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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:36:54

Orbital Elements for HU1216AB
WDS: HU1216AB WDS ID/Discoverer
P: 351.000 Orbital period (years)
a: 1.01 Semi-major axis (arcseconds)
i: 64.4 Inclination (degrees)
Ω: 277.0 Longitude of ascending node (degrees)
T: 1902.000 Epoch of periastron passage (year)
e: 0.508 Eccentricity
ω: 309.0 Longitude of periastron (degrees)
Start-Year: 1850.0 Year
End-Year: 2200.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU1216AB
Position: 023708.62-111151.1 Epoch-2000 right ascension and declination
WDS-ID: 02371-1112 WDS designation
Discoverer Code: HU1216AB Discover designation and components
ADS number: 1990 Aitken Double Star catalog
HD number: 16355 HD catalog number
Hipparcos number: 12204 Hipparcos catalog number
V1: 8.53 Magnitude of the primary
V2: 9.18 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2013 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HU1216AB



WDS 6th Orbit including measures of HU1216AB

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


Ephemeris of HU1216AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.727     43.4
-------------------------
1850.0     0.913    103.8
1851.0     0.899    104.3
1852.0     0.886    104.8
1853.0     0.872    105.3
1854.0     0.858    105.8
1855.0     0.843    106.3
1856.0     0.828    106.9
1857.0     0.813    107.5
1858.0     0.798    108.1
1859.0     0.782    108.7
1860.0     0.766    109.4
1861.0     0.750    110.0
1862.0     0.733    110.7
1863.0     0.716    111.5
1864.0     0.698    112.3
1865.0     0.681    113.1
1866.0     0.663    113.9
1867.0     0.644    114.9
1868.0     0.626    115.8
1869.0     0.607    116.8
1870.0     0.588    117.9
1871.0     0.568    119.1
1872.0     0.548    120.4
1873.0     0.528    121.7
1874.0     0.508    123.1
1875.0     0.488    124.7
1876.0     0.468    126.4
1877.0     0.447    128.3
1878.0     0.427    130.3
1879.0     0.406    132.6
1880.0     0.386    135.1
1881.0     0.366    137.8
1882.0     0.347    140.9
1883.0     0.328    144.3
1884.0     0.310    148.1
1885.0     0.293    152.4
1886.0     0.277    157.2
1887.0     0.263    162.6
1888.0     0.251    168.5
1889.0     0.242    174.9
1890.0     0.235    181.8
1891.0     0.231    189.0
1892.0     0.231    196.2
1893.0     0.234    203.5
1894.0     0.240    210.4
1895.0     0.248    217.0
1896.0     0.259    223.0
1897.0     0.272    228.6
1898.0     0.287    233.5
1899.0     0.303    238.0
1900.0     0.320    242.0
1901.0     0.337    245.7
1902.0     0.354    248.9
1903.0     0.372    251.9
1904.0     0.390    254.6
1905.0     0.407    257.0
1906.0     0.424    259.3
1907.0     0.440    261.4
1908.0     0.456    263.3
1909.0     0.471    265.1
1910.0     0.486    266.8
1911.0     0.500    268.4
1912.0     0.512    269.9
1913.0     0.525    271.4
1914.0     0.536    272.8
1915.0     0.546    274.1
1916.0     0.556    275.4
1917.0     0.565    276.6
1918.0     0.573    277.8
1919.0     0.581    279.0
1920.0     0.587    280.1
1921.0     0.593    281.2
1922.0     0.599    282.3
1923.0     0.603    283.4
1924.0     0.607    284.5
1925.0     0.610    285.5
1926.0     0.613    286.6
1927.0     0.616    287.6
1928.0     0.617    288.6
1929.0     0.619    289.6
1930.0     0.619    290.7
1931.0     0.620    291.7
1932.0     0.620    292.7
1933.0     0.619    293.7
1934.0     0.619    294.7
1935.0     0.618    295.7
1936.0     0.616    296.8
