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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:22:32

Orbital Elements for KNG1

WDS:	KNG1	WDS ID/Discoverer
P:	14.117	Orbital period (years)
a:	0.089662	Semi-major axis (arcseconds)
i:	95.937	Inclination (degrees)
Ω:	126.36	Longitude of ascending node (degrees)
T:	1999.791	Epoch of periastron passage (year)
e:	0.452	Eccentricity
ω:	111.527	Longitude of periastron (degrees)
Start-Year:	2018.0	Year
End-Year:	2032.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KNG1

Position:	055423.08+201635.1	Epoch-2000 right ascension and declination
WDS-ID:	05544+2017	WDS designation
Discoverer Code:	KNG1	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	39587	HD catalog number
Hipparcos number:	27913	Hipparcos catalog number
V1:	4.41	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	2000	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for KNG1

WDS 6th Orbit including measures of KNG1

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

Ephemeris of KNG1

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.095    128.1
-------------------------
2018.0     0.029    283.3
2019.0     0.013    221.6
2020.0     0.028    154.4
2021.0     0.050    140.8
2022.0     0.070    135.5
2023.0     0.086    132.4
2024.0     0.095    130.1
2025.0     0.095    128.1
2026.0     0.080    125.6
2027.0     0.043    120.5
2028.0     0.017    322.6
2029.0     0.060    306.8
2030.0     0.066    302.3
2031.0     0.052    297.0

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.