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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:06:18

Orbital Elements for HU75
WDS: HU75 WDS ID/Discoverer
P: 129.670 Orbital period (years)
a: 0.496 Semi-major axis (arcseconds)
i: 31.5 Inclination (degrees)
Ω: 183.1 Longitude of ascending node (degrees)
T: 2009.470 Epoch of periastron passage (year)
e: 0.652 Eccentricity
ω: 245.3 Longitude of periastron (degrees)
Start-Year: 1961.0 Year
End-Year: 2089.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HU75
Position: 192937.86-123848.1 Epoch-2000 right ascension and declination
WDS-ID: 19296-1239 WDS designation
Discoverer Code: HU75 Discover designation and components
ADS number: 12505 Aitken Double Star catalog
HD number: 183347 HD catalog number
Hipparcos number: 95847 Hipparcos catalog number
V1: 7.09 Magnitude of the primary
V2: 9.15 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HU75



WDS 6th Orbit including measures of HU75

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


Ephemeris of HU75
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.438    189.8
-------------------------
1961.0     0.672    259.5
1962.0     0.667    260.5
1963.0     0.662    261.5
1964.0     0.657    262.5
1965.0     0.651    263.5
1966.0     0.645    264.6
1967.0     0.640    265.6
1968.0     0.633    266.7
1969.0     0.627    267.8
1970.0     0.621    269.0
1971.0     0.614    270.1
1972.0     0.607    271.3
1973.0     0.600    272.5
1974.0     0.592    273.8
1975.0     0.585    275.0
1976.0     0.577    276.4
1977.0     0.569    277.7
1978.0     0.561    279.1
1979.0     0.552    280.5
1980.0     0.544    282.0
1981.0     0.535    283.5
1982.0     0.525    285.1
1983.0     0.516    286.7
1984.0     0.506    288.4
1985.0     0.496    290.1
1986.0     0.486    292.0
1987.0     0.475    293.9
1988.0     0.465    295.9
1989.0     0.454    298.0
1990.0     0.442    300.2
1991.0     0.431    302.5
1992.0     0.419    304.9
1993.0     0.406    307.5
1994.0     0.394    310.3
1995.0     0.381    313.2
1996.0     0.367    316.4
1997.0     0.354    319.8
1998.0     0.339    323.5
1999.0     0.325    327.5
2000.0     0.309    331.9
2001.0     0.293    336.8
2002.0     0.277    342.2
2003.0     0.260    348.3
2004.0     0.242    355.4
2005.0     0.223      3.6
2006.0     0.204     13.2
2007.0     0.186     24.9
2008.0     0.169     39.1
2009.0     0.156     56.0
2010.0     0.150     75.1
2011.0     0.153     94.5
2012.0     0.165    112.1
2013.0     0.184    126.6
2014.0     0.206    138.3
2015.0     0.230    147.7
2016.0     0.254    155.3
2017.0     0.278    161.5
2018.0     0.301    166.8
2019.0     0.323    171.4
2020.0     0.345    175.3
2021.0     0.365    178.8
2022.0     0.385    182.0
2023.0     0.403    184.8
2024.0     0.421    187.4
2025.0     0.438    189.8
2026.0     0.454    192.0
2027.0     0.470    194.1
2028.0     0.485    196.0
2029.0     0.499    197.9
2030.0     0.512    199.6
2031.0     0.525    201.2
2032.0     0.538    202.8
2033.0     0.549    204.3
2034.0     0.561    205.7
2035.0     0.571    207.1
2036.0     0.582    208.4
2037.0     0.591    209.7
2038.0     0.601    211.0
2039.0     0.610    212.2
2040.0     0.618    213.3
2041.0     0.626    214.5
2042.0     0.634    215.6
2043.0     0.641    216.7
2044.0     0.648    217.7
2045.0     0.655    218.8
2046.0     0.661    219.8
2047.0     0.667    220.8
2048.0     0.673    221.8
2049.0     0.678    222.7
2050.0     0.683    223.7
2051.0     0.687    224.6
2052.0     0.692    225.6
2053.0     0.696    226.5
2054.0     0.700    227.4
2055.0     0.703    228.3
2056.0     0.706    229.2
2057.0     0.709    230.1
2058.0     0.712    230.9
2059.0     0.714    231.8
2060.0     0.717    232.7
2061.0     0.718    233.5
2062.0     0.720    234.4
2063.0     0.722    235.2
2064.0     0.723    236.1
2065.0     0.724    236.9
2066.0     0.724    237.8
2067.0     0.725    238.6
2068.0     0.725    239.4
2069.0     0.725    240.3
2070.0     0.725    241.1
2071.0     0.724    242.0
2072.0     0.724    242.8
2073.0     0.723    243.7
2074.0     0.722    244.5
2075.0     0.720    245.3
2076.0     0.719    246.2
2077.0     0.717    247.1
2078.0     0.715    247.9
2079.0     0.713    248.8
2080.0     0.710    249.7
2081.0     0.708    250.5
2082.0     0.705    251.4
2083.0     0.702    252.3
2084.0     0.699    253.2
2085.0     0.695    254.1
2086.0     0.691    255.0
2087.0     0.688    256.0
2088.0     0.684    256.9






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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