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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:59:59

Orbital Elements for FIN332AA,AB

WDS:	FIN332AA,AB	WDS ID/Discoverer
P:	27.620	Orbital period (years)
a:	0.0911	Semi-major axis (arcseconds)
i:	107.9	Inclination (degrees)
Ω:	136.0	Longitude of ascending node (degrees)
T:	1994.000	Epoch of periastron passage (year)
e:	0.82	Eccentricity
ω:	4.6	Longitude of periastron (degrees)
Start-Year:	2012.0	Year
End-Year:	2038.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN332AA,AB

Position:	184528.36+053000.4	Epoch-2000 right ascension and declination
WDS-ID:	18455+0530	WDS designation
Discoverer Code:	FIN332AA,AB	Discover designation and components
ADS number:	11640	Aitken Double Star catalog
HD number:	173495	HD catalog number
Hipparcos number:	92027	Hipparcos catalog number
V1:	6.91	Magnitude of the primary
V2:	7.31	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 FIN332AA,AB

WDS 6th Orbit including measures of FIN332AA,AB

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

Ephemeris of FIN332AA,AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.082    326.0
-------------------------
2012.0     0.151    311.5
2013.0     0.144    310.6
2014.0     0.135    309.6
2015.0     0.124    308.5
2016.0     0.111    307.1
2017.0     0.096    305.3
2018.0     0.079    302.8
2019.0     0.058    298.7
2020.0     0.033    288.9
2021.0     0.009    212.3
2022.0     0.009     90.4
2023.0     0.032    339.6
2024.0     0.059    329.8
2025.0     0.082    326.0
2026.0     0.100    323.6
2027.0     0.115    322.0
2028.0     0.127    320.7
2029.0     0.138    319.6
2030.0     0.147    318.7
2031.0     0.153    317.8
2032.0     0.159    317.0
2033.0     0.162    316.3
2034.0     0.165    315.6
2035.0     0.165    314.9
2036.0     0.165    314.2
2037.0     0.163    313.5

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.