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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:31:15

Orbital Elements for BEU8

WDS:	BEU8	WDS ID/Discoverer
P:	3.286	Orbital period (years)
a:	0.15638	Semi-major axis (arcseconds)
i:	131.76	Inclination (degrees)
Ω:	173.93	Longitude of ascending node (degrees)
T:	2019.139	Epoch of periastron passage (year)
e:	0.2231	Eccentricity
ω:	73.73	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 BEU8

Position:	070355.95+524203.7	Epoch-2000 right ascension and declination
WDS-ID:	07039+5242	WDS designation
Discoverer Code:	BEU8	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	13.9	Magnitude of the primary
V2:	14.2	Magnitude of the secondary
Equinox:		Equinox
Date:	2016	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BEU8

WDS 6th Orbit including measures of BEU8

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

Ephemeris of BEU8

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.146    194.8
-------------------------
2024.0     0.137    294.1
2025.0     0.146    194.8

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.