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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:04:34

Orbital Elements for B430
WDS: B430 WDS ID/Discoverer
P: 19.950 Orbital period (years)
a: 0.132 Semi-major axis (arcseconds)
i: 82.1 Inclination (degrees)
Ω: 285.1 Longitude of ascending node (degrees)
T: 2014.980 Epoch of periastron passage (year)
e: 0.506 Eccentricity
ω: 7.5 Longitude of periastron (degrees)
Start-Year: 2016.0 Year
End-Year: 2034.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B430
Position: 191532.40-251523.8 Epoch-2000 right ascension and declination
WDS-ID: 19155-2515 WDS designation
Discoverer Code: B430 Discover designation and components
ADS number: 12214 Aitken Double Star catalog
HD number: 179950 HD catalog number
Hipparcos number: 94643 Hipparcos catalog number
V1: 5.5 Magnitude of the primary
V2: 5.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for B430



WDS 6th Orbit including measures of B430

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


Ephemeris of B430
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.197    106.2
-------------------------
2016.0     0.034    301.7
2017.0     0.023     68.1
2018.0     0.067     92.7
2019.0     0.107     97.8
2020.0     0.138    100.3
2021.0     0.163    101.9
2022.0     0.181    103.2
2023.0     0.192    104.2
2024.0     0.197    105.2
2025.0     0.197    106.2
2026.0     0.191    107.2
2027.0     0.179    108.3
2028.0     0.162    109.5
2029.0     0.139    111.2
2030.0     0.110    113.6
2031.0     0.075    118.1
2032.0     0.036    131.7
2033.0     0.018    237.4






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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