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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:17:00
WDS:
A750
WDS ID/Discoverer
P:
30.450
Orbital period (years)
a:
0.212
Semi-major axis (arcseconds)
i:
128.7
Inclination (degrees)
Ω:
65.9
Longitude of ascending node (degrees)
T:
2013.490
Epoch of periastron passage (year)
e:
0.723
Eccentricity
ω:
351.6
Longitude of periastron (degrees)
Start-Year:
2010.0
Year
End-Year:
2040.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
205244.94+460647.7
Epoch-2000 right ascension and declination
WDS-ID:
20527+4607
WDS designation
Discoverer Code:
A750
Discover designation and components
ADS number:
14396
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
103055
Hipparcos catalog number
V1:
9.11
Magnitude of the primary
V2:
10.26
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2009
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 0.339 258.0
-------------------------
2010.0 0.165 217.5
2011.0 0.120 206.0
2012.0 0.073 179.7
2013.0 0.052 108.3
2014.0 0.059 37.9
2015.0 0.070 337.2
2016.0 0.105 305.4
2017.0 0.145 290.3
2018.0 0.181 281.6
2019.0 0.214 275.7
2020.0 0.243 271.3
2021.0 0.269 267.8
2022.0 0.291 264.9
2023.0 0.310 262.3
2024.0 0.326 260.1
2025.0 0.339 258.0
2026.0 0.349 256.1
2027.0 0.356 254.2
2028.0 0.361 252.4
2029.0 0.363 250.7
2030.0 0.363 248.9
2031.0 0.359 247.2
2032.0 0.353 245.4
2033.0 0.344 243.5
2034.0 0.332 241.5
2035.0 0.317 239.3
2036.0 0.299 236.9
2037.0 0.276 234.1
2038.0 0.250 230.8
2039.0 0.219 226.6
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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