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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:44:28

Orbital Elements for LAB1AA,AB
WDS: LAB1AA,AB WDS ID/Discoverer
P: 4.149 Orbital period (years)
a: 0.055 Semi-major axis (arcseconds)
i: 94.5 Inclination (degrees)
Ω: 100.6 Longitude of ascending node (degrees)
T: 2013.888 Epoch of periastron passage (year)
e: 0.728 Eccentricity
ω: 54.1 Longitude of periastron (degrees)
Start-Year: 2023.0 Year
End-Year: 2027.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LAB1AA,AB
Position: 025415.46+524545.0 Epoch-2000 right ascension and declination
WDS-ID: 02543+5246 WDS designation
Discoverer Code: LAB1AA,AB Discover designation and components
ADS number: 2202 Aitken Double Star catalog
HD number: 17879 HD catalog number
Hipparcos number: 13531 Hipparcos catalog number
V1: 4.2 Magnitude of the primary
V2: 5.9 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 1994 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for LAB1AA,AB



WDS 6th Orbit including measures of LAB1AA,AB

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


Ephemeris of LAB1AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.031    268.6
-------------------------
2023.0     0.063    278.7
2024.0     0.062    275.5
2025.0     0.031    268.6
2026.0     0.017    110.0






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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