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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:47:14

Orbital Elements for A2386

WDS:	A2386	WDS ID/Discoverer
P:	1.145	Orbital period (years)
a:	0.00326	Semi-major axis (arcseconds)
i:	76.33	Inclination (degrees)
Ω:	10.26	Longitude of ascending node (degrees)
T:	1978.587	Epoch of periastron passage (year)
e:	0.203	Eccentricity
ω:	301.4	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 A2386

Position:	173121.35+024328.1	Epoch-2000 right ascension and declination
WDS-ID:	17314+0243	WDS designation
Discoverer Code:	A2386	Discover designation and components
ADS number:	10607	Aitken Double Star catalog
HD number:	158837	HD catalog number
Hipparcos number:	85749	Hipparcos catalog number
V1:	6.3	Magnitude of the primary
V2:	6.3	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for A2386

WDS 6th Orbit including measures of A2386

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

Ephemeris of A2386

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.003    174.1
-------------------------

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.