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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:25:18

Orbital Elements for LDS494AC
WDS: LDS494AC WDS ID/Discoverer
P: 547000.000 Orbital period (years)
a: 11317.2 Semi-major axis (arcseconds)
i: 107.6 Inclination (degrees)
Ω: 126.0 Longitude of ascending node (degrees)
T: 286900.000 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 72.3 Longitude of periastron (degrees)
Start-Year: -271475.0 Year
End-Year: 275525.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LDS494AC
Position: 143940.90-605006.5 Epoch-2000 right ascension and declination
WDS-ID: 14396-6050 WDS designation
Discoverer Code: LDS494AC Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 128620 HD catalog number
Hipparcos number: 71683 Hipparcos catalog number
V1: 0.14 Magnitude of the primary
V2: 12.7 Magnitude of the secondary
Equinox: 2000 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)<<