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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:08:32

Orbital Elements for WNO56AF

WDS:	WNO56AF	WDS ID/Discoverer
P:	3700000.000	Orbital period (years)
a:	1699.8	Semi-major axis (arcseconds)
i:	4.0	Inclination (degrees)
Ω:	55.0	Longitude of ascending node (degrees)
T:	-149394.000	Epoch of periastron passage (year)
e:	0.76	Eccentricity
ω:	83.0	Longitude of periastron (degrees)
Start-Year:	-1847975.0	Year
End-Year:	1852025.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WNO56AF

Position:	194625.60+334339.3	Epoch-2000 right ascension and declination
WDS-ID:	19464+3344	WDS designation
Discoverer Code:	WNO56AF	Discover designation and components
ADS number:	12913	Aitken Double Star catalog
HD number:	187013	HD catalog number
Hipparcos number:	97295	Hipparcos catalog number
V1:	5.06	Magnitude of the primary
V2:	8.48	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2013	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Range error in Orbital Elements >>- Epoch T is outside the typical historical/near-future range (1600-2500)<<