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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:02:25

Orbital Elements for FIN357

WDS:	FIN357	WDS ID/Discoverer
P:	14.050	Orbital period (years)
a:	0.142	Semi-major axis (arcseconds)
i:	163.5	Inclination (degrees)
Ω:	101.9	Longitude of ascending node (degrees)
T:	2018.226	Epoch of periastron passage (year)
e:	0.385	Eccentricity
ω:	193.9	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 FIN357

Position:	190329.68-684519.9	Epoch-2000 right ascension and declination
WDS-ID:	19035-6845	WDS designation
Discoverer Code:	FIN357	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	175986	HD catalog number
Hipparcos number:	93574	Hipparcos catalog number
V1:	6.58	Magnitude of the primary
V2:	6.96	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN357

WDS 6th Orbit including measures of FIN357

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

Ephemeris of FIN357

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.196     91.5
-------------------------
2018.0     0.088    282.0
2019.0     0.092    223.5
2020.0     0.115    179.5
2021.0     0.141    151.3
2022.0     0.165    131.8
2023.0     0.182    116.6
2024.0     0.192    103.6
2025.0     0.196     91.5
2026.0     0.194     79.6
2027.0     0.185     66.9
2028.0     0.171     52.5
2029.0     0.151     34.9
2030.0     0.127     11.1
2031.0     0.104    336.2

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.