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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:41:38

Orbital Elements for KUI75AB

WDS:	KUI75AB	WDS ID/Discoverer
P:	1.717	Orbital period (years)
a:	0.23	Semi-major axis (arcseconds)
i:	161.0	Inclination (degrees)
Ω:	147.0	Longitude of ascending node (degrees)
T:	1991.600	Epoch of periastron passage (year)
e:	0.06	Eccentricity
ω:	104.0	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 KUI75AB

Position:	165528.75-082011.3	Epoch-2000 right ascension and declination
WDS-ID:	16555-0820	WDS designation
Discoverer Code:	KUI75AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	152751	HD catalog number
Hipparcos number:	82817	Hipparcos catalog number
V1:	9.73	Magnitude of the primary
V2:	9.81	Magnitude of the secondary
Equinox:	2000	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 KUI75AB

WDS 6th Orbit including measures of KUI75AB

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

Ephemeris of KUI75AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.230    238.3
-------------------------

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.