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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:37:13

Orbital Elements for FIN312

WDS:	FIN312	WDS ID/Discoverer
P:	2.651	Orbital period (years)
a:	0.1063	Semi-major axis (arcseconds)
i:	24.2	Inclination (degrees)
Ω:	90.2	Longitude of ascending node (degrees)
T:	2012.311	Epoch of periastron passage (year)
e:	0.23	Eccentricity
ω:	40.8	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN312

Position:	023933.83-115219.6	Epoch-2000 right ascension and declination
WDS-ID:	02396-1152	WDS designation
Discoverer Code:	FIN312	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	16620	HD catalog number
Hipparcos number:	12390	Hipparcos catalog number
V1:	5.22	Magnitude of the primary
V2:	6.50	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2009	Date of last observation
Orbit grade:	1	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN312

WDS 6th Orbit including measures of FIN312

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

Ephemeris of FIN312

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.099     29.8
-------------------------
2024.0     0.127    288.0
2025.0     0.099     29.8

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.