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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:26:17

Orbital Elements for B2601AB
WDS: B2601AB WDS ID/Discoverer
P: 16.578 Orbital period (years)
a: 1.08604 Semi-major axis (arcseconds)
i: 52.91 Inclination (degrees)
Ω: 30.385 Longitude of ascending node (degrees)
T: 2015.876 Epoch of periastron passage (year)
e: 0.38229 Eccentricity
ω: 220.942 Longitude of periastron (degrees)
Start-Year: 2017.0 Year
End-Year: 2033.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for B2601AB
Position: 062923.40-024850.3 Epoch-2000 right ascension and declination
WDS-ID: 06293-0248 WDS designation
Discoverer Code: B2601AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: 30920 Hipparcos catalog number
V1: 11.0 Magnitude of the primary
V2: 14.8 Magnitude of the secondary
Equinox: Equinox
Date: 2016 Date of last observation
Orbit grade: 2 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for B2601AB



WDS 6th Orbit including measures of B2601AB

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


Ephemeris of B2601AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     1.182     65.9
-------------------------
2017.0     0.461    309.1
2018.0     0.724    354.2
2019.0     1.012     13.4
2020.0     1.219     24.9
2021.0     1.341     33.5
2022.0     1.387     41.1
2023.0     1.368     48.6
2024.0     1.296     56.6
2025.0     1.182     65.9
2026.0     1.041     77.4
2027.0     0.892     92.8
2028.0     0.769    113.8
2029.0     0.711    140.4
2030.0     0.729    168.3
2031.0     0.756    193.9
2032.0     0.667    221.1






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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