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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:22:49
WDS:
HDS809
WDS ID/Discoverer
P:
100.000
Orbital period (years)
a:
0.457
Semi-major axis (arcseconds)
i:
31.5
Inclination (degrees)
Ω:
29.9
Longitude of ascending node (degrees)
T:
2016.130
Epoch of periastron passage (year)
e:
0.314
Eccentricity
ω:
129.9
Longitude of periastron (degrees)
Start-Year:
1975.0
Year
End-Year:
2075.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
055859.62-074003.2
Epoch-2000 right ascension and declination
WDS-ID:
05590-0740
WDS designation
Discoverer Code:
HDS809
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
13.41
Magnitude of the primary
V2:
13.91
Magnitude of the secondary
Equinox:
Equinox
Date:
2018
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.354 217.6
-------------------------
1975.0 0.564 1.6
1976.0 0.564 3.5
1977.0 0.563 5.4
1978.0 0.562 7.3
1979.0 0.560 9.3
1980.0 0.558 11.2
1981.0 0.556 13.2
1982.0 0.553 15.2
1983.0 0.549 17.2
1984.0 0.545 19.2
1985.0 0.540 21.3
1986.0 0.535 23.4
1987.0 0.529 25.5
1988.0 0.523 27.7
1989.0 0.516 30.0
1990.0 0.508 32.3
1991.0 0.500 34.7
1992.0 0.491 37.2
1993.0 0.482 39.8
1994.0 0.472 42.4
1995.0 0.461 45.2
1996.0 0.450 48.2
1997.0 0.438 51.3
1998.0 0.426 54.5
1999.0 0.414 58.0
2000.0 0.401 61.6
2001.0 0.388 65.6
2002.0 0.374 69.8
2003.0 0.361 74.3
2004.0 0.348 79.1
2005.0 0.335 84.3
2006.0 0.323 90.0
2007.0 0.311 96.0
2008.0 0.301 102.5
2009.0 0.292 109.4
2010.0 0.285 116.7
2011.0 0.280 124.4
2012.0 0.277 132.2
2013.0 0.277 140.1
2014.0 0.278 148.0
2015.0 0.282 155.8
2016.0 0.286 163.4
2017.0 0.293 170.6
2018.0 0.300 177.6
2019.0 0.308 184.2
2020.0 0.316 190.4
2021.0 0.324 196.4
2022.0 0.332 202.1
2023.0 0.339 207.5
2024.0 0.347 212.6
2025.0 0.354 217.6
2026.0 0.360 222.4
2027.0 0.366 227.0
2028.0 0.372 231.5
2029.0 0.377 235.8
2030.0 0.382 240.0
2031.0 0.387 244.2
2032.0 0.391 248.2
2033.0 0.396 252.1
2034.0 0.400 256.0
2035.0 0.405 259.7
2036.0 0.409 263.4
2037.0 0.413 267.0
2038.0 0.418 270.5
2039.0 0.422 274.0
2040.0 0.427 277.4
2041.0 0.431 280.7
2042.0 0.436 283.9
2043.0 0.441 287.1
2044.0 0.446 290.2
2045.0 0.451 293.2
2046.0 0.456 296.1
2047.0 0.461 299.0
2048.0 0.466 301.9
2049.0 0.472 304.6
2050.0 0.477 307.3
2051.0 0.482 310.0
2052.0 0.487 312.6
2053.0 0.493 315.1
2054.0 0.498 317.6
2055.0 0.503 320.0
2056.0 0.508 322.4
2057.0 0.513 324.7
2058.0 0.518 327.0
2059.0 0.522 329.3
2060.0 0.527 331.5
2061.0 0.531 333.7
2062.0 0.535 335.8
2063.0 0.539 337.9
2064.0 0.543 340.0
2065.0 0.547 342.1
2066.0 0.550 344.1
2067.0 0.553 346.1
2068.0 0.555 348.1
2069.0 0.558 350.0
2070.0 0.560 352.0
2071.0 0.561 353.9
2072.0 0.563 355.8
2073.0 0.564 357.8
2074.0 0.564 359.7
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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