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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:28:17

Orbital Elements for HDS3083

WDS:	HDS3083	WDS ID/Discoverer
P:	12.750	Orbital period (years)
a:	0.2169	Semi-major axis (arcseconds)
i:	69.4	Inclination (degrees)
Ω:	149.8	Longitude of ascending node (degrees)
T:	2006.893	Epoch of periastron passage (year)
e:	0.294	Eccentricity
ω:	108.3	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 HDS3083

Position:	213954.37+273643.3	Epoch-2000 right ascension and declination
WDS-ID:	21399+2737	WDS designation
Discoverer Code:	HDS3083	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	106972	Hipparcos catalog number
V1:	11.95	Magnitude of the primary
V2:	13.22	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2008	Date of last observation
Orbit grade:	2	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for HDS3083

WDS 6th Orbit including measures of HDS3083

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

Ephemeris of HDS3083

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.097     64.6
-------------------------
2019.0     0.069    201.4
2020.0     0.104    305.1
2021.0     0.177    327.9
2022.0     0.187    340.8
2023.0     0.156    355.7
2024.0     0.114     21.1
2025.0     0.097     64.6
2026.0     0.128    102.5
2027.0     0.175    122.5
2028.0     0.214    134.3
2029.0     0.230    143.2
2030.0     0.209    152.2

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.