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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:07:52

Orbital Elements for HU730
WDS: HU730 WDS ID/Discoverer
P: 249.000 Orbital period (years)
a: 0.242 Semi-major axis (arcseconds)
i: 130.0 Inclination (degrees)
Ω: 14.0 Longitude of ascending node (degrees)
T: 2085.000 Epoch of periastron passage (year)
e: 0.099 Eccentricity
ω: 24.1 Longitude of periastron (degrees)
Start-Year: 1901.0 Year
End-Year: 2149.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU730
Position: 115126.34+503218.8 Epoch-2000 right ascension and declination
WDS-ID: 11518+5032 WDS designation
Discoverer Code: HU730 Discover designation and components
ADS number: 8323 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.5 Magnitude of the primary
V2: 10.5 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 HU730



WDS 6th Orbit including measures of HU730

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


Ephemeris of HU730
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.164     79.9
-------------------------
1901.0     0.198    232.2
1902.0     0.201    230.9
1903.0     0.203    229.5
1904.0     0.206    228.2
1905.0     0.208    227.0
1906.0     0.211    225.7
1907.0     0.213    224.5
1908.0     0.216    223.4
1909.0     0.218    222.2
1910.0     0.221    221.1
1911.0     0.223    220.0
1912.0     0.225    218.9
1913.0     0.228    217.8
1914.0     0.230    216.8
1915.0     0.232    215.8
1916.0     0.234    214.8
1917.0     0.236    213.8
1918.0     0.238    212.9
1919.0     0.240    211.9
1920.0     0.242    211.0
1921.0     0.244    210.1
1922.0     0.245    209.1
1923.0     0.247    208.3
1924.0     0.249    207.4
1925.0     0.250    206.5
1926.0     0.252    205.6
1927.0     0.253    204.8
1928.0     0.254    203.9
1929.0     0.255    203.1
1930.0     0.256    202.3
1931.0     0.258    201.5
1932.0     0.258    200.7
1933.0     0.259    199.8
1934.0     0.260    199.0
1935.0     0.261    198.2
1936.0     0.262    197.5
1937.0     0.262    196.7
1938.0     0.263    195.9
1939.0     0.263    195.1
1940.0     0.263    194.3
1941.0     0.264    193.5
1942.0     0.264    192.8
1943.0     0.264    192.0
1944.0     0.264    191.2
1945.0     0.264    190.4
1946.0     0.264    189.6
1947.0     0.263    188.9
1948.0     0.263    188.1
1949.0     0.263    187.3
1950.0     0.262    186.5
1951.0     0.262    185.7
1952.0     0.261    184.9
1953.0     0.260    184.1
1954.0     0.259    183.3
1955.0     0.259    182.5
1956.0     0.258    181.7
1957.0     0.257    180.9
1958.0     0.256    180.1
1959.0     0.254    179.2
1960.0     0.253    178.4
1961.0     0.252    177.5
1962.0     0.251    176.7
1963.0     0.249    175.8
1964.0     0.248    174.9
1965.0     0.246    174.0
1966.0     0.245    173.1
1967.0     0.243    172.2
1968.0     0.241    171.3
1969.0     0.240    170.4
1970.0     0.238    169.4
1971.0     0.236    168.5
1972.0     0.234    167.5
1973.0     0.232    166.5
1974.0     0.230    165.5
1975.0     0.228    164.4
1976.0     0.226    163.4
1977.0     0.224    162.3
1978.0     0.222    161.2
1979.0     0.220    160.1
1980.0     0.218    159.0
1981.0     0.215    157.8
1982.0     0.213    156.6
1983.0     0.211    155.4
1984.0     0.209    154.2
1985.0     0.207    153.0
1986.0     0.204    151.7
1987.0     0.202    150.4
1988.0     0.200    149.0
1989.0     0.198    147.6
1990.0     0.195    146.2
1991.0     0.193    144.8
1992.0     0.191    143.3
1993.0     0.189    141.8
1994.0     0.187    140.3
1995.0     0.185    138.7
1996.0     0.183    137.1
1997.0     0.181    135.5
1998.0     0.179    133.8
1999.0     0.177    132.1
2000.0     0.175    130.4
2001.0     0.174    128.6
2002.0     0.172    126.8
2003.0     0.171    124.9
2004.0     0.169    123.1
2005.0     0.168    121.2
