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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:12:31
WDS:
I1416
WDS ID/Discoverer
P:
20.290
Orbital period (years)
a:
0.167
Semi-major axis (arcseconds)
i:
112.9
Inclination (degrees)
Ω:
140.0
Longitude of ascending node (degrees)
T:
2000.310
Epoch of periastron passage (year)
e:
0.887
Eccentricity
ω:
38.5
Longitude of periastron (degrees)
Start-Year:
2015.0
Year
End-Year:
2035.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
202014.47-343506.6
Epoch-2000 right ascension and declination
WDS-ID:
20202-3435
WDS designation
Discoverer Code:
I1416
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
193194
HD catalog number
Hipparcos number:
100266
Hipparcos catalog number
V1:
7.09
Magnitude of the primary
V2:
8.19
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2021
Date of last observation
Orbit grade:
2
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 0.228 310.7
-------------------------
2015.0 0.193 295.1
2016.0 0.168 292.4
2017.0 0.139 288.6
2018.0 0.105 282.5
2019.0 0.066 269.8
2020.0 0.028 217.4
2021.0 0.046 332.9
2022.0 0.125 319.1
2023.0 0.172 315.1
2024.0 0.205 312.6
2025.0 0.228 310.7
2026.0 0.245 309.1
2027.0 0.256 307.7
2028.0 0.262 306.3
2029.0 0.264 305.1
2030.0 0.262 303.8
2031.0 0.256 302.5
2032.0 0.247 301.1
2033.0 0.235 299.5
2034.0 0.219 297.8
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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