Double Star Calculator - Orbit

Orbital Elements for I52

WDS:	I52	WDS ID/Discoverer
P:	223.900	Orbital period (years)
a:	0.372	Semi-major axis (arcseconds)
i:	150.4	Inclination (degrees)
Ω:	20.9	Longitude of ascending node (degrees)
T:	1969.740	Epoch of periastron passage (year)
e:	0.847	Eccentricity
ω:	12.5	Longitude of periastron (degrees)
Start-Year:	1913.05	Year
End-Year:	2136.95	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I52
Position:	014740.54-435816.2	Epoch-2000 right ascension and declination
WDS-ID:	01477-4358	WDS designation
Discoverer Code:	I52	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	11057	HD catalog number
Hipparcos number:	8353	Hipparcos catalog number
V1:	8.47	Magnitude of the primary
V2:	9.10	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	Date of last observation
Orbit grade:	4	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 I52

WDS 6th Orbit including measures of I52

-- 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 I52

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.570   203.63
--------------------------
1913.05    0.554   175.94
1914.05    0.549   175.60
1915.05    0.545   175.26
1916.05    0.540   174.91
1917.05    0.534   174.55
1918.05    0.529   174.19
1919.05    0.524   173.81
1920.05    0.518   173.44
1921.05    0.513   173.05
1922.05    0.507   172.65
1923.05    0.501   172.25
1924.05    0.495   171.83
1925.05    0.489   171.41
1926.05    0.483   170.98
1927.05    0.477   170.53
1928.05    0.471   170.07
1929.05    0.464   169.60
1930.05    0.457   169.12
1931.05    0.451   168.62
1932.05    0.444   168.10
1933.05    0.437   167.57
1934.05    0.429   167.02
1935.05    0.422   166.46
1936.05    0.414   165.87
1937.05    0.407   165.26
1938.05    0.399   164.62
1939.05    0.391   163.96
1940.05    0.383   163.28
1941.05    0.374   162.56
1942.05    0.366   161.81
1943.05    0.357   161.02
1944.05    0.348   160.19
1945.05    0.339   159.32
1946.05    0.329   158.40
1947.05    0.320   157.42
1948.05    0.310   156.38
1949.05    0.300   155.28
1950.05    0.290   154.10
1951.05    0.279   152.83
1952.05    0.269   151.46
1953.05    0.258   149.97
1954.05    0.246   148.35
1955.05    0.235   146.57
1956.05    0.223   144.61
1957.05    0.211   142.42
1958.05    0.198   139.96
1959.05    0.185   137.15
1960.05    0.172   133.93
1961.05    0.159   130.16
1962.05    0.145   125.68
1963.05    0.131   120.25
1964.05    0.117   113.51
1965.05    0.103   104.90
1966.05    0.089    93.61
1967.05    0.076    78.44
1968.05    0.066    57.97
1969.05    0.059    31.36
1970.05    0.056   359.96
1971.05    0.059   328.60
1972.05    0.069   303.13
1973.05    0.083   284.96
1974.05    0.098   272.25
1975.05    0.114   263.08
1976.05    0.130   256.18
1977.05    0.146   250.79
1978.05    0.162   246.44
1979.05    0.177   242.84
1980.05    0.191   239.79
1981.05    0.205   237.16
1982.05    0.218   234.87
1983.05    0.232   232.84
1984.05    0.244   231.02
1985.05    0.257   229.38
1986.05    0.269   227.89
1987.05    0.280   226.52
1988.05    0.291   225.26
1989.05    0.302   224.09
1990.05    0.313   223.01
1991.05    0.323   221.99
1992.05    0.334   221.04
1993.05    0.343   220.14
1994.05    0.353   219.29
1995.05    0.362   218.49
1996.05    0.372   217.72
1997.05    0.380   217.00
1998.05    0.389   216.30
1999.05    0.398   215.64
2000.05    0.406   215.00
2001.05    0.414   214.39
2002.05    0.422   213.80
2003.05    0.430   213.24
2004.05    0.437   212.69
