Double Star Calculator - Orbit

Orbital Elements for A922AA,AB
WDS: A922AA,AB WDS ID/Discoverer
P: 106.440 Orbital period (years)
a: 0.786 Semi-major axis (arcseconds)
i: 83.8 Inclination (degrees)
Ω: 178.8 Longitude of ascending node (degrees)
T: 2058.040 Epoch of periastron passage (year)
e: 0.99 Eccentricity
ω: 286.7 Longitude of periastron (degrees)
Start-Year: 1971.78 Year
End-Year: 2078.22 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A922AA,AB
Position: 005050.92+320258.2 Epoch-2000 right ascension and declination
WDS-ID: 00508+3203 WDS designation
Discoverer Code: A922AA,AB Discover designation and components
ADS number: 691 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.61 Magnitude of the primary
V2: 9.77 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1999 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: Msn2001c Reference

Double Star Orbit for A922AA,AB



WDS 6th Orbit including measures of A922AA,AB

-- 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 A922AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.488   341.85
--------------------------
1971.78    0.266   331.55
1972.78    0.276   331.98
1973.78    0.286   332.39
1974.78    0.296   332.76
1975.78    0.305   333.11
1976.78    0.314   333.45
1977.78    0.323   333.76
1978.78    0.331   334.06
1979.78    0.340   334.34
1980.78    0.348   334.61
1981.78    0.356   334.87
1982.78    0.363   335.11
1983.78    0.371   335.35
1984.78    0.378   335.58
1985.78    0.385   335.80
1986.78    0.392   336.01
1987.78    0.398   336.21
1988.78    0.404   336.41
1989.78    0.410   336.60
1990.78    0.416   336.79
1991.78    0.422   336.97
1992.78    0.428   337.15
1993.78    0.433   337.32
1994.78    0.438   337.49
1995.78    0.443   337.65
1996.78    0.448   337.81
1997.78    0.452   337.97
1998.78    0.456   338.12
1999.78    0.460   338.27
2000.78    0.464   338.42
2001.78    0.468   338.57
2002.78    0.471   338.71
2003.78    0.475   338.86
2004.78    0.478   339.00
2005.78    0.480   339.14
2006.78    0.483   339.27
2007.78    0.485   339.41
2008.78    0.488   339.54
2009.78    0.490   339.68
2010.78    0.491   339.81
2011.78    0.493   339.94
2012.78    0.494   340.07
2013.78    0.495   340.20
2014.78    0.496   340.33
2015.78    0.497   340.46
2016.78    0.497   340.59
2017.78    0.497   340.72
2018.78    0.497   340.85
2019.78    0.497   340.97
2020.78    0.496   341.10
2021.78    0.496   341.23
2022.78    0.495   341.36
2023.78    0.493   341.49
2024.78    0.491   341.62
2025.78    0.490   341.76
2026.78    0.487   341.89
2027.78    0.485   342.02
2028.78    0.482   342.16
2029.78    0.479   342.30
2030.78    0.475   342.44
2031.78    0.471   342.58
2032.78    0.467   342.73
2033.78    0.463   342.87
2034.78    0.458   343.02
2035.78    0.452   343.18
2036.78    0.446   343.33
2037.78    0.440   343.50
2038.78    0.433   343.66
2039.78    0.426   343.84
2040.78    0.418   344.01
2041.78    0.410   344.20
2042.78    0.401   344.39
2043.78    0.391   344.60
2044.78    0.381   344.81
2045.78    0.370   345.04
2046.78    0.358   345.28
2047.78    0.345   345.54
2048.78    0.330   345.81
2049.78    0.315   346.12
2050.78    0.298   346.46
2051.78    0.279   346.84
2052.78    0.258   347.28
2053.78    0.235   347.81
2054.78    0.207   348.46
2055.78    0.174   349.33
2056.78    0.131   350.70
2057.78    0.059   354.38
2058.78    0.027   214.67
2059.78    0.029   256.53
2060.78    0.040   284.29
2061.78    0.054   298.96
2062.78    0.070   307.34
2063.78    0.085   312.71
2064.78    0.100   316.45
2065.78    0.115   319.21
2066.78    0.129   321.36
2067.78    0.143   323.09
2068.78    0.156   324.51
2069.78    0.170   325.71
2070.78    0.182   326.74
2071.78    0.195   327.63
2072.78    0.207   328.43
2073.78    0.218   329.13
2074.78    0.230   329.77
2075.78    0.241   330.34
2076.78    0.251   330.87
2077.78    0.262   331.35






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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.


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Double Star Calculator: Version 1.2 ($Rev: 2397 $)
Report created: 2026-06-25 14:43:58



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