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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:31:00

Orbital Elements for HU804

WDS:	HU804	WDS ID/Discoverer
P:	280.646	Orbital period (years)
a:	0.4483	Semi-major axis (arcseconds)
i:	62.8	Inclination (degrees)
Ω:	123.0	Longitude of ascending node (degrees)
T:	2155.493	Epoch of periastron passage (year)
e:	0.6782	Eccentricity
ω:	111.3	Longitude of periastron (degrees)
Start-Year:	1885.0	Year
End-Year:	2165.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU804

Position:	014613.37+334318.6	Epoch-2000 right ascension and declination
WDS-ID:	01462+3343	WDS designation
Discoverer Code:	HU804	Discover designation and components
ADS number:	1393	Aitken Double Star catalog
HD number:	10793	HD catalog number
Hipparcos number:	8252	Hipparcos catalog number
V1:	9.07	Magnitude of the primary
V2:	9.84	Magnitude of the secondary
Equinox:		Equinox
Date:	1995	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HU804

WDS 6th Orbit including measures of HU804

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

Ephemeris of HU804

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.441     78.0
-------------------------
1885.0     0.201    304.8
1886.0     0.209    306.9
1887.0     0.215    308.8
1888.0     0.221    310.6
1889.0     0.227    312.3
1890.0     0.232    314.0
1891.0     0.236    315.6
1892.0     0.240    317.1
1893.0     0.243    318.6
1894.0     0.247    320.0
1895.0     0.249    321.4
1896.0     0.252    322.8
1897.0     0.254    324.2
1898.0     0.256    325.5
1899.0     0.258    326.8
1900.0     0.259    328.1
1901.0     0.261    329.4
1902.0     0.262    330.6
1903.0     0.263    331.9
1904.0     0.264    333.2
1905.0     0.265    334.4
1906.0     0.266    335.6
1907.0     0.266    336.8
1908.0     0.267    338.1
1909.0     0.267    339.3
1910.0     0.268    340.5
1911.0     0.268    341.7
1912.0     0.269    342.9
1913.0     0.269    344.1
1914.0     0.269    345.3
1915.0     0.269    346.5
1916.0     0.270    347.7
1917.0     0.270    348.9
1918.0     0.270    350.1
1919.0     0.270    351.2
1920.0     0.271    352.4
1921.0     0.271    353.6
1922.0     0.271    354.8
1923.0     0.271    356.0
1924.0     0.272    357.1
1925.0     0.272    358.3
1926.0     0.272    359.5
1927.0     0.273      0.6
1928.0     0.273      1.8
1929.0     0.273      3.0
1930.0     0.274      4.1
1931.0     0.274      5.3
1932.0     0.275      6.4
1933.0     0.275      7.6
1934.0     0.276      8.7
1935.0     0.277      9.8
1936.0     0.277     11.0
1937.0     0.278     12.1
1938.0     0.279     13.2
1939.0     0.279     14.3
1940.0     0.280     15.4
1941.0     0.281     16.5
1942.0     0.282     17.6
1943.0     0.283     18.7
1944.0     0.284     19.8
1945.0     0.285     20.9
1946.0     0.286     21.9
1947.0     0.287     23.0
1948.0     0.288     24.0
1949.0     0.290     25.1
1950.0     0.291     26.1
1951.0     0.292     27.1
1952.0     0.293     28.1
1953.0     0.295     29.1
1954.0     0.296     30.1
1955.0     0.298     31.1
1956.0     0.299     32.1
1957.0     0.301     33.0
1958.0     0.302     34.0
1959.0     0.304     34.9
1960.0     0.305     35.9
1961.0     0.307     36.8
1962.0     0.309     37.7
1963.0     0.311     38.6
1964.0     0.312     39.5
1965.0     0.314     40.4
1966.0     0.316     41.2
1967.0     0.318     42.1
1968.0     0.320     43.0
1969.0     0.321     43.8
1970.0     0.323     44.6
1971.0     0.325     45.5
1972.0     0.327     46.3
1973.0     0.329     47.1
1974.0     0.331     47.9
1975.0     0.333     48.7
1976.0     0.335     49.4
1977.0     0.338     50.2
1978.0     0.340     51.0
1979.0     0.342     51.7
1980.0     0.344     52.4
1981.0     0.346     53.2
1982.0     0.348     53.9
1983.0     0.350     54.6
1984.0     0.352     55.3
1985.0     0.355     56.0
1986.0     0.357     56.7
1987.0     0.359     57.3
1988.0     0.361     58.0
1989.0     0.363     58.7
1990.0     0.366     59.3
1991.0     0.368     60.0
1992.0     0.370     60.6
1993.0     0.372     61.2
1994.0     0.375     61.9
1995.0     0.377     62.5
1996.0     0.379     63.1
1997.0     0.381     63.7
1998.0     0.384     64.3
1999.0     0.386     64.9
2000.0     0.388     65.4
2001.0     0.390     66.0
2002.0     0.392     66.6
