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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:59:47

Orbital Elements for HJL1115AB

WDS:	HJL1115AB	WDS ID/Discoverer
P:	0.428	Orbital period (years)
a:	0.011337999999999999	Semi-major axis (arcseconds)
i:	103.133	Inclination (degrees)
Ω:	340.513	Longitude of ascending node (degrees)
T:	2013.942	Epoch of periastron passage (year)
e:	0.851282	Eccentricity
ω:	21.983	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 HJL1115AB

Position:	042443.17+044159.8	Epoch-2000 right ascension and declination
WDS-ID:	04247+0442	WDS designation
Discoverer Code:	HJL1115AB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	27935	HD catalog number
Hipparcos number:	20601	Hipparcos catalog number
V1:	7.6	Magnitude of the primary
V2:	8.6	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HJL1115AB

WDS 6th Orbit including measures of HJL1115AB

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

Ephemeris of HJL1115AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.010    147.7
-------------------------

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.