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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:16:20

Orbital Elements for GAA8

WDS:	GAA8	WDS ID/Discoverer
P:	0.272	Orbital period (years)
a:	0.003508	Semi-major axis (arcseconds)
i:	89.9	Inclination (degrees)
Ω:	181.41	Longitude of ascending node (degrees)
T:	1873.209	Epoch of periastron passage (year)
e:	0.5197	Eccentricity
ω:	350.0	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 GAA8

Position:	204649.23+073310.4	Epoch-2000 right ascension and declination
WDS-ID:	20468+0733	WDS designation
Discoverer Code:	GAA8	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	197952	HD catalog number
Hipparcos number:	102545	Hipparcos catalog number
V1:	7.8	Magnitude of the primary
V2:	8.1	Magnitude of the secondary
Equinox:		Equinox
Date:	2017	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GAA8

WDS 6th Orbit including measures of GAA8

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

Ephemeris of GAA8

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.005      1.4
-------------------------

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.