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

Double Star Calculator - Orbit

- Revision:   $Rev: 1216 $
- Report created:   2025-07-11 18:53:05

Orbital Elements for STF2259
WDS: STF2259 WDS ID/Discoverer
P: 461009.767 Orbital period (years)
a: 25.847 Semi-major axis (arcseconds)
i: 119.31 Inclination (degrees)
Ω: 86.41 Longitude of ascending node (degrees)
T: 432415.590 Epoch of periastron passage (year)
e: 0.935 Eccentricity
ω: 4.41 Longitude of periastron (degrees)
Start-Year: -228479.0 Year
End-Year: 232529.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for STF2259
Position: 175903.63+300256.1 Epoch-2000 right ascension and declination
WDS-ID: 17590+3003 WDS designation
Discoverer Code: STF2259 Discover designation and components
ADS number: 10955 Aitken Double Star catalog
HD number: 164253 HD catalog number
Hipparcos number: 88051 Hipparcos catalog number
V1: 7.27 Magnitude of the primary
V2: 8.44 Magnitude of the secondary
Equinox: 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)<<