Content-Type: text/html; charset=UTF-8 Double Star Calculator - Orbital Elements

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 16:21:15

Orbital Elements for JNN12AC

WDS:	JNN12AC	WDS ID/Discoverer
P:	15.000	Orbital period (years)
a:	0.226	Semi-major axis (arcseconds)
i:	90.0	Inclination (degrees)
Ω:	17.7	Longitude of ascending node (degrees)
T:	2012.836	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	0.0	Longitude of periastron (degrees)
Start-Year:	2018.0	Year
End-Year:	2032.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN12AC

Position:	003253.13-043406.9	Epoch-2000 right ascension and declination
WDS-ID:	00329-0434	WDS designation
Discoverer Code:	JNN12AC	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.1	Magnitude of the primary
V2:	.	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2022	Date of last observation
Orbit grade:	4	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:		Flags

Double Star Orbit for JNN12AC

WDS 6th Orbit including measures of JNN12AC

Image from the USNO WDS 6th Orbit Catalog (see Acknowledgements)

Ephemeris of JNN12AC

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.084     17.7
-------------------------
2018.0     0.126    197.7
2019.0     0.192    197.7
2020.0     0.224    197.7
2021.0     0.217    197.7
2022.0     0.173    197.7
2023.0     0.099    197.7
2024.0     0.008    197.7
2025.0     0.084     17.7
2026.0     0.162     17.7
2027.0     0.212     17.7
2028.0     0.225     17.7
2029.0     0.200     17.7
2030.0     0.139     17.7
2031.0     0.055     17.7

Disclaimer

Acknowledgements

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.