Double Star Calculator - Orbit

Orbital Elements for A2592AB

WDS:	A2592AB	WDS ID/Discoverer
P:	137.100	Orbital period (years)
a:	0.344	Semi-major axis (arcseconds)
i:	141.4	Inclination (degrees)
Ω:	26.5	Longitude of ascending node (degrees)
T:	2016.090	Epoch of periastron passage (year)
e:	0.357	Eccentricity
ω:	280.5	Longitude of periastron (degrees)
Start-Year:	1956.45	Year
End-Year:	2093.55	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A2592AB
Position:	171541.08-094831.9	Epoch-2000 right ascension and declination
WDS-ID:	17157-0949	WDS designation
Discoverer Code:	A2592AB	Discover designation and components
ADS number:	10423	Aitken Double Star catalog
HD number:	156034	HD catalog number
Hipparcos number:	84430	Hipparcos catalog number
V1:	7.15	Magnitude of the primary
V2:	9.69	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	Tok2021b	Reference

Double Star Orbit for A2592AB

WDS 6th Orbit including measures of A2592AB

-- 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 A2592AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.243    44.78
--------------------------
1956.45    0.377   268.62
1957.45    0.378   267.03
1958.45    0.378   265.44
1959.45    0.379   263.86
1960.45    0.380   262.28
1961.45    0.380   260.71
1962.45    0.381   259.15
1963.45    0.381   257.59
1964.45    0.382   256.03
1965.45    0.382   254.48
1966.45    0.382   252.92
1967.45    0.383   251.37
1968.45    0.383   249.82
1969.45    0.382   248.27
1970.45    0.382   246.72
1971.45    0.382   245.17
1972.45    0.381   243.61
1973.45    0.381   242.05
1974.45    0.380   240.48
1975.45    0.379   238.90
1976.45    0.378   237.32
1977.45    0.377   235.72
1978.45    0.375   234.12
1979.45    0.373   232.50
1980.45    0.371   230.86
1981.45    0.369   229.21
1982.45    0.367   227.53
1983.45    0.364   225.83
1984.45    0.361   224.11
1985.45    0.358   222.36
1986.45    0.355   220.57
1987.45    0.351   218.75
1988.45    0.347   216.88
1989.45    0.343   214.98
1990.45    0.338   213.02
1991.45    0.333   211.00
1992.45    0.327   208.92
1993.45    0.322   206.76
1994.45    0.316   204.53
1995.45    0.309   202.21
1996.45    0.302   199.78
1997.45    0.295   197.25
1998.45    0.288   194.58
1999.45    0.280   191.77
2000.45    0.272   188.79
2001.45    0.264   185.62
2002.45    0.255   182.25
2003.45    0.246   178.63
2004.45    0.237   174.74
2005.45    0.228   170.55
2006.45    0.219   166.02
2007.45    0.211   161.11
2008.45    0.203   155.80
2009.45    0.195   150.05
2010.45    0.188   143.86
2011.45    0.182   137.25
2012.45    0.178   130.26
2013.45    0.175   122.96
2014.45    0.174   115.48
2015.45    0.174   107.95
2016.45    0.176   100.49
2017.45    0.179    93.26
2018.45    0.183    86.34
2019.45    0.189    79.79
2020.45    0.196    73.67
2021.45    0.203    67.97
2022.45    0.211    62.67
2023.45    0.219    57.76
2024.45    0.227    53.20
2025.45    0.235    48.94
2026.45    0.243    44.97
2027.45    0.251    41.25
2028.45    0.258    37.74
2029.45    0.265    34.42
2030.45    0.272    31.28
2031.45    0.278    28.28
2032.45    0.284    25.40
2033.45    0.290    22.65
2034.45    0.295    19.99
2035.45    0.300    17.43
2036.45    0.304    14.94
2037.45    0.308    12.53
2038.45    0.312    10.17
2039.45    0.316     7.87
2040.45    0.319     5.62
2041.45    0.322     3.42
2042.45    0.325     1.25
2043.45    0.328   359.12
2044.45    0.330   357.02
2045.45    0.332   354.95
2046.45    0.334   352.90
2047.45    0.336   350.88
2048.45    0.337   348.88
2049.45    0.339   346.89
2050.45    0.340   344.93
2051.45    0.341   342.97
2052.45    0.343   341.03
2053.45    0.344   339.11
2054.45    0.345   337.19
2055.45    0.346   335.29
2056.45    0.346   333.40
2057.45    0.347   331.51
2058.45    0.348   329.63
2059.45    0.349   327.77
2060.45    0.350   325.91
2061.45    0.350   324.05
2062.45    0.351   322.21
2063.45    0.352   320.37
2064.45    0.352   318.54
2065.45    0.353   316.71
2066.45    0.354   314.90
2067.45    0.354   313.08
2068.45    0.355   311.28
2069.45    0.356   309.48
2070.45    0.356   307.69
2071.45    0.357   305.91
2072.45    0.358   304.14
2073.45    0.359   302.37
2074.45    0.359   300.61
2075.45    0.360   298.86
2076.45    0.361   297.12
2077.45    0.362   295.38
2078.45    0.363   293.66
2079.45    0.364   291.94
2080.45    0.365   290.23
2081.45    0.366   288.53
2082.45    0.367   286.83
2083.45    0.368   285.15
2084.45    0.368   283.48
2085.45    0.369   281.81
2086.45    0.370   280.15
2087.45    0.371   278.50
2088.45    0.372   276.86
2089.45    0.373   275.23
2090.45    0.374   273.61
2091.45    0.375   271.99
2092.45    0.376   270.38
2093.45    0.377   268.78

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 17:35:39