Double Star Calculator - Orbit

Orbital Elements for J194AB
WDS: J194AB WDS ID/Discoverer
P: 159.000 Orbital period (years)
a: 0.88 Semi-major axis (arcseconds)
i: 123.0 Inclination (degrees)
Ω: 31.0 Longitude of ascending node (degrees)
T: 1958.000 Epoch of periastron passage (year)
e: 0.26 Eccentricity
ω: 296.0 Longitude of periastron (degrees)
Start-Year: 1945.5 Year
End-Year: 2104.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for J194AB
Position: 204923.64+112408.3 Epoch-2000 right ascension and declination
WDS-ID: 20494+1124 WDS designation
Discoverer Code: J194AB Discover designation and components
ADS number: 14333 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 102782 Hipparcos catalog number
V1: 10.32 Magnitude of the primary
V2: 9.97 Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sod1999 Reference

Double Star Orbit for J194AB



WDS 6th Orbit including measures of J194AB

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


Legend:
Green plus signs:Visual (micrometric) measures
Violet asterisks:Photographic measures
Blue symbols:Various interferometric techniques
Dot-dash line:Indicates the line of nodes

Ephemeris of J194AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.621   281.82
--------------------------
1945.50    0.437   156.99
1946.50    0.417   151.93
1947.50    0.400   146.40
1948.50    0.385   140.41
1949.50    0.374   133.99
1950.50    0.366   127.23
1951.50    0.362   120.26
1952.50    0.362   113.22
1953.50    0.367   106.26
1954.50    0.375    99.54
1955.50    0.387    93.17
1956.50    0.401    87.22
1957.50    0.419    81.73
1958.50    0.438    76.69
1959.50    0.458    72.09
1960.50    0.480    67.90
1961.50    0.502    64.06
1962.50    0.524    60.55
1963.50    0.546    57.33
1964.50    0.567    54.35
1965.50    0.588    51.59
1966.50    0.608    49.01
1967.50    0.628    46.60
1968.50    0.646    44.32
1969.50    0.663    42.17
1970.50    0.678    40.12
1971.50    0.693    38.15
1972.50    0.706    36.27
1973.50    0.717    34.45
1974.50    0.728    32.68
1975.50    0.737    30.96
1976.50    0.744    29.28
1977.50    0.751    27.63
1978.50    0.756    26.01
1979.50    0.760    24.40
1980.50    0.763    22.81
1981.50    0.765    21.23
1982.50    0.765    19.66
1983.50    0.765    18.08
1984.50    0.764    16.50
1985.50    0.761    14.92
1986.50    0.758    13.32
1987.50    0.754    11.71
1988.50    0.750    10.08
1989.50    0.744     8.43
1990.50    0.739     6.75
1991.50    0.732     5.05
1992.50    0.725     3.31
1993.50    0.718     1.54
1994.50    0.710   359.73
1995.50    0.703   357.88
1996.50    0.694   355.99
1997.50    0.686   354.06
1998.50    0.678   352.08
1999.50    0.669   350.05
2000.50    0.661   347.96
2001.50    0.653   345.82
2002.50    0.645   343.63
2003.50    0.637   341.39
2004.50    0.629   339.09
2005.50    0.622   336.73
2006.50    0.615   334.32
2007.50    0.609   331.86
2008.50    0.603   329.35
2009.50    0.598   326.79
2010.50    0.593   324.19
2011.50    0.589   321.55
2012.50    0.586   318.87
2013.50    0.583   316.17
2014.50    0.581   313.45
2015.50    0.580   310.72
2016.50    0.580   307.98
2017.50    0.581   305.24
2018.50    0.582   302.51
2019.50    0.584   299.80
2020.50    0.587   297.11
2021.50    0.591   294.45
2022.50    0.595   291.83
2023.50    0.601   289.25
2024.50    0.607   286.72
2025.50    0.613   284.25
2026.50    0.621   281.82
2027.50    0.628   279.46
2028.50    0.637   277.15
2029.50    0.645   274.91
2030.50    0.655   272.72
2031.50    0.664   270.61
2032.50    0.675   268.55
2033.50    0.685   266.55
2034.50    0.696   264.62
2035.50    0.706   262.74
2036.50    0.717   260.92
2037.50    0.729   259.16
2038.50    0.740   257.44
2039.50    0.751   255.79
2040.50    0.763   254.18
2041.50    0.774   252.61
2042.50    0.785   251.10
2043.50    0.796   249.62
2044.50    0.808   248.19
2045.50    0.819   246.79
2046.50    0.829   245.44
2047.50    0.840   244.11
2048.50    0.850   242.82
2049.50    0.860   241.56
2050.50    0.870   240.33
2051.50    0.880   239.12
2052.50    0.889   237.94
2053.50    0.897   236.79
2054.50    0.906   235.65
2055.50    0.914   234.54
2056.50    0.921   233.44
2057.50    0.928   232.36
2058.50    0.935   231.30
2059.50    0.940   230.25
2060.50    0.946   229.22
2061.50    0.951   228.19
2062.50    0.955   227.18
2063.50    0.959   226.17
2064.50    0.962   225.17
2065.50    0.964   224.17
2066.50    0.966   223.18
2067.50    0.967   222.20
2068.50    0.967   221.21
2069.50    0.967   220.22
2070.50    0.966   219.24
2071.50    0.964   218.25
2072.50    0.961   217.25
2073.50    0.957   216.25
2074.50    0.953   215.24
2075.50    0.948   214.22
2076.50    0.942   213.18
2077.50    0.935   212.13
2078.50    0.927   211.07
2079.50    0.918   209.99
2080.50    0.908   208.88
2081.50    0.897   207.75
2082.50    0.886   206.59
2083.50    0.873   205.40
2084.50    0.860   204.17
2085.50    0.845   202.90
2086.50    0.830   201.58
2087.50    0.813   200.22
2088.50    0.796   198.79
2089.50    0.778   197.30
2090.50    0.758   195.74
2091.50    0.738   194.09
2092.50    0.717   192.35
2093.50    0.696   190.50
2094.50    0.673   188.54
2095.50    0.650   186.43
2096.50    0.626   184.16
2097.50    0.602   181.72
2098.50    0.578   179.07
2099.50    0.553   176.19
2100.50    0.529   173.04
2101.50    0.505   169.58
2102.50    0.481   165.78
2103.50    0.458   161.60






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This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 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.


Report Information
Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 18:19:08



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