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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 19:40:16

Orbital Elements for S825AB
WDS: S825AB WDS ID/Discoverer
P: 110000.000 Orbital period (years)
a: 136.0 Semi-major axis (arcseconds)
i: 128.0 Inclination (degrees)
Ω: 139.0 Longitude of ascending node (degrees)
T: -2788.000 Epoch of periastron passage (year)
e: 0.75 Eccentricity
ω: 82.0 Longitude of periastron (degrees)
Start-Year: -52975.0 Year
End-Year: 57025.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for S825AB
Position: 231002.57+365053.9 Epoch-2000 right ascension and declination
WDS-ID: 23100+3651 WDS designation
Discoverer Code: S825AB Discover designation and components
ADS number: 16558 Aitken Double Star catalog
HD number: 218741 HD catalog number
Hipparcos number: 114390 Hipparcos catalog number
V1: 7.78 Magnitude of the primary
V2: 8.26 Magnitude of the secondary
Equinox: Equinox
Date: 2005 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)<<