Double Star Calculator - Orbit

Orbital Elements for I403
WDS: I403 WDS ID/Discoverer
P: 225.700 Orbital period (years)
a: 1.11 Semi-major axis (arcseconds)
i: 78.0 Inclination (degrees)
Ω: 16.7 Longitude of ascending node (degrees)
T: 2086.200 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 52.0 Longitude of periastron (degrees)
Start-Year: 1912.15 Year
End-Year: 2137.85 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for I403
Position: 154311.86-444312.4 Epoch-2000 right ascension and declination
WDS-ID: 15432-4443 WDS designation
Discoverer Code: I403 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 140011 HD catalog number
Hipparcos number: 76990 Hipparcos catalog number
V1: 9.22 Magnitude of the primary
V2: 9.92 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2017 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: Tok2018b Reference

Double Star Orbit for I403



WDS 6th Orbit including measures of I403

-- 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 I403
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.290   281.19
--------------------------
1912.15    1.284   198.28
1913.15    1.293   198.49
1914.15    1.302   198.70
1915.15    1.310   198.91
1916.15    1.317   199.11
1917.15    1.324   199.31
1918.15    1.330   199.52
1919.15    1.336   199.71
1920.15    1.341   199.91
1921.15    1.346   200.11
1922.15    1.350   200.30
1923.15    1.354   200.50
1924.15    1.357   200.69
1925.15    1.360   200.88
1926.15    1.363   201.07
1927.15    1.364   201.26
1928.15    1.366   201.45
1929.15    1.367   201.64
1930.15    1.367   201.83
1931.15    1.367   202.02
1932.15    1.367   202.21
1933.15    1.366   202.40
1934.15    1.365   202.59
1935.15    1.364   202.78
1936.15    1.362   202.97
1937.15    1.360   203.16
1938.15    1.357   203.35
1939.15    1.354   203.54
1940.15    1.350   203.74
1941.15    1.346   203.93
1942.15    1.342   204.13
1943.15    1.338   204.32
1944.15    1.333   204.52
1945.15    1.328   204.72
1946.15    1.322   204.92
1947.15    1.316   205.13
1948.15    1.310   205.33
1949.15    1.304   205.54
1950.15    1.297   205.75
1951.15    1.290   205.96
1952.15    1.282   206.18
1953.15    1.275   206.39
1954.15    1.266   206.61
1955.15    1.258   206.83
1956.15    1.250   207.06
1957.15    1.241   207.29
1958.15    1.231   207.52
1959.15    1.222   207.75
1960.15    1.212   207.99
1961.15    1.202   208.23
1962.15    1.192   208.48
1963.15    1.182   208.73
1964.15    1.171   208.99
1965.15    1.160   209.25
1966.15    1.149   209.51
1967.15    1.137   209.79
1968.15    1.125   210.06
1969.15    1.113   210.34
1970.15    1.101   210.63
1971.15    1.089   210.93
1972.15    1.076   211.23
1973.15    1.063   211.54
1974.15    1.050   211.86
1975.15    1.037   212.18
1976.15    1.024   212.51
1977.15    1.010   212.86
1978.15    0.996   213.21
1979.15    0.982   213.57
1980.15    0.968   213.94
1981.15    0.953   214.33
1982.15    0.939   214.72
1983.15    0.924   215.13
1984.15    0.909   215.55
1985.15    0.894   215.99
1986.15    0.879   216.44
1987.15    0.863   216.90
1988.15    0.848   217.39
1989.15    0.832   217.89
1990.15    0.816   218.41
1991.15    0.800   218.95
1992.15    0.784   219.52
1993.15    0.768   220.10
1994.15    0.752   220.72
1995.15    0.735   221.36
1996.15    0.719   222.03
1997.15    0.702   222.73
1998.15    0.685   223.46
1999.15    0.669   224.24
2000.15    0.652   225.05
2001.15    0.635   225.90
2002.15    0.619   226.80
2003.15    0.602   227.75
2004.15    0.585   228.76
