Content-Type: text/html; charset=UTF-8
Double Star Calculator - Orbital Elements
- Revision:
$Rev: 1216 $
- Report created:
2025-07-11 17:33:43
WDS:
JNN57AA,AB
WDS ID/Discoverer
P:
18.400
Orbital period (years)
a:
0.158
Semi-major axis (arcseconds)
i:
113.3
Inclination (degrees)
Ω:
244.1
Longitude of ascending node (degrees)
T:
2016.840
Epoch of periastron passage (year)
e:
0.568
Eccentricity
ω:
132.9
Longitude of periastron (degrees)
Start-Year:
2016.0
Year
End-Year:
2034.0
Year
Epoch:
2025.0
Besselian Epoch
Position:
072931.08+355600.2
Epoch-2000 right ascension and declination
WDS-ID:
07295+3556
WDS designation
Discoverer Code:
JNN57AA,AB
Discover designation and components
ADS number:
.
Aitken Double Star catalog
HD number:
.
HD catalog number
Hipparcos number:
.
Hipparcos catalog number
V1:
12.2
Magnitude of the primary
V2:
13.4
Magnitude of the secondary
Equinox:
2000
Equinox
Date:
2018
Date of last observation
Orbit grade:
3
Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:
Flags
Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)
Click to expand/collapse ephemeris:
Year Sep[“] PA[°]
---------------------------------------------
2025.0 0.164 272.6
-------------------------
2016.0 0.042 195.7
2017.0 0.060 78.7
2018.0 0.084 50.7
2019.0 0.077 26.7
2020.0 0.069 356.0
2021.0 0.076 324.9
2022.0 0.095 302.8
2023.0 0.119 288.7
2024.0 0.143 279.4
2025.0 0.164 272.6
2026.0 0.183 267.3
2027.0 0.197 262.9
2028.0 0.206 259.0
2029.0 0.208 255.3
2030.0 0.204 251.6
2031.0 0.191 247.6
2032.0 0.167 242.6
2033.0 0.127 235.3
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