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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:29:14
WDS:
B2351AA,AB
WDS ID/Discoverer
P:
23.507
Orbital period (years)
a:
0.129
Semi-major axis (arcseconds)
i:
154.4
Inclination (degrees)
Ω:
173.8
Longitude of ascending node (degrees)
T:
1971.039
Epoch of periastron passage (year)
e:
0.244
Eccentricity
ω:
340.1
Longitude of periastron (degrees)
Start-Year:
2014.0
Year
End-Year:
2036.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
151213.31-194729.9
Epoch-2000 right ascension and declination
WDS-ID:
15122-1948
WDS designation
Discoverer Code:
B2351AA,AB
Discover designation and components
ADS number:
9532
Aitken Double Star catalog
HD number:
134759
HD catalog number
Hipparcos number:
74392
Hipparcos catalog number
V1:
5.1
Magnitude of the primary
V2:
5.5
Magnitude of the secondary
Equinox:
Equinox
Date:
2021
Date of last observation
Orbit grade:
1
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 0.132 61.3
-------------------------
2014.0 0.111 285.4
2015.0 0.102 265.5
2016.0 0.096 242.4
2017.0 0.095 217.7
2018.0 0.096 193.2
2019.0 0.099 169.8
2020.0 0.102 147.8
2021.0 0.106 127.1
2022.0 0.110 107.9
2023.0 0.116 90.5
2024.0 0.124 75.0
2025.0 0.132 61.3
2026.0 0.140 49.2
2027.0 0.147 38.3
2028.0 0.153 28.4
2029.0 0.157 19.1
2030.0 0.159 10.2
2031.0 0.159 1.4
2032.0 0.157 352.5
2033.0 0.153 343.2
2034.0 0.146 333.2
2035.0 0.137 322.1
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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