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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:27:04

Orbital Elements for BQLYN

WDS:	BQLYN	WDS ID/Discoverer
P:	0.344	Orbital period (years)
a:	0.0014	Semi-major axis (arcseconds)
i:	147.5	Inclination (degrees)
Ω:	14.7	Longitude of ascending node (degrees)
T:	2001.066	Epoch of periastron passage (year)
e:	0.046	Eccentricity
ω:	95.0	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 BQLYN

Position:	063432.79+552110.9	Epoch-2000 right ascension and declination
WDS-ID:	06345+5521	WDS designation
Discoverer Code:	BQLYN	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	46101	HD catalog number
Hipparcos number:	31359	Hipparcos catalog number
V1:	6.46	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for BQLYN

WDS 6th Orbit including measures of BQLYN

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

Ephemeris of BQLYN

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.001     60.9
-------------------------

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.