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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 18:25:01
WDS:
CHR42AA,AB
WDS ID/Discoverer
P:
21.540
Orbital period (years)
a:
0.143
Semi-major axis (arcseconds)
i:
53.7
Inclination (degrees)
Ω:
312.4
Longitude of ascending node (degrees)
T:
1994.640
Epoch of periastron passage (year)
e:
0.844
Eccentricity
ω:
41.9
Longitude of periastron (degrees)
Start-Year:
2015.0
Year
End-Year:
2035.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
143728.49+021638.7
Epoch-2000 right ascension and declination
WDS-ID:
14375+0217
WDS designation
Discoverer Code:
CHR42AA,AB
Discover designation and components
ADS number:
9323
Aitken Double Star catalog
HD number:
128563
HD catalog number
Hipparcos number:
71510
Hipparcos catalog number
V1:
6.6
Magnitude of the primary
V2:
8.5
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2014
Date of last observation
Orbit grade:
3
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 0.226 156.2
-------------------------
2015.0 0.052 227.4
2016.0 0.027 303.7
2017.0 0.065 120.1
2018.0 0.117 133.7
2019.0 0.152 139.7
2020.0 0.177 143.7
2021.0 0.195 146.8
2022.0 0.209 149.5
2023.0 0.218 151.8
2024.0 0.224 154.1
2025.0 0.226 156.2
2026.0 0.225 158.3
2027.0 0.222 160.5
2028.0 0.216 162.7
2029.0 0.207 165.2
2030.0 0.196 167.8
2031.0 0.182 170.9
2032.0 0.165 174.5
2033.0 0.145 179.0
2034.0 0.123 185.1
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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