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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:30:28
WDS:
CHR181AA,AB
WDS ID/Discoverer
P:
3.749
Orbital period (years)
a:
0.099
Semi-major axis (arcseconds)
i:
130.116
Inclination (degrees)
Ω:
129.528
Longitude of ascending node (degrees)
T:
2006.331
Epoch of periastron passage (year)
e:
0.26998
Eccentricity
ω:
43.767
Longitude of periastron (degrees)
Start-Year:
2024.0
Year
End-Year:
2026.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
152429.54+372237.1
Epoch-2000 right ascension and declination
WDS-ID:
15245+3723
WDS designation
Discoverer Code:
CHR181AA,AB
Discover designation and components
ADS number:
9626
Aitken Double Star catalog
HD number:
137391
HD catalog number
Hipparcos number:
75411
Hipparcos catalog number
V1:
4.31
Magnitude of the primary
V2:
.
Magnitude of the secondary
Equinox:
Equinox
Date:
2012
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 0.067 108.9
-------------------------
2024.0 0.072 214.3
2025.0 0.067 108.9
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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