Double Star Calculator - Orbit

Orbital Elements for I1224

WDS:	I1224	WDS ID/Discoverer
P:	183.749	Orbital period (years)
a:	0.243	Semi-major axis (arcseconds)
i:	73.0	Inclination (degrees)
Ω:	156.7	Longitude of ascending node (degrees)
T:	2052.110	Epoch of periastron passage (year)
e:	0.38	Eccentricity
ω:	37.9	Longitude of periastron (degrees)
Start-Year:	1933.1255	Year
End-Year:	2116.8745	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I1224
Position:	125959.05-412327.0	Epoch-2000 right ascension and declination
WDS-ID:	13000-4123	WDS designation
Discoverer Code:	I1224	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	8.1	Magnitude of the primary
V2:	8.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	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:	Tok2018e	Reference

Double Star Orbit for I1224

WDS 6th Orbit including measures of I1224

-- 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 I1224

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.131   133.75
--------------------------
1933.13    0.309   339.94
1934.13    0.310   340.27
1935.13    0.310   340.60
1936.13    0.310   340.92
1937.13    0.310   341.25
1938.13    0.310   341.57
1939.13    0.309   341.90
1940.13    0.309   342.23
1941.13    0.308   342.56
1942.13    0.307   342.89
1943.13    0.307   343.22
1944.13    0.306   343.55
1945.13    0.304   343.89
1946.13    0.303   344.23
1947.13    0.302   344.57
1948.13    0.300   344.92
1949.13    0.298   345.26
1950.13    0.297   345.62
1951.13    0.295   345.98
1952.13    0.292   346.34
1953.13    0.290   346.71
1954.13    0.288   347.08
1955.13    0.286   347.46
1956.13    0.283   347.85
1957.13    0.280   348.24
1958.13    0.278   348.65
1959.13    0.275   349.06
1960.13    0.272   349.48
1961.13    0.269   349.90
1962.13    0.265   350.34
1963.13    0.262   350.79
1964.13    0.259   351.25
1965.13    0.255   351.73
1966.13    0.252   352.21
1967.13    0.248   352.72
1968.13    0.244   353.23
1969.13    0.240   353.77
1970.13    0.236   354.32
1971.13    0.232   354.89
1972.13    0.228   355.48
1973.13    0.224   356.09
1974.13    0.220   356.73
1975.13    0.215   357.39
1976.13    0.211   358.08
1977.13    0.206   358.79
1978.13    0.202   359.54
1979.13    0.197     0.33
1980.13    0.193     1.15
1981.13    0.188     2.02
1982.13    0.183     2.93
1983.13    0.178     3.89
1984.13    0.173     4.90
1985.13    0.168     5.97
1986.13    0.164     7.11
1987.13    0.159     8.32
1988.13    0.154     9.60
1989.13    0.149    10.97
1990.13    0.144    12.43
1991.13    0.139    14.00
1992.13    0.134    15.68
1993.13    0.129    17.50
1994.13    0.124    19.45
1995.13    0.120    21.55
1996.13    0.115    23.83
1997.13    0.111    26.29
1998.13    0.106    28.96
1999.13    0.102    31.85
2000.13    0.098    34.97
2001.13    0.094    38.35
2002.13    0.091    42.00
2003.13    0.088    45.91
2004.13    0.085    50.09
2005.13    0.083    54.51
2006.13    0.081    59.17
2007.13    0.080    64.00
2008.13    0.079    68.97
2009.13    0.079    74.01
2010.13    0.079    79.05
2011.13    0.080    84.02
2012.13    0.081    88.86
2013.13    0.083    93.52
2014.13    0.085    97.95
2015.13    0.088   102.15
2016.13    0.091   106.08
2017.13    0.094   109.75
2018.13    0.098   113.17
2019.13    0.101   116.34
2020.13    0.105   119.28
2021.13    0.109   122.01
2022.13    0.113   124.54
2023.13    0.117   126.90
2024.13    0.121   129.09
2025.13    0.126   131.14
2026.13    0.130   133.06
2027.13    0.134   134.87
2028.13    0.137   136.57
2029.13    0.141   138.18
2030.13    0.145   139.72
2031.13    0.148   141.17
2032.13    0.151   142.57
2033.13    0.154   143.92
2034.13    0.157   145.21
2035.13    0.159   146.47
2036.13    0.161   147.70
2037.13    0.162   148.90
2038.13    0.163   150.08
2039.13    0.164   151.25
2040.13    0.164   152.42
2041.13    0.163   153.59
2042.13    0.163   154.76
2043.13    0.161   155.96
2044.13    0.159   157.18
2045.13    0.156   158.43
2046.13    0.153   159.74
2047.13    0.149   161.10
2048.13    0.145   162.54
2049.13    0.140   164.08
2050.13    0.134   165.74
2051.13    0.128   167.56
2052.13    0.122   169.56
2053.13    0.115   171.79
2054.13    0.107   174.33
2055.13    0.100   177.24
2056.13    0.092   180.65
2057.13    0.084   184.69
2058.13    0.076   189.57
2059.13    0.069   195.51
2060.13    0.062   202.83
2061.13    0.056   211.79
2062.13    0.052   222.52
2063.13    0.050   234.74
2064.13    0.049   247.64
2065.13    0.051   260.06
2066.13    0.056   271.08
2067.13    0.061   280.33
2068.13    0.068   287.88
2069.13    0.075   293.99
2070.13    0.084   298.96
2071.13    0.092   303.04
2072.13    0.100   306.43
2073.13    0.109   309.30
2074.13    0.117   311.74
2075.13    0.126   313.85
2076.13    0.134   315.70
2077.13    0.143   317.33
2078.13    0.151   318.79
2079.13    0.159   320.09
2080.13    0.167   321.28
2081.13    0.174   322.36
2082.13    0.181   323.35
2083.13    0.189   324.26
2084.13    0.196   325.11
2085.13    0.202   325.90
2086.13    0.209   326.64
2087.13    0.215   327.34
2088.13    0.221   328.00
2089.13    0.227   328.62
2090.13    0.233   329.21
2091.13    0.238   329.78
2092.13    0.243   330.32
2093.13    0.248   330.83
2094.13    0.253   331.33
2095.13    0.258   331.81
2096.13    0.262   332.28
2097.13    0.266   332.73
2098.13    0.270   333.16
2099.13    0.274   333.58
2100.13    0.277   334.00
2101.13    0.281   334.40
2102.13    0.284   334.79
2103.13    0.287   335.18
2104.13    0.289   335.55
2105.13    0.292   335.92
2106.13    0.294   336.29
2107.13    0.297   336.65
2108.13    0.299   337.00
2109.13    0.301   337.35
2110.13    0.302   337.69
2111.13    0.304   338.03
2112.13    0.305   338.37
2113.13    0.306   338.71
2114.13    0.307   339.04
2115.13    0.308   339.37
2116.13    0.309   339.70

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 16:51:43