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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:39:11

Orbital Elements for WSI132
WDS: WSI132 WDS ID/Discoverer
P: 17.800 Orbital period (years)
a: 0.265 Semi-major axis (arcseconds)
i: 138.9 Inclination (degrees)
Ω: 36.9 Longitude of ascending node (degrees)
T: 2020.969 Epoch of periastron passage (year)
e: 0.687 Eccentricity
ω: 372.9 Longitude of periastron (degrees)
Start-Year: 2017.0 Year
End-Year: 2033.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for WSI132
Position: 163013.10-143949.6 Epoch-2000 right ascension and declination
WDS-ID: 16302-1440 WDS designation
Discoverer Code: WSI132 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 80817 Hipparcos catalog number
V1: 13.6 Magnitude of the primary
V2: 15.6 Magnitude of the secondary
Equinox: Equinox
Date: 2021 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Range error in Orbital Elements >>- Argument of periastron omega_l must be between 0 (inclusive) and 360 (exclusive) degrees<<