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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 17:24:26

Orbital Elements for JNN50BA,BB

WDS:	JNN50BA,BB	WDS ID/Discoverer
P:	13.200	Orbital period (years)
a:	0.275	Semi-major axis (arcseconds)
i:	116.7	Inclination (degrees)
Ω:	25.1	Longitude of ascending node (degrees)
T:	2020.470	Epoch of periastron passage (year)
e:	0.65	Eccentricity
ω:	292.8	Longitude of periastron (degrees)
Start-Year:	2019.0	Year
End-Year:	2031.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN50BA,BB

Position:	061345.40-235207.4	Epoch-2000 right ascension and declination
WDS-ID:	06138-2352	WDS designation
Discoverer Code:	JNN50BA,BB	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	43162	HD catalog number
Hipparcos number:	29568	Hipparcos catalog number
V1:	12.6	Magnitude of the primary
V2:	14.0	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2020	Date of last observation
Orbit grade:	3	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for JNN50BA,BB

WDS 6th Orbit including measures of JNN50BA,BB

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

Ephemeris of JNN50BA,BB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.194    281.4
-------------------------
2019.0     0.231    208.0
2020.0     0.095    179.4
2021.0     0.131     23.1
2022.0     0.165    353.6
2023.0     0.165    327.9
2024.0     0.172    302.7
2025.0     0.194    281.4
2026.0     0.224    265.1
2027.0     0.255    252.8
2028.0     0.283    243.1
2029.0     0.303    234.9
2030.0     0.309    227.4

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.