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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:13:28
WDS:
HDS701
WDS ID/Discoverer
P:
105.887
Orbital period (years)
a:
0.3914
Semi-major axis (arcseconds)
i:
60.8
Inclination (degrees)
Ω:
83.2
Longitude of ascending node (degrees)
T:
2011.398
Epoch of periastron passage (year)
e:
0.817
Eccentricity
ω:
100.2
Longitude of periastron (degrees)
Start-Year:
1973.0
Year
End-Year:
2077.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
052014.68+410510.8
Epoch-2000 right ascension and declination
WDS-ID:
05202+4105
WDS designation
Discoverer Code:
HDS701
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
34557
HD catalog number
Hipparcos number:
24902
Hipparcos catalog number
V1:
5.58
Magnitude of the primary
V2:
8.55
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2011
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 0.244 311.7
-------------------------
1973.0 0.382 28.6
1974.0 0.382 29.6
1975.0 0.382 30.6
1976.0 0.382 31.7
1977.0 0.382 32.7
1978.0 0.381 33.7
1979.0 0.381 34.7
1980.0 0.380 35.7
1981.0 0.379 36.7
1982.0 0.378 37.7
1983.0 0.377 38.8
1984.0 0.375 39.8
1985.0 0.373 40.8
1986.0 0.371 41.9
1987.0 0.368 43.0
1988.0 0.366 44.1
1989.0 0.363 45.2
1990.0 0.359 46.3
1991.0 0.355 47.4
1992.0 0.351 48.6
1993.0 0.346 49.8
1994.0 0.341 51.1
1995.0 0.336 52.3
1996.0 0.329 53.7
1997.0 0.323 55.0
1998.0 0.315 56.5
1999.0 0.307 58.0
2000.0 0.297 59.6
2001.0 0.287 61.3
2002.0 0.276 63.2
2003.0 0.263 65.2
2004.0 0.248 67.4
2005.0 0.231 70.0
2006.0 0.212 73.0
2007.0 0.189 76.6
2008.0 0.162 81.4
2009.0 0.128 88.4
2010.0 0.085 101.7
2011.0 0.039 148.7
2012.0 0.060 236.1
2013.0 0.103 259.3
2014.0 0.133 269.8
2015.0 0.155 276.8
2016.0 0.172 282.3
2017.0 0.185 286.8
2018.0 0.196 290.9
2019.0 0.206 294.5
2020.0 0.214 297.8
2021.0 0.221 300.9
2022.0 0.228 303.8
2023.0 0.233 306.6
2024.0 0.239 309.2
2025.0 0.244 311.7
2026.0 0.249 314.1
2027.0 0.253 316.5
2028.0 0.258 318.7
2029.0 0.262 320.9
2030.0 0.266 323.0
2031.0 0.269 325.0
2032.0 0.273 327.0
2033.0 0.277 329.0
2034.0 0.280 330.9
2035.0 0.284 332.7
2036.0 0.287 334.5
2037.0 0.291 336.2
2038.0 0.294 338.0
2039.0 0.297 339.6
2040.0 0.300 341.3
2041.0 0.303 342.9
2042.0 0.307 344.5
2043.0 0.310 346.0
2044.0 0.313 347.5
2045.0 0.316 349.0
2046.0 0.319 350.5
2047.0 0.321 351.9
2048.0 0.324 353.3
2049.0 0.327 354.7
2050.0 0.330 356.0
2051.0 0.333 357.4
2052.0 0.335 358.7
2053.0 0.338 360.0
2054.0 0.341 1.3
2055.0 0.343 2.5
2056.0 0.346 3.7
2057.0 0.348 5.0
2058.0 0.350 6.2
2059.0 0.353 7.4
2060.0 0.355 8.5
2061.0 0.357 9.7
2062.0 0.359 10.8
2063.0 0.361 11.9
2064.0 0.363 13.1
2065.0 0.365 14.2
2066.0 0.367 15.3
2067.0 0.369 16.3
2068.0 0.370 17.4
2069.0 0.372 18.5
2070.0 0.373 19.5
2071.0 0.375 20.6
2072.0 0.376 21.6
2073.0 0.377 22.7
2074.0 0.378 23.7
2075.0 0.379 24.7
2076.0 0.380 25.7
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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