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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:06:02
WDS:
STT235AB
WDS ID/Discoverer
P:
72.934
Orbital period (years)
a:
0.79322
Semi-major axis (arcseconds)
i:
46.829
Inclination (degrees)
Ω:
81.407
Longitude of ascending node (degrees)
T:
1981.910
Epoch of periastron passage (year)
e:
0.39823
Eccentricity
ω:
132.571
Longitude of periastron (degrees)
Start-Year:
1989.0
Year
End-Year:
2061.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
113220.76+610457.9
Epoch-2000 right ascension and declination
WDS-ID:
11323+6105
WDS designation
Discoverer Code:
STT235AB
Discover designation and components
ADS number:
8197
Aitken Double Star catalog
HD number:
100203
HD catalog number
Hipparcos number:
56290
Hipparcos catalog number
V1:
5.69
Magnitude of the primary
V2:
7.55
Magnitude of the secondary
Equinox:
Equinox
Date:
2013
Date of last observation
Orbit grade:
1
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.999 58.4
-------------------------
1989.0 0.569 280.9
1990.0 0.576 286.9
1991.0 0.580 292.7
1992.0 0.583 298.5
1993.0 0.585 304.2
1994.0 0.587 309.9
1995.0 0.590 315.5
1996.0 0.593 321.1
1997.0 0.598 326.6
1998.0 0.605 331.9
1999.0 0.613 337.2
2000.0 0.623 342.3
2001.0 0.635 347.2
2002.0 0.648 352.0
2003.0 0.662 356.5
2004.0 0.678 0.9
2005.0 0.695 5.0
2006.0 0.713 8.9
2007.0 0.731 12.7
2008.0 0.750 16.2
2009.0 0.770 19.6
2010.0 0.789 22.8
2011.0 0.808 25.9
2012.0 0.828 28.8
2013.0 0.846 31.6
2014.0 0.865 34.2
2015.0 0.882 36.8
2016.0 0.899 39.2
2017.0 0.915 41.6
2018.0 0.930 43.9
2019.0 0.944 46.1
2020.0 0.957 48.3
2021.0 0.968 50.4
2022.0 0.978 52.4
2023.0 0.987 54.4
2024.0 0.994 56.4
2025.0 0.999 58.4
2026.0 1.003 60.3
2027.0 1.005 62.3
2028.0 1.005 64.2
2029.0 1.002 66.1
2030.0 0.998 68.1
2031.0 0.991 70.0
2032.0 0.982 72.0
2033.0 0.971 74.1
2034.0 0.957 76.2
2035.0 0.940 78.3
2036.0 0.921 80.6
2037.0 0.899 83.0
2038.0 0.873 85.4
2039.0 0.845 88.1
2040.0 0.814 90.9
2041.0 0.779 94.0
2042.0 0.741 97.4
2043.0 0.700 101.1
2044.0 0.656 105.4
2045.0 0.610 110.2
2046.0 0.561 115.9
2047.0 0.512 122.7
2048.0 0.464 130.9
2049.0 0.420 140.9
2050.0 0.382 153.1
2051.0 0.357 167.5
2052.0 0.348 183.3
2053.0 0.355 199.2
2054.0 0.377 213.9
2055.0 0.408 226.6
2056.0 0.442 237.4
2057.0 0.475 246.7
2058.0 0.504 254.8
2059.0 0.528 262.1
2060.0 0.547 268.9
This result is provided without warranty. For all terms, see the Full Disclaimer .
Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0 .
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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