Double Star Calculator - Orbit

Orbital Elements for I1450
WDS: I1450 WDS ID/Discoverer
P: 201.750 Orbital period (years)
a: 0.599 Semi-major axis (arcseconds)
i: 58.4 Inclination (degrees)
Ω: 10.2 Longitude of ascending node (degrees)
T: 1961.800 Epoch of periastron passage (year)
e: 0.78 Eccentricity
ω: 162.8 Longitude of periastron (degrees)
Start-Year: 1924.125 Year
End-Year: 2125.875 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I1450
Position: 220039.40-500207.3 Epoch-2000 right ascension and declination
WDS-ID: 22007-5002 WDS designation
Discoverer Code: I1450 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 208890 HD catalog number
Hipparcos number: 108651 Hipparcos catalog number
V1: 10.26 Magnitude of the primary
V2: 9.95 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Doc2016i Reference

Double Star Orbit for I1450



WDS 6th Orbit including measures of I1450

-- 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 I1450
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.873   352.87
--------------------------
1924.12    0.744    15.89
1925.12    0.732    16.27
1926.12    0.720    16.67
1927.12    0.707    17.08
1928.12    0.694    17.51
1929.12    0.680    17.96
1930.12    0.666    18.42
1931.12    0.652    18.90
1932.12    0.637    19.41
1933.12    0.622    19.94
1934.12    0.606    20.50
1935.12    0.590    21.08
1936.12    0.574    21.70
1937.12    0.557    22.36
1938.12    0.539    23.06
1939.12    0.521    23.81
1940.12    0.503    24.61
1941.12    0.484    25.47
1942.12    0.464    26.40
1943.12    0.444    27.42
1944.12    0.423    28.54
1945.12    0.402    29.78
1946.12    0.379    31.15
1947.12    0.357    32.71
1948.12    0.333    34.47
1949.12    0.309    36.51
1950.12    0.284    38.91
1951.12    0.258    41.78
1952.12    0.232    45.28
1953.12    0.205    49.70
1954.12    0.178    55.43
1955.12    0.152    63.17
1956.12    0.128    73.99
1957.12    0.108    89.35
1958.12    0.096   110.02
1959.12    0.095   133.54
1960.12    0.105   154.83
1961.12    0.119   171.67
1962.12    0.131   185.07
1963.12    0.137   196.66
1964.12    0.139   207.62
1965.12    0.137   218.64
1966.12    0.135   229.96
1967.12    0.135   241.49
1968.12    0.137   252.85
1969.12    0.143   263.59
1970.12    0.151   273.34
1971.12    0.162   281.91
1972.12    0.175   289.31
1973.12    0.190   295.63
1974.12    0.205   301.02
1975.12    0.222   305.64
1976.12    0.238   309.61
1977.12    0.255   313.06
1978.12    0.273   316.08
1979.12    0.290   318.73
1980.12    0.307   321.09
1981.12    0.324   323.20
1982.12    0.341   325.10
1983.12    0.358   326.81
1984.12    0.375   328.38
1985.12    0.391   329.81
1986.12    0.407   331.13
1987.12    0.423   332.34
1988.12    0.439   333.47
1989.12    0.455   334.52
1990.12    0.470   335.51
1991.12    0.485   336.43
1992.12    0.500   337.29
1993.12    0.514   338.11
1994.12    0.529   338.88
1995.12    0.543   339.61
1996.12    0.556   340.31
1997.12    0.570   340.97
1998.12    0.583   341.60
1999.12    0.596   342.21
2000.12    0.609   342.78
2001.12    0.622   343.34
2002.12    0.634   343.87
2003.12    0.647   344.38
2004.12    0.659   344.87
2005.12    0.670   345.35
2006.12    0.682   345.81
2007.12    0.693   346.25
2008.12    0.704   346.68
2009.12    0.715   347.10
2010.12    0.726   347.50
2011.12    0.736   347.90
2012.12    0.747   348.28
2013.12    0.757   348.65
2014.12    0.767   349.01
2015.12    0.776   349.36
2016.12    0.786   349.71
2017.12    0.795   350.04
2018.12    0.804   350.37
2019.12    0.813   350.69
2020.12    0.822   351.01
2021.12    0.830   351.32
2022.12    0.839   351.62
2023.12    0.847   351.91
2024.12    0.855   352.20
2025.12    0.863   352.49
2026.12    0.870   352.77
2027.12    0.878   353.04
2028.12    0.885   353.31
2029.12    0.892   353.58
2030.12    0.899   353.84
2031.12    0.906   354.10
2032.12    0.912   354.35
2033.12    0.919   354.60
2034.12    0.925   354.85
2035.12    0.931   355.09
2036.12    0.937   355.33
2037.12    0.943   355.57
2038.12    0.948   355.81
2039.12    0.953   356.04
2040.12    0.959   356.27
2041.12    0.964   356.49
2042.12    0.969   356.72
2043.12    0.973   356.94
2044.12    0.978   357.16
2045.12    0.982   357.38
2046.12    0.986   357.60
2047.12    0.990   357.81
2048.12    0.994   358.03
2049.12    0.998   358.24
2050.12    1.001   358.45
2051.12    1.005   358.66
2052.12    1.008   358.86
2053.12    1.011   359.07
2054.12    1.014   359.27
2055.12    1.017   359.48
2056.12    1.019   359.68
2057.12    1.022   359.88
2058.12    1.024     0.08
2059.12    1.026     0.28
2060.12    1.028     0.48
2061.12    1.029     0.68
2062.12    1.031     0.88
2063.12    1.032     1.08
2064.12    1.034     1.27
2065.12    1.035     1.47
2066.12    1.036     1.66
2067.12    1.036     1.86
2068.12    1.037     2.06
2069.12    1.037     2.25
2070.12    1.038     2.45
2071.12    1.038     2.64
2072.12    1.038     2.84
2073.12    1.037     3.03
2074.12    1.037     3.23
2075.12    1.036     3.42
2076.12    1.035     3.62
2077.12    1.034     3.81
2078.12    1.033     4.01
2079.12    1.032     4.21
2080.12    1.031     4.40
2081.12    1.029     4.60
2082.12    1.027     4.80
2083.12    1.025     5.00
2084.12    1.023     5.20
2085.12    1.020     5.40
2086.12    1.018     5.60
2087.12    1.015     5.81
2088.12    1.012     6.01
2089.12    1.009     6.22
2090.12    1.006     6.42
2091.12    1.002     6.63
2092.12    0.999     6.84
2093.12    0.995     7.05
2094.12    0.991     7.27
2095.12    0.986     7.48
2096.12    0.982     7.70
2097.12    0.977     7.92
2098.12    0.972     8.14
2099.12    0.967     8.36
2100.12    0.962     8.59
2101.12    0.957     8.81
2102.12    0.951     9.04
2103.12    0.945     9.28
2104.12    0.939     9.51
2105.12    0.932     9.75
2106.12    0.926    10.00
2107.12    0.919    10.24
2108.12    0.912    10.49
2109.12    0.905    10.75
2110.12    0.897    11.01
2111.12    0.890    11.27
2112.12    0.882    11.54
2113.12    0.873    11.81
2114.12    0.865    12.09
2115.12    0.856    12.37
2116.12    0.847    12.66
2117.12    0.838    12.96
2118.12    0.828    13.26
2119.12    0.818    13.57
2120.12    0.808    13.89
2121.12    0.798    14.21
2122.12    0.787    14.55
2123.12    0.776    14.89
2124.12    0.765    15.24
2125.12    0.753    15.61






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 18:35:17



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