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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:39:57

Orbital Elements for B1606

WDS:	B1606	WDS ID/Discoverer
P:	14.660	Orbital period (years)
a:	0.152	Semi-major axis (arcseconds)
i:	61.7	Inclination (degrees)
Ω:	277.0	Longitude of ascending node (degrees)
T:	2011.840	Epoch of periastron passage (year)
e:	0.353	Eccentricity
ω:	11.9	Longitude of periastron (degrees)
Start-Year:	2018.0	Year
End-Year:	2032.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B1606

Position:	082657.83-524217.4	Epoch-2000 right ascension and declination
WDS-ID:	08270-5242	WDS designation
Discoverer Code:	B1606	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	71805	HD catalog number
Hipparcos number:	41426	Hipparcos catalog number
V1:	6.99	Magnitude of the primary
V2:	7.85	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	1	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for B1606

WDS 6th Orbit including measures of B1606

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

Ephemeris of B1606

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.078    238.0
-------------------------
2018.0     0.202     95.6
2019.0     0.203    101.7
2020.0     0.192    108.0
2021.0     0.169    115.7
2022.0     0.136    126.6
2023.0     0.097    145.7
2024.0     0.068    186.0
2025.0     0.078    238.0
2026.0     0.099    269.8
2027.0     0.084    297.9
2028.0     0.058    353.4
2029.0     0.086     50.6
2030.0     0.132     72.7
2031.0     0.169     83.8

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.