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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:38:14

Orbital Elements for FIN333

WDS:	FIN333	WDS ID/Discoverer
P:	33.310	Orbital period (years)
a:	0.465	Semi-major axis (arcseconds)
i:	91.2	Inclination (degrees)
Ω:	212.6	Longitude of ascending node (degrees)
T:	1994.630	Epoch of periastron passage (year)
e:	0.96	Eccentricity
ω:	119.9	Longitude of periastron (degrees)
Start-Year:	2009.0	Year
End-Year:	2041.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN333

Position:	024326.61-664251.2	Epoch-2000 right ascension and declination
WDS-ID:	02434-6643	WDS designation
Discoverer Code:	FIN333	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	17326	HD catalog number
Hipparcos number:	12717	Hipparcos catalog number
V1:	6.83	Magnitude of the primary
V2:	7.23	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2010	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN333

WDS 6th Orbit including measures of FIN333

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

Ephemeris of FIN333

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.322    213.7
-------------------------
2009.0     0.424    214.8
2010.0     0.439    214.8
2011.0     0.451    214.7
2012.0     0.462    214.6
2013.0     0.470    214.6
2014.0     0.476    214.5
2015.0     0.480    214.5
2016.0     0.481    214.4
2017.0     0.479    214.3
2018.0     0.474    214.3
2019.0     0.467    214.2
2020.0     0.456    214.1
2021.0     0.441    214.1
2022.0     0.421    214.0
2023.0     0.396    213.9
2024.0     0.363    213.8
2025.0     0.322    213.7
2026.0     0.266    213.6
2027.0     0.184    213.3
2028.0     0.029     32.2
2029.0     0.007    259.7
2030.0     0.056    220.1
2031.0     0.102    217.7
2032.0     0.145    216.8
2033.0     0.184    216.3
2034.0     0.220    216.0
2035.0     0.253    215.7
2036.0     0.283    215.5
2037.0     0.312    215.4
2038.0     0.337    215.3
2039.0     0.361    215.1
2040.0     0.383    215.0

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.