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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:04:42

Orbital Elements for FIN320

WDS:	FIN320	WDS ID/Discoverer
P:	42.920	Orbital period (years)
a:	0.227	Semi-major axis (arcseconds)
i:	111.6	Inclination (degrees)
Ω:	198.4	Longitude of ascending node (degrees)
T:	2006.480	Epoch of periastron passage (year)
e:	0.826	Eccentricity
ω:	292.1	Longitude of periastron (degrees)
Start-Year:	2004.0	Year
End-Year:	2046.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN320

Position:	045128.20-345422.4	Epoch-2000 right ascension and declination
WDS-ID:	04515-3454	WDS designation
Discoverer Code:	FIN320	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	31093	HD catalog number
Hipparcos number:	22573	Hipparcos catalog number
V1:	6.31	Magnitude of the primary
V2:	7.05	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:	n	Flags

Double Star Orbit for FIN320

WDS 6th Orbit including measures of FIN320

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

Ephemeris of FIN320

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.191     67.1
-------------------------
2004.0     0.138     23.8
2005.0     0.099     17.4
2006.0     0.036    354.5
2007.0     0.054    199.4
2008.0     0.079    179.8
2009.0     0.086    166.8
2010.0     0.090    155.4
2011.0     0.093    144.6
2012.0     0.096    134.6
2013.0     0.101    125.3
2014.0     0.106    116.9
2015.0     0.112    109.4
2016.0     0.119    102.6
2017.0     0.127     96.7
2018.0     0.135     91.5
2019.0     0.143     86.8
2020.0     0.151     82.6
2021.0     0.159     78.9
2022.0     0.168     75.5
2023.0     0.175     72.5
2024.0     0.183     69.7
2025.0     0.191     67.1
2026.0     0.198     64.8
2027.0     0.205     62.6
2028.0     0.211     60.5
2029.0     0.217     58.5
2030.0     0.222     56.6
2031.0     0.227     54.9
2032.0     0.231     53.2
2033.0     0.234     51.5
2034.0     0.237     49.9
2035.0     0.239     48.3
2036.0     0.240     46.7
2037.0     0.240     45.2
2038.0     0.239     43.6
2039.0     0.236     42.0
2040.0     0.233     40.4
2041.0     0.228     38.7
2042.0     0.221     36.9
2043.0     0.211     35.0
2044.0     0.199     32.9
2045.0     0.183     30.4

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.