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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:36:41

Orbital Elements for FIN354

WDS:	FIN354	WDS ID/Discoverer
P:	61.100	Orbital period (years)
a:	0.1281	Semi-major axis (arcseconds)
i:	90.2	Inclination (degrees)
Ω:	263.8	Longitude of ascending node (degrees)
T:	1999.620	Epoch of periastron passage (year)
e:	0.066	Eccentricity
ω:	91.6	Longitude of periastron (degrees)
Start-Year:	1995.0	Year
End-Year:	2055.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN354

Position:	161129.76+094243.2	Epoch-2000 right ascension and declination
WDS-ID:	16115+0943	WDS designation
Discoverer Code:	FIN354	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	145589	HD catalog number
Hipparcos number:	79337	Hipparcos catalog number
V1:	7.19	Magnitude of the primary
V2:	7.52	Magnitude of the secondary
Equinox:		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 FIN354

WDS 6th Orbit including measures of FIN354

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

Ephemeris of FIN354

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.058     83.4
-------------------------
1995.0     0.059    263.4
1996.0     0.046    263.3
1997.0     0.033    263.1
1998.0     0.019    262.6
1999.0     0.005    259.4
2000.0     0.009     86.5
2001.0     0.023     84.8
2002.0     0.036     84.4
2003.0     0.049     84.2
2004.0     0.062     84.1
2005.0     0.074     84.1
2006.0     0.085     84.0
2007.0     0.094     84.0
2008.0     0.103     83.9
2009.0     0.111     83.9
2010.0     0.117     83.9
2011.0     0.121     83.9
2012.0     0.125     83.8
2013.0     0.127     83.8
2014.0     0.128     83.8
2015.0     0.127     83.8
2016.0     0.125     83.7
2017.0     0.122     83.7
2018.0     0.117     83.7
2019.0     0.111     83.7
2020.0     0.105     83.6
2021.0     0.097     83.6
2022.0     0.088     83.6
2023.0     0.079     83.5
2024.0     0.069     83.5
2025.0     0.058     83.4
2026.0     0.047     83.3
2027.0     0.035     83.0
2028.0     0.023     82.6
2029.0     0.011     81.2
2030.0     0.002    279.3
2031.0     0.014    265.7
2032.0     0.026    264.8
2033.0     0.038    264.5
2034.0     0.050    264.3
2035.0     0.061    264.2
2036.0     0.072    264.1
2037.0     0.082    264.1
2038.0     0.091    264.0
2039.0     0.099    264.0
2040.0     0.107    263.9
2041.0     0.113    263.9
2042.0     0.119    263.9
2043.0     0.123    263.9
2044.0     0.126    263.9
2045.0     0.128    263.8
2046.0     0.128    263.8
2047.0     0.127    263.8
2048.0     0.125    263.8
2049.0     0.121    263.7
2050.0     0.116    263.7
2051.0     0.110    263.7
2052.0     0.102    263.7
2053.0     0.093    263.6
2054.0     0.083    263.6

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.