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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:35:13

Orbital Elements for LAF27
WDS: LAF27 WDS ID/Discoverer
P: 26.540 Orbital period (years)
a: 0.5344 Semi-major axis (arcseconds)
i: 50.59 Inclination (degrees)
Ω: 319.68 Longitude of ascending node (degrees)
T: 2014.597 Epoch of periastron passage (year)
e: 0.3294 Eccentricity
ω: 82.35 Longitude of periastron (degrees)
Start-Year: 2012.0 Year
End-Year: 2038.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for LAF27
Position: 022232.55-234858.8 Epoch-2000 right ascension and declination
WDS-ID: 02225-2349 WDS designation
Discoverer Code: LAF27 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 14802 HD catalog number
Hipparcos number: 11072 Hipparcos catalog number
V1: 5.2 Magnitude of the primary
V2: 10.2 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2012 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for LAF27



WDS 6th Orbit including measures of LAF27

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


Ephemeris of LAF27
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.506    188.7
-------------------------
2012.0     0.410    330.2
2013.0     0.336    346.9
2014.0     0.258     14.0
2015.0     0.229     55.6
2016.0     0.283     92.9
2017.0     0.368    115.2
2018.0     0.444    129.3
2019.0     0.498    139.7
2020.0     0.532    148.4
2021.0     0.548    156.3
2022.0     0.550    164.0
2023.0     0.541    171.8
2024.0     0.526    180.0
2025.0     0.506    188.7
2026.0     0.486    198.1
2027.0     0.469    208.3
2028.0     0.456    219.2
2029.0     0.449    230.6
2030.0     0.449    242.2
2031.0     0.456    253.5
2032.0     0.469    264.4
2033.0     0.483    274.6
2034.0     0.496    284.3
2035.0     0.503    293.6
2036.0     0.500    302.8
2037.0     0.481    312.4






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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