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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:38:07

Orbital Elements for BAG20

WDS:	BAG20	WDS ID/Discoverer
P:	3.324	Orbital period (years)
a:	0.031239999999999997	Semi-major axis (arcseconds)
i:	76.48	Inclination (degrees)
Ω:	27.39	Longitude of ascending node (degrees)
T:	1979.852	Epoch of periastron passage (year)
e:	0.521	Eccentricity
ω:	117.0	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 BAG20

Position:	024320.92+192545.2	Epoch-2000 right ascension and declination
WDS-ID:	02433+1926	WDS designation
Discoverer Code:	BAG20	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	16909	HD catalog number
Hipparcos number:	12709	Hipparcos catalog number
V1:	8.2	Magnitude of the primary
V2:	11.3	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 BAG20

WDS 6th Orbit including measures of BAG20

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

Ephemeris of BAG20

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.030     10.9
-------------------------
2024.0     0.010    276.9
2025.0     0.030     10.9

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.