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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:44:14

Orbital Elements for GC23290

WDS:	GC23290	WDS ID/Discoverer
P:	2.418	Orbital period (years)
a:	0.01142	Semi-major axis (arcseconds)
i:	158.68	Inclination (degrees)
Ω:	139.38	Longitude of ascending node (degrees)
T:	1990.661	Epoch of periastron passage (year)
e:	0.122	Eccentricity
ω:	202.41	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for GC23290

Position:	171229.88+691817.2	Epoch-2000 right ascension and declination
WDS-ID:	17125+6918	WDS designation
Discoverer Code:	GC23290	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	156558	HD catalog number
Hipparcos number:	84179	Hipparcos catalog number
V1:	8.41	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GC23290

WDS 6th Orbit including measures of GC23290

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

Ephemeris of GC23290

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.011    208.4
-------------------------
2024.0     0.011     24.9
2025.0     0.011    208.4

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.