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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:24:56

Orbital Elements for CAT1AA,AB
WDS: CAT1AA,AB WDS ID/Discoverer
P: 35.520 Orbital period (years)
a: 0.648 Semi-major axis (arcseconds)
i: 41.3 Inclination (degrees)
Ω: 166.8 Longitude of ascending node (degrees)
T: 1998.057 Epoch of periastron passage (year)
e: 0.809 Eccentricity
ω: 76.0 Longitude of periastron (degrees)
Start-Year: 2008.0 Year
End-Year: 2042.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for CAT1AA,AB
Position: 061716.13+050600.3 Epoch-2000 right ascension and declination
WDS-ID: 06173+0506 WDS designation
Discoverer Code: CAT1AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 43587 HD catalog number
Hipparcos number: 29860 Hipparcos catalog number
V1: 5.77 Magnitude of the primary
V2: 11.1 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for CAT1AA,AB



WDS 6th Orbit including measures of CAT1AA,AB

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


Ephemeris of CAT1AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.715     83.7
-------------------------
2008.0     0.830     39.6
2009.0     0.852     42.3
2010.0     0.870     44.8
2011.0     0.884     47.2
2012.0     0.895     49.6
2013.0     0.901     51.9
2014.0     0.904     54.3
2015.0     0.903     56.6
2016.0     0.899     58.9
2017.0     0.892     61.2
2018.0     0.882     63.6
2019.0     0.868     66.0
2020.0     0.851     68.6
2021.0     0.831     71.2
2022.0     0.807     74.0
2023.0     0.780     77.0
2024.0     0.749     80.2
2025.0     0.715     83.7
2026.0     0.676     87.6
2027.0     0.632     92.0
2028.0     0.583     97.1
2029.0     0.529    103.2
2030.0     0.466    110.8
2031.0     0.393    121.0
2032.0     0.304    136.6
2033.0     0.179    169.7
2034.0     0.139    309.3
2035.0     0.309    351.4
2036.0     0.430      5.3
2037.0     0.521     13.6
2038.0     0.595     19.7
2039.0     0.655     24.5
2040.0     0.706     28.5
2041.0     0.749     32.1






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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