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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:02:50

Orbital Elements for PAT13
WDS: PAT13 WDS ID/Discoverer
P: 22.960 Orbital period (years)
a: 0.21 Semi-major axis (arcseconds)
i: 36.2 Inclination (degrees)
Ω: 161.7 Longitude of ascending node (degrees)
T: 1999.980 Epoch of periastron passage (year)
e: 0.611 Eccentricity
ω: 241.4 Longitude of periastron (degrees)
Start-Year: 2014.0 Year
End-Year: 2036.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for PAT13
Position: 043824.94+173232.7 Epoch-2000 right ascension and declination
WDS-ID: 04384+1733 WDS designation
Discoverer Code: PAT13 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 285947 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.83 Magnitude of the primary
V2: 12.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for PAT13



WDS 6th Orbit including measures of PAT13

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


Ephemeris of PAT13
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.151    149.2
-------------------------
2014.0     0.269    232.0
2015.0     0.256    238.4
2016.0     0.242    245.5
2017.0     0.225    253.6
2018.0     0.207    263.0
2019.0     0.186    274.5
2020.0     0.163    289.0
2021.0     0.137    308.5
2022.0     0.104    339.0
2023.0     0.069     43.2
2024.0     0.098    119.8
2025.0     0.151    149.2
2026.0     0.194    164.2
2027.0     0.226    174.2
2028.0     0.250    182.0
2029.0     0.268    188.6
2030.0     0.280    194.5
2031.0     0.288    199.9
2032.0     0.292    205.1
2033.0     0.293    210.3
2034.0     0.291    215.5
2035.0     0.286    220.8






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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