Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 19:20:15
WDS:
STT535AB
WDS ID/Discoverer
P:
5.706
Orbital period (years)
a:
0.231965
Semi-major axis (arcseconds)
i:
99.4083
Inclination (degrees)
Ω:
23.362
Longitude of ascending node (degrees)
T:
2004.293
Epoch of periastron passage (year)
e:
0.436851
Eccentricity
ω:
187.735
Longitude of periastron (degrees)
Start-Year:
2023.0
Year
End-Year:
2027.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
211428.81+100025.1
Epoch-2000 right ascension and declination
WDS-ID:
21145+1000
WDS designation
Discoverer Code:
STT535AB
Discover designation and components
ADS number:
14773
Aitken Double Star catalog
HD number:
202275
HD catalog number
Hipparcos number:
104858
Hipparcos catalog number
V1:
5.19
Magnitude of the primary
V2:
5.52
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2007
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 0.279 18.3
-------------------------
2023.0 0.246 28.9
2024.0 0.331 23.3
2025.0 0.279 18.3
2026.0 0.101 2.2
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 .
www.stella-vega.de