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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:15:43
WDS:
FIN305
WDS ID/Discoverer
P:
20.070
Orbital period (years)
a:
0.226
Semi-major axis (arcseconds)
i:
114.4
Inclination (degrees)
Ω:
8.4
Longitude of ascending node (degrees)
T:
2021.801
Epoch of periastron passage (year)
e:
0.989
Eccentricity
ω:
91.7
Longitude of periastron (degrees)
Start-Year:
2015.0
Year
End-Year:
2035.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
131139.24-263306.2
Epoch-2000 right ascension and declination
WDS-ID:
13117-2633
WDS designation
Discoverer Code:
FIN305
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
114576
HD catalog number
Hipparcos number:
64375
Hipparcos catalog number
V1:
7.20
Magnitude of the primary
V2:
7.43
Magnitude of the secondary
Equinox:
Equinox
Date:
2019
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 0.127 108.5
-------------------------
2015.0 0.175 88.9
2016.0 0.167 87.0
2017.0 0.156 84.8
2018.0 0.142 82.3
2019.0 0.123 79.1
2020.0 0.099 74.5
2021.0 0.064 66.0
2022.0 0.029 141.9
2023.0 0.076 119.5
2024.0 0.105 112.6
2025.0 0.127 108.5
2026.0 0.144 105.5
2027.0 0.158 103.0
2028.0 0.168 100.9
2029.0 0.176 99.0
2030.0 0.182 97.3
2031.0 0.185 95.6
2032.0 0.186 94.0
2033.0 0.185 92.4
2034.0 0.182 90.7
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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