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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:56:20

Orbital Elements for LMP51
WDS: LMP51 WDS ID/Discoverer
P: 26.028 Orbital period (years)
a: 0.4201 Semi-major axis (arcseconds)
i: 96.5 Inclination (degrees)
Ω: 294.8 Longitude of ascending node (degrees)
T: 1996.458 Epoch of periastron passage (year)
e: 0.57 Eccentricity
ω: 221.0 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 LMP51
Position: 040721.54-641320.2 Epoch-2000 right ascension and declination
WDS-ID: 04074-6413 WDS designation
Discoverer Code: LMP51 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 26491 HD catalog number
Hipparcos number: 19233 Hipparcos catalog number
V1: 6.37 Magnitude of the primary
V2: 9. Magnitude of the secondary
Equinox: 2000 Equinox
Date: Date of last observation
Orbit grade: 5 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for LMP51



WDS 6th Orbit including measures of LMP51

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


Ephemeris of LMP51
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.247    300.0
-------------------------
2012.0     0.391    286.3
2013.0     0.337    284.6
2014.0     0.277    282.2
2015.0     0.213    278.3
2016.0     0.145    271.0
2017.0     0.080    251.0
2018.0     0.053    183.3
2019.0     0.104    138.4
2020.0     0.166    125.4
2021.0     0.206    118.9
2022.0     0.185    113.4
2023.0     0.064     96.1
2024.0     0.109    308.2
2025.0     0.247    300.0
2026.0     0.354    297.4
2027.0     0.434    296.0
2028.0     0.492    294.9
2029.0     0.532    294.1
2030.0     0.557    293.3
2031.0     0.569    292.6
2032.0     0.570    291.9
2033.0     0.561    291.2
2034.0     0.543    290.4
2035.0     0.516    289.6
2036.0     0.482    288.7
2037.0     0.441    287.6






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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