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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:12:01
WDS:
CHR94AA,AB
WDS ID/Discoverer
P:
25.330
Orbital period (years)
a:
0.111
Semi-major axis (arcseconds)
i:
71.5
Inclination (degrees)
Ω:
97.5
Longitude of ascending node (degrees)
T:
2009.560
Epoch of periastron passage (year)
e:
0.4
Eccentricity
ω:
293.8
Longitude of periastron (degrees)
Start-Year:
2013.0
Year
End-Year:
2037.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
201546.16+274851.2
Epoch-2000 right ascension and declination
WDS-ID:
20158+2749
WDS designation
Discoverer Code:
CHR94AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
192806
HD catalog number
Hipparcos number:
99874
Hipparcos catalog number
V1:
4.80
Magnitude of the primary
V2:
6.5
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2006
Date of last observation
Orbit grade:
4
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 0.108 258.5
-------------------------
2013.0 0.086 107.1
2014.0 0.082 114.3
2015.0 0.073 122.8
2016.0 0.063 133.9
2017.0 0.054 149.1
2018.0 0.047 169.5
2019.0 0.047 192.7
2020.0 0.053 213.5
2021.0 0.063 228.9
2022.0 0.075 239.8
2023.0 0.087 247.7
2024.0 0.098 253.7
2025.0 0.108 258.5
2026.0 0.115 262.6
2027.0 0.120 266.3
2028.0 0.122 269.7
2029.0 0.120 273.1
2030.0 0.113 276.9
2031.0 0.100 281.4
2032.0 0.079 287.7
2033.0 0.051 300.1
2034.0 0.024 345.0
2035.0 0.036 66.4
2036.0 0.064 88.0
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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