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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:14:05

Orbital Elements for FIN336

WDS:	FIN336	WDS ID/Discoverer
P:	50.660	Orbital period (years)
a:	0.168	Semi-major axis (arcseconds)
i:	68.3	Inclination (degrees)
Ω:	106.4	Longitude of ascending node (degrees)
T:	1949.710	Epoch of periastron passage (year)
e:	0.656	Eccentricity
ω:	81.4	Longitude of periastron (degrees)
Start-Year:	2000.0	Year
End-Year:	2050.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN336

Position:	203104.33-150321.8	Epoch-2000 right ascension and declination
WDS-ID:	20311-1503	WDS designation
Discoverer Code:	FIN336	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	195330	HD catalog number
Hipparcos number:	101221	Hipparcos catalog number
V1:	6.8	Magnitude of the primary
V2:	7.0	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2017	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for FIN336

WDS 6th Orbit including measures of FIN336

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

Ephemeris of FIN336

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.112    351.0
-------------------------
2000.0     0.032    144.6
2001.0     0.029    239.5
2002.0     0.061    271.3
2003.0     0.089    281.4
2004.0     0.109    287.1
2005.0     0.123    291.3
2006.0     0.134    294.6
2007.0     0.142    297.6
2008.0     0.147    300.3
2009.0     0.150    302.8
2010.0     0.152    305.2
2011.0     0.153    307.6
2012.0     0.153    310.0
2013.0     0.152    312.4
2014.0     0.150    314.9
2015.0     0.148    317.4
2016.0     0.145    320.0
2017.0     0.142    322.8
2018.0     0.138    325.6
2019.0     0.135    328.6
2020.0     0.131    331.8
2021.0     0.127    335.2
2022.0     0.123    338.8
2023.0     0.119    342.6
2024.0     0.116    346.7
2025.0     0.112    351.0
2026.0     0.109    355.6
2027.0     0.106      0.4
2028.0     0.104      5.5
2029.0     0.102     10.8
2030.0     0.101     16.2
2031.0     0.100     21.8
2032.0     0.100     27.4
2033.0     0.100     33.0
2034.0     0.101     38.5
2035.0     0.103     43.9
2036.0     0.104     49.1
2037.0     0.107     54.1
2038.0     0.109     58.9
2039.0     0.111     63.6
2040.0     0.114     68.0
2041.0     0.116     72.2
2042.0     0.118     76.3
2043.0     0.119     80.3
2044.0     0.119     84.3
2045.0     0.117     88.3
2046.0     0.114     92.5
2047.0     0.107     97.1
2048.0     0.097    102.4
2049.0     0.079    109.6

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.