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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:36:56
WDS:
HDO301
WDS ID/Discoverer
P:
26.460
Orbital period (years)
a:
0.184
Semi-major axis (arcseconds)
i:
162.9
Inclination (degrees)
Ω:
194.6
Longitude of ascending node (degrees)
T:
2015.070
Epoch of periastron passage (year)
e:
0.516
Eccentricity
ω:
255.8
Longitude of periastron (degrees)
Start-Year:
2012.0
Year
End-Year:
2038.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
224959.25-324819.4
Epoch-2000 right ascension and declination
WDS-ID:
22500-3248
WDS designation
Discoverer Code:
HDO301
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
216042
HD catalog number
Hipparcos number:
112746
Hipparcos catalog number
V1:
7.23
Magnitude of the primary
V2:
7.12
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
Date of last observation
Orbit grade:
2
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 0.258 137.2
-------------------------
2012.0 0.149 39.4
2013.0 0.124 19.2
2014.0 0.100 348.7
2015.0 0.086 303.0
2016.0 0.095 254.4
2017.0 0.120 220.8
2018.0 0.147 199.4
2019.0 0.172 184.6
2020.0 0.193 173.3
2021.0 0.212 164.1
2022.0 0.227 156.3
2023.0 0.240 149.4
2024.0 0.250 143.1
2025.0 0.258 137.2
2026.0 0.263 131.7
2027.0 0.266 126.3
2028.0 0.267 121.0
2029.0 0.266 115.7
2030.0 0.264 110.4
2031.0 0.258 104.8
2032.0 0.251 99.0
2033.0 0.242 92.8
2034.0 0.231 86.1
2035.0 0.217 78.6
2036.0 0.201 69.9
2037.0 0.182 59.6
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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