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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:36:26

Orbital Elements for FIN325

WDS:	FIN325	WDS ID/Discoverer
P:	31.430	Orbital period (years)
a:	0.3262	Semi-major axis (arcseconds)
i:	77.66	Inclination (degrees)
Ω:	185.41	Longitude of ascending node (degrees)
T:	1989.266	Epoch of periastron passage (year)
e:	0.6548	Eccentricity
ω:	122.43	Longitude of periastron (degrees)
Start-Year:	2010.0	Year
End-Year:	2040.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN325

Position:	075247.87-052541.5	Epoch-2000 right ascension and declination
WDS-ID:	07528-0526	WDS designation
Discoverer Code:	FIN325	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	64235	HD catalog number
Hipparcos number:	38474	Hipparcos catalog number
V1:	7.32	Magnitude of the primary
V2:	6.19	Magnitude of the secondary
Equinox:	2000	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 FIN325

WDS 6th Orbit including measures of FIN325

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

Ephemeris of FIN325

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.121     37.0
-------------------------
2010.0     0.384    174.9
2011.0     0.390    176.2
2012.0     0.390    177.5
2013.0     0.385    178.8
2014.0     0.374    180.2
2015.0     0.355    181.7
2016.0     0.327    183.4
2017.0     0.286    185.5
2018.0     0.229    188.4
2019.0     0.148    194.1
2020.0     0.041    226.4
2021.0     0.095    356.6
2022.0     0.152      9.0
2023.0     0.158     17.0
2024.0     0.143     25.6
2025.0     0.121     37.0
2026.0     0.101     53.3
2027.0     0.089     75.8
2028.0     0.091    101.0
2029.0     0.107    121.7
2030.0     0.131    135.9
2031.0     0.159    145.4
2032.0     0.188    152.0
2033.0     0.217    156.8
2034.0     0.245    160.5
2035.0     0.271    163.5
2036.0     0.296    165.9
2037.0     0.318    168.0
2038.0     0.338    169.8
2039.0     0.356    171.5

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.