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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:51:43

Orbital Elements for GAA18

WDS:	GAA18	WDS ID/Discoverer
P:	0.011	Orbital period (years)
a:	0.001738	Semi-major axis (arcseconds)
i:	86.9	Inclination (degrees)
Ω:	190.0	Longitude of ascending node (degrees)
T:	2000.984	Epoch of periastron passage (year)
e:	0.0002	Eccentricity
ω:	170.0	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 GAA18

Position:	032922.88-240603.1	Epoch-2000 right ascension and declination
WDS-ID:	03294-2406	WDS designation
Discoverer Code:	GAA18	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	21703	HD catalog number
Hipparcos number:	16247	Hipparcos catalog number
V1:	6.4 k	Magnitude of the primary
V2:	8.3 k	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2021	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GAA18

WDS 6th Orbit including measures of GAA18

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

Ephemeris of GAA18

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001    185.0
-------------------------

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.