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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:38:20
WDS:
CVN27BA,BB
WDS ID/Discoverer
P:
19.770
Orbital period (years)
a:
0.182
Semi-major axis (arcseconds)
i:
107.9
Inclination (degrees)
Ω:
3.8
Longitude of ascending node (degrees)
T:
2017.260
Epoch of periastron passage (year)
e:
0.47
Eccentricity
ω:
138.3
Longitude of periastron (degrees)
Start-Year:
2016.0
Year
End-Year:
2034.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
162517.79-490852.8
Epoch-2000 right ascension and declination
WDS-ID:
16253-4909
WDS designation
Discoverer Code:
CVN27BA,BB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
147633
HD catalog number
Hipparcos number:
80448
Hipparcos catalog number
V1:
8.23
Magnitude of the primary
V2:
11.7
Magnitude of the secondary
Equinox:
Equinox
Date:
2021
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 0.152 30.0
-------------------------
2016.0 0.046 314.3
2017.0 0.059 208.7
2018.0 0.104 184.3
2019.0 0.106 170.3
2020.0 0.085 152.4
2021.0 0.065 122.1
2022.0 0.067 81.8
2023.0 0.090 53.8
2024.0 0.121 38.8
2025.0 0.152 30.0
2026.0 0.181 24.1
2027.0 0.204 19.7
2028.0 0.222 16.1
2029.0 0.234 13.0
2030.0 0.238 10.0
2031.0 0.234 7.1
2032.0 0.219 3.9
2033.0 0.193 0.1
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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