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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:23:08

Orbital Elements for TOK9CE
WDS: TOK9CE WDS ID/Discoverer
P: 23.380 Orbital period (years)
a: 0.433 Semi-major axis (arcseconds)
i: 98.4 Inclination (degrees)
Ω: 146.8 Longitude of ascending node (degrees)
T: 2015.440 Epoch of periastron passage (year)
e: 0.216 Eccentricity
ω: 178.6 Longitude of periastron (degrees)
Start-Year: 2014.0 Year
End-Year: 2036.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for TOK9CE
Position: 060019.69-310154.0 Epoch-2000 right ascension and declination
WDS-ID: 06003-3102 WDS designation
Discoverer Code: TOK9CE Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 40887 HD catalog number
Hipparcos number: 28442 Hipparcos catalog number
V1: 8.67 Magnitude of the primary
V2: 13.13 Magnitude of the secondary
Equinox: Equinox
Date: Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: n Flags

Double Star Orbit for TOK9CE



WDS 6th Orbit including measures of TOK9CE

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


Ephemeris of TOK9CE
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.475    150.4
-------------------------
2014.0     0.286    332.8
2015.0     0.333    328.6
2016.0     0.334    325.0
2017.0     0.287    320.8
2018.0     0.205    313.9
2019.0     0.107    295.1
2020.0     0.067    213.3
2021.0     0.155    170.2
2022.0     0.256    159.9
2023.0     0.346    155.3
2024.0     0.419    152.5
2025.0     0.475    150.4
2026.0     0.511    148.7
2027.0     0.526    147.2
2028.0     0.520    145.7
2029.0     0.494    144.1
2030.0     0.448    142.3
2031.0     0.382    139.9
2032.0     0.298    136.3
2033.0     0.201    129.5
2034.0     0.099    108.6
2035.0     0.072     21.5






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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