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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:27:07

Orbital Elements for JNN271

WDS:	JNN271	WDS ID/Discoverer
P:	10.400	Orbital period (years)
a:	0.186	Semi-major axis (arcseconds)
i:	88.2	Inclination (degrees)
Ω:	171.5	Longitude of ascending node (degrees)
T:	2022.024	Epoch of periastron passage (year)
e:	0.217	Eccentricity
ω:	341.2	Longitude of periastron (degrees)
Start-Year:	2020.0	Year
End-Year:	2030.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN271

Position:	063529.86-040318.4	Epoch-2000 right ascension and declination
WDS-ID:	06354-0403	WDS designation
Discoverer Code:	JNN271	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.59	Magnitude of the primary
V2:	17.	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:	n	Flags

Double Star Orbit for JNN271

WDS 6th Orbit including measures of JNN271

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

Ephemeris of JNN271

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.058    345.4
-------------------------
2020.0     0.073    355.6
2021.0     0.048    165.9
2022.0     0.137    170.8
2023.0     0.132    172.6
2024.0     0.048    177.9
2025.0     0.058    345.4
2026.0     0.148    349.5
2027.0     0.207    350.7
2028.0     0.223    351.5
2029.0     0.193    352.3

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.