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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:45:59

Orbital Elements for HDS407
WDS: HDS407 WDS ID/Discoverer
P: 35.326 Orbital period (years)
a: 0.5037 Semi-major axis (arcseconds)
i: 46.4 Inclination (degrees)
Ω: 69.9 Longitude of ascending node (degrees)
T: 2021.750 Epoch of periastron passage (year)
e: 0.735 Eccentricity
ω: 266.1 Longitude of periastron (degrees)
Start-Year: 2008.0 Year
End-Year: 2042.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for HDS407
Position: 031156.84+613112.0 Epoch-2000 right ascension and declination
WDS-ID: 03119+6131 WDS designation
Discoverer Code: HDS407 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 14864 Hipparcos catalog number
V1: 10.32 Magnitude of the primary
V2: 12.45 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2011 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for HDS407



WDS 6th Orbit including measures of HDS407

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


Ephemeris of HDS407
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.370     92.3
-------------------------
2008.0     0.585    167.6
2009.0     0.576    171.1
2010.0     0.565    174.9
2011.0     0.552    178.7
2012.0     0.537    182.8
2013.0     0.520    187.1
2014.0     0.500    191.8
2015.0     0.477    196.9
2016.0     0.450    202.5
2017.0     0.418    208.9
2018.0     0.379    216.5
2019.0     0.329    226.2
2020.0     0.262    240.0
2021.0     0.164    267.2
2022.0     0.102      7.8
2023.0     0.217     63.9
2024.0     0.306     81.7
2025.0     0.370     92.3
2026.0     0.419    100.0
2027.0     0.457    106.3
2028.0     0.488    111.8
2029.0     0.514    116.6
2030.0     0.535    121.0
2031.0     0.553    125.0
2032.0     0.567    128.9
2033.0     0.579    132.6
2034.0     0.588    136.1
2035.0     0.595    139.6
2036.0     0.600    142.9
2037.0     0.604    146.3
2038.0     0.605    149.6
2039.0     0.605    152.9
2040.0     0.603    156.2
2041.0     0.599    159.5






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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