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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:15:29
WDS:
HU572
WDS ID/Discoverer
P:
102.900
Orbital period (years)
a:
0.4
Semi-major axis (arcseconds)
i:
145.0
Inclination (degrees)
Ω:
153.7
Longitude of ascending node (degrees)
T:
1986.220
Epoch of periastron passage (year)
e:
0.516
Eccentricity
ω:
30.9
Longitude of periastron (degrees)
Start-Year:
1974.0
Year
End-Year:
2076.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
130908.52+212722.0
Epoch-2000 right ascension and declination
WDS-ID:
13091+2127
WDS designation
Discoverer Code:
HU572
Discover designation and components
ADS number:
8799
Aitken Double Star catalog
HD number:
114255
HD catalog number
Hipparcos number:
64175
Hipparcos catalog number
V1:
8.73
Magnitude of the primary
V2:
10.08
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2011
Date of last observation
Orbit grade:
3
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 0.574 322.3
-------------------------
1974.0 0.278 222.0
1975.0 0.269 216.8
1976.0 0.261 211.2
1977.0 0.252 205.2
1978.0 0.245 198.8
1979.0 0.237 192.1
1980.0 0.230 184.9
1981.0 0.223 177.2
1982.0 0.216 169.1
1983.0 0.209 160.4
1984.0 0.201 151.0
1985.0 0.194 141.0
1986.0 0.186 130.1
1987.0 0.180 118.4
1988.0 0.176 106.0
1989.0 0.176 93.3
1990.0 0.179 80.7
1991.0 0.186 68.9
1992.0 0.196 58.0
1993.0 0.209 48.5
1994.0 0.225 40.1
1995.0 0.241 32.8
1996.0 0.259 26.5
1997.0 0.276 21.0
1998.0 0.294 16.2
1999.0 0.312 11.9
2000.0 0.329 8.1
2001.0 0.346 4.6
2002.0 0.362 1.5
2003.0 0.378 358.6
2004.0 0.393 356.0
2005.0 0.407 353.5
2006.0 0.421 351.2
2007.0 0.434 349.1
2008.0 0.447 347.0
2009.0 0.459 345.1
2010.0 0.470 343.3
2011.0 0.481 341.6
2012.0 0.491 339.9
2013.0 0.501 338.3
2014.0 0.510 336.8
2015.0 0.518 335.3
2016.0 0.526 333.8
2017.0 0.533 332.4
2018.0 0.540 331.1
2019.0 0.546 329.7
2020.0 0.552 328.4
2021.0 0.557 327.2
2022.0 0.562 325.9
2023.0 0.567 324.7
2024.0 0.570 323.5
2025.0 0.574 322.3
2026.0 0.577 321.1
2027.0 0.579 319.9
2028.0 0.581 318.7
2029.0 0.583 317.6
2030.0 0.584 316.4
2031.0 0.585 315.3
2032.0 0.585 314.1
2033.0 0.585 313.0
2034.0 0.585 311.8
2035.0 0.584 310.7
2036.0 0.582 309.5
2037.0 0.581 308.4
2038.0 0.579 307.2
2039.0 0.576 306.0
2040.0 0.574 304.8
2041.0 0.570 303.6
2042.0 0.567 302.4
2043.0 0.563 301.2
2044.0 0.559 299.9
2045.0 0.554 298.7
2046.0 0.549 297.4
2047.0 0.544 296.1
2048.0 0.539 294.7
2049.0 0.533 293.4
2050.0 0.526 292.0
2051.0 0.520 290.5
2052.0 0.513 289.0
2053.0 0.506 287.5
2054.0 0.498 286.0
2055.0 0.490 284.4
2056.0 0.482 282.7
2057.0 0.474 281.0
2058.0 0.465 279.2
2059.0 0.457 277.4
2060.0 0.448 275.4
2061.0 0.438 273.4
2062.0 0.429 271.3
2063.0 0.419 269.2
2064.0 0.409 266.9
2065.0 0.399 264.5
2066.0 0.389 261.9
2067.0 0.378 259.3
2068.0 0.368 256.4
2069.0 0.357 253.4
2070.0 0.347 250.3
2071.0 0.336 246.9
2072.0 0.326 243.3
2073.0 0.316 239.5
2074.0 0.306 235.4
2075.0 0.296 231.1
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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