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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:36:09
WDS:
HO296AB
WDS ID/Discoverer
P:
20.829
Orbital period (years)
a:
0.28798
Semi-major axis (arcseconds)
i:
139.861
Inclination (degrees)
Ω:
251.54
Longitude of ascending node (degrees)
T:
1983.539
Epoch of periastron passage (year)
e:
0.73499
Eccentricity
ω:
22.31
Longitude of periastron (degrees)
Start-Year:
2015.0
Year
End-Year:
2035.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
224052.71+143257.5
Epoch-2000 right ascension and declination
WDS-ID:
22409+1433
WDS designation
Discoverer Code:
HO296AB
Discover designation and components
ADS number:
16173
Aitken Double Star catalog
HD number:
214850
HD catalog number
Hipparcos number:
111974
Hipparcos catalog number
V1:
6.14
Magnitude of the primary
V2:
7.22
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2008
Date of last observation
Orbit grade:
1
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 0.081 258.6
-------------------------
2015.0 0.483 53.4
2016.0 0.473 50.2
2017.0 0.456 46.8
2018.0 0.432 43.0
2019.0 0.401 38.7
2020.0 0.362 33.6
2021.0 0.315 27.1
2022.0 0.260 18.1
2023.0 0.196 3.6
2024.0 0.129 334.1
2025.0 0.081 258.6
2026.0 0.105 134.3
2027.0 0.203 99.8
2028.0 0.283 87.1
2029.0 0.345 79.5
2030.0 0.392 74.1
2031.0 0.429 69.7
2032.0 0.455 65.9
2033.0 0.473 62.4
2034.0 0.484 59.2
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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