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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:42:36
WDS:
YSC139
WDS ID/Discoverer
P:
3.640
Orbital period (years)
a:
0.069
Semi-major axis (arcseconds)
i:
87.9
Inclination (degrees)
Ω:
90.0
Longitude of ascending node (degrees)
T:
2013.410
Epoch of periastron passage (year)
e:
0.69
Eccentricity
ω:
274.0
Longitude of periastron (degrees)
Start-Year:
2024.0
Year
End-Year:
2026.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
233441.14+374758.8
Epoch-2000 right ascension and declination
WDS-ID:
23347+3748
WDS designation
Discoverer Code:
YSC139
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
221757
HD catalog number
Hipparcos number:
116360
Hipparcos catalog number
V1:
7.9
Magnitude of the primary
V2:
8.2
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
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 0.044 93.3
-------------------------
2024.0 0.048 269.1
2025.0 0.044 93.3
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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