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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:17:00

Orbital Elements for A750
WDS: A750 WDS ID/Discoverer
P: 30.450 Orbital period (years)
a: 0.212 Semi-major axis (arcseconds)
i: 128.7 Inclination (degrees)
Ω: 65.9 Longitude of ascending node (degrees)
T: 2013.490 Epoch of periastron passage (year)
e: 0.723 Eccentricity
ω: 351.6 Longitude of periastron (degrees)
Start-Year: 2010.0 Year
End-Year: 2040.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for A750
Position: 205244.94+460647.7 Epoch-2000 right ascension and declination
WDS-ID: 20527+4607 WDS designation
Discoverer Code: A750 Discover designation and components
ADS number: 14396 Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 103055 Hipparcos catalog number
V1: 9.11 Magnitude of the primary
V2: 10.26 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2009 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for A750



WDS 6th Orbit including measures of A750

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


Ephemeris of A750
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.339    258.0
-------------------------
2010.0     0.165    217.5
2011.0     0.120    206.0
2012.0     0.073    179.7
2013.0     0.052    108.3
2014.0     0.059     37.9
2015.0     0.070    337.2
2016.0     0.105    305.4
2017.0     0.145    290.3
2018.0     0.181    281.6
2019.0     0.214    275.7
2020.0     0.243    271.3
2021.0     0.269    267.8
2022.0     0.291    264.9
2023.0     0.310    262.3
2024.0     0.326    260.1
2025.0     0.339    258.0
2026.0     0.349    256.1
2027.0     0.356    254.2
2028.0     0.361    252.4
2029.0     0.363    250.7
2030.0     0.363    248.9
2031.0     0.359    247.2
2032.0     0.353    245.4
2033.0     0.344    243.5
2034.0     0.332    241.5
2035.0     0.317    239.3
2036.0     0.299    236.9
2037.0     0.276    234.1
2038.0     0.250    230.8
2039.0     0.219    226.6






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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