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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:18:46
WDS:
HDS36AA,AB
WDS ID/Discoverer
P:
28.830
Orbital period (years)
a:
0.144
Semi-major axis (arcseconds)
i:
137.5
Inclination (degrees)
Ω:
61.1
Longitude of ascending node (degrees)
T:
2000.280
Epoch of periastron passage (year)
e:
0.674
Eccentricity
ω:
38.9
Longitude of periastron (degrees)
Start-Year:
2011.0
Year
End-Year:
2039.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
001623.45-223516.5
Epoch-2000 right ascension and declination
WDS-ID:
00164-2235
WDS designation
Discoverer Code:
HDS36AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
1205
HD catalog number
Hipparcos number:
1306
Hipparcos catalog number
V1:
8.24
Magnitude of the primary
V2:
9.96
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2022
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 0.106 155.7
-------------------------
2011.0 0.219 221.0
2012.0 0.221 218.1
2013.0 0.222 215.3
2014.0 0.220 212.4
2015.0 0.217 209.4
2016.0 0.212 206.4
2017.0 0.206 203.2
2018.0 0.198 199.7
2019.0 0.189 196.0
2020.0 0.178 191.8
2021.0 0.166 187.1
2022.0 0.153 181.5
2023.0 0.138 174.9
2024.0 0.123 166.6
2025.0 0.106 155.7
2026.0 0.090 141.0
2027.0 0.075 119.9
2028.0 0.061 89.1
2029.0 0.045 38.6
2030.0 0.046 313.4
2031.0 0.080 274.0
2032.0 0.112 258.2
2033.0 0.138 249.2
2034.0 0.159 242.8
2035.0 0.177 237.8
2036.0 0.191 233.6
2037.0 0.202 230.0
2038.0 0.210 226.6
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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