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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:46:05

Orbital Elements for RST3972AA,AB
WDS: RST3972AA,AB WDS ID/Discoverer
P: 15.280 Orbital period (years)
a: 0.1473 Semi-major axis (arcseconds)
i: 24.6 Inclination (degrees)
Ω: 61.6 Longitude of ascending node (degrees)
T: 2021.269 Epoch of periastron passage (year)
e: 0.5726 Eccentricity
ω: 24.3 Longitude of periastron (degrees)
Start-Year: 2018.0 Year
End-Year: 2032.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST3972AA,AB
Position: 172357.87-092129.7 Epoch-2000 right ascension and declination
WDS-ID: 17240-0921 WDS designation
Discoverer Code: RST3972AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 157498 HD catalog number
Hipparcos number: 85141 Hipparcos catalog number
V1: 8.5 Magnitude of the primary
V2: 8.7 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 1 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for RST3972AA,AB



WDS 6th Orbit including measures of RST3972AA,AB

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


Ephemeris of RST3972AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.185    231.5
-------------------------
2018.0     0.161    305.1
2019.0     0.129    323.4
2020.0     0.094    354.8
2021.0     0.066     58.6
2022.0     0.073    151.2
2023.0     0.115    197.3
2024.0     0.155    218.4
2025.0     0.185    231.5
2026.0     0.207    241.4
2027.0     0.221    249.7
2028.0     0.228    257.3
2029.0     0.228    264.6
2030.0     0.222    272.1
2031.0     0.210    280.2






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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