2006.0     0.166    119.2
2007.0     0.165    117.2
2008.0     0.164    115.2
2009.0     0.163    113.2
2010.0     0.162    111.2
2011.0     0.162    109.1
2012.0     0.161    107.0
2013.0     0.161    105.0
2014.0     0.160    102.9
2015.0     0.160    100.7
2016.0     0.160     98.6
2017.0     0.160     96.5
2018.0     0.160     94.4
2019.0     0.160     92.3
2020.0     0.161     90.2
2021.0     0.161     88.1
2022.0     0.162     86.0
2023.0     0.163     84.0
2024.0     0.164     81.9
2025.0     0.164     79.9
2026.0     0.165     77.9
2027.0     0.167     76.0
2028.0     0.168     74.0
2029.0     0.169     72.1
2030.0     0.170     70.2
2031.0     0.172     68.4
2032.0     0.173     66.6
2033.0     0.175     64.8
2034.0     0.177     63.0
2035.0     0.178     61.3
2036.0     0.180     59.6
2037.0     0.182     58.0
2038.0     0.183     56.4
2039.0     0.185     54.8
2040.0     0.187     53.2
2041.0     0.189     51.7
2042.0     0.190     50.1
2043.0     0.192     48.7
2044.0     0.194     47.2
2045.0     0.196     45.8
2046.0     0.197     44.4
2047.0     0.199     43.0
2048.0     0.201     41.7
2049.0     0.202     40.3
2050.0     0.204     39.0
2051.0     0.205     37.7
2052.0     0.207     36.4
2053.0     0.208     35.2
2054.0     0.210     33.9
2055.0     0.211     32.7
2056.0     0.212     31.5
2057.0     0.213     30.3
2058.0     0.214     29.1
2059.0     0.215     28.0
2060.0     0.216     26.8
2061.0     0.217     25.6
2062.0     0.218     24.5
2063.0     0.218     23.4
2064.0     0.219     22.2
2065.0     0.219     21.1
2066.0     0.220     20.0
2067.0     0.220     18.8
2068.0     0.220     17.7
2069.0     0.220     16.6
2070.0     0.220     15.5
2071.0     0.220     14.4
2072.0     0.220     13.2
2073.0     0.219     12.1
2074.0     0.219     11.0
2075.0     0.218      9.9
2076.0     0.217      8.7
2077.0     0.217      7.6
2078.0     0.216      6.4
2079.0     0.215      5.2
2080.0     0.214      4.1
2081.0     0.213      2.9
2082.0     0.211      1.7
2083.0     0.210      0.4
2084.0     0.209    359.2
2085.0     0.207    358.0
2086.0     0.206    356.7
2087.0     0.204    355.4
2088.0     0.202    354.1
2089.0     0.200    352.7
2090.0     0.198    351.4
2091.0     0.196    350.0
2092.0     0.195    348.6
2093.0     0.192    347.1
2094.0     0.190    345.6
2095.0     0.188    344.1
2096.0     0.186    342.6
2097.0     0.184    341.0
2098.0     0.182    339.4
2099.0     0.180    337.7
2100.0     0.178    336.0
2101.0     0.175    334.3
2102.0     0.173    332.5
2103.0     0.171    330.7
2104.0     0.169    328.8
2105.0     0.167    326.9
2106.0     0.165    324.9
2107.0     0.163    322.9
2108.0     0.161    320.9
2109.0     0.159    318.8
2110.0     0.158    316.6
2111.0     0.156    314.4
2112.0     0.155    312.2
2113.0     0.153    309.9
2114.0     0.152    307.6
2115.0     0.151    305.2
2116.0     0.150    302.8
2117.0     0.149    300.4
2118.0     0.149    298.0
2119.0     0.148    295.5
2120.0     0.148    293.0
2121.0     0.148    290.5
2122.0     0.148    288.1
2123.0     0.148    285.6
2124.0     0.148    283.1
2125.0     0.149    280.7
2126.0     0.149    278.2
2127.0     0.150    275.8
2128.0     0.151    273.4
2129.0     0.152    271.1
2130.0     0.154    268.7
2131.0     0.155    266.5
2132.0     0.156    264.2
2133.0     0.158    262.0
2134.0     0.160    259.9
2135.0     0.162    257.8
2136.0     0.164    255.8
2137.0     0.166    253.8
2138.0     0.168    251.8
2139.0     0.170    249.9
2140.0     0.173    248.1
2141.0     0.175    246.3
2142.0     0.177    244.6
2143.0     0.180    242.9
2144.0     0.182    241.2
2145.0     0.185    239.6
2146.0     0.188    238.1
2147.0     0.190    236.5
2148.0     0.193    235.1






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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