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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 18:41:23

Orbital Elements for YSC156
WDS: YSC156 WDS ID/Discoverer
P: 23.360 Orbital period (years)
a: 0.089 Semi-major axis (arcseconds)
i: 10.0 Inclination (degrees)
Ω: 81.6 Longitude of ascending node (degrees)
T: 2023.930 Epoch of periastron passage (year)
e: 0.5 Eccentricity
ω: 100.0 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 YSC156
Position: 165333.98-104512.2 Epoch-2000 right ascension and declination
WDS-ID: 16536-1045 WDS designation
Discoverer Code: YSC156 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 152393 HD catalog number
Hipparcos number: 82642 Hipparcos catalog number
V1: 9.6 Magnitude of the primary
V2: 10.0 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2020 Date of last observation
Orbit grade: 4 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for YSC156



WDS 6th Orbit including measures of YSC156

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


Ephemeris of YSC156
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.051    233.9
-------------------------
2014.0     0.130     12.4
2015.0     0.127     18.7
2016.0     0.122     25.5
2017.0     0.116     32.8
2018.0     0.108     41.1
2019.0     0.099     50.7
2020.0     0.088     62.6
2021.0     0.076     78.1
2022.0     0.062    100.4
2023.0     0.049    135.1
2024.0     0.044    185.5
2025.0     0.051    233.9
2026.0     0.064    266.2
2027.0     0.077    287.3
2028.0     0.089    302.3
2029.0     0.100    313.9
2030.0     0.109    323.4
2031.0     0.116    331.6
2032.0     0.122    338.9
2033.0     0.127    345.6
2034.0     0.130    352.0
2035.0     0.131    358.1






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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