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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:30:05
WDS:
LDS838
WDS ID/Discoverer
P:
26.359
Orbital period (years)
a:
2.0496
Semi-major axis (arcseconds)
i:
128.09
Inclination (degrees)
Ω:
146.29
Longitude of ascending node (degrees)
T:
2024.771
Epoch of periastron passage (year)
e:
0.6222
Eccentricity
ω:
283.34
Longitude of periastron (degrees)
Start-Year:
2012.0
Year
End-Year:
2038.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
013901.54-175701.8
Epoch-2000 right ascension and declination
WDS-ID:
01388-1758
WDS designation
Discoverer Code:
LDS838
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
12.7
Magnitude of the primary
V2:
13.2
Magnitude of the secondary
Equinox:
Equinox
Date:
2015
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 0.578 192.8
-------------------------
2012.0 2.159 32.8
2013.0 2.204 27.0
2014.0 2.242 21.4
2015.0 2.268 15.9
2016.0 2.279 10.6
2017.0 2.270 5.2
2018.0 2.236 359.8
2019.0 2.170 354.1
2020.0 2.060 347.9
2021.0 1.890 340.9
2022.0 1.636 332.0
2023.0 1.255 318.7
2024.0 0.714 288.4
2025.0 0.578 192.8
2026.0 1.063 148.4
2027.0 1.362 129.8
2028.0 1.529 116.6
2029.0 1.632 105.5
2030.0 1.705 95.6
2031.0 1.763 86.4
2032.0 1.816 77.8
2033.0 1.869 69.6
2034.0 1.922 61.9
2035.0 1.977 54.6
2036.0 2.033 47.7
2037.0 2.088 41.2
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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