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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:22:29

Orbital Elements for FIN382

WDS:	FIN382	WDS ID/Discoverer
P:	10.070	Orbital period (years)
a:	0.1117	Semi-major axis (arcseconds)
i:	127.7	Inclination (degrees)
Ω:	194.8	Longitude of ascending node (degrees)
T:	2015.397	Epoch of periastron passage (year)
e:	0.537	Eccentricity
ω:	200.1	Longitude of periastron (degrees)
Start-Year:	2020.0	Year
End-Year:	2030.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN382

Position:	055414.04-290849.6	Epoch-2000 right ascension and declination
WDS-ID:	05542-2909	WDS designation
Discoverer Code:	FIN382	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	39891	HD catalog number
Hipparcos number:	27901	Hipparcos catalog number
V1:	6.61	Magnitude of the primary
V2:	8.45	Magnitude of the secondary
Equinox:	2000	Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN382

WDS 6th Orbit including measures of FIN382

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

Ephemeris of FIN382

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.054     40.2
-------------------------
2020.0     0.167    185.8
2021.0     0.158    177.2
2022.0     0.136    166.7
2023.0     0.102    150.4
2024.0     0.064    115.0
2025.0     0.054     40.2
2026.0     0.040    294.1
2027.0     0.091    223.1
2028.0     0.136    205.1
2029.0     0.160    194.8

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.