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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:00:51

Orbital Elements for BD+64814

WDS:	BD+64814	WDS ID/Discoverer
P:	2.034	Orbital period (years)
a:	0.0081	Semi-major axis (arcseconds)
i:	48.0	Inclination (degrees)
Ω:	49.0	Longitude of ascending node (degrees)
T:	1991.610	Epoch of periastron passage (year)
e:	0.42	Eccentricity
ω:	74.0	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 BD+64814

Position:	105330.83+633304.4	Epoch-2000 right ascension and declination
WDS-ID:	10535+6333	WDS designation
Discoverer Code:	BD+64814	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	94176	HD catalog number
Hipparcos number:	53256	Hipparcos catalog number
V1:	8.02	Magnitude of the primary
V2:	.	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:		Flags

Double Star Orbit for BD+64814

WDS 6th Orbit including measures of BD+64814

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

Ephemeris of BD+64814

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.009    278.1
-------------------------
2024.0     0.006     54.5
2025.0     0.009    278.1

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.