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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:28:15

Orbital Elements for CP-731409

WDS:	CP-731409	WDS ID/Discoverer
P:	5.342	Orbital period (years)
a:	0.0043	Semi-major axis (arcseconds)
i:	167.7	Inclination (degrees)
Ω:	321.0	Longitude of ascending node (degrees)
T:	2001.411	Epoch of periastron passage (year)
e:	0.64	Eccentricity
ω:	149.7	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 CP-731409

Position:	150006.04-733207.5	Epoch-2000 right ascension and declination
WDS-ID:	15001-7332	WDS designation
Discoverer Code:	CP-731409	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	131664	HD catalog number
Hipparcos number:	73408	Hipparcos catalog number
V1:	8.13	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:	n	Flags

Double Star Orbit for CP-731409

WDS 6th Orbit including measures of CP-731409

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

Ephemeris of CP-731409

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.007    359.4
-------------------------
2023.0     0.002    100.8
2024.0     0.005     23.7
2025.0     0.007    359.4
2026.0     0.007    340.0

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.