Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:43:22

Orbital Elements for HU1325
WDS: HU1325 WDS ID/Discoverer
P: 318.800 Orbital period (years)
a: 0.86 Semi-major axis (arcseconds)
i: 17.9 Inclination (degrees)
Ω: 173.5 Longitude of ascending node (degrees)
T: 1953.510 Epoch of periastron passage (year)
e: 0.423 Eccentricity
ω: 99.9 Longitude of periastron (degrees)
Start-Year: 1866.0 Year
End-Year: 2184.0 Year
Epoch: 2025.0 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: 16914 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: 1995 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU1325



WDS 6th Orbit including measures of HU1325

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of HU1325
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.925     39.3
-------------------------
1866.0     1.021    135.3
1867.0     1.016    136.0
1868.0     1.012    136.7
1869.0     1.007    137.4
1870.0     1.002    138.1
1871.0     0.998    138.8
1872.0     0.993    139.5
1873.0     0.988    140.3
1874.0     0.983    141.0
1875.0     0.978    141.8
1876.0     0.973    142.5
1877.0     0.967    143.3
1878.0     0.962    144.1
1879.0     0.957    144.8
1880.0     0.951    145.6
1881.0     0.946    146.4
1882.0     0.940    147.2
1883.0     0.934    148.1
1884.0     0.928    148.9
1885.0     0.923    149.7
1886.0     0.917    150.6
1887.0     0.910    151.5
1888.0     0.904    152.3
1889.0     0.898    153.2
1890.0     0.892    154.1
1891.0     0.885    155.0
1892.0     0.879    155.9
1893.0     0.872    156.9
1894.0     0.866    157.8
1895.0     0.859    158.8
1896.0     0.852    159.8
1897.0     0.845    160.8
1898.0     0.838    161.8
1899.0     0.831    162.8
1900.0     0.824    163.9
1901.0     0.817    165.0
1902.0     0.810    166.1
1903.0     0.802    167.2
1904.0     0.795    168.3
1905.0     0.787    169.4
1906.0     0.780    170.6
1907.0     0.772    171.8
1908.0     0.764    173.0
1909.0     0.757    174.3
1910.0     0.749    175.5
1911.0     0.741    176.8
1912.0     0.733    178.2
1913.0     0.725    179.5
1914.0     0.717    180.9
1915.0     0.709    182.3
1916.0     0.700    183.8
1917.0     0.692    185.3
1918.0     0.684    186.8
1919.0     0.676    188.3
1920.0     0.667    189.9
1921.0     0.659    191.6
1922.0     0.650    193.3
1923.0     0.642    195.0
1924.0     0.634    196.8
1925.0     0.625    198.6
1926.0     0.617    200.4
1927.0     0.609    202.4
1928.0     0.601    204.3
1929.0     0.593    206.3
1930.0     0.585    208.4
1931.0     0.577    210.6
1932.0     0.569    212.8
1933.0     0.561    215.0
1934.0     0.554    217.3
1935.0     0.546    219.7
1936.0     0.539    222.2
1937.0     0.532    224.7
1938.0     0.526    227.2
1939.0     0.519    229.9
1940.0     0.513    232.6
1941.0     0.507    235.4
1942.0     0.502    238.2
1943.0     0.497    241.1
1944.0     0.492    244.0
1945.0     0.488    247.0
1946.0     0.485    250.0
1947.0     0.481    253.1
1948.0     0.479    256.3
1949.0     0.476    259.4
1950.0     0.475    262.6
1951.0     0.474    265.8
1952.0     0.473    269.0
1953.0     0.473    272.3
1954.0     0.473    275.5
1955.0     0.474    278.7
1956.0     0.476    281.9
1957.0     0.478    285.0
1958.0     0.480    288.2
1959.0     0.483    291.3
1960.0     0.487    294.3
1961.0     0.491    297.4
1962.0     0.495    300.3
1963.0     0.500    303.2
1964.0     0.505    306.1
1965.0     0.510    308.9
1966.0     0.516    311.6
1967.0     0.522    314.3
1968.0     0.528    316.9
1969.0     0.534    319.5
1970.0     0.541    322.0
1971.0     0.548    324.4
1972.0     0.555    326.8
1973.0     0.562    329.1
1974.0     0.569    331.3
1975.0     0.577    333.5
1976.0     0.584    335.7
1977.0     0.592    337.7
1978.0     0.600    339.8
1979.0     0.607    341.8
1980.0     0.615    343.7
1981.0     0.623    345.6
1982.0     0.631    347.4
1983.0     0.639    349.2
1984.0     0.646    350.9
1985.0     0.654    352.6
1986.0     0.662    354.3
1987.0     0.670    355.9
1988.0     0.677    357.5
1989.0     0.685    359.1
1990.0     0.693      0.6
1991.0     0.701      2.1
1992.0     0.708      3.5
1993.0     0.716      4.9
1994.0     0.723      6.3
1995.0     0.731      7.7
1996.0     0.738      9.0
1997.0     0.745     10.3
1998.0     0.753     11.6
1999.0     0.760     12.9
2000.0     0.767     14.1
2001.0     0.774     15.3
2002.0     0.781     16.5
2003.0     0.788     17.7
2004.0     0.795     18.8
2005.0     0.802     19.9
2006.0     0.809     21.1
2007.0     0.816     22.2
2008.0     0.822     23.2
2009.0     0.829     24.3
2010.0     0.835     25.3
2011.0     0.842     26.3
