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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:29:53

Orbital Elements for G34-39

WDS:	G34-39	WDS ID/Discoverer
P:	0.069	Orbital period (years)
a:	0.004944	Semi-major axis (arcseconds)
i:	61.56	Inclination (degrees)
Ω:	262.29	Longitude of ascending node (degrees)
T:	2000.664	Epoch of periastron passage (year)
e:	0.10166	Eccentricity
ω:	313.07	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 G34-39

Position:	013725.09+251003.9	Epoch-2000 right ascension and declination
WDS-ID:	01374+2510	WDS designation
Discoverer Code:	G34-39	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	9939	HD catalog number
Hipparcos number:	7564	Hipparcos catalog number
V1:	7.15	Magnitude of the primary
V2:	9.14	Magnitude of the secondary
Equinox:		Equinox
Date:	2004	Date of last observation
Orbit grade:	8	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for G34-39

WDS 6th Orbit including measures of G34-39

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

Ephemeris of G34-39

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.005     74.0
-------------------------

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.