Double Star Calculator - Orbit

Orbital Elements for COR8BA,BB
WDS: COR8BA,BB WDS ID/Discoverer
P: 111.000 Orbital period (years)
a: 0.181 Semi-major axis (arcseconds)
i: 132.1 Inclination (degrees)
Ω: 72.0 Longitude of ascending node (degrees)
T: 2009.340 Epoch of periastron passage (year)
e: 0.64 Eccentricity
ω: 110.9 Longitude of periastron (degrees)
Start-Year: 1969.5 Year
End-Year: 2080.5 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for COR8BA,BB
Position: 162658.43-244531.8 Epoch-2000 right ascension and declination
WDS-ID: 16270-2446 WDS designation
Discoverer Code: COR8BA,BB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.1 Magnitude of the primary
V2: 9.8 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2015 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: Sfr2018 Reference

Double Star Orbit for COR8BA,BB



WDS 6th Orbit including measures of COR8BA,BB

-- 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 COR8BA,BB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.140   199.91
--------------------------
1969.50    0.224   114.70
1970.50    0.224   113.61
1971.50    0.223   112.51
1972.50    0.223   111.41
1973.50    0.222   110.31
1974.50    0.222   109.20
1975.50    0.221   108.08
1976.50    0.220   106.95
1977.50    0.219   105.81
1978.50    0.218   104.66
1979.50    0.216   103.50
1980.50    0.214   102.32
1981.50    0.213   101.12
1982.50    0.211    99.90
1983.50    0.209    98.65
1984.50    0.206    97.38
1985.50    0.204    96.08
1986.50    0.201    94.74
1987.50    0.198    93.36
1988.50    0.194    91.93
1989.50    0.191    90.45
1990.50    0.187    88.91
1991.50    0.182    87.31
1992.50    0.178    85.62
1993.50    0.173    83.83
1994.50    0.167    81.94
1995.50    0.161    79.91
1996.50    0.155    77.72
1997.50    0.148    75.33
1998.50    0.140    72.70
1999.50    0.132    69.75
2000.50    0.123    66.40
2001.50    0.114    62.51
2002.50    0.104    57.88
2003.50    0.092    52.17
2004.50    0.081    44.84
2005.50    0.069    34.96
2006.50    0.057    20.96
2007.50    0.048     0.84
2008.50    0.045   334.70
2009.50    0.048   308.44
2010.50    0.056   287.92
2011.50    0.066   273.21
2012.50    0.076   262.37
2013.50    0.085   253.92
2014.50    0.093   246.97
2015.50    0.099   241.03
2016.50    0.105   235.79
2017.50    0.110   231.06
2018.50    0.115   226.74
2019.50    0.119   222.72
2020.50    0.122   218.95
2021.50    0.126   215.40
2022.50    0.129   212.02
2023.50    0.132   208.80
2024.50    0.135   205.72
2025.50    0.137   202.76
2026.50    0.140   199.91
2027.50    0.142   197.16
2028.50    0.145   194.50
2029.50    0.147   191.93
2030.50    0.149   189.44
2031.50    0.152   187.02
2032.50    0.154   184.68
2033.50    0.156   182.40
2034.50    0.158   180.18
2035.50    0.160   178.03
2036.50    0.163   175.93
2037.50    0.165   173.89
2038.50    0.167   171.90
2039.50    0.169   169.96
2040.50    0.171   168.07
2041.50    0.173   166.22
2042.50    0.175   164.42
2043.50    0.177   162.66
2044.50    0.179   160.94
2045.50    0.181   159.26
2046.50    0.183   157.62
2047.50    0.185   156.01
2048.50    0.187   154.43
2049.50    0.189   152.89
2050.50    0.191   151.38
2051.50    0.193   149.89
2052.50    0.195   148.44
2053.50    0.197   147.01
2054.50    0.198   145.61
2055.50    0.200   144.23
2056.50    0.202   142.87
2057.50    0.203   141.54
2058.50    0.205   140.23
2059.50    0.207   138.94
2060.50    0.208   137.67
2061.50    0.210   136.41
2062.50    0.211   135.17
2063.50    0.212   133.95
2064.50    0.214   132.74
2065.50    0.215   131.55
2066.50    0.216   130.37
2067.50    0.217   129.20
2068.50    0.218   128.04
2069.50    0.219   126.90
2070.50    0.220   125.76
2071.50    0.221   124.63
2072.50    0.221   123.51
2073.50    0.222   122.39
2074.50    0.222   121.29
2075.50    0.223   120.18
2076.50    0.223   119.08
2077.50    0.224   117.99
2078.50    0.224   116.89
2079.50    0.224   115.80






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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 17:26:39



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