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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:10:32

Orbital Elements for 14VUL

WDS:	14VUL	WDS ID/Discoverer
P:	0.778	Orbital period (years)
a:	0.005900000000000001	Semi-major axis (arcseconds)
i:	91.0	Inclination (degrees)
Ω:	194.0	Longitude of ascending node (degrees)
T:	1991.807	Epoch of periastron passage (year)
e:	0.44	Eccentricity
ω:	90.0	Longitude of periastron (degrees)
Start-Year:	2025.0	Year
End-Year:	2025.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for 14VUL

Position:	195910.58+230604.6	Epoch-2000 right ascension and declination
WDS-ID:	19592+2306	WDS designation
Discoverer Code:	14VUL	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	189410	HD catalog number
Hipparcos number:	98375	Hipparcos catalog number
V1:	5.68	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for 14VUL

WDS 6th Orbit including measures of 14VUL

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

Ephemeris of 14VUL

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.004    195.6
-------------------------

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.