2005.15    0.568   229.82
2006.15    0.552   230.95
2007.15    0.535   232.15
2008.15    0.518   233.43
2009.15    0.502   234.79
2010.15    0.486   236.24
2011.15    0.470   237.79
2012.15    0.454   239.45
2013.15    0.438   241.23
2014.15    0.423   243.14
2015.15    0.408   245.18
2016.15    0.394   247.38
2017.15    0.380   249.75
2018.15    0.367   252.29
2019.15    0.354   255.02
2020.15    0.342   257.94
2021.15    0.331   261.07
2022.15    0.321   264.41
2023.15    0.312   267.95
2024.15    0.304   271.70
2025.15    0.297   275.63
2026.15    0.291   279.72
2027.15    0.287   283.95
2028.15    0.285   288.28
2029.15    0.284   292.66
2030.15    0.285   297.04
2031.15    0.287   301.39
2032.15    0.290   305.64
2033.15    0.295   309.77
2034.15    0.302   313.75
2035.15    0.309   317.55
2036.15    0.318   321.15
2037.15    0.328   324.54
2038.15    0.338   327.73
2039.15    0.350   330.72
2040.15    0.362   333.52
2041.15    0.375   336.12
2042.15    0.388   338.55
2043.15    0.402   340.82
2044.15    0.416   342.94
2045.15    0.430   344.92
2046.15    0.445   346.77
2047.15    0.459   348.50
2048.15    0.474   350.13
2049.15    0.488   351.66
2050.15    0.503   353.10
2051.15    0.517   354.46
2052.15    0.531   355.75
2053.15    0.545   356.97
2054.15    0.559   358.13
2055.15    0.572   359.24
2056.15    0.585     0.30
2057.15    0.597     1.31
2058.15    0.609     2.28
2059.15    0.620     3.22
2060.15    0.631     4.12
2061.15    0.641     5.00
2062.15    0.650     5.85
2063.15    0.658     6.67
2064.15    0.665     7.48
2065.15    0.671     8.28
2066.15    0.675     9.06
2067.15    0.679     9.83
2068.15    0.681    10.60
2069.15    0.681    11.36
2070.15    0.680    12.12
2071.15    0.677    12.89
2072.15    0.673    13.66
2073.15    0.666    14.45
2074.15    0.657    15.26
2075.15    0.646    16.10
2076.15    0.632    16.96
2077.15    0.616    17.87
2078.15    0.598    18.83
2079.15    0.576    19.86
2080.15    0.552    20.97
2081.15    0.526    22.19
2082.15    0.496    23.54
2083.15    0.464    25.08
2084.15    0.430    26.85
2085.15    0.394    28.93
2086.15    0.356    31.46
2087.15    0.316    34.61
2088.15    0.276    38.67
2089.15    0.236    44.11
2090.15    0.197    51.74
2091.15    0.163    62.82
2092.15    0.136    78.95
2093.15    0.124   100.30
2094.15    0.131   122.63
2095.15    0.153   140.58
2096.15    0.186   153.10
2097.15    0.224   161.63
2098.15    0.264   167.61
2099.15    0.306   171.99
2100.15    0.348   175.31
2101.15    0.390   177.91
2102.15    0.431   180.01
2103.15    0.472   181.75
2104.15    0.512   183.22
2105.15    0.551   184.47
2106.15    0.588   185.56
2107.15    0.625   186.53
2108.15    0.661   187.38
2109.15    0.695   188.15
2110.15    0.729   188.85
2111.15    0.761   189.49
2112.15    0.792   190.08
2113.15    0.823   190.62
2114.15    0.852   191.12
2115.15    0.880   191.60
2116.15    0.907   192.04
2117.15    0.933   192.46
2118.15    0.958   192.85
2119.15    0.983   193.23
2120.15    1.006   193.59
2121.15    1.028   193.93
2122.15    1.050   194.26
2123.15    1.070   194.57
2124.15    1.090   194.87
2125.15    1.109   195.17
2126.15    1.127   195.45
2127.15    1.144   195.72
2128.15    1.161   195.99
2129.15    1.176   196.25
2130.15    1.191   196.50
2131.15    1.206   196.75
2132.15    1.219   196.99
2133.15    1.232   197.23
2134.15    1.244   197.46
2135.15    1.256   197.68
2136.15    1.267   197.91
2137.15    1.277   198.12






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 17:19:04



www.stella-vega.de