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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:39:35

Orbital Elements for HU994
WDS: HU994 WDS ID/Discoverer
P: 237.700 Orbital period (years)
a: 0.281 Semi-major axis (arcseconds)
i: 82.1 Inclination (degrees)
Ω: 129.6 Longitude of ascending node (degrees)
T: 1967.400 Epoch of periastron passage (year)
e: 0.289 Eccentricity
ω: 128.4 Longitude of periastron (degrees)
Start-Year: 1907.0 Year
End-Year: 2143.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU994
Position: 230747.74+633800.5 Epoch-2000 right ascension and declination
WDS-ID: 23078+6338 WDS designation
Discoverer Code: HU994 Discover designation and components
ADS number: 16530 Aitken Double Star catalog
HD number: 218537 HD catalog number
Hipparcos number: 114212 Hipparcos catalog number
V1: 7.16 Magnitude of the primary
V2: 6.87 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2008 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HU994



WDS 6th Orbit including measures of HU994

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


Ephemeris of HU994
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.121    328.0
-------------------------
1907.0     0.304    130.4
1908.0     0.301    130.6
1909.0     0.298    130.7
1910.0     0.295    130.9
1911.0     0.292    131.1
1912.0     0.289    131.3
1913.0     0.286    131.5
1914.0     0.282    131.7
1915.0     0.278    131.9
1916.0     0.274    132.1
1917.0     0.270    132.3
1918.0     0.266    132.5
1919.0     0.261    132.7
1920.0     0.257    133.0
1921.0     0.252    133.2
1922.0     0.247    133.5
1923.0     0.241    133.7
1924.0     0.236    134.0
1925.0     0.231    134.3
1926.0     0.225    134.6
1927.0     0.219    134.9
1928.0     0.213    135.3
1929.0     0.206    135.6
1930.0     0.200    136.0
1931.0     0.193    136.4
1932.0     0.187    136.8
1933.0     0.180    137.3
1934.0     0.172    137.8
1935.0     0.165    138.4
1936.0     0.158    139.0
1937.0     0.150    139.6
1938.0     0.142    140.4
1939.0     0.134    141.2
1940.0     0.126    142.1
1941.0     0.118    143.2
1942.0     0.110    144.4
1943.0     0.102    145.8
1944.0     0.093    147.5
1945.0     0.085    149.4
1946.0     0.077    151.9
1947.0     0.068    154.9
1948.0     0.060    158.7
1949.0     0.052    163.8
1950.0     0.045    170.6
1951.0     0.038    179.9
1952.0     0.033    192.7
1953.0     0.029    209.3
1954.0     0.029    228.0
1955.0     0.032    245.4
1956.0     0.037    259.1
1957.0     0.043    269.1
1958.0     0.050    276.4
1959.0     0.058    281.8
1960.0     0.066    285.9
1961.0     0.074    289.1
1962.0     0.083    291.7
1963.0     0.091    293.7
1964.0     0.099    295.5
1965.0     0.107    297.0
1966.0     0.115    298.2
1967.0     0.123    299.4
1968.0     0.130    300.3
1969.0     0.138    301.2
1970.0     0.145    302.0
1971.0     0.152    302.7
1972.0     0.158    303.4
1973.0     0.165    304.0
1974.0     0.171    304.5
1975.0     0.176    305.1
1976.0     0.182    305.5
1977.0     0.187    306.0
1978.0     0.191    306.5
1979.0     0.196    306.9
1980.0     0.200    307.3
1981.0     0.204    307.7
1982.0     0.207    308.0
1983.0     0.210    308.4
1984.0     0.213    308.7
1985.0     0.215    309.1
1986.0     0.217    309.4
1987.0     0.219    309.8
1988.0     0.221    310.1
1989.0     0.222    310.4
1990.0     0.223    310.7
1991.0     0.223    311.0
1992.0     0.223    311.4
1993.0     0.223    311.7
1994.0     0.223    312.0
1995.0     0.222    312.3
1996.0     0.222    312.6
1997.0     0.221    312.9
1998.0     0.219    313.3
1999.0     0.218    313.6
2000.0     0.216    313.9
2001.0     0.214    314.3
2002.0     0.212    314.6
