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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:33:31

Orbital Elements for HO183AB
WDS: HO183AB WDS ID/Discoverer
P: 129.243 Orbital period (years)
a: 2.4799 Semi-major axis (arcseconds)
i: 120.596 Inclination (degrees)
Ω: 117.37 Longitude of ascending node (degrees)
T: 1973.193 Epoch of periastron passage (year)
e: 0.99 Eccentricity
ω: 85.306 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 HO183AB
Position: 222445.44+223303.3 Epoch-2000 right ascension and declination
WDS-ID: 22248+2233 WDS designation
Discoverer Code: HO183AB Discover designation and components
ADS number: 15915 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 110640 Hipparcos catalog number
V1: 9.02 Magnitude of the primary
V2: 11.55 Magnitude of the secondary
Equinox: Equinox
Date: 2015 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for HO183AB



WDS 6th Orbit including measures of HO183AB

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


Ephemeris of HO183AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     2.488    219.0
-------------------------
1961.0     1.283    200.9
1962.0     1.223    200.1
1963.0     1.160    199.2
1964.0     1.093    198.2
1965.0     1.023    197.1
1966.0     0.948    195.9
1967.0     0.868    194.4
1968.0     0.783    192.6
1969.0     0.689    190.3
1970.0     0.586    187.3
1971.0     0.470    182.8
1972.0     0.329    175.0
1973.0     0.121    147.7
1974.0     0.297    257.0
1975.0     0.468    248.4
1976.0     0.601    244.1
1977.0     0.715    241.2
1978.0     0.816    239.1
1979.0     0.907    237.5
1980.0     0.992    236.1
1981.0     1.070    234.9
1982.0     1.143    233.9
1983.0     1.212    233.0
1984.0     1.278    232.2
1985.0     1.340    231.5
1986.0     1.398    230.9
1987.0     1.454    230.3
1988.0     1.508    229.7
1989.0     1.559    229.2
1990.0     1.608    228.7
1991.0     1.655    228.2
1992.0     1.700    227.8
1993.0     1.743    227.4
1994.0     1.785    227.0
1995.0     1.825    226.6
1996.0     1.863    226.2
1997.0     1.900    225.9
1998.0     1.935    225.6
1999.0     1.970    225.2
2000.0     2.002    224.9
2001.0     2.034    224.6
2002.0     2.064    224.3
2003.0     2.093    224.0
2004.0     2.121    223.8
2005.0     2.148    223.5
2006.0     2.174    223.2
2007.0     2.199    223.0
2008.0     2.223    222.7
2009.0     2.246    222.5
2010.0     2.267    222.2
2011.0     2.288    222.0
2012.0     2.308    221.8
2013.0     2.327    221.5
2014.0     2.345    221.3
2015.0     2.362    221.1
2016.0     2.379    220.9
2017.0     2.394    220.7
2018.0     2.409    220.4
2019.0     2.422    220.2
2020.0     2.435    220.0
2021.0     2.447    219.8
2022.0     2.459    219.6
2023.0     2.469    219.4
2024.0     2.479    219.2
2025.0     2.488    219.0
2026.0     2.496    218.8
2027.0     2.503    218.6
2028.0     2.510    218.4
2029.0     2.516    218.2
2030.0     2.521    218.0
2031.0     2.526    217.8
2032.0     2.529    217.6
2033.0     2.532    217.5
2034.0     2.534    217.3
2035.0     2.536    217.1
2036.0     2.536    216.9
2037.0     2.536    216.7
2038.0     2.536    216.5
2039.0     2.534    216.3
2040.0     2.532    216.1
2041.0     2.529    215.9
2042.0     2.525    215.7
2043.0     2.521    215.5
2044.0     2.516    215.3
2045.0     2.510    215.1
2046.0     2.503    215.0
2047.0     2.496    214.8
2048.0     2.487    214.6
2049.0     2.479    214.4
2050.0     2.469    214.2
2051.0     2.458    214.0
2052.0     2.447    213.8
2053.0     2.435    213.5
2054.0     2.423    213.3
2055.0     2.409    213.1
2056.0     2.395    212.9
2057.0     2.380    212.7
2058.0     2.364    212.5
2059.0     2.347    212.3
2060.0     2.329    212.0
2061.0     2.311    211.8
2062.0     2.292    211.6
2063.0     2.271    211.3
2064.0     2.250    211.1
2065.0     2.228    210.8
2066.0     2.205    210.6
2067.0     2.182    210.3
2068.0     2.157    210.1
2069.0     2.131    209.8
2070.0     2.104    209.5
2071.0     2.077    209.3
2072.0     2.048    209.0
2073.0     2.018    208.7
2074.0     1.987    208.4
2075.0     1.955    208.0
2076.0     1.921    207.7
2077.0     1.887    207.4
2078.0     1.851    207.0
2079.0     1.814    206.7
2080.0     1.775    206.3
2081.0     1.735    205.9
2082.0     1.694    205.5
2083.0     1.651    205.0
2084.0     1.606    204.6
2085.0     1.560    204.1
2086.0     1.511    203.5
2087.0     1.461    203.0
2088.0     1.409    202.4






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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