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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:07:41

Orbital Elements for GAA16AA,AB

WDS:	GAA16AA,AB	WDS ID/Discoverer
P:	0.031	Orbital period (years)
a:	0.001596	Semi-major axis (arcseconds)
i:	87.4	Inclination (degrees)
Ω:	29.0	Longitude of ascending node (degrees)
T:	1975.669	Epoch of periastron passage (year)
e:	0.012	Eccentricity
ω:	57.0	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 GAA16AA,AB

Position:	193955.53-392558.4	Epoch-2000 right ascension and declination
WDS-ID:	19399-3926	WDS designation
Discoverer Code:	GAA16AA,AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	185257	HD catalog number
Hipparcos number:	96739	Hipparcos catalog number
V1:	6.5	Magnitude of the primary
V2:	7.4	Magnitude of the secondary
Equinox:		Equinox
Date:	2016	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GAA16AA,AB

WDS 6th Orbit including measures of GAA16AA,AB

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

Ephemeris of GAA16AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001    210.8
-------------------------

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.