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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:05:25
WDS:
HU462
WDS ID/Discoverer
P:
48.450
Orbital period (years)
a:
0.465
Semi-major axis (arcseconds)
i:
164.3
Inclination (degrees)
Ω:
157.0
Longitude of ascending node (degrees)
T:
1959.800
Epoch of periastron passage (year)
e:
0.098
Eccentricity
ω:
15.1
Longitude of periastron (degrees)
Start-Year:
2001.0
Year
End-Year:
2049.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
112710.78-153855.0
Epoch-2000 right ascension and declination
WDS-ID:
11272-1539
WDS designation
Discoverer Code:
HU462
Discover designation and components
ADS number:
8166
Aitken Double Star catalog
HD number:
99565
HD catalog number
Hipparcos number:
55875
Hipparcos catalog number
V1:
8.42
Magnitude of the primary
V2:
8.53
Magnitude of the secondary
Equinox:
Equinox
Date:
2021
Date of last observation
Orbit grade:
2
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 0.489 7.8
-------------------------
2001.0 0.432 204.4
2002.0 0.429 196.1
2003.0 0.427 187.7
2004.0 0.425 179.3
2005.0 0.423 170.7
2006.0 0.422 162.1
2007.0 0.420 153.4
2008.0 0.419 144.6
2009.0 0.418 135.8
2010.0 0.417 127.0
2011.0 0.416 118.1
2012.0 0.417 109.2
2013.0 0.418 100.4
2014.0 0.420 91.7
2015.0 0.424 83.0
2016.0 0.428 74.5
2017.0 0.433 66.2
2018.0 0.439 58.1
2019.0 0.446 50.2
2020.0 0.453 42.6
2021.0 0.460 35.2
2022.0 0.468 28.0
2023.0 0.475 21.1
2024.0 0.482 14.4
2025.0 0.489 7.8
2026.0 0.494 1.5
2027.0 0.499 355.2
2028.0 0.503 349.1
2029.0 0.507 343.1
2030.0 0.509 337.1
2031.0 0.510 331.2
2032.0 0.510 325.3
2033.0 0.509 319.3
2034.0 0.507 313.3
2035.0 0.504 307.3
2036.0 0.500 301.2
2037.0 0.495 295.0
2038.0 0.490 288.7
2039.0 0.485 282.2
2040.0 0.479 275.6
2041.0 0.473 268.8
2042.0 0.467 261.8
2043.0 0.461 254.6
2044.0 0.455 247.3
2045.0 0.450 239.8
2046.0 0.445 232.1
2047.0 0.441 224.2
2048.0 0.437 216.2
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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