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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:42:26

Orbital Elements for STFA32AC
WDS: STFA32AC WDS ID/Discoverer
P: 47000.000 Orbital period (years)
a: 89.1 Semi-major axis (arcseconds)
i: 155.0 Inclination (degrees)
Ω: 82.0 Longitude of ascending node (degrees)
T: 13612.000 Epoch of periastron passage (year)
e: 0.56 Eccentricity
ω: 324.0 Longitude of periastron (degrees)
Start-Year: -21475.0 Year
End-Year: 25525.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STFA32AC
Position: 165753.18+472200.0 Epoch-2000 right ascension and declination
WDS-ID: 16579+4722 WDS designation
Discoverer Code: STFA32AC Discover designation and components
ADS number: 10288 Aitken Double Star catalog
HD number: 153557 HD catalog number
Hipparcos number: 83020 Hipparcos catalog number
V1: 7.93 Magnitude of the primary
V2: 8.05 Magnitude of the secondary
Equinox: Equinox
Date: 2007 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)<<