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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:29:04

Orbital Elements for 46BOO

WDS:	46BOO	WDS ID/Discoverer
P:	7.028	Orbital period (years)
a:	0.0112	Semi-major axis (arcseconds)
i:	62.0	Inclination (degrees)
Ω:	82.6	Longitude of ascending node (degrees)
T:	1991.272	Epoch of periastron passage (year)
e:	0.83	Eccentricity
ω:	175.3	Longitude of periastron (degrees)
Start-Year:	2022.0	Year
End-Year:	2028.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for 46BOO

Position:	150823.78+261804.3	Epoch-2000 right ascension and declination
WDS-ID:	15084+2618	WDS designation
Discoverer Code:	46BOO	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	134320	HD catalog number
Hipparcos number:	74087	Hipparcos catalog number
V1:	5.68	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 46BOO

WDS 6th Orbit including measures of 46BOO

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

Ephemeris of 46BOO

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.015     90.8
-------------------------
2022.0     0.019     76.6
2023.0     0.020     80.8
2024.0     0.019     85.0
2025.0     0.015     90.8
2026.0     0.005    109.6
2027.0     0.007     55.7

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.