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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:16:17

Orbital Elements for FIN297AB

WDS:	FIN297AB	WDS ID/Discoverer
P:	60.610	Orbital period (years)
a:	0.2462	Semi-major axis (arcseconds)
i:	67.58	Inclination (degrees)
Ω:	10.74	Longitude of ascending node (degrees)
T:	1957.500	Epoch of periastron passage (year)
e:	0.7323	Eccentricity
ω:	111.22	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 FIN297AB

Position:	131427.58-241703.4	Epoch-2000 right ascension and declination
WDS-ID:	13145-2417	WDS designation
Discoverer Code:	FIN297AB	Discover designation and components
ADS number:	8831	Aitken Double Star catalog
HD number:	114993	HD catalog number
Hipparcos number:	64603	Hipparcos catalog number
V1:	7.51	Magnitude of the primary
V2:	7.48	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN297AB

WDS 6th Orbit including measures of FIN297AB

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

Ephemeris of FIN297AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.126    227.5
-------------------------
1995.0     0.251    338.5
1996.0     0.254    340.0
1997.0     0.257    341.4
1998.0     0.259    342.8
1999.0     0.261    344.2
2000.0     0.262    345.6
2001.0     0.263    346.9
2002.0     0.263    348.3
2003.0     0.262    349.6
2004.0     0.260    351.0
2005.0     0.258    352.4
2006.0     0.254    353.8
2007.0     0.249    355.3
2008.0     0.243    356.8
2009.0     0.235    358.5
2010.0     0.226      0.2
2011.0     0.214      2.2
2012.0     0.199      4.4
2013.0     0.181      6.9
2014.0     0.159     10.2
2015.0     0.131     14.6
2016.0     0.096     21.9
2017.0     0.051     40.8
2018.0     0.030    135.9
2019.0     0.070    181.5
2020.0     0.099    194.6
2021.0     0.113    202.8
2022.0     0.121    209.5
2023.0     0.125    215.7
2024.0     0.126    221.6
2025.0     0.126    227.5
2026.0     0.126    233.4
2027.0     0.126    239.2
2028.0     0.126    245.2
2029.0     0.126    251.1
2030.0     0.127    257.0
2031.0     0.128    262.7
2032.0     0.130    268.4
2033.0     0.133    273.8
2034.0     0.136    279.0
2035.0     0.140    283.9
2036.0     0.144    288.6
2037.0     0.149    292.9
2038.0     0.154    297.0
2039.0     0.160    300.8
2040.0     0.166    304.3
2041.0     0.171    307.6
2042.0     0.178    310.7
2043.0     0.184    313.5
2044.0     0.190    316.2
2045.0     0.196    318.7
2046.0     0.202    321.1
2047.0     0.208    323.3
2048.0     0.214    325.4
2049.0     0.220    327.4
2050.0     0.225    329.3
2051.0     0.230    331.1
2052.0     0.235    332.8
2053.0     0.240    334.5
2054.0     0.244    336.1

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.