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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:04:34
WDS:
B430
WDS ID/Discoverer
P:
19.950
Orbital period (years)
a:
0.132
Semi-major axis (arcseconds)
i:
82.1
Inclination (degrees)
Ω:
285.1
Longitude of ascending node (degrees)
T:
2014.980
Epoch of periastron passage (year)
e:
0.506
Eccentricity
ω:
7.5
Longitude of periastron (degrees)
Start-Year:
2016.0
Year
End-Year:
2034.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
191532.40-251523.8
Epoch-2000 right ascension and declination
WDS-ID:
19155-2515
WDS designation
Discoverer Code:
B430
Discover designation and components
ADS number:
12214
Aitken Double Star catalog
HD number:
179950
HD catalog number
Hipparcos number:
94643
Hipparcos catalog number
V1:
5.5
Magnitude of the primary
V2:
5.7
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
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 0.197 106.2
-------------------------
2016.0 0.034 301.7
2017.0 0.023 68.1
2018.0 0.067 92.7
2019.0 0.107 97.8
2020.0 0.138 100.3
2021.0 0.163 101.9
2022.0 0.181 103.2
2023.0 0.192 104.2
2024.0 0.197 105.2
2025.0 0.197 106.2
2026.0 0.191 107.2
2027.0 0.179 108.3
2028.0 0.162 109.5
2029.0 0.139 111.2
2030.0 0.110 113.6
2031.0 0.075 118.1
2032.0 0.036 131.7
2033.0 0.018 237.4
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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