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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 18:46:26

Orbital Elements for PPM35968

WDS:	PPM35968	WDS ID/Discoverer
P:	0.564	Orbital period (years)
a:	0.0053	Semi-major axis (arcseconds)
i:	62.4	Inclination (degrees)
Ω:	221.1	Longitude of ascending node (degrees)
T:	2007.569	Epoch of periastron passage (year)
e:	0.4126	Eccentricity
ω:	78.94	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 PPM35968

Position:	172508.32+530757.9	Epoch-2000 right ascension and declination
WDS-ID:	17251+5308	WDS designation
Discoverer Code:	PPM35968	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	158222	HD catalog number
Hipparcos number:	85244	Hipparcos catalog number
V1:	7.82	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:		Flags

Double Star Orbit for PPM35968

WDS 6th Orbit including measures of PPM35968

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

Ephemeris of PPM35968

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.004    219.3
-------------------------

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.