Double Star Calculator - Orbit

Orbital Elements for I83
WDS: I83 WDS ID/Discoverer
P: 173.835 Orbital period (years)
a: 0.50986 Semi-major axis (arcseconds)
i: 53.039 Inclination (degrees)
Ω: 62.472 Longitude of ascending node (degrees)
T: 1918.195 Epoch of periastron passage (year)
e: 0.69834 Eccentricity
ω: 343.006 Longitude of periastron (degrees)
Start-Year: 1938.0824499999999 Year
End-Year: 2111.91755 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I83
Position: 125639.54-474110.7 Epoch-2000 right ascension and declination
WDS-ID: 12567-4741 WDS designation
Discoverer Code: I83 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 112361 HD catalog number
Hipparcos number: 63182 Hipparcos catalog number
V1: 7.39 Magnitude of the primary
V2: 7.68 Magnitude of the secondary
Equinox: Equinox
Date: 2014 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: Izm2019 Reference

Double Star Orbit for I83



WDS 6th Orbit including measures of I83

-- 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 I83
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.826   239.05
--------------------------
1938.08    0.299   183.95
1939.08    0.313   186.42
1940.08    0.327   188.68
1941.08    0.342   190.75
1942.08    0.356   192.66
1943.08    0.369   194.42
1944.08    0.383   196.06
1945.08    0.397   197.58
1946.08    0.410   199.01
1947.08    0.424   200.34
1948.08    0.437   201.59
1949.08    0.450   202.77
1950.08    0.462   203.89
1951.08    0.475   204.94
1952.08    0.487   205.95
1953.08    0.499   206.90
1954.08    0.511   207.81
1955.08    0.523   208.67
1956.08    0.534   209.50
1957.08    0.545   210.30
1958.08    0.556   211.06
1959.08    0.567   211.80
1960.08    0.578   212.50
1961.08    0.588   213.19
1962.08    0.598   213.84
1963.08    0.608   214.48
1964.08    0.618   215.10
1965.08    0.627   215.70
1966.08    0.637   216.28
1967.08    0.646   216.84
1968.08    0.655   217.39
1969.08    0.663   217.92
1970.08    0.672   218.44
1971.08    0.680   218.95
1972.08    0.688   219.44
1973.08    0.696   219.93
1974.08    0.704   220.40
1975.08    0.711   220.86
1976.08    0.718   221.32
1977.08    0.725   221.76
1978.08    0.732   222.20
1979.08    0.739   222.63
1980.08    0.745   223.05
1981.08    0.751   223.46
1982.08    0.757   223.87
1983.08    0.763   224.27
1984.08    0.769   224.66
1985.08    0.774   225.05
1986.08    0.779   225.44
1987.08    0.785   225.82
1988.08    0.789   226.19
1989.08    0.794   226.56
1990.08    0.798   226.93
1991.08    0.803   227.29
1992.08    0.807   227.64
1993.08    0.811   228.00
1994.08    0.814   228.35
1995.08    0.818   228.70
1996.08    0.821   229.04
1997.08    0.824   229.39
1998.08    0.827   229.73
1999.08    0.830   230.06
2000.08    0.832   230.40
2001.08    0.835   230.73
2002.08    0.837   231.06
2003.08    0.839   231.39
2004.08    0.840   231.72
2005.08    0.842   232.05
2006.08    0.843   232.38
2007.08    0.844   232.70
2008.08    0.845   233.03
2009.08    0.846   233.35
2010.08    0.847   233.67
2011.08    0.847   234.00
2012.08    0.847   234.32
2013.08    0.847   234.64
2014.08    0.847   234.97
2015.08    0.846   235.29
2016.08    0.846   235.61
2017.08    0.845   235.94
2018.08    0.844   236.26
2019.08    0.842   236.59
2020.08    0.841   236.92
2021.08    0.839   237.24
2022.08    0.837   237.57
2023.08    0.835   237.90
2024.08    0.833   238.24
2025.08    0.830   238.57
2026.08    0.827   238.91
2027.08    0.824   239.25
2028.08    0.821   239.59
2029.08    0.818   239.94
2030.08    0.814   240.29
2031.08    0.810   240.64
2032.08    0.806   240.99
2033.08    0.801   241.35
2034.08    0.797   241.71
2035.08    0.792   242.08
2036.08    0.787   242.45
2037.08    0.781   242.83
2038.08    0.776   243.21
2039.08    0.770   243.60
2040.08    0.764   243.99
2041.08    0.757   244.40
2042.08    0.751   244.80
2043.08    0.744   245.22
2044.08    0.737   245.64
2045.08    0.729   246.07
2046.08    0.721   246.51
2047.08    0.713   246.96
2048.08    0.705   247.42
2049.08    0.696   247.90
2050.08    0.687   248.38
2051.08    0.678   248.88
2052.08    0.669   249.39
2053.08    0.659   249.91
2054.08    0.649   250.45
2055.08    0.638   251.01
2056.08    0.627   251.59
2057.08    0.616   252.19
2058.08    0.605   252.81
2059.08    0.593   253.46
2060.08    0.580   254.13
2061.08    0.568   254.84
2062.08    0.555   255.57
2063.08    0.541   256.34
2064.08    0.527   257.15
2065.08    0.513   258.01
2066.08    0.499   258.92
2067.08    0.483   259.88
2068.08    0.468   260.90
2069.08    0.452   262.00
2070.08    0.435   263.18
2071.08    0.418   264.45
2072.08    0.401   265.83
2073.08    0.383   267.34
2074.08    0.364   269.00
2075.08    0.345   270.84
2076.08    0.326   272.90
2077.08    0.306   275.22
2078.08    0.286   277.87
2079.08    0.265   280.93
2080.08    0.244   284.51
2081.08    0.223   288.77
2082.08    0.202   293.90
2083.08    0.182   300.19
2084.08    0.163   308.00
2085.08    0.146   317.75
2086.08    0.133   329.76
2087.08    0.124   343.96
2088.08    0.121   359.52
2089.08    0.124    15.01
2090.08    0.132    29.21
2091.08    0.141    41.68
2092.08    0.150    52.60
2093.08    0.157    62.44
2094.08    0.161    71.63
2095.08    0.162    80.52
2096.08    0.162    89.31
2097.08    0.162    98.11
2098.08    0.163   106.89
2099.08    0.164   115.56
2100.08    0.168   123.98
2101.08    0.173   132.00
2102.08    0.179   139.48
2103.08    0.188   146.36
2104.08    0.198   152.61
2105.08    0.208   158.24
2106.08    0.220   163.29
2107.08    0.233   167.81
2108.08    0.246   171.85
2109.08    0.260   175.48
2110.08    0.273   178.75
2111.08    0.287   181.70






Disclaimer
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 16:51:13



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