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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:16:50

Orbital Elements for STT547AF
WDS: STT547AF WDS ID/Discoverer
P: 83037.000 Orbital period (years)
a: 205.1 Semi-major axis (arcseconds)
i: 75.9 Inclination (degrees)
Ω: 74.3 Longitude of ascending node (degrees)
T: 26357.000 Epoch of periastron passage (year)
e: 0.81 Eccentricity
ω: 345.6 Longitude of periastron (degrees)
Start-Year: -39493.0 Year
End-Year: 43543.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STT547AF
Position: 000541.03+454843.3 Epoch-2000 right ascension and declination
WDS-ID: 00057+4549 WDS designation
Discoverer Code: STT547AF Discover designation and components
ADS number: 48 Aitken Double Star catalog
HD number: 38 HD catalog number
Hipparcos number: 473 Hipparcos catalog number
V1: 8.98 Magnitude of the primary
V2: 10.19 Magnitude of the secondary
Equinox: Equinox
Date: 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)<<