2003.0     0.395     67.1
2004.0     0.397     67.7
2005.0     0.399     68.2
2006.0     0.401     68.8
2007.0     0.404     69.3
2008.0     0.406     69.8
2009.0     0.408     70.4
2010.0     0.410     70.9
2011.0     0.412     71.4
2012.0     0.414     71.9
2013.0     0.417     72.4
2014.0     0.419     72.9
2015.0     0.421     73.4
2016.0     0.423     73.9
2017.0     0.425     74.3
2018.0     0.427     74.8
2019.0     0.429     75.3
2020.0     0.431     75.8
2021.0     0.433     76.2
2022.0     0.435     76.7
2023.0     0.437     77.1
2024.0     0.439     77.6
2025.0     0.441     78.0
2026.0     0.443     78.5
2027.0     0.445     78.9
2028.0     0.447     79.4
2029.0     0.449     79.8
2030.0     0.450     80.2
2031.0     0.452     80.6
2032.0     0.454     81.1
2033.0     0.456     81.5
2034.0     0.457     81.9
2035.0     0.459     82.3
2036.0     0.461     82.7
2037.0     0.463     83.1
2038.0     0.464     83.5
2039.0     0.466     83.9
2040.0     0.467     84.3
2041.0     0.469     84.7
2042.0     0.470     85.1
2043.0     0.472     85.5
2044.0     0.473     85.9
2045.0     0.475     86.3
2046.0     0.476     86.7
2047.0     0.477     87.0
2048.0     0.479     87.4
2049.0     0.480     87.8
2050.0     0.481     88.2
2051.0     0.482     88.6
2052.0     0.483     88.9
2053.0     0.485     89.3
2054.0     0.486     89.7
2055.0     0.487     90.0
2056.0     0.488     90.4
2057.0     0.489     90.8
2058.0     0.489     91.1
2059.0     0.490     91.5
2060.0     0.491     91.8
2061.0     0.492     92.2
2062.0     0.493     92.6
2063.0     0.493     92.9
2064.0     0.494     93.3
2065.0     0.494     93.6
2066.0     0.495     94.0
2067.0     0.495     94.3
2068.0     0.496     94.7
2069.0     0.496     95.0
2070.0     0.497     95.4
2071.0     0.497     95.7
2072.0     0.497     96.1
2073.0     0.497     96.4
2074.0     0.497     96.8
2075.0     0.497     97.1
2076.0     0.497     97.5
2077.0     0.497     97.8
2078.0     0.497     98.2
2079.0     0.497     98.5
2080.0     0.496     98.9
2081.0     0.496     99.2
2082.0     0.495     99.6
2083.0     0.495    100.0
2084.0     0.494    100.3
2085.0     0.494    100.7
2086.0     0.493    101.0
2087.0     0.492    101.4
2088.0     0.491    101.7
2089.0     0.490    102.1
2090.0     0.489    102.5
2091.0     0.488    102.8
2092.0     0.487    103.2
2093.0     0.485    103.5
2094.0     0.484    103.9
2095.0     0.482    104.3
2096.0     0.481    104.7
2097.0     0.479    105.0
2098.0     0.477    105.4
2099.0     0.475    105.8
2100.0     0.473    106.2
2101.0     0.471    106.6
2102.0     0.469    107.0
2103.0     0.466    107.4
2104.0     0.464    107.8
2105.0     0.461    108.2
2106.0     0.458    108.6
2107.0     0.455    109.0
2108.0     0.452    109.4
2109.0     0.449    109.8
2110.0     0.446    110.3
2111.0     0.442    110.7
2112.0     0.439    111.2
2113.0     0.435    111.6
2114.0     0.431    112.1
2115.0     0.427    112.5
2116.0     0.422    113.0
2117.0     0.418    113.5
2118.0     0.413    114.0
2119.0     0.408    114.5
2120.0     0.403    115.1
2121.0     0.398    115.6
2122.0     0.392    116.2
2123.0     0.387    116.7
2124.0     0.381    117.3
2125.0     0.374    117.9
2126.0     0.368    118.5
2127.0     0.361    119.2
2128.0     0.354    119.9
2129.0     0.346    120.6
2130.0     0.339    121.3
2131.0     0.331    122.1
2132.0     0.322    122.9
2133.0     0.313    123.8
2134.0     0.304    124.7
2135.0     0.295    125.6
2136.0     0.285    126.7
2137.0     0.274    127.8
2138.0     0.263    129.0
2139.0     0.252    130.3
2140.0     0.240    131.7
2141.0     0.228    133.3
2142.0     0.215    135.1
2143.0     0.201    137.1
2144.0     0.187    139.4
2145.0     0.173    142.1
2146.0     0.158    145.2
2147.0     0.142    149.1
2148.0     0.127    153.9
2149.0     0.111    160.1
2150.0     0.096    168.2
2151.0     0.083    179.0
2152.0     0.073    193.3
2153.0     0.068    211.0
2154.0     0.069    229.7
2155.0     0.076    246.5
2156.0     0.087    259.7
2157.0     0.100    269.8
2158.0     0.114    277.4
2159.0     0.128    283.3
2160.0     0.142    288.1
2161.0     0.154    292.1
2162.0     0.166    295.5
2163.0     0.177    298.4
2164.0     0.187    301.0

Disclaimer

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.