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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:56:45

Orbital Elements for CHR148

WDS:	CHR148	WDS ID/Discoverer
P:	0.329	Orbital period (years)
a:	0.00395	Semi-major axis (arcseconds)
i:	85.81	Inclination (degrees)
Ω:	188.34	Longitude of ascending node (degrees)
T:	1941.022	Epoch of periastron passage (year)
e:	0.4282	Eccentricity
ω:	134.41	Longitude of periastron (degrees)
Start-Year:	2025.0	Year
End-Year:	2025.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CHR148

Position:	181941.35-454155.8	Epoch-2000 right ascension and declination
WDS-ID:	18197-4542	WDS designation
Discoverer Code:	CHR148	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	167954	HD catalog number
Hipparcos number:	89808	Hipparcos catalog number
V1:	6.85	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:	n	Flags

Double Star Orbit for CHR148

WDS 6th Orbit including measures of CHR148

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

Ephemeris of CHR148

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.005    185.8
-------------------------

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.