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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:21:35

Orbital Elements for CD-40135

WDS:	CD-40135	WDS ID/Discoverer
P:	0.126	Orbital period (years)
a:	0.0025	Semi-major axis (arcseconds)
i:	166.5	Inclination (degrees)
Ω:	270.2	Longitude of ascending node (degrees)
T:	2007.610	Epoch of periastron passage (year)
e:	0.285	Eccentricity
ω:	320.6	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 CD-40135

Position:	003534.17-394445.2	Epoch-2000 right ascension and declination
WDS-ID:	00356-3945	WDS designation
Discoverer Code:	CD-40135	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	3277	HD catalog number
Hipparcos number:	2790	Hipparcos catalog number
V1:	7.44	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-40135

WDS 6th Orbit including measures of CD-40135

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

Ephemeris of CD-40135

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.003    102.9
-------------------------

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.