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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:21:47

Orbital Elements for BEM7
WDS: BEM7 WDS ID/Discoverer
P: 133535.000 Orbital period (years)
a: 16.5 Semi-major axis (arcseconds)
i: 102.0 Inclination (degrees)
Ω: 84.6 Longitude of ascending node (degrees)
T: 135137.000 Epoch of periastron passage (year)
e: 0.83 Eccentricity
ω: 276.0 Longitude of periastron (degrees)
Start-Year: -64742.0 Year
End-Year: 68792.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BEM7
Position: 140507.51+491337.2 Epoch-2000 right ascension and declination
WDS-ID: 14051+4913 WDS designation
Discoverer Code: BEM7 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 11.80 Magnitude of the primary
V2: 11.98 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Range error in Orbital Elements >>- Epoch T is outside the typical historical/near-future range (1600-2500)<<