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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:38:34

Orbital Elements for CD-4514899

WDS:	CD-4514899	WDS ID/Discoverer
P:	3.176	Orbital period (years)
a:	0.027	Semi-major axis (arcseconds)
i:	139.0	Inclination (degrees)
Ω:	136.0	Longitude of ascending node (degrees)
T:	1993.367	Epoch of periastron passage (year)
e:	0.33	Eccentricity
ω:	92.0	Longitude of periastron (degrees)
Start-Year:	2024.0	Year
End-Year:	2026.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CD-4514899

Position:	230137.74-445919.0	Epoch-2000 right ascension and declination
WDS-ID:	23016-4459	WDS designation
Discoverer Code:	CD-4514899	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	217486	HD catalog number
Hipparcos number:	113697	Hipparcos catalog number
V1:	8.96	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	1991	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for CD-4514899

WDS 6th Orbit including measures of CD-4514899

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

Ephemeris of CD-4514899

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.015     80.7
-------------------------
2024.0     0.028    187.4
2025.0     0.015     80.7

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.