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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 16:16:12

Orbital Elements for BU733AB
WDS: BU733AB WDS ID/Discoverer
P: 26.603 Orbital period (years)
a: 0.819 Semi-major axis (arcseconds)
i: 49.912 Inclination (degrees)
Ω: 109.314 Longitude of ascending node (degrees)
T: 1882.997 Epoch of periastron passage (year)
e: 0.358 Eccentricity
ω: 279.052 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 BU733AB
Position: 000210.18+270455.6 Epoch-2000 right ascension and declination
WDS-ID: 00022+2705 WDS designation
Discoverer Code: BU733AB Discover designation and components
ADS number: 17175 Aitken Double Star catalog
HD number: 224930 HD catalog number
Hipparcos number: 171 Hipparcos catalog number
V1: 5.83 Magnitude of the primary
V2: 8.9 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 1 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BU733AB



WDS 6th Orbit including measures of BU733AB

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


Ephemeris of BU733AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.726    167.1
-------------------------
2012.0     0.737    291.8
2013.0     0.639    303.3
2014.0     0.510    319.9
2015.0     0.382    348.2
2016.0     0.344     32.7
2017.0     0.437     70.5
2018.0     0.563     92.6
2019.0     0.662    107.1
2020.0     0.724    118.4
2021.0     0.754    128.3
2022.0     0.762    137.8
2023.0     0.755    147.2
2024.0     0.741    157.0
2025.0     0.726    167.1
2026.0     0.714    177.7
2027.0     0.708    188.5
2028.0     0.711    199.3
2029.0     0.723    210.0
2030.0     0.743    220.1
2031.0     0.768    229.7
2032.0     0.795    238.6
2033.0     0.821    247.0
2034.0     0.842    254.9
2035.0     0.853    262.4
2036.0     0.850    269.9
2037.0     0.828    277.7






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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