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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:01:41

Orbital Elements for GHE13AB1,2

WDS:	GHE13AB1,2	WDS ID/Discoverer
P:	12.312	Orbital period (years)
a:	0.038590000000000006	Semi-major axis (arcseconds)
i:	151.59	Inclination (degrees)
Ω:	1.8	Longitude of ascending node (degrees)
T:	1999.154	Epoch of periastron passage (year)
e:	0.2922	Eccentricity
ω:	50.6	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 GHE13AB1,2

Position:	043306.62+240954.9	Epoch-2000 right ascension and declination
WDS-ID:	04331+2410	WDS designation
Discoverer Code:	GHE13AB1,2	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.8	Magnitude of the primary
V2:	15.1	Magnitude of the secondary
Equinox:		Equinox
Date:	2011	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for GHE13AB1,2

WDS 6th Orbit including measures of GHE13AB1,2

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

Ephemeris of GHE13AB1,2

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.028    246.1
-------------------------
2019.0     0.043    109.6
2020.0     0.040     88.0
2021.0     0.036     62.5
2022.0     0.033     32.0
2023.0     0.029    354.0
2024.0     0.025    301.9
2025.0     0.028    246.1
2026.0     0.036    209.4
2027.0     0.042    185.5
2028.0     0.046    167.0
2029.0     0.047    150.4
2030.0     0.046    133.7

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.