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

Double Star Calculator - Orbit

- Revision: $Rev: 1216 $
- Report created: 2025-07-11 17:40:23

Orbital Elements for YSC3AA,AB
WDS: YSC3AA,AB WDS ID/Discoverer
P: 19.320 Orbital period (years)
a: 0.095 Semi-major axis (arcseconds)
i: 71.5 Inclination (degrees)
Ω: 112.5 Longitude of ascending node (degrees)
T: 2002.350 Epoch of periastron passage (year)
e: 0.0 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 2016.0 Year
End-Year: 2034.0 Year
Epoch: 2025.0 Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for YSC3AA,AB
Position: 083041.66+464458.5 Epoch-2000 right ascension and declination
WDS-ID: 08307+4645 WDS designation
Discoverer Code: YSC3AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.05 Magnitude of the primary
V2: 8.51 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 Date of last observation
Orbit grade: 3 Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags: Flags

Double Star Orbit for YSC3AA,AB



WDS 6th Orbit including measures of YSC3AA,AB

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


Ephemeris of YSC3AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.052    143.4
-------------------------
2016.0     0.039    341.1
2017.0     0.031     31.8
2018.0     0.045     73.8
2019.0     0.066     92.0
2020.0     0.083    101.7
2021.0     0.093    108.5
2022.0     0.095    114.5
2023.0     0.087    120.8
2024.0     0.072    129.2
2025.0     0.052    143.4
2026.0     0.033    175.2
2027.0     0.033    229.8
2028.0     0.052    261.6
2029.0     0.072    275.8
2030.0     0.087    284.2
2031.0     0.095    290.5
2032.0     0.093    296.5
2033.0     0.083    303.3






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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