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Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 16:21:55
WDS:
BU395
WDS ID/Discoverer
P:
25.020
Orbital period (years)
a:
0.675
Semi-major axis (arcseconds)
i:
78.6
Inclination (degrees)
Ω:
291.98
Longitude of ascending node (degrees)
T:
1998.780
Epoch of periastron passage (year)
e:
0.218
Eccentricity
ω:
318.1
Longitude of periastron (degrees)
Start-Year:
2013.0
Year
End-Year:
2037.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
003720.68-244602.1
Epoch-2000 right ascension and declination
WDS-ID:
00373-2446
WDS designation
Discoverer Code:
BU395
Discover designation and components
ADS number:
520
Aitken Double Star catalog
HD number:
3443
HD catalog number
Hipparcos number:
2941
Hipparcos catalog number
V1:
6.60
Magnitude of the primary
V2:
6.20
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2009
Date of last observation
Orbit grade:
1
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 0.522 289.0
-------------------------
2013.0 0.737 106.6
2014.0 0.771 108.8
2015.0 0.776 110.9
2016.0 0.751 113.0
2017.0 0.694 115.4
2018.0 0.602 118.4
2019.0 0.478 122.8
2020.0 0.326 130.8
2021.0 0.165 154.6
2022.0 0.132 237.3
2023.0 0.280 273.0
2024.0 0.425 283.4
2025.0 0.522 289.0
2026.0 0.558 293.3
2027.0 0.537 297.4
2028.0 0.470 302.4
2029.0 0.371 309.6
2030.0 0.258 322.7
2031.0 0.164 353.8
2032.0 0.166 47.0
2033.0 0.263 77.2
2034.0 0.380 89.9
2035.0 0.494 96.6
2036.0 0.594 100.9
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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