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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:49:21

Orbital Elements for FIN341

WDS:	FIN341	WDS ID/Discoverer
P:	15.120	Orbital period (years)
a:	0.1183	Semi-major axis (arcseconds)
i:	81.7	Inclination (degrees)
Ω:	179.5	Longitude of ascending node (degrees)
T:	2012.710	Epoch of periastron passage (year)
e:	0.165	Eccentricity
ω:	244.6	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 FIN341

Position:	174442.01-424345.5	Epoch-2000 right ascension and declination
WDS-ID:	17447-4244	WDS designation
Discoverer Code:	FIN341	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	160928	HD catalog number
Hipparcos number:	86847	Hipparcos catalog number
V1:	6.6	Magnitude of the primary
V2:	6.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN341

WDS 6th Orbit including measures of FIN341

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

Ephemeris of FIN341

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.106    356.3
-------------------------
2018.0     0.120    183.2
2019.0     0.101    187.0
2020.0     0.071    193.5
2021.0     0.036    212.1
2022.0     0.023    301.1
2023.0     0.055    341.6
2024.0     0.087    351.3
2025.0     0.106    356.3
2026.0     0.105      0.4
2027.0     0.081      5.7
2028.0     0.036     21.5
2029.0     0.027    147.8
2030.0     0.075    170.7
2031.0     0.109    176.3

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.