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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:02:08

Orbital Elements for FIN47AB

WDS:	FIN47AB	WDS ID/Discoverer
P:	7.609	Orbital period (years)
a:	0.136	Semi-major axis (arcseconds)
i:	94.6	Inclination (degrees)
Ω:	224.9	Longitude of ascending node (degrees)
T:	2021.477	Epoch of periastron passage (year)
e:	0.345	Eccentricity
ω:	341.3	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 FIN47AB

Position:	110520.03-271736.9	Epoch-2000 right ascension and declination
WDS-ID:	11053-2718	WDS designation
Discoverer Code:	FIN47AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	96202	HD catalog number
Hipparcos number:	54204	Hipparcos catalog number
V1:	5.7	Magnitude of the primary
V2:	5.7	Magnitude of the secondary
Equinox:		Equinox
Date:	2021	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN47AB

WDS 6th Orbit including measures of FIN47AB

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

Ephemeris of FIN47AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.164     47.1
-------------------------
2022.0     0.084    222.0
2023.0     0.013    100.3
2024.0     0.104     50.8
2025.0     0.164     47.1
2026.0     0.178     45.0
2027.0     0.139     42.4

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.