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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 17:12:42

Orbital Elements for SEI105AB
WDS: SEI105AB WDS ID/Discoverer
P: 21124.000 Orbital period (years)
a: 31.5 Semi-major axis (arcseconds)
i: 74.6 Inclination (degrees)
Ω: 8.6 Longitude of ascending node (degrees)
T: 16173.400 Epoch of periastron passage (year)
e: 0.56 Eccentricity
ω: -1.0 Longitude of periastron (degrees)
Start-Year: -8537.0 Year
End-Year: 12587.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for SEI105AB
Position: 051317.55+372015.5 Epoch-2000 right ascension and declination
WDS-ID: 05133+3720 WDS designation
Discoverer Code: SEI105AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 33632 HD catalog number
Hipparcos number: 24332 Hipparcos catalog number
V1: 6.48 Magnitude of the primary
V2: 11.0 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 >>- Argument of periastron omega_l must be between 0 (inclusive) and 360 (exclusive) degrees
- Epoch T is outside the typical historical/near-future range (1600-2500)<<