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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 16:17:07

Orbital Elements for HDS17
WDS: HDS17 WDS ID/Discoverer
P: 12.770 Orbital period (years)
a: 0.089 Semi-major axis (arcseconds)
i: 209.9 Inclination (degrees)
Ω: 252.0 Longitude of ascending node (degrees)
T: 2006.410 Epoch of periastron passage (year)
e: 0.527 Eccentricity
ω: 11.0 Longitude of periastron (degrees)
Start-Year: 2019.0 Year
End-Year: 2031.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS17
Position: 000828.39+345604.3 Epoch-2000 right ascension and declination
WDS-ID: 00085+3456 WDS designation
Discoverer Code: HDS17 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 375 HD catalog number
Hipparcos number: 689 Hipparcos catalog number
V1: 8.11 Magnitude of the primary
V2: 8.36 Magnitude of the secondary
Equinox: Equinox
Date: 2020 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Range error in Orbital Elements >>- Inclination incl must be between 0 and 180 degrees<<