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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:22:24

Orbital Elements for NOI3AA,AB
WDS: NOI3AA,AB WDS ID/Discoverer
P: 2.835 Orbital period (years)
a: 0.017 Semi-major axis (arcseconds)
i: 113.4 Inclination (degrees)
Ω: 88.6 Longitude of ascending node (degrees)
T: 2006.966 Epoch of periastron passage (year)
e: 0.019 Eccentricity
ω: 92.9 Longitude of periastron (degrees)
Start-Year: 2024.0 Year
End-Year: 2026.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for NOI3AA,AB
Position: 004443.50+481703.8 Epoch-2000 right ascension and declination
WDS-ID: 00447+4817 WDS designation
Discoverer Code: NOI3AA,AB Discover designation and components
ADS number: 622 Aitken Double Star catalog
HD number: 4180 HD catalog number
Hipparcos number: 3504 Hipparcos catalog number
V1: 4.6 Magnitude of the primary
V2: 7.5 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2007 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for NOI3AA,AB



WDS 6th Orbit including measures of NOI3AA,AB

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


Ephemeris of NOI3AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.013    247.2
-------------------------
2024.0     0.007    343.6
2025.0     0.013    247.2






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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