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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:07:37

Orbital Elements for FIN366

WDS:	FIN366	WDS ID/Discoverer
P:	67.600	Orbital period (years)
a:	0.237	Semi-major axis (arcseconds)
i:	75.4	Inclination (degrees)
Ω:	155.1	Longitude of ascending node (degrees)
T:	1966.300	Epoch of periastron passage (year)
e:	0.595	Eccentricity
ω:	71.0	Longitude of periastron (degrees)
Start-Year:	1992.0	Year
End-Year:	2058.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN366

Position:	114927.90-460403.1	Epoch-2000 right ascension and declination
WDS-ID:	11495-4604	WDS designation
Discoverer Code:	FIN366	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	102703	HD catalog number
Hipparcos number:	57657	Hipparcos catalog number
V1:	7.58	Magnitude of the primary
V2:	8.75	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2013	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for FIN366

WDS 6th Orbit including measures of FIN366

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

Ephemeris of FIN366

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.150    139.5
-------------------------
1992.0     0.212    356.3
1993.0     0.205    357.7
1994.0     0.199    359.2
1995.0     0.192      0.8
1996.0     0.184      2.5
1997.0     0.177      4.3
1998.0     0.169      6.4
1999.0     0.161      8.6
2000.0     0.153     11.0
2001.0     0.145     13.8
2002.0     0.138     16.8
2003.0     0.130     20.2
2004.0     0.122     24.0
2005.0     0.115     28.3
2006.0     0.108     33.2
2007.0     0.102     38.6
2008.0     0.097     44.7
2009.0     0.093     51.5
2010.0     0.090     58.7
2011.0     0.088     66.4
2012.0     0.088     74.3
2013.0     0.089     82.1
2014.0     0.091     89.7
2015.0     0.095     96.7
2016.0     0.099    103.2
2017.0     0.104    109.1
2018.0     0.110    114.3
2019.0     0.117    119.1
2020.0     0.123    123.3
2021.0     0.129    127.1
2022.0     0.135    130.6
2023.0     0.141    133.7
2024.0     0.146    136.7
2025.0     0.150    139.5
2026.0     0.152    142.1
2027.0     0.152    144.7
2028.0     0.150    147.4
2029.0     0.145    150.1
2030.0     0.136    153.2
2031.0     0.121    156.9
2032.0     0.098    161.9
2033.0     0.069    170.7
2034.0     0.036    195.7
2035.0     0.029    276.8
2036.0     0.061    312.1
2037.0     0.095    322.4
2038.0     0.125    327.5
2039.0     0.150    330.7
2040.0     0.171    333.1
2041.0     0.188    334.9
2042.0     0.203    336.5
2043.0     0.214    337.9
2044.0     0.224    339.2
2045.0     0.231    340.3
2046.0     0.237    341.5
2047.0     0.241    342.5
2048.0     0.244    343.5
2049.0     0.245    344.6
2050.0     0.246    345.6
2051.0     0.245    346.6
2052.0     0.244    347.6
2053.0     0.242    348.6
2054.0     0.239    349.7
2055.0     0.235    350.7
2056.0     0.231    351.9
2057.0     0.226    353.0

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.