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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:07:12
WDS:
YSC210
WDS ID/Discoverer
P:
17.730
Orbital period (years)
a:
0.163
Semi-major axis (arcseconds)
i:
117.9
Inclination (degrees)
Ω:
27.4
Longitude of ascending node (degrees)
T:
2008.880
Epoch of periastron passage (year)
e:
0.177
Eccentricity
ω:
314.1
Longitude of periastron (degrees)
Start-Year:
2017.0
Year
End-Year:
2033.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
114334.15-140112.0
Epoch-2000 right ascension and declination
WDS-ID:
11436-1401
WDS designation
Discoverer Code:
YSC210
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
101896
HD catalog number
Hipparcos number:
57181
Hipparcos catalog number
V1:
9.0
Magnitude of the primary
V2:
9.0
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2023
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.066 121.5
-------------------------
2017.0 0.129 242.8
2018.0 0.154 230.4
2019.0 0.173 221.2
2020.0 0.182 213.4
2021.0 0.178 205.8
2022.0 0.161 197.3
2023.0 0.131 185.6
2024.0 0.092 165.1
2025.0 0.066 121.5
2026.0 0.082 71.0
2027.0 0.117 45.2
2028.0 0.138 30.2
2029.0 0.140 17.7
2030.0 0.126 3.8
2031.0 0.103 344.6
2032.0 0.086 315.9
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 .
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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