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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:03:21

Orbital Elements for KUI90CA,CB

WDS:	KUI90CA,CB	WDS ID/Discoverer
P:	5.747	Orbital period (years)
a:	0.29278	Semi-major axis (arcseconds)
i:	77.377	Inclination (degrees)
Ω:	84.702	Longitude of ascending node (degrees)
T:	2019.941	Epoch of periastron passage (year)
e:	0.25509	Eccentricity
ω:	330.47	Longitude of periastron (degrees)
Start-Year:	2023.0	Year
End-Year:	2027.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KUI90CA,CB

Position:	190743.20+323244.1	Epoch-2000 right ascension and declination
WDS-ID:	19074+3230	WDS designation
Discoverer Code:	KUI90CA,CB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	10.80	Magnitude of the primary
V2:	11.4	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	1	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KUI90CA,CB

WDS 6th Orbit including measures of KUI90CA,CB

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

Ephemeris of KUI90CA,CB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.064    322.9
-------------------------
2023.0     0.340    259.6
2024.0     0.310    269.2
2025.0     0.064    322.9
2026.0     0.225     85.5

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.