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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:50:20
WDS:
STT53AB
WDS ID/Discoverer
P:
114.300
Orbital period (years)
a:
0.71
Semi-major axis (arcseconds)
i:
121.7
Inclination (degrees)
Ω:
135.1
Longitude of ascending node (degrees)
T:
1931.800
Epoch of periastron passage (year)
e:
0.86
Eccentricity
ω:
70.9
Longitude of periastron (degrees)
Start-Year:
1968.0
Year
End-Year:
2082.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
031744.01+383821.1
Epoch-2000 right ascension and declination
WDS-ID:
03177+3838
WDS designation
Discoverer Code:
STT53AB
Discover designation and components
ADS number:
2446
Aitken Double Star catalog
HD number:
20347
HD catalog number
Hipparcos number:
15329
Hipparcos catalog number
V1:
7.73
Magnitude of the primary
V2:
8.50
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
Date of last observation
Orbit grade:
3
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 0.494 221.6
-------------------------
1968.0 0.806 272.2
1969.0 0.809 271.5
1970.0 0.811 270.9
1971.0 0.812 270.2
1972.0 0.813 269.6
1973.0 0.814 268.9
1974.0 0.815 268.3
1975.0 0.815 267.7
1976.0 0.815 267.0
1977.0 0.814 266.4
1978.0 0.813 265.7
1979.0 0.812 265.1
1980.0 0.811 264.4
1981.0 0.809 263.8
1982.0 0.807 263.1
1983.0 0.805 262.5
1984.0 0.802 261.8
1985.0 0.799 261.2
1986.0 0.796 260.5
1987.0 0.793 259.8
1988.0 0.789 259.1
1989.0 0.785 258.4
1990.0 0.781 257.8
1991.0 0.777 257.1
1992.0 0.772 256.3
1993.0 0.767 255.6
1994.0 0.762 254.9
1995.0 0.756 254.2
1996.0 0.751 253.4
1997.0 0.745 252.6
1998.0 0.739 251.9
1999.0 0.732 251.1
2000.0 0.726 250.3
2001.0 0.719 249.5
2002.0 0.712 248.6
2003.0 0.705 247.8
2004.0 0.698 246.9
2005.0 0.690 246.0
2006.0 0.682 245.1
2007.0 0.674 244.2
2008.0 0.666 243.3
2009.0 0.657 242.3
2010.0 0.649 241.3
2011.0 0.640 240.3
2012.0 0.631 239.2
2013.0 0.621 238.1
2014.0 0.612 237.0
2015.0 0.602 235.8
2016.0 0.592 234.7
2017.0 0.582 233.4
2018.0 0.572 232.1
2019.0 0.561 230.8
2020.0 0.551 229.4
2021.0 0.540 228.0
2022.0 0.529 226.5
2023.0 0.518 225.0
2024.0 0.506 223.3
2025.0 0.494 221.6
2026.0 0.483 219.8
2027.0 0.471 218.0
2028.0 0.459 216.0
2029.0 0.446 213.9
2030.0 0.434 211.7
2031.0 0.421 209.4
2032.0 0.408 206.9
2033.0 0.395 204.3
2034.0 0.381 201.4
2035.0 0.367 198.4
2036.0 0.353 195.1
2037.0 0.338 191.5
2038.0 0.323 187.7
2039.0 0.307 183.4
2040.0 0.290 178.6
2041.0 0.272 173.2
2042.0 0.250 167.0
2043.0 0.225 159.4
2044.0 0.192 149.7
2045.0 0.142 134.5
2046.0 0.065 89.6
2047.0 0.101 345.5
2048.0 0.189 323.6
2049.0 0.258 315.0
2050.0 0.315 309.8
2051.0 0.362 306.1
2052.0 0.403 303.1
2053.0 0.439 300.7
2054.0 0.471 298.7
2055.0 0.500 296.9
2056.0 0.526 295.3
2057.0 0.550 293.8
2058.0 0.572 292.4
2059.0 0.593 291.2
2060.0 0.612 290.0
2061.0 0.629 288.9
2062.0 0.645 287.9
2063.0 0.660 286.9
2064.0 0.674 285.9
2065.0 0.687 285.0
2066.0 0.699 284.1
2067.0 0.711 283.2
2068.0 0.721 282.4
2069.0 0.731 281.6
2070.0 0.740 280.8
2071.0 0.749 280.0
2072.0 0.756 279.3
2073.0 0.764 278.6
2074.0 0.770 277.8
2075.0 0.776 277.1
2076.0 0.782 276.4
2077.0 0.787 275.7
2078.0 0.792 275.0
2079.0 0.796 274.4
2080.0 0.799 273.7
2081.0 0.803 273.0
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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