Double Star Calculator - Orbit

Orbital Elements for I345AB

WDS:	I345AB	WDS ID/Discoverer
P:	123.200	Orbital period (years)
a:	0.287	Semi-major axis (arcseconds)
i:	124.8	Inclination (degrees)
Ω:	30.5	Longitude of ascending node (degrees)
T:	1995.500	Epoch of periastron passage (year)
e:	0.692	Eccentricity
ω:	47.8	Longitude of periastron (degrees)
Start-Year:	1963.4	Year
End-Year:	2086.6	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for I345AB
Position:	052446.29-521858.2	Epoch-2000 right ascension and declination
WDS-ID:	05248-5219	WDS designation
Discoverer Code:	I345AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	35860	HD catalog number
Hipparcos number:	25303	Hipparcos catalog number
V1:	6.76	Magnitude of the primary
V2:	7.40	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	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:	Ary2010	Reference

Double Star Orbit for I345AB

WDS 6th Orbit including measures of I345AB

-- 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 I345AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.378   197.50
--------------------------
1963.40    0.251   149.60
1964.40    0.245   147.99
1965.40    0.239   146.30
1966.40    0.233   144.52
1967.40    0.227   142.65
1968.40    0.221   140.67
1969.40    0.215   138.58
1970.40    0.209   136.37
1971.40    0.203   134.03
1972.40    0.197   131.54
1973.40    0.191   128.91
1974.40    0.185   126.11
1975.40    0.180   123.13
1976.40    0.174   119.96
1977.40    0.169   116.59
1978.40    0.164   113.01
1979.40    0.159   109.21
1980.40    0.155   105.18
1981.40    0.150   100.92
1982.40    0.147    96.42
1983.40    0.143    91.69
1984.40    0.140    86.72
1985.40    0.137    81.53
1986.40    0.134    76.10
1987.40    0.131    70.45
1988.40    0.128    64.55
1989.40    0.125    58.37
1990.40    0.121    51.83
1991.40    0.116    44.79
1992.40    0.109    36.96
1993.40    0.099    27.81
1994.40    0.086    16.30
1995.40    0.072     0.29
1996.40    0.059   336.48
1997.40    0.056   305.20
1998.40    0.065   277.06
1999.40    0.082   258.37
2000.40    0.102   246.56
2001.40    0.122   238.64
2002.40    0.142   232.93
2003.40    0.160   228.58
2004.40    0.178   225.11
2005.40    0.194   222.25
2006.40    0.210   219.81
2007.40    0.224   217.70
2008.40    0.238   215.84
2009.40    0.250   214.17
2010.40    0.262   212.66
2011.40    0.273   211.28
2012.40    0.284   210.00
2013.40    0.293   208.81
2014.40    0.303   207.69
2015.40    0.311   206.64
2016.40    0.319   205.64
2017.40    0.327   204.69
2018.40    0.334   203.79
2019.40    0.341   202.92
2020.40    0.347   202.08
2021.40    0.353   201.27
2022.40    0.359   200.49
2023.40    0.364   199.73
2024.40    0.369   198.99
2025.40    0.373   198.27
2026.40    0.377   197.57
2027.40    0.381   196.88
2028.40    0.385   196.20
2029.40    0.388   195.53
2030.40    0.391   194.88
2031.40    0.393   194.23
2032.40    0.396   193.60
2033.40    0.398   192.97
2034.40    0.400   192.34
2035.40    0.401   191.72
2036.40    0.403   191.11
2037.40    0.404   190.50
2038.40    0.405   189.89
2039.40    0.405   189.29
2040.40    0.406   188.68
2041.40    0.406   188.08
2042.40    0.406   187.48
2043.40    0.406   186.88
2044.40    0.406   186.28
2045.40    0.405   185.67
2046.40    0.404   185.07
2047.40    0.403   184.46
2048.40    0.402   183.85
2049.40    0.401   183.23
2050.40    0.400   182.61
2051.40    0.398   181.99
2052.40    0.396   181.36
2053.40    0.394   180.73
2054.40    0.392   180.08
2055.40    0.390   179.44
2056.40    0.387   178.78
2057.40    0.385   178.11
2058.40    0.382   177.44
2059.40    0.379   176.75
2060.40    0.376   176.06
2061.40    0.373   175.35
2062.40    0.369   174.63
2063.40    0.366   173.89
2064.40    0.362   173.15
2065.40    0.358   172.38
2066.40    0.355   171.60
2067.40    0.350   170.80
2068.40    0.346   169.99
2069.40    0.342   169.15
2070.40    0.338   168.29
2071.40    0.333   167.41
2072.40    0.328   166.50
2073.40    0.324   165.57
2074.40    0.319   164.61
2075.40    0.314   163.61
2076.40    0.309   162.59
2077.40    0.303   161.53
2078.40    0.298   160.43
2079.40    0.293   159.30
2080.40    0.287   158.12
2081.40    0.281   156.89
2082.40    0.276   155.61
2083.40    0.270   154.28
2084.40    0.264   152.89
2085.40    0.258   151.44
2086.40    0.252   149.92

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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 15:36:51