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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:17:22

Orbital Elements for FIN208AB

WDS:	FIN208AB	WDS ID/Discoverer
P:	37.369	Orbital period (years)
a:	0.196	Semi-major axis (arcseconds)
i:	85.6	Inclination (degrees)
Ω:	135.2	Longitude of ascending node (degrees)
T:	2033.161	Epoch of periastron passage (year)
e:	0.359	Eccentricity
ω:	266.6	Longitude of periastron (degrees)
Start-Year:	2007.0	Year
End-Year:	2043.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN208AB

Position:	132235.85-605819.5	Epoch-2000 right ascension and declination
WDS-ID:	13226-6059	WDS designation
Discoverer Code:	FIN208AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	116087	HD catalog number
Hipparcos number:	65271	Hipparcos catalog number
V1:	4.49	Magnitude of the primary
V2:	5.2	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 FIN208AB

WDS 6th Orbit including measures of FIN208AB

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

Ephemeris of FIN208AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.175    312.4
-------------------------
2007.0     0.161    139.9
2008.0     0.147    141.0
2009.0     0.131    142.4
2010.0     0.113    144.2
2011.0     0.093    146.7
2012.0     0.073    150.6
2013.0     0.053    157.5
2014.0     0.033    172.6
2015.0     0.021    214.2
2016.0     0.028    267.8
2017.0     0.046    289.3
2018.0     0.066    298.2
2019.0     0.086    302.8
2020.0     0.106    305.7
2021.0     0.124    307.7
2022.0     0.141    309.2
2023.0     0.155    310.5
2024.0     0.166    311.5
2025.0     0.175    312.4
2026.0     0.179    313.2
2027.0     0.178    314.1
2028.0     0.170    314.9
2029.0     0.156    315.9
2030.0     0.133    317.2
2031.0     0.102    319.1
2032.0     0.062    323.3
2033.0     0.018    347.5
2034.0     0.034    119.0
2035.0     0.077    129.0
2036.0     0.115    131.9
2037.0     0.144    133.5
2038.0     0.165    134.6
2039.0     0.179    135.5
2040.0     0.186    136.3
2041.0     0.187    137.1
2042.0     0.184    137.8

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.