.15    1.054   154.70
1889.15    1.046   155.50
1890.15    1.038   156.30
1891.15    1.030   157.11
1892.15    1.022   157.94
1893.15    1.014   158.78
1894.15    1.006   159.64
1895.15    0.997   160.51
1896.15    0.989   161.39
1897.15    0.980   162.29
1898.15    0.971   163.21
1899.15    0.962   164.14
1900.15    0.953   165.09
1901.15    0.944   166.06
1902.15    0.934   167.05
1903.15    0.925   168.06
1904.15    0.915   169.09
1905.15    0.905   170.15
1906.15    0.896   171.22
1907.15    0.886   172.32
1908.15    0.875   173.45
1909.15    0.865   174.60
1910.15    0.855   175.78
1911.15    0.844   176.99
1912.15    0.834   178.23
1913.15    0.823   179.50
1914.15    0.813   180.80
1915.15    0.802   182.14
1916.15    0.791   183.52
1917.15    0.780   184.93
1918.15    0.769   186.38
1919.15    0.758   187.88
1920.15    0.747   189.42
1921.15    0.736   191.00
1922.15    0.725   192.64
1923.15    0.714   194.32
1924.15    0.703   196.06
1925.15    0.693   197.85
1926.15    0.682   199.69
1927.15    0.671   201.60
1928.15    0.661   203.57
1929.15    0.650   205.60
1930.15    0.640   207.69
1931.15    0.630   209.85
1932.15    0.621   212.08
1933.15    0.611   214.38
1934.15    0.602   216.75
1935.15    0.593   219.20
1936.15    0.585   221.71
1937.15    0.577   224.30
1938.15    0.569   226.96
1939.15    0.562   229.69
1940.15    0.555   232.48
1941.15    0.549   235.34
1942.15    0.544   238.26
1943.15    0.539   241.24
1944.15    0.535   244.27
1945.15    0.531   247.34
1946.15    0.528   250.46
1947.15    0.525   253.61
1948.15    0.524   256.78
1949.15    0.523   259.96
1950.15    0.522   263.16
1951.15    0.523   266.36
1952.15    0.523   269.55
1953.15    0.525   272.72
1954.15    0.527   275.88
1955.15    0.530   279.00
1956.15    0.533   282.10
1957.15    0.536   285.15
1958.15    0.540   288.16
1959.15    0.545   291.13
1960.15    0.549   294.04
1961.15    0.554   296.91
1962.15    0.560   299.72
1963.15    0.565   302.48
1964.15    0.571   305.18
1965.15    0.577   307.83
1966.15    0.583   310.42
1967.15    0.589   312.96
1968.15    0.595   315.45
1969.15    0.602   317.88
1970.15    0.608   320.27
1971.15    0.614   322.60
1972.15    0.621   324.89
1973.15    0.627   327.13
1974.15    0.633   329.33
1975.15    0.639   331.48
1976.15    0.646   333.60
1977.15    0.652   335.67
1978.15    0.658   337.70
1979.15    0.664   339.70
1980.15    0.670   341.66
1981.15    0.676   343.59
1982.15    0.682   345.48
1983.15    0.688   347.34
1984.15    0.694   349.16
1985.15    0.700   350.96
1986.15    0.705   352.73
1987.15    0.711   354.47
1988.15    0.717   356.18
1989.15    0.722   357.87
1990.15    0.728   359.53
1991.15    0.733     1.16
1992.15    0.739     2.77
1993.15    0.744     4.36
1994.15    0.750     5.92
1995.15    0.755     7.46
1996.15    0.761     8.98
1997.15    0.766    10.48
1998.15    0.772    11.95
1999.15    0.777    13.41
2000.15    0.782    14.84
2001.15    0.788    16.26
2002.15    0.793    17.65
2003.15    0.799    19.03
2004.15    0.804    20.39
2005.15    0.809    21.73
2006.15    0.815    23.05
2007.15    0.820    24.36
2008.15    0.825    25.64
2009.15    0.831    26.92
2010.15    0.836    28.17
2011.15    0.842    29.41
2012.15    0.847    30.64
2013.15    0.852    31.84
2014.15    0.858    33.04
2015.15    0.863    34.21
2016.15    0.869    35.38
2017.15    0.874    36.53
2018.15    0.879    37.66
2019.15    0.885    38.78
2020.15    0.890    39.89
2021.15    0.896    40.98
2022.15    0.901    42.07
2023.15    0.906    43.13
2024.15    0.912    44.19
2025.15    0.917    45.23
2026.15    0.923    46.26
2027.15    0.928    47.28
2028.15    0.933    48.29
2029.15    0.939    49.28
2030.15    0.944    50.27
2031.15    0.950    51.24
2032.15    0.955    52.20
2033.15    0.960    53.15
