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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:11:13
WDS:
EPSAUR
WDS ID/Discoverer
P:
27.070
Orbital period (years)
a:
0.0224
Semi-major axis (arcseconds)
i:
87.0
Inclination (degrees)
Ω:
264.0
Longitude of ascending node (degrees)
T:
1950.249
Epoch of periastron passage (year)
e:
0.07
Eccentricity
ω:
0.0
Longitude of periastron (degrees)
Start-Year:
2012.0
Year
End-Year:
2038.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
050158.13+434923.9
Epoch-2000 right ascension and declination
WDS-ID:
05020+4349
WDS designation
Discoverer Code:
EPSAUR
Discover designation and components
ADS number:
3605
Aitken Double Star catalog
HD number:
31964
HD catalog number
Hipparcos number:
23416
Hipparcos catalog number
V1:
3.04
Magnitude of the primary
V2:
.
Magnitude of the secondary
Equinox:
Equinox
Date:
1991
Date of last observation
Orbit grade:
9
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
n
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.002 121.4
-------------------------
2012.0 0.007 75.3
2013.0 0.012 79.1
2014.0 0.016 80.9
2015.0 0.020 82.0
2016.0 0.022 82.8
2017.0 0.024 83.4
2018.0 0.024 84.0
2019.0 0.023 84.7
2020.0 0.022 85.3
2021.0 0.019 86.2
2022.0 0.016 87.3
2023.0 0.011 89.3
2024.0 0.007 93.7
2025.0 0.002 121.4
2026.0 0.004 246.8
2027.0 0.009 257.1
2028.0 0.013 260.2
2029.0 0.017 261.7
2030.0 0.019 262.8
2031.0 0.021 263.6
2032.0 0.021 264.4
2033.0 0.019 265.3
2034.0 0.017 266.4
2035.0 0.013 268.0
2036.0 0.008 271.3
2037.0 0.003 283.4
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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