1937.0     0.615    297.8
1938.0     0.613    298.8
1939.0     0.611    299.9
1940.0     0.608    300.9
1941.0     0.606    302.0
1942.0     0.603    303.0
1943.0     0.600    304.1
1944.0     0.597    305.2
1945.0     0.594    306.3
1946.0     0.591    307.4
1947.0     0.588    308.5
1948.0     0.584    309.7
1949.0     0.581    310.8
1950.0     0.578    312.0
1951.0     0.574    313.1
1952.0     0.571    314.3
1953.0     0.567    315.5
1954.0     0.564    316.7
1955.0     0.560    318.0
1956.0     0.557    319.2
1957.0     0.554    320.5
1958.0     0.550    321.8
1959.0     0.547    323.1
1960.0     0.544    324.4
1961.0     0.541    325.7
1962.0     0.539    327.0
1963.0     0.536    328.4
1964.0     0.533    329.7
1965.0     0.531    331.1
1966.0     0.529    332.5
1967.0     0.526    333.9
1968.0     0.525    335.3
1969.0     0.523    336.7
1970.0     0.521    338.2
1971.0     0.520    339.6
1972.0     0.519    341.0
1973.0     0.518    342.5
1974.0     0.517    343.9
1975.0     0.516    345.4
1976.0     0.516    346.9
1977.0     0.516    348.3
1978.0     0.516    349.8
1979.0     0.516    351.2
1980.0     0.517    352.7
1981.0     0.518    354.2
1982.0     0.519    355.6
1983.0     0.520    357.1
1984.0     0.521    358.5
1985.0     0.523    359.9
1986.0     0.525      1.3
1987.0     0.527      2.7
1988.0     0.529      4.1
1989.0     0.532      5.5
1990.0     0.535      6.9
1991.0     0.538      8.2
1992.0     0.541      9.6
1993.0     0.544     10.9
1994.0     0.548     12.2
1995.0     0.552     13.5
1996.0     0.556     14.8
1997.0     0.560     16.0
1998.0     0.564     17.3
1999.0     0.569     18.5
2000.0     0.573     19.7
2001.0     0.578     20.8
2002.0     0.583     22.0
2003.0     0.588     23.1
2004.0     0.593     24.2
2005.0     0.599     25.3
2006.0     0.604     26.4
2007.0     0.610     27.5
2008.0     0.616     28.5
2009.0     0.622     29.5
2010.0     0.628     30.5
2011.0     0.634     31.5
2012.0     0.640     32.5
2013.0     0.646     33.4
2014.0     0.653     34.3
2015.0     0.659     35.2
2016.0     0.666     36.1
2017.0     0.672     37.0
2018.0     0.679     37.8
2019.0     0.686     38.7
2020.0     0.693     39.5
2021.0     0.699     40.3
2022.0     0.706     41.1
2023.0     0.713     41.9
2024.0     0.720     42.6
2025.0     0.727     43.4
2026.0     0.734     44.1
2027.0     0.742     44.8
2028.0     0.749     45.5
2029.0     0.756     46.2
2030.0     0.763     46.9
2031.0     0.770     47.5
2032.0     0.777     48.2
2033.0     0.785     48.8
2034.0     0.792     49.5
2035.0     0.799     50.1
2036.0     0.807     50.7
2037.0     0.814     51.3
2038.0     0.821     51.9
2039.0     0.828     52.4
2040.0     0.836     53.0
2041.0     0.843     53.5
2042.0     0.850     54.1
2043.0     0.857     54.6
2044.0     0.865     55.1
2045.0     0.872     55.7
2046.0     0.879     56.2
2047.0     0.886     56.7
2048.0     0.893     57.2
2049.0     0.900     57.6
2050.0     0.907     58.1
2051.0     0.915     58.6
2052.0     0.922     59.1
2053.0     0.929     59.5
2054.0     0.936     60.0
2055.0     0.943     60.4
2056.0     0.949     60.8
2057.0     0.956     61.3
2058.0     0.963     61.7
2059.0     0.970     62.1
2060.0     0.977     62.5
2061.0     0.983     62.9
2062.0     0.990     63.3
2063.0     0.997     63.7
2064.0     1.003     64.1
2065.0     1.010     64.5
2066.0     1.016     64.9
2067.0     1.023     65.2
2068.0     1.029     65.6
2069.0     1.035     66.0
2070.0     1.041     66.3
