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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:14:17

Orbital Elements for FIN380

WDS:	FIN380	WDS ID/Discoverer
P:	55.000	Orbital period (years)
a:	0.235	Semi-major axis (arcseconds)
i:	86.4	Inclination (degrees)
Ω:	164.9	Longitude of ascending node (degrees)
T:	2023.610	Epoch of periastron passage (year)
e:	0.877	Eccentricity
ω:	120.8	Longitude of periastron (degrees)
Start-Year:	1998.0	Year
End-Year:	2052.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN380

Position:	125713.62+081737.5	Epoch-2000 right ascension and declination
WDS-ID:	12572+0818	WDS designation
Discoverer Code:	FIN380	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	112503	HD catalog number
Hipparcos number:	63221	Hipparcos catalog number
V1:	7.50	Magnitude of the primary
V2:	7.88	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:		Flags

Double Star Orbit for FIN380

WDS 6th Orbit including measures of FIN380

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

Ephemeris of FIN380

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.049    350.2
-------------------------
1998.0     0.237    159.3
1999.0     0.242    159.5
2000.0     0.246    159.6
2001.0     0.250    159.8
2002.0     0.253    160.0
2003.0     0.256    160.2
2004.0     0.258    160.3
2005.0     0.260    160.5
2006.0     0.261    160.6
2007.0     0.261    160.8
2008.0     0.260    161.0
2009.0     0.259    161.1
2010.0     0.257    161.3
2011.0     0.254    161.5
2012.0     0.250    161.6
2013.0     0.245    161.8
2014.0     0.238    162.0
2015.0     0.230    162.2
2016.0     0.221    162.4
2017.0     0.210    162.6
2018.0     0.196    162.9
2019.0     0.179    163.2
2020.0     0.159    163.6
2021.0     0.132    164.1
2022.0     0.096    165.0
2023.0     0.040    167.6
2024.0     0.039    345.3
2025.0     0.049    350.2
2026.0     0.041    355.6
2027.0     0.030      4.6
2028.0     0.019     24.3
2029.0     0.014     71.3
2030.0     0.020    115.2
2031.0     0.031    133.0
2032.0     0.044    141.0
2033.0     0.056    145.5
2034.0     0.069    148.3
2035.0     0.081    150.3
2036.0     0.093    151.7
2037.0     0.104    152.9
2038.0     0.115    153.8
2039.0     0.126    154.5
2040.0     0.137    155.2
2041.0     0.147    155.7
2042.0     0.157    156.2
2043.0     0.166    156.6
2044.0     0.175    157.0
2045.0     0.183    157.3
2046.0     0.192    157.6
2047.0     0.199    157.9
2048.0     0.207    158.2
2049.0     0.214    158.4
2050.0     0.220    158.6
2051.0     0.226    158.9

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.