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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:31:21

Orbital Elements for HU422
WDS: HU422 WDS ID/Discoverer
P: 116.000 Orbital period (years)
a: 0.264 Semi-major axis (arcseconds)
i: 120.1 Inclination (degrees)
Ω: 0.0 Longitude of ascending node (degrees)
T: 1949.800 Epoch of periastron passage (year)
e: 0.478 Eccentricity
ω: 130.4 Longitude of periastron (degrees)
Start-Year: 1967.0 Year
End-Year: 2083.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU422
Position: 014940.24-141356.9 Epoch-2000 right ascension and declination
WDS-ID: 01497-1414 WDS designation
Discoverer Code: HU422 Discover designation and components
ADS number: 1451 Aitken Double Star catalog
HD number: 11182 HD catalog number
Hipparcos number: 8504 Hipparcos catalog number
V1: 9.18 Magnitude of the primary
V2: 9.01 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 HU422



WDS 6th Orbit including measures of HU422

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


Ephemeris of HU422
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.335     14.4
-------------------------
1967.0     0.161    138.9
1968.0     0.159    135.1
1969.0     0.157    131.3
1970.0     0.156    127.4
1971.0     0.155    123.4
1972.0     0.154    119.4
1973.0     0.153    115.4
1974.0     0.153    111.3
1975.0     0.154    107.3
1976.0     0.154    103.3
1977.0     0.156     99.3
1978.0     0.157     95.4
1979.0     0.160     91.6
1980.0     0.162     87.9
1981.0     0.165     84.4
1982.0     0.168     80.9
1983.0     0.172     77.6
1984.0     0.176     74.5
1985.0     0.180     71.5
1986.0     0.185     68.6
1987.0     0.189     65.9
1988.0     0.194     63.3
1989.0     0.199     60.8
1990.0     0.204     58.5
1991.0     0.209     56.3
1992.0     0.215     54.1
1993.0     0.220     52.1
1994.0     0.225     50.2
1995.0     0.231     48.4
1996.0     0.236     46.6
1997.0     0.241     44.9
1998.0     0.247     43.3
1999.0     0.252     41.8
2000.0     0.257     40.3
2001.0     0.262     38.9
2002.0     0.267     37.5
2003.0     0.272     36.2
2004.0     0.277     35.0
2005.0     0.281     33.7
2006.0     0.286     32.6
2007.0     0.290     31.4
2008.0     0.294     30.3
2009.0     0.298     29.2
2010.0     0.302     28.1
2011.0     0.306     27.1
2012.0     0.310     26.1
2013.0     0.313     25.1
2014.0     0.316     24.2
2015.0     0.319     23.2
2016.0     0.322     22.3
2017.0     0.324     21.4
2018.0     0.326     20.5
2019.0     0.329     19.6
2020.0     0.330     18.7
2021.0     0.332     17.8
2022.0     0.333     17.0
2023.0     0.334     16.1
2024.0     0.335     15.3
2025.0     0.335     14.4
2026.0     0.335     13.6
2027.0     0.335     12.7
2028.0     0.335     11.9
2029.0     0.334     11.0
2030.0     0.333     10.2
2031.0     0.331      9.3
2032.0     0.329      8.4
2033.0     0.327      7.5
2034.0     0.324      6.6
2035.0     0.321      5.7
2036.0     0.318      4.8
2037.0     0.314      3.8
2038.0     0.310      2.9
2039.0     0.305      1.9
2040.0     0.299      0.8
2041.0     0.294    359.7
2042.0     0.287    358.6
2043.0     0.280    357.4
2044.0     0.273    356.2
2045.0     0.265    354.9
2046.0     0.257    353.5
2047.0     0.247    352.0
2048.0     0.238    350.3
2049.0     0.227    348.6
2050.0     0.216    346.6
2051.0     0.204    344.5
2052.0     0.192    342.0
2053.0     0.179    339.3
2054.0     0.165    336.0
2055.0     0.151    332.2
2056.0     0.137    327.6
2057.0     0.122    321.9
2058.0     0.108    314.8
2059.0     0.095    305.5
2060.0     0.084    293.6
2061.0     0.077    278.9
2062.0     0.074    262.0
2063.0     0.077    245.2
2064.0     0.084    230.3
2065.0     0.094    218.3
2066.0     0.106    208.8
2067.0     0.118    201.2
2068.0     0.129    194.9
2069.0     0.139    189.6
2070.0     0.147    184.9
2071.0     0.154    180.7
2072.0     0.160    176.9
2073.0     0.164    173.3
2074.0     0.167    169.8
2075.0     0.168    166.4
2076.0     0.169    163.0
2077.0     0.169    159.7
2078.0     0.169    156.4
2079.0     0.167    153.0
2080.0     0.166    149.6
2081.0     0.164    146.1
2082.0     0.162    142.5






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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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