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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:16:43

Orbital Elements for FIN350

WDS:	FIN350	WDS ID/Discoverer
P:	9.130	Orbital period (years)
a:	0.0795	Semi-major axis (arcseconds)
i:	57.0	Inclination (degrees)
Ω:	18.8	Longitude of ascending node (degrees)
T:	2017.487	Epoch of periastron passage (year)
e:	0.622	Eccentricity
ω:	170.8	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN350

Position:	131729.89-004033.7	Epoch-2000 right ascension and declination
WDS-ID:	13175-0041	WDS designation
Discoverer Code:	FIN350	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	115488	HD catalog number
Hipparcos number:	64838	Hipparcos catalog number
V1:	7.1	Magnitude of the primary
V2:	7.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for FIN350

WDS 6th Orbit including measures of FIN350

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

Ephemeris of FIN350

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.076     40.1
-------------------------
2021.0     0.118      6.5
2022.0     0.128     13.4
2023.0     0.125     20.0
2024.0     0.109     27.7
2025.0     0.076     40.1
2026.0     0.028     89.8
2027.0     0.028    240.8
2028.0     0.054    334.8

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.