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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:16:34

Orbital Elements for LGR1AA,AB
WDS: LGR1AA,AB WDS ID/Discoverer
P: 24.270 Orbital period (years)
a: 0.51936 Semi-major axis (arcseconds)
i: 88.94 Inclination (degrees)
Ω: 211.93 Longitude of ascending node (degrees)
T: 2013.995 Epoch of periastron passage (year)
e: 0.119 Eccentricity
ω: 22.6 Longitude of periastron (degrees)
Start-Year: 2013.0 Year
End-Year: 2037.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LGR1AA,AB
Position: 054717.08-510359.4 Epoch-2000 right ascension and declination
WDS-ID: 05473-5104 WDS designation
Discoverer Code: LGR1AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 39060 HD catalog number
Hipparcos number: 27321 Hipparcos catalog number
V1: 3.86 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for LGR1AA,AB



WDS 6th Orbit including measures of LGR1AA,AB

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


Ephemeris of LGR1AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.571     32.1
-------------------------
2013.0     0.459    212.0
2014.0     0.422    212.4
2015.0     0.344    212.9
2016.0     0.233    213.8
2017.0     0.102    216.8
2018.0     0.041     19.0
2019.0     0.178     29.1
2020.0     0.303     30.4
2021.0     0.409     31.0
2022.0     0.491     31.4
2023.0     0.546     31.6
2024.0     0.573     31.9
2025.0     0.571     32.1
2026.0     0.542     32.3
2027.0     0.487     32.6
2028.0     0.409     33.0
2029.0     0.310     33.6
2030.0     0.196     34.8
2031.0     0.072     39.9
2032.0     0.059    202.4
2033.0     0.183    209.2
2034.0     0.296    210.5
2035.0     0.385    211.1
2036.0     0.443    211.6






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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