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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:14:37

Orbital Elements for A850A

WDS:	A850A	WDS ID/Discoverer
P:	6.051	Orbital period (years)
a:	0.032	Semi-major axis (arcseconds)
i:	61.0	Inclination (degrees)
Ω:	279.0	Longitude of ascending node (degrees)
T:	1993.565	Epoch of periastron passage (year)
e:	0.47	Eccentricity
ω:	92.0	Longitude of periastron (degrees)
Start-Year:	2022.0	Year
End-Year:	2028.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A850A

Position:	052941.59-004808.7	Epoch-2000 right ascension and declination
WDS-ID:	05297-0048	WDS designation
Discoverer Code:	A850A	Discover designation and components
ADS number:	4096	Aitken Double Star catalog
HD number:	36150	HD catalog number
Hipparcos number:	25732	Hipparcos catalog number
V1:	6.49	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1993	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for A850A

WDS 6th Orbit including measures of A850A

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

Ephemeris of A850A

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.029    118.4
-------------------------
2022.0     0.029    243.1
2023.0     0.028    273.3
2024.0     0.012     63.8
2025.0     0.029    118.4
2026.0     0.025    153.0
2027.0     0.023    200.8

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.