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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:45:43

Orbital Elements for JNN67

WDS:	JNN67	WDS ID/Discoverer
P:	8.600	Orbital period (years)
a:	0.098	Semi-major axis (arcseconds)
i:	116.4	Inclination (degrees)
Ω:	16.6	Longitude of ascending node (degrees)
T:	2025.020	Epoch of periastron passage (year)
e:	0.61	Eccentricity
ω:	90.4	Longitude of periastron (degrees)
Start-Year:	2021.0	Year
End-Year:	2029.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN67

Position:	091643.98-244742.9	Epoch-2000 right ascension and declination
WDS-ID:	09167-2448	WDS designation
Discoverer Code:	JNN67	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:	13.1	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2019	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for JNN67

WDS 6th Orbit including measures of JNN67

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

Ephemeris of JNN67

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.017    295.4
-------------------------
2021.0     0.071     97.7
2022.0     0.077     71.2
2023.0     0.084     49.4
2024.0     0.078     28.8
2025.0     0.017    295.4
2026.0     0.076    185.0
2027.0     0.083    163.8
2028.0     0.076    141.6

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.