2012.0     0.848     27.4
2013.0     0.855     28.3
2014.0     0.861     29.3
2015.0     0.867     30.3
2016.0     0.873     31.2
2017.0     0.879     32.2
2018.0     0.885     33.1
2019.0     0.891     34.0
2020.0     0.897     34.9
2021.0     0.903     35.8
2022.0     0.908     36.7
2023.0     0.914     37.6
2024.0     0.919     38.4
2025.0     0.925     39.3
2026.0     0.930     40.1
2027.0     0.936     40.9
2028.0     0.941     41.7
2029.0     0.946     42.6
2030.0     0.951     43.4
2031.0     0.956     44.1
2032.0     0.962     44.9
2033.0     0.966     45.7
2034.0     0.971     46.5
2035.0     0.976     47.2
2036.0     0.981     48.0
2037.0     0.986     48.7
2038.0     0.990     49.5
2039.0     0.995     50.2
2040.0     0.999     50.9
2041.0     1.004     51.6
2042.0     1.008     52.3
2043.0     1.013     53.1
2044.0     1.017     53.8
2045.0     1.021     54.4
2046.0     1.025     55.1
2047.0     1.029     55.8
2048.0     1.033     56.5
2049.0     1.037     57.2
2050.0     1.041     57.8
2051.0     1.045     58.5
2052.0     1.049     59.2
2053.0     1.052     59.8
2054.0     1.056     60.5
2055.0     1.059     61.1
2056.0     1.063     61.7
2057.0     1.066     62.4
2058.0     1.070     63.0
2059.0     1.073     63.6
2060.0     1.076     64.3
2061.0     1.080     64.9
2062.0     1.083     65.5
2063.0     1.086     66.1
2064.0     1.089     66.7
2065.0     1.092     67.3
2066.0     1.095     67.9
2067.0     1.098     68.5
2068.0     1.100     69.1
2069.0     1.103     69.7
2070.0     1.106     70.3
2071.0     1.108     70.9
2072.0     1.111     71.5
2073.0     1.113     72.1
2074.0     1.116     72.6
2075.0     1.118     73.2
2076.0     1.121     73.8
2077.0     1.123     74.4
2078.0     1.125     74.9
2079.0     1.127     75.5
2080.0     1.129     76.1
2081.0     1.131     76.6
2082.0     1.133     77.2
2083.0     1.135     77.7
2084.0     1.137     78.3
2085.0     1.139     78.9
2086.0     1.141     79.4
2087.0     1.142     80.0
2088.0     1.144     80.5
2089.0     1.146     81.1
2090.0     1.147     81.6
2091.0     1.149     82.2
2092.0     1.150     82.7
2093.0     1.151     83.3
2094.0     1.153     83.8
2095.0     1.154     84.3
2096.0     1.155     84.9
2097.0     1.156     85.4
2098.0     1.157     86.0
2099.0     1.158     86.5
2100.0     1.159     87.0
2101.0     1.160     87.6
2102.0     1.161     88.1
2103.0     1.162     88.6
2104.0     1.162     89.2
2105.0     1.163     89.7
2106.0     1.164     90.2
2107.0     1.164     90.8
2108.0     1.165     91.3
2109.0     1.165     91.8
2110.0     1.166     92.4
2111.0     1.166     92.9
2112.0     1.166     93.4
2113.0     1.166     93.9
2114.0     1.166     94.5
2115.0     1.167     95.0
2116.0     1.167     95.5
2117.0     1.167     96.1
2118.0     1.167     96.6
2119.0     1.166     97.1
2120.0     1.166     97.6
2121.0     1.166     98.2
2122.0     1.166     98.7
2123.0     1.165     99.2
2124.0     1.165     99.8
2125.0     1.164    100.3
2126.0     1.164    100.8
2127.0     1.163    101.4
2128.0     1.162    101.9
2129.0     1.162    102.4
2130.0     1.161    103.0
2131.0     1.160    103.5
2132.0     1.159    104.0
2133.0     1.158    104.6
2134.0     1.157    105.1
2135.0     1.156    105.6
2136.0     1.155    106.2
2137.0     1.154    106.7
2138.0     1.152    107.3
2139.0     1.151    107.8
2140.0     1.150    108.4
2141.0     1.148    108.9
2142.0     1.147    109.4
2143.0     1.145    110.0
2144.0     1.144    110.5
2145.0     1.142    111.1
2146.0     1.140    111.6
2147.0     1.138    112.2
2148.0     1.136    112.8
2149.0     1.134    113.3
2150.0     1.132    113.9
2151.0     1.130    114.4
2152.0     1.128    115.0
2153.0     1.126    115.6
2154.0     1.124    116.1
2155.0     1.121    116.7
2156.0     1.119    117.3
2157.0     1.117    117.9
2158.0     1.114    118.4
2159.0     1.111    119.0
2160.0     1.109    119.6
2161.0     1.106    120.2
2162.0     1.103    120.8
2163.0     1.100    121.4
2164.0     1.097    122.0
2165.0     1.094    122.6
2166.0     1.091    123.2
2167.0     1.088    123.8
2168.0     1.085    124.4
2169.0     1.082    125.0
2170.0     1.079    125.6
2171.0     1.075    126.2
2172.0     1.072    126.9
2173.0     1.068    127.5
2174.0     1.064    128.1
2175.0     1.061    128.8
2176.0     1.057    129.4
2177.0     1.053    130.1
2178.0     1.049    130.7
2179.0     1.045    131.4
2180.0     1.041    132.0
2181.0     1.037    132.7
2182.0     1.033    133.4
2183.0     1.029    134.0






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 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.


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