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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:53:39

Orbital Elements for BD+69528

WDS:	BD+69528	WDS ID/Discoverer
P:	1.740	Orbital period (years)
a:	0.0029	Semi-major axis (arcseconds)
i:	141.6	Inclination (degrees)
Ω:	288.7	Longitude of ascending node (degrees)
T:	1983.353	Epoch of periastron passage (year)
e:	0.149	Eccentricity
ω:	135.4	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 BD+69528

Position:	094031.13+683212.3	Epoch-2000 right ascension and declination
WDS-ID:	09405+6832	WDS designation
Discoverer Code:	BD+69528	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	83270	HD catalog number
Hipparcos number:	47461	Hipparcos catalog number
V1:	7.49	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 BD+69528

WDS 6th Orbit including measures of BD+69528

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

Ephemeris of BD+69528

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.002    178.7
-------------------------

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.