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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:20:44

Orbital Elements for BD+75523

WDS:	BD+75523	WDS ID/Discoverer
P:	4.436	Orbital period (years)
a:	0.0108	Semi-major axis (arcseconds)
i:	20.9	Inclination (degrees)
Ω:	6.0	Longitude of ascending node (degrees)
T:	1988.048	Epoch of periastron passage (year)
e:	0.68	Eccentricity
ω:	177.6	Longitude of periastron (degrees)
Start-Year:	2023.0	Year
End-Year:	2027.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BD+75523

Position:	135614.88+744246.3	Epoch-2000 right ascension and declination
WDS-ID:	13562+7443	WDS designation
Discoverer Code:	BD+75523	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	68072	Hipparcos catalog number
V1:	9.74	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1992	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for BD+75523

WDS 6th Orbit including measures of BD+75523

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

Ephemeris of BD+75523

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.017    347.9
-------------------------
2023.0     0.009     54.8
2024.0     0.008    306.2
2025.0     0.017    347.9
2026.0     0.018      8.6

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.