2071.0     1.048     66.7
2072.0     1.054     67.0
2073.0     1.060     67.4
2074.0     1.066     67.7
2075.0     1.072     68.1
2076.0     1.078     68.4
2077.0     1.084     68.8
2078.0     1.089     69.1
2079.0     1.095     69.4
2080.0     1.101     69.7
2081.0     1.106     70.1
2082.0     1.112     70.4
2083.0     1.117     70.7
2084.0     1.122     71.0
2085.0     1.128     71.3
2086.0     1.133     71.6
2087.0     1.138     71.9
2088.0     1.143     72.2
2089.0     1.148     72.5
2090.0     1.153     72.8
2091.0     1.158     73.1
2092.0     1.162     73.4
2093.0     1.167     73.7
2094.0     1.172     73.9
2095.0     1.176     74.2
2096.0     1.181     74.5
2097.0     1.185     74.8
2098.0     1.189     75.1
2099.0     1.193     75.3
2100.0     1.197     75.6
2101.0     1.201     75.9
2102.0     1.205     76.2
2103.0     1.209     76.4
2104.0     1.213     76.7
2105.0     1.216     76.9
2106.0     1.220     77.2
2107.0     1.223     77.5
2108.0     1.227     77.7
2109.0     1.230     78.0
2110.0     1.233     78.2
2111.0     1.236     78.5
2112.0     1.239     78.8
2113.0     1.242     79.0
2114.0     1.244     79.3
2115.0     1.247     79.5
2116.0     1.250     79.8
2117.0     1.252     80.0
2118.0     1.254     80.3
2119.0     1.256     80.5
2120.0     1.258     80.8
2121.0     1.260     81.0
2122.0     1.262     81.2
2123.0     1.264     81.5
2124.0     1.266     81.7
2125.0     1.267     82.0
2126.0     1.269     82.2
2127.0     1.270     82.5
2128.0     1.271     82.7
2129.0     1.272     82.9
2130.0     1.273     83.2
2131.0     1.274     83.4
2132.0     1.274     83.7
2133.0     1.275     83.9
2134.0     1.275     84.1
2135.0     1.276     84.4
2136.0     1.276     84.6
2137.0     1.276     84.9
2138.0     1.276     85.1
2139.0     1.275     85.3
2140.0     1.275     85.6
2141.0     1.274     85.8
2142.0     1.274     86.1
2143.0     1.273     86.3
2144.0     1.272     86.5
2145.0     1.271     86.8
2146.0     1.270     87.0
2147.0     1.268     87.3
2148.0     1.267     87.5
2149.0     1.265     87.7
2150.0     1.263     88.0
2151.0     1.261     88.2
2152.0     1.259     88.5
2153.0     1.257     88.7
2154.0     1.254     89.0
2155.0     1.252     89.2
2156.0     1.249     89.5
2157.0     1.246     89.7
2158.0     1.243     90.0
2159.0     1.239     90.2
2160.0     1.236     90.5
2161.0     1.232     90.7
2162.0     1.228     91.0
2163.0     1.224     91.2
2164.0     1.220     91.5
2165.0     1.216     91.8
2166.0     1.211     92.0
2167.0     1.207     92.3
2168.0     1.202     92.6
2169.0     1.196     92.8
2170.0     1.191     93.1
2171.0     1.186     93.4
2172.0     1.180     93.7
2173.0     1.174     94.0
2174.0     1.168     94.2
2175.0     1.161     94.5
2176.0     1.155     94.8
2177.0     1.148     95.1
2178.0     1.141     95.4
2179.0     1.134     95.7
2180.0     1.126     96.0
2181.0     1.119     96.3
2182.0     1.111     96.6
2183.0     1.103     96.9
2184.0     1.094     97.3
2185.0     1.086     97.6
2186.0     1.077     97.9
2187.0     1.068     98.3
2188.0     1.059     98.6
2189.0     1.049     99.0
2190.0     1.039     99.3
2191.0     1.029     99.7
2192.0     1.019    100.1
2193.0     1.008    100.4
2194.0     0.997    100.8
2195.0     0.986    101.2
2196.0     0.974    101.6
2197.0     0.962    102.0
2198.0     0.950    102.5
2199.0     0.938    102.9






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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