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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:18:34
WDS:
BWL2
WDS ID/Discoverer
P:
4.187
Orbital period (years)
a:
0.108
Semi-major axis (arcseconds)
i:
63.63
Inclination (degrees)
Ω:
111.81
Longitude of ascending node (degrees)
T:
2021.145
Epoch of periastron passage (year)
e:
0.433
Eccentricity
ω:
98.03
Longitude of periastron (degrees)
Start-Year:
2023.0
Year
End-Year:
2027.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
001558.08-163657.9
Epoch-2000 right ascension and declination
WDS-ID:
00160-1637
WDS designation
Discoverer Code:
BWL2
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
8.9
Magnitude of the primary
V2:
9.0
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2020
Date of last observation
Orbit grade:
4
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.068 125.8
-------------------------
2023.0 0.068 19.5
2024.0 0.100 82.9
2025.0 0.068 125.8
2026.0 0.093 304.2
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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