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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:00:48

Orbital Elements for CIA3AA1,2

WDS:	CIA3AA1,2	WDS ID/Discoverer
P:	0.035	Orbital period (years)
a:	0.000865	Semi-major axis (arcseconds)
i:	92.25	Inclination (degrees)
Ω:	254.39	Longitude of ascending node (degrees)
T:	2007.498	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	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 CIA3AA1,2

Position:	185004.79+332145.6	Epoch-2000 right ascension and declination
WDS-ID:	18501+3322	WDS designation
Discoverer Code:	CIA3AA1,2	Discover designation and components
ADS number:	11745	Aitken Double Star catalog
HD number:	174638	HD catalog number
Hipparcos number:	92420	Hipparcos catalog number
V1:	3.6	Magnitude of the primary
V2:	4.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2007	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for CIA3AA1,2

WDS 6th Orbit including measures of CIA3AA1,2

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

Ephemeris of CIA3AA1,2

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001    255.0
-------------------------

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.