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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:31:59

Orbital Elements for PHIPHE

WDS:	PHIPHE	WDS ID/Discoverer
P:	3.083	Orbital period (years)
a:	0.008400000000000001	Semi-major axis (arcseconds)
i:	93.0	Inclination (degrees)
Ω:	159.0	Longitude of ascending node (degrees)
T:	2006.083	Epoch of periastron passage (year)
e:	0.589	Eccentricity
ω:	201.6	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 PHIPHE

Position:	015422.06-422948.8	Epoch-2000 right ascension and declination
WDS-ID:	01544-4230	WDS designation
Discoverer Code:	PHIPHE	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	11753	HD catalog number
Hipparcos number:	8882	Hipparcos catalog number
V1:	5.11	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:		Equinox
Date:	2012	Date of last observation
Orbit grade:	9	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for PHIPHE

WDS 6th Orbit including measures of PHIPHE

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

Ephemeris of PHIPHE

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.006    161.4
-------------------------
2024.0     0.004    152.0
2025.0     0.006    161.4

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.