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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:27:00

Orbital Elements for FIN319

WDS:	FIN319	WDS ID/Discoverer
P:	33.230	Orbital period (years)
a:	0.239	Semi-major axis (arcseconds)
i:	80.6	Inclination (degrees)
Ω:	104.5	Longitude of ascending node (degrees)
T:	2028.750	Epoch of periastron passage (year)
e:	0.315	Eccentricity
ω:	28.1	Longitude of periastron (degrees)
Start-Year:	2009.0	Year
End-Year:	2041.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN319

Position:	145138.32-433431.1	Epoch-2000 right ascension and declination
WDS-ID:	14516-4335	WDS designation
Discoverer Code:	FIN319	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	130807	HD catalog number
Hipparcos number:	72683	Hipparcos catalog number
V1:	5.27	Magnitude of the primary
V2:	4.84	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN319

WDS 6th Orbit including measures of FIN319

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

Ephemeris of FIN319

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.143     95.5
-------------------------
2009.0     0.303    286.0
2010.0     0.300    287.1
2011.0     0.292    288.2
2012.0     0.280    289.3
2013.0     0.264    290.6
2014.0     0.243    292.1
2015.0     0.219    293.9
2016.0     0.192    296.2
2017.0     0.161    299.3
2018.0     0.128    303.9
2019.0     0.094    311.8
2020.0     0.062    328.4
2021.0     0.042      8.6
2022.0     0.053     57.4
2023.0     0.083     79.7
2024.0     0.115     89.7
2025.0     0.143     95.5
2026.0     0.163     99.6
2027.0     0.170    103.0
2028.0     0.162    106.4
2029.0     0.137    110.7
2030.0     0.099    117.6
2031.0     0.054    135.6
2032.0     0.032    208.8
2033.0     0.069    257.3
2034.0     0.116    269.2
2035.0     0.160    274.3
2036.0     0.198    277.4
2037.0     0.230    279.5
2038.0     0.256    281.1
2039.0     0.276    282.4
2040.0     0.291    283.6

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.