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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:46:27

Orbital Elements for GAA4

WDS:	GAA4	WDS ID/Discoverer
P:	0.207	Orbital period (years)
a:	0.002993	Semi-major axis (arcseconds)
i:	85.68	Inclination (degrees)
Ω:	65.99	Longitude of ascending node (degrees)
T:	2002.888	Epoch of periastron passage (year)
e:	2e-05	Eccentricity
ω:	269.93	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 GAA4

Position:	031440.09-353327.5	Epoch-2000 right ascension and declination
WDS-ID:	03147-3533	WDS designation
Discoverer Code:	GAA4	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	20301	HD catalog number
Hipparcos number:	15092	Hipparcos catalog number
V1:	7.51	Magnitude of the primary
V2:	7.76	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GAA4

WDS 6th Orbit including measures of GAA4

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

Ephemeris of GAA4

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.003    245.6
-------------------------

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.