2003.0     0.209    315.0
2004.0     0.207    315.3
2005.0     0.204    315.7
2006.0     0.201    316.1
2007.0     0.198    316.5
2008.0     0.194    316.9
2009.0     0.191    317.3
2010.0     0.187    317.8
2011.0     0.184    318.2
2012.0     0.180    318.7
2013.0     0.176    319.2
2014.0     0.172    319.7
2015.0     0.167    320.3
2016.0     0.163    320.8
2017.0     0.159    321.5
2018.0     0.154    322.1
2019.0     0.149    322.8
2020.0     0.145    323.5
2021.0     0.140    324.3
2022.0     0.135    325.1
2023.0     0.130    326.0
2024.0     0.125    327.0
2025.0     0.121    328.0
2026.0     0.116    329.1
2027.0     0.111    330.4
2028.0     0.106    331.7
2029.0     0.101    333.2
2030.0     0.096    334.8
2031.0     0.091    336.6
2032.0     0.086    338.7
2033.0     0.081    340.9
2034.0     0.076    343.5
2035.0     0.072    346.3
2036.0     0.068    349.6
2037.0     0.063    353.2
2038.0     0.059    357.4
2039.0     0.056      2.2
2040.0     0.053      7.5
2041.0     0.050     13.5
2042.0     0.048     20.1
2043.0     0.047     27.1
2044.0     0.046     34.6
2045.0     0.046     42.1
2046.0     0.047     49.4
2047.0     0.048     56.4
2048.0     0.050     62.9
2049.0     0.053     68.8
2050.0     0.056     74.1
2051.0     0.060     78.7
2052.0     0.064     82.8
2053.0     0.068     86.4
2054.0     0.073     89.6
2055.0     0.077     92.4
2056.0     0.082     94.9
2057.0     0.087     97.1
2058.0     0.092     99.1
2059.0     0.097    100.8
2060.0     0.102    102.4
2061.0     0.107    103.9
2062.0     0.112    105.2
2063.0     0.117    106.4
2064.0     0.122    107.5
2065.0     0.127    108.5
2066.0     0.133    109.4
2067.0     0.138    110.3
2068.0     0.143    111.1
2069.0     0.148    111.8
2070.0     0.153    112.5
2071.0     0.158    113.2
2072.0     0.163    113.8
2073.0     0.168    114.4
2074.0     0.173    114.9
2075.0     0.177    115.4
2076.0     0.182    115.9
2077.0     0.187    116.4
2078.0     0.192    116.8
2079.0     0.196    117.2
2080.0     0.201    117.6
2081.0     0.206    118.0
2082.0     0.210    118.4
2083.0     0.214    118.7
2084.0     0.219    119.1
2085.0     0.223    119.4
2086.0     0.227    119.7
2087.0     0.231    120.0
2088.0     0.236    120.3
2089.0     0.240    120.6
2090.0     0.244    120.8
2091.0     0.247    121.1
2092.0     0.251    121.3
2093.0     0.255    121.6
2094.0     0.259    121.8
2095.0     0.262    122.1
2096.0     0.266    122.3
2097.0     0.269    122.5
2098.0     0.272    122.7
2099.0     0.276    122.9
2100.0     0.279    123.1
2101.0     0.282    123.3
2102.0     0.285    123.5
2103.0     0.288    123.7
2104.0     0.290    123.9
2105.0     0.293    124.1
2106.0     0.296    124.3
2107.0     0.298    124.5
2108.0     0.300    124.6
2109.0     0.303    124.8
2110.0     0.305    125.0
2111.0     0.307    125.1
2112.0     0.309    125.3
2113.0     0.311    125.5
2114.0     0.312    125.6
2115.0     0.314    125.8
2116.0     0.316    126.0
2117.0     0.317    126.1
2118.0     0.318    126.3
2119.0     0.319    126.4
2120.0     0.320    126.6
2121.0     0.321    126.7
2122.0     0.322    126.9
2123.0     0.323    127.0
2124.0     0.323    127.2
2125.0     0.324    127.3
2126.0     0.324    127.5
2127.0     0.324    127.6
2128.0     0.324    127.8
2129.0     0.324    127.9
2130.0     0.324    128.1
2131.0     0.324    128.2
2132.0     0.323    128.4
2133.0     0.322    128.5
2134.0     0.322    128.7
2135.0     0.321    128.8
2136.0     0.320    129.0
2137.0     0.318    129.1
2138.0     0.317    129.3
2139.0     0.315    129.5
2140.0     0.314    129.6
2141.0     0.312    129.8
2142.0     0.310    129.9






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.


www.stella-vega.de