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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:55:24
WDS:
RUC7
WDS ID/Discoverer
P:
19.590
Orbital period (years)
a:
0.055600000000000004
Semi-major axis (arcseconds)
i:
94.4
Inclination (degrees)
Ω:
356.0
Longitude of ascending node (degrees)
T:
1955.636
Epoch of periastron passage (year)
e:
0.12
Eccentricity
ω:
247.3
Longitude of periastron (degrees)
Start-Year:
2016.0
Year
End-Year:
2034.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
100140.39+172433.2
Epoch-2000 right ascension and declination
WDS-ID:
10017+1725
WDS designation
Discoverer Code:
RUC7
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
49136
Hipparcos catalog number
V1:
9.45
Magnitude of the primary
V2:
.
Magnitude of the secondary
Equinox:
Equinox
Date:
2002
Date of last observation
Orbit grade:
9
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 0.013 334.6
-------------------------
2016.0 0.013 12.8
2017.0 0.031 2.0
2018.0 0.045 358.9
2019.0 0.054 357.1
2020.0 0.058 355.8
2021.0 0.056 354.5
2022.0 0.050 352.9
2023.0 0.040 350.8
2024.0 0.027 346.9
2025.0 0.013 334.6
2026.0 0.006 225.8
2027.0 0.020 188.6
2028.0 0.034 182.3
2029.0 0.045 179.4
2030.0 0.051 177.6
2031.0 0.052 176.0
2032.0 0.047 174.3
2033.0 0.036 171.8
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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