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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:34:23

Orbital Elements for NHR8AA,AB
WDS: NHR8AA,AB WDS ID/Discoverer
P: 1138.300 Orbital period (years)
a: 0.69 Semi-major axis (arcseconds)
i: 53.7 Inclination (degrees)
Ω: 76.5 Longitude of ascending node (degrees)
T: 2433.300 Epoch of periastron passage (year)
e: 0.21 Eccentricity
ω: 360.0 Longitude of periastron (degrees)
Start-Year: 1456.0 Year
End-Year: 2594.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for NHR8AA,AB
Position: 154912.14-353903.9 Epoch-2000 right ascension and declination
WDS-ID: 15492-3539 WDS designation
Discoverer Code: NHR8AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 11.40 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 2012 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Range error in Orbital Elements >>- Argument of periastron omega_l must be between 0 (inclusive) and 360 (exclusive) degrees<<