Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:16:49

Orbital Elements for GAA25

WDS:	GAA25	WDS ID/Discoverer
P:	0.042	Orbital period (years)
a:	0.001363	Semi-major axis (arcseconds)
i:	87.6	Inclination (degrees)
Ω:	343.8	Longitude of ascending node (degrees)
T:	2014.409	Epoch of periastron passage (year)
e:	0.422	Eccentricity
ω:	140.144	Longitude of periastron (degrees)
Start-Year:	2025.0	Year
End-Year:	2025.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GAA25

Position:	131844.36-581601.3	Epoch-2000 right ascension and declination
WDS-ID:	13187-5816	WDS designation
Discoverer Code:	GAA25	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	115496	HD catalog number
Hipparcos number:	64941	Hipparcos catalog number
V1:	7.2 k	Magnitude of the primary
V2:	9.2 k	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GAA25

WDS 6th Orbit including measures of GAA25

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of GAA25

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001    338.3
-------------------------

Disclaimer

Acknowledgements

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.