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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 19:28:33

Orbital Elements for BLM6
WDS: BLM6 WDS ID/Discoverer
P: 2.840 Orbital period (years)
a: 0.052 Semi-major axis (arcseconds)
i: 65.0 Inclination (degrees)
Ω: 118.0 Longitude of ascending node (degrees)
T: 1906.471 Epoch of periastron passage (year)
e: 0.25 Eccentricity
ω: 37.0 Longitude of periastron (degrees)
Start-Year: 2024.0 Year
End-Year: 2026.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for BLM6
Position: 214128.65-772324.1 Epoch-2000 right ascension and declination
WDS-ID: 21415-7723 WDS designation
Discoverer Code: BLM6 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 205478 HD catalog number
Hipparcos number: 107089 Hipparcos catalog number
V1: 3.73 Magnitude of the primary
V2: . Magnitude of the secondary
Equinox: Equinox
Date: 1938 Date of last observation
Orbit grade: 9 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for BLM6



WDS 6th Orbit including measures of BLM6

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


Ephemeris of BLM6
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.024     39.8
-------------------------
2024.0     0.062    302.4
2025.0     0.024     39.8






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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