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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:41:52
WDS:
HDS2395
WDS ID/Discoverer
P:
26.220
Orbital period (years)
a:
0.13
Semi-major axis (arcseconds)
i:
133.2
Inclination (degrees)
Ω:
157.5
Longitude of ascending node (degrees)
T:
2020.522
Epoch of periastron passage (year)
e:
0.854
Eccentricity
ω:
2.3
Longitude of periastron (degrees)
Start-Year:
2012.0
Year
End-Year:
2038.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
165639.14+153834.1
Epoch-2000 right ascension and declination
WDS-ID:
16567+1539
WDS designation
Discoverer Code:
HDS2395
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
153063
HD catalog number
Hipparcos number:
82915
Hipparcos catalog number
V1:
7.90
Magnitude of the primary
V2:
10.08
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2022
Date of last observation
Orbit grade:
4
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 0.159 352.0
-------------------------
2012.0 0.218 328.9
2013.0 0.207 327.1
2014.0 0.193 325.1
2015.0 0.177 322.6
2016.0 0.157 319.7
2017.0 0.133 315.8
2018.0 0.105 309.9
2019.0 0.070 298.7
2020.0 0.027 255.8
2021.0 0.026 57.7
2022.0 0.070 12.6
2023.0 0.106 1.6
2024.0 0.135 355.9
2025.0 0.159 352.0
2026.0 0.179 349.1
2027.0 0.195 346.8
2028.0 0.209 344.7
2029.0 0.219 342.9
2030.0 0.228 341.3
2031.0 0.234 339.7
2032.0 0.239 338.3
2033.0 0.241 336.8
2034.0 0.241 335.4
2035.0 0.239 334.0
2036.0 0.235 332.5
2037.0 0.229 331.0
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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