Double Star Calculator - Orbit

Orbital Elements for CRE2AA,AB
WDS: CRE2AA,AB WDS ID/Discoverer
P: 107.000 Orbital period (years)
a: 0.84 Semi-major axis (arcseconds)
i: 45.2 Inclination (degrees)
Ω: 39.3 Longitude of ascending node (degrees)
T: 2047.285 Epoch of periastron passage (year)
e: 0.12 Eccentricity
ω: -0.0 Longitude of periastron (degrees)
Start-Year: 1971.5 Year
End-Year: 2078.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for CRE2AA,AB
Position: 051317.55+372015.5 Epoch-2000 right ascension and declination
WDS-ID: 05133+3720 WDS designation
Discoverer Code: CRE2AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 33632 HD catalog number
Hipparcos number: 24332 Hipparcos catalog number
V1: 6.5 Magnitude of the primary
V2: 11.0 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Bdt2021b Reference

Double Star Orbit for CRE2AA,AB



WDS 6th Orbit including measures of CRE2AA,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 CRE2AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.579   318.60
--------------------------
1971.50    0.682   165.99
1972.50    0.699   169.47
1973.50    0.716   172.79
1974.50    0.734   175.95
1975.50    0.751   178.96
1976.50    0.768   181.84
1977.50    0.785   184.59
1978.50    0.802   187.23
1979.50    0.818   189.76
1980.50    0.833   192.20
1981.50    0.848   194.55
1982.50    0.862   196.82
1983.50    0.875   199.02
1984.50    0.886   201.16
1985.50    0.897   203.25
1986.50    0.907   205.29
1987.50    0.915   207.29
1988.50    0.923   209.25
1989.50    0.929   211.19
1990.50    0.934   213.11
1991.50    0.937   215.00
1992.50    0.940   216.89
1993.50    0.941   218.77
1994.50    0.940   220.64
1995.50    0.939   222.52
1996.50    0.936   224.41
1997.50    0.932   226.31
1998.50    0.926   228.24
1999.50    0.920   230.19
2000.50    0.912   232.17
2001.50    0.903   234.18
2002.50    0.893   236.24
2003.50    0.881   238.35
2004.50    0.869   240.52
2005.50    0.856   242.75
2006.50    0.842   245.06
2007.50    0.827   247.44
2008.50    0.811   249.92
2009.50    0.795   252.49
2010.50    0.778   255.18
2011.50    0.761   257.98
2012.50    0.744   260.91
2013.50    0.726   263.99
2014.50    0.709   267.22
2015.50    0.692   270.60
2016.50    0.675   274.16
2017.50    0.659   277.89
2018.50    0.644   281.80
2019.50    0.630   285.90
2020.50    0.617   290.17
2021.50    0.606   294.61
2022.50    0.597   299.20
2023.50    0.589   303.92
2024.50    0.584   308.75
2025.50    0.580   313.66
2026.50    0.579   318.60
2027.50    0.580   323.54
2028.50    0.583   328.45
2029.50    0.588   333.30
2030.50    0.595   338.04
2031.50    0.603   342.67
2032.50    0.613   347.17
2033.50    0.623   351.52
2034.50    0.635   355.72
2035.50    0.647   359.76
2036.50    0.659     3.66
2037.50    0.671     7.42
2038.50    0.682    11.05
2039.50    0.693    14.56
2040.50    0.704    17.97
2041.50    0.713    21.28
2042.50    0.721    24.51
2043.50    0.728    27.67
2044.50    0.733    30.79
2045.50    0.737    33.86
2046.50    0.739    36.91
2047.50    0.739    39.95
2048.50    0.738    43.00
2049.50    0.735    46.06
2050.50    0.731    49.15
2051.50    0.725    52.28
2052.50    0.718    55.47
2053.50    0.709    58.74
2054.50    0.699    62.09
2055.50    0.689    65.53
2056.50    0.677    69.09
2057.50    0.666    72.78
2058.50    0.653    76.60
2059.50    0.641    80.56
2060.50    0.630    84.67
2061.50    0.619    88.93
2062.50    0.608    93.35
2063.50    0.599    97.90
2064.50    0.592   102.58
2065.50    0.586   107.38
2066.50    0.582   112.25
2067.50    0.580   117.18
2068.50    0.580   122.13
2069.50    0.582   127.06
2070.50    0.586   131.94
2071.50    0.592   136.72
2072.50    0.601   141.39
2073.50    0.611   145.92
2074.50    0.623   150.29
2075.50    0.636   154.48
2076.50    0.650   158.50
2077.50    0.666   162.34






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 15:35:04



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