2034.15    0.966    54.10
2035.15    0.971    55.03
2036.15    0.976    55.95
2037.15    0.981    56.86
2038.15    0.987    57.76
2039.15    0.992    58.65
2040.15    0.997    59.53
2041.15    1.002    60.40
2042.15    1.008    61.27
2043.15    1.013    62.12
2044.15    1.018    62.97
2045.15    1.023    63.80
2046.15    1.028    64.63
2047.15    1.033    65.45
2048.15    1.038    66.27
2049.15    1.043    67.07
2050.15    1.048    67.87
2051.15    1.053    68.66
2052.15    1.058    69.44
2053.15    1.063    70.22
2054.15    1.068    70.98
2055.15    1.073    71.75
2056.15    1.078    72.50
2057.15    1.083    73.25
2058.15    1.087    73.99
2059.15    1.092    74.72
2060.15    1.097    75.45
2061.15    1.101    76.17
2062.15    1.106    76.89
2063.15    1.110    77.60
2064.15    1.115    78.30
2065.15    1.119    79.00
2066.15    1.124    79.70
2067.15    1.128    80.38
2068.15    1.133    81.07
2069.15    1.137    81.74
2070.15    1.141    82.42
2071.15    1.145    83.08
2072.15    1.149    83.75
2073.15    1.153    84.41
2074.15    1.157    85.06
2075.15    1.161    85.71
2076.15    1.165    86.35
2077.15    1.169    86.99
2078.15    1.173    87.63
2079.15    1.177    88.26
2080.15    1.180    88.89
2081.15    1.184    89.51
2082.15    1.188    90.13
2083.15    1.191    90.75
2084.15    1.195    91.36
2085.15    1.198    91.97
2086.15    1.201    92.58
2087.15    1.204    93.18
2088.15    1.208    93.78
2089.15    1.211    94.38
2090.15    1.214    94.97
2091.15    1.217    95.56
2092.15    1.220    96.15
2093.15    1.223    96.74
2094.15    1.226    97.32
2095.15    1.228    97.90
2096.15    1.231    98.47
2097.15    1.234    99.05
2098.15    1.236    99.62
2099.15    1.239   100.19
2100.15    1.241   100.76
2101.15    1.243   101.32
2102.15    1.245   101.89
2103.15    1.248   102.45
2104.15    1.250   103.01
2105.15    1.252   103.56
2106.15    1.254   104.12
2107.15    1.256   104.67
2108.15    1.257   105.23
2109.15    1.259   105.78
2110.15    1.261   106.33
2111.15    1.262   106.88
2112.15    1.264   107.42
2113.15    1.265   107.97
2114.15    1.266   108.51
2115.15    1.268   109.06
2116.15    1.269   109.60
2117.15    1.270   110.14
2118.15    1.271   110.68
2119.15    1.272   111.22
2120.15    1.272   111.76
2121.15    1.273   112.30
2122.15    1.274   112.84
2123.15    1.274   113.37
2124.15    1.275   113.91
2125.15    1.275   114.45
2126.15    1.275   114.98
2127.15    1.275   115.52
2128.15    1.276   116.06
2129.15    1.275   116.59
2130.15    1.275   117.13
2131.15    1.275   117.67
2132.15    1.275   118.20
2133.15    1.274   118.74
2134.15    1.274   119.28
2135.15    1.273   119.81
2136.15    1.273   120.35
2137.15    1.272   120.89
2138.15    1.271   121.43
2139.15    1.270   121.97
2140.15    1.269   122.51
2141.15    1.268   123.06
2142.15    1.266   123.60
2143.15    1.265   124.14
2144.15    1.263   124.69
2145.15    1.262   125.24
2146.15    1.260   125.78
2147.15    1.258   126.33
2148.15    1.256   126.89
2149.15    1.254   127.44
2150.15    1.252   128.00
2151.15    1.250   128.55
2152.15    1.248   129.11
2153.15    1.245   129.67
2154.15    1.242   130.24
2155.15    1.240   130.80
2156.15    1.237   131.37
2157.15    1.234   131.94
2158.15    1.231   132.52
2159.15    1.228   133.10
2160.15    1.224   133.68
2161.15    1.221   134.26
2162.15    1.217   134.85
2163.15    1.214   135.44
2164.15    1.210   136.03
2165.15    1.206   136.63
2166.15    1.202   137.23
2167.15    1.198   137.84
2168.15    1.194   138.45
2169.15    1.189   139.06
2170.15    1.185   139.68
2171.15    1.180   140.30
2172.15    1.175   140.93
2173.15    1.170   141.57
2174.15    1.165   142.21
2175.15    1.160   142.85
2176.15    1.155   143.50






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 18:53:47



www.stella-vega.de