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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:00:06

Orbital Elements for FIN364AB

WDS:	FIN364AB	WDS ID/Discoverer
P:	13.250	Orbital period (years)
a:	0.0805	Semi-major axis (arcseconds)
i:	115.2	Inclination (degrees)
Ω:	136.7	Longitude of ascending node (degrees)
T:	2020.600	Epoch of periastron passage (year)
e:	0.025	Eccentricity
ω:	17.6	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for FIN364AB

Position:	104629.61-641547.7	Epoch-2000 right ascension and declination
WDS-ID:	10465-6416	WDS designation
Discoverer Code:	FIN364AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	93549	HD catalog number
Hipparcos number:	52701	Hipparcos catalog number
V1:	5.3	Magnitude of the primary
V2:	5.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2014	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for FIN364AB

WDS 6th Orbit including measures of FIN364AB

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

Ephemeris of FIN364AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.066    336.6
-------------------------
2019.0     0.072    149.4
2020.0     0.079    136.5
2021.0     0.071    123.4
2022.0     0.051    103.0
2023.0     0.034     57.3
2024.0     0.045      2.0
2025.0     0.066    336.6
2026.0     0.080    322.8
2027.0     0.081    311.6
2028.0     0.069    298.5
2029.0     0.048    275.9
2030.0     0.035    226.1

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.