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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:44:39

Orbital Elements for BEU4CA,CB

WDS:	BEU4CA,CB	WDS ID/Discoverer
P:	1.518	Orbital period (years)
a:	0.062	Semi-major axis (arcseconds)
i:	160.4	Inclination (degrees)
Ω:	2.0	Longitude of ascending node (degrees)
T:	2007.088	Epoch of periastron passage (year)
e:	0.54	Eccentricity
ω:	341.8	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 BEU4CA,CB

Position:	025713.19-245830.4	Epoch-2000 right ascension and declination
WDS-ID:	02572-2458	WDS designation
Discoverer Code:	BEU4CA,CB	Discover designation and components
ADS number:	2242	Aitken Double Star catalog
HD number:	18455	HD catalog number
Hipparcos number:	13768	Hipparcos catalog number
V1:	8.24	Magnitude of the primary
V2:	9.3	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BEU4CA,CB

WDS 6th Orbit including measures of BEU4CA,CB

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

Ephemeris of BEU4CA,CB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.068    154.1
-------------------------

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.