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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:53:31

Orbital Elements for BAG8AB

WDS:	BAG8AB	WDS ID/Discoverer
P:	13.604	Orbital period (years)
a:	0.2549	Semi-major axis (arcseconds)
i:	101.79	Inclination (degrees)
Ω:	100.68	Longitude of ascending node (degrees)
T:	2019.235	Epoch of periastron passage (year)
e:	0.268	Eccentricity
ω:	250.5	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BAG8AB

Position:	034448.83+460209.0	Epoch-2000 right ascension and declination
WDS-ID:	03448+4602	WDS designation
Discoverer Code:	BAG8AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	23140	HD catalog number
Hipparcos number:	17491	Hipparcos catalog number
V1:	7.90	Magnitude of the primary
V2:	10.66	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 BAG8AB

WDS 6th Orbit including measures of BAG8AB

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

Ephemeris of BAG8AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.195     85.0
-------------------------
2019.0     0.101    261.7
2020.0     0.066    136.3
2021.0     0.183    108.8
2022.0     0.252    101.8
2023.0     0.270     96.9
2024.0     0.246     92.0
2025.0     0.195     85.0
2026.0     0.127     71.5
2027.0     0.069     30.0
2028.0     0.091    322.7
2029.0     0.158    298.9
2030.0     0.210    289.0

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.