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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:36:04

Orbital Elements for RST2280AA,AB
WDS: RST2280AA,AB WDS ID/Discoverer
P: 31.926 Orbital period (years)
a: 0.525 Semi-major axis (arcseconds)
i: 163.8 Inclination (degrees)
Ω: 164.8 Longitude of ascending node (degrees)
T: 2020.773 Epoch of periastron passage (year)
e: 0.654 Eccentricity
ω: 15.2 Longitude of periastron (degrees)
Start-Year: 2010.0 Year
End-Year: 2040.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for RST2280AA,AB
Position: 022901.67-195845.0 Epoch-2000 right ascension and declination
WDS-ID: 02290-1959 WDS designation
Discoverer Code: RST2280AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 15468 HD catalog number
Hipparcos number: 11565 Hipparcos catalog number
V1: 8.95 Magnitude of the primary
V2: 12.24 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for RST2280AA,AB



WDS 6th Orbit including measures of RST2280AA,AB

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


Ephemeris of RST2280AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.488     21.5
-------------------------
2010.0     0.793    313.6
2011.0     0.762    309.8
2012.0     0.726    305.8
2013.0     0.683    301.2
2014.0     0.635    296.0
2015.0     0.579    289.9
2016.0     0.516    282.3
2017.0     0.445    272.5
2018.0     0.367    258.7
2019.0     0.283    237.0
2020.0     0.208    198.2
2021.0     0.183    134.6
2022.0     0.236     79.5
2023.0     0.323     49.8
2024.0     0.410     32.8
2025.0     0.488     21.5
2026.0     0.557     13.2
2027.0     0.617      6.7
2028.0     0.670      1.2
2029.0     0.715    356.5
2030.0     0.754    352.4
2031.0     0.786    348.5
2032.0     0.813    345.0
2033.0     0.834    341.7
2034.0     0.850    338.5
2035.0     0.860    335.4
2036.0     0.865    332.4
2037.0     0.866    329.4
2038.0     0.861    326.4
2039.0     0.851    323.3






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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