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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:27:49

Orbital Elements for YSC129
WDS: YSC129 WDS ID/Discoverer
P: 2.559 Orbital period (years)
a: 0.0337 Semi-major axis (arcseconds)
i: 105.2 Inclination (degrees)
Ω: 280.7 Longitude of ascending node (degrees)
T: 2002.737 Epoch of periastron passage (year)
e: 0.158 Eccentricity
ω: 296.8 Longitude of periastron (degrees)
Start-Year: 2024.0 Year
End-Year: 2026.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC129
Position: 064137.75+355554.9 Epoch-2000 right ascension and declination
WDS-ID: 06416+3556 WDS designation
Discoverer Code: YSC129 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 47703 HD catalog number
Hipparcos number: 32040 Hipparcos catalog number
V1: 6.9 Magnitude of the primary
V2: 7.7 Magnitude of the secondary
Equinox: Equinox
Date: 2016 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for YSC129



WDS 6th Orbit including measures of YSC129

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)


Ephemeris of YSC129
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.036    102.7
-------------------------
2024.0     0.018    253.3
2025.0     0.036    102.7






Disclaimer
This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. The Double Star Calculator and the results generated are licensed under CC BY-NC-SA 4.0.


Acknowledgements
The Double Star Calculator - Orbital Elements makes use of the Washington Double Star Sixth Catalog of Orbits of Visual Binary Stars, maintained at the U.S. Naval Observatory.


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