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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:03:56

Orbital Elements for CD-501492

WDS:	CD-501492	WDS ID/Discoverer
P:	5.677	Orbital period (years)
a:	0.014	Semi-major axis (arcseconds)
i:	49.1	Inclination (degrees)
Ω:	99.7	Longitude of ascending node (degrees)
T:	2006.316	Epoch of periastron passage (year)
e:	0.741	Eccentricity
ω:	70.7	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 CD-501492

Position:	044538.99-500424.3	Epoch-2000 right ascension and declination
WDS-ID:	04456-5004	WDS designation
Discoverer Code:	CD-501492	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	30501	HD catalog number
Hipparcos number:	22122	Hipparcos catalog number
V1:	7.59	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:		Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for CD-501492

WDS 6th Orbit including measures of CD-501492

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

Ephemeris of CD-501492

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.017    320.1
-------------------------
2023.0     0.007     71.1
2024.0     0.012    295.9
2025.0     0.017    320.1
2026.0     0.017    338.1

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.