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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:58:30

Orbital Elements for TOK537AA,AB
WDS: TOK537AA,AB WDS ID/Discoverer
P: 29.180 Orbital period (years)
a: 0.32 Semi-major axis (arcseconds)
i: 54.7 Inclination (degrees)
Ω: 158.0 Longitude of ascending node (degrees)
T: 2021.841 Epoch of periastron passage (year)
e: 0.68 Eccentricity
ω: 370.7 Longitude of periastron (degrees)
Start-Year: 2011.0 Year
End-Year: 2039.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK537AA,AB
Position: 102817.22-241556.1 Epoch-2000 right ascension and declination
WDS-ID: 10283-2416 WDS designation
Discoverer Code: TOK537AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 51263 Hipparcos catalog number
V1: 9.4 Magnitude of the primary
V2: 11.4 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 4 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<<