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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:29:58
WDS:
FIN374
WDS ID/Discoverer
P:
28.970
Orbital period (years)
a:
0.089
Semi-major axis (arcseconds)
i:
97.6
Inclination (degrees)
Ω:
132.2
Longitude of ascending node (degrees)
T:
2005.200
Epoch of periastron passage (year)
e:
0.8
Eccentricity
ω:
26.0
Longitude of periastron (degrees)
Start-Year:
2011.0
Year
End-Year:
2039.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
215318.97-465000.8
Epoch-2000 right ascension and declination
WDS-ID:
21533-4650
WDS designation
Discoverer Code:
FIN374
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
207852
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
8.2
Magnitude of the primary
V2:
8.2
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2019
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 0.113 306.1
-------------------------
2011.0 0.118 312.0
2012.0 0.127 311.5
2013.0 0.134 311.0
2014.0 0.140 310.6
2015.0 0.144 310.2
2016.0 0.146 309.8
2017.0 0.147 309.5
2018.0 0.147 309.1
2019.0 0.146 308.8
2020.0 0.143 308.4
2021.0 0.140 308.0
2022.0 0.135 307.6
2023.0 0.129 307.1
2024.0 0.122 306.6
2025.0 0.113 306.1
2026.0 0.104 305.4
2027.0 0.093 304.6
2028.0 0.081 303.6
2029.0 0.067 302.1
2030.0 0.052 299.9
2031.0 0.035 295.7
2032.0 0.017 282.6
2033.0 0.008 175.4
2034.0 0.019 132.8
2035.0 0.018 325.0
2036.0 0.050 316.6
2037.0 0.074 314.5
2038.0 0.092 313.4
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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