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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:21:00

Orbital Elements for HDS1962

WDS:	HDS1962	WDS ID/Discoverer
P:	9.764	Orbital period (years)
a:	0.0785	Semi-major axis (arcseconds)
i:	57.0	Inclination (degrees)
Ω:	34.6	Longitude of ascending node (degrees)
T:	2008.360	Epoch of periastron passage (year)
e:	0.405	Eccentricity
ω:	235.3	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS1962

Position:	135949.30-033258.7	Epoch-2000 right ascension and declination
WDS-ID:	13598-0333	WDS designation
Discoverer Code:	HDS1962	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	122106	HD catalog number
Hipparcos number:	68380	Hipparcos catalog number
V1:	6.87	Magnitude of the primary
V2:	7.88	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for HDS1962

WDS 6th Orbit including measures of HDS1962

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

Ephemeris of HDS1962

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.053    129.1
-------------------------
2021.0     0.093     44.6
2022.0     0.092     57.5
2023.0     0.080     72.7
2024.0     0.064     94.7
2025.0     0.053    129.1
2026.0     0.054    170.0
2027.0     0.057    205.3
2028.0     0.030    265.2

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.