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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:31:47

Orbital Elements for SNA5

WDS:	SNA5	WDS ID/Discoverer
P:	5.759	Orbital period (years)
a:	0.010383	Semi-major axis (arcseconds)
i:	74.87	Inclination (degrees)
Ω:	23.36	Longitude of ascending node (degrees)
T:	2006.846	Epoch of periastron passage (year)
e:	0.06	Eccentricity
ω:	72.4	Longitude of periastron (degrees)
Start-Year:	2023.0	Year
End-Year:	2027.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SNA5

Position:	070920.25-102047.7	Epoch-2000 right ascension and declination
WDS-ID:	07093-1021	WDS designation
Discoverer Code:	SNA5	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	54662	HD catalog number
Hipparcos number:	34536	Hipparcos catalog number
V1:	6.8 k	Magnitude of the primary
V2:	7.1 k	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for SNA5

WDS 6th Orbit including measures of SNA5

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

Ephemeris of SNA5

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.007    187.8
-------------------------
2023.0     0.010     22.2
2024.0     0.005     51.3
2025.0     0.007    187.8
2026.0     0.010    207.6

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.