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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:19:26
WDS:
HDS3013AA,AB
WDS ID/Discoverer
P:
25.040
Orbital period (years)
a:
0.31789999999999996
Semi-major axis (arcseconds)
i:
132.8
Inclination (degrees)
Ω:
154.7
Longitude of ascending node (degrees)
T:
1994.310
Epoch of periastron passage (year)
e:
0.549
Eccentricity
ω:
99.2
Longitude of periastron (degrees)
Start-Year:
2013.0
Year
End-Year:
2037.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
210845.51-042536.7
Epoch-2000 right ascension and declination
WDS-ID:
21088-0426
WDS designation
Discoverer Code:
HDS3013AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
104383
Hipparcos catalog number
V1:
9.64
Magnitude of the primary
V2:
12.14
Magnitude of the secondary
Equinox:
Equinox
Date:
2020
Date of last observation
Orbit grade:
2
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 0.297 287.0
-------------------------
2013.0 0.343 189.3
2014.0 0.331 182.0
2015.0 0.311 174.0
2016.0 0.280 164.6
2017.0 0.234 152.2
2018.0 0.168 131.6
2019.0 0.102 80.9
2020.0 0.132 8.2
2021.0 0.198 337.2
2022.0 0.241 320.2
2023.0 0.268 307.5
2024.0 0.285 296.7
2025.0 0.297 287.0
2026.0 0.305 277.9
2027.0 0.312 269.2
2028.0 0.318 260.9
2029.0 0.323 252.8
2030.0 0.329 245.1
2031.0 0.335 237.6
2032.0 0.340 230.4
2033.0 0.345 223.3
2034.0 0.349 216.5
2035.0 0.352 209.8
2036.0 0.352 203.1
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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