2005.05    0.445   212.16
2006.05    0.452   211.65
2007.05    0.459   211.15
2008.05    0.466   210.67
2009.05    0.473   210.21
2010.05    0.480   209.75
2011.05    0.486   209.31
2012.05    0.492   208.88
2013.05    0.499   208.46
2014.05    0.505   208.05
2015.05    0.511   207.66
2016.05    0.516   207.27
2017.05    0.522   206.88
2018.05    0.528   206.51
2019.05    0.533   206.15
2020.05    0.538   205.79
2021.05    0.544   205.44
2022.05    0.549   205.09
2023.05    0.554   204.75
2024.05    0.559   204.42
2025.05    0.563   204.09
2026.05    0.568   203.77
2027.05    0.572   203.46
2028.05    0.577   203.15
2029.05    0.581   202.84
2030.05    0.585   202.54
2031.05    0.590   202.24
2032.05    0.594   201.94
2033.05    0.597   201.65
2034.05    0.601   201.37
2035.05    0.605   201.09
2036.05    0.609   200.81
2037.05    0.612   200.53
2038.05    0.616   200.26
2039.05    0.619   199.99
2040.05    0.622   199.72
2041.05    0.625   199.46
2042.05    0.628   199.19
2043.05    0.631   198.93
2044.05    0.634   198.68
2045.05    0.637   198.42
2046.05    0.640   198.17
2047.05    0.642   197.92
2048.05    0.645   197.67
2049.05    0.647   197.43
2050.05    0.650   197.18
2051.05    0.652   196.94
2052.05    0.654   196.70
2053.05    0.656   196.46
2054.05    0.658   196.22
2055.05    0.660   195.98
2056.05    0.662   195.75
2057.05    0.664   195.51
2058.05    0.666   195.28
2059.05    0.667   195.05
2060.05    0.669   194.82
2061.05    0.670   194.59
2062.05    0.672   194.36
2063.05    0.673   194.13
2064.05    0.674   193.91
2065.05    0.675   193.68
2066.05    0.676   193.45
2067.05    0.677   193.23
2068.05    0.678   193.01
2069.05    0.679   192.78
2070.05    0.680   192.56
2071.05    0.681   192.34
2072.05    0.681   192.12
2073.05    0.682   191.89
2074.05    0.682   191.67
2075.05    0.683   191.45
2076.05    0.683   191.23
2077.05    0.683   191.01
2078.05    0.683   190.79
2079.05    0.683   190.57
2080.05    0.683   190.35
2081.05    0.683   190.13
2082.05    0.683   189.91
2083.05    0.683   189.69
2084.05    0.683   189.47
2085.05    0.682   189.25
2086.05    0.682   189.03
2087.05    0.681   188.81
2088.05    0.681   188.58
2089.05    0.680   188.36
2090.05    0.679   188.14
2091.05    0.678   187.92
2092.05    0.677   187.69
2093.05    0.677   187.47
2094.05    0.675   187.24
2095.05    0.674   187.02
2096.05    0.673   186.79
2097.05    0.672   186.56
2098.05    0.670   186.33
2099.05    0.669   186.11
2100.05    0.668   185.87
2101.05    0.666   185.64
2102.05    0.664   185.41
2103.05    0.663   185.18
2104.05    0.661   184.94
2105.05    0.659   184.71
2106.05    0.657   184.47
2107.05    0.655   184.23
2108.05    0.653   183.99
2109.05    0.650   183.75
2110.05    0.648   183.50
2111.05    0.646   183.26
2112.05    0.643   183.01
2113.05    0.641   182.76
2114.05    0.638   182.51
2115.05    0.635   182.25
2116.05    0.633   182.00
2117.05    0.630   181.74
2118.05    0.627   181.48
2119.05    0.624   181.22
2120.05    0.621   180.95
2121.05    0.617   180.68
2122.05    0.614   180.41
2123.05    0.611   180.14
2124.05    0.607   179.86
2125.05    0.604   179.58
2126.05    0.600   179.30
2127.05    0.596   179.01
2128.05    0.593   178.72
2129.05    0.589   178.42
2130.05    0.585   178.12
2131.05    0.580   177.82
2132.05    0.576   177.51
2133.05    0.572   177.20
2134.05    0.568   176.89
2135.05    0.563   176.56
2136.05    0.558   176.24

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 14:53:47