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

Double Star Calculator - Orbit

- Revision:		$Rev: 1216 $
- Report created:		2025-07-11 19:12:07

Orbital Elements for JNN125

WDS:	JNN125	WDS ID/Discoverer
P:	41.000	Orbital period (years)
a:	0.27	Semi-major axis (arcseconds)
i:	121.0	Inclination (degrees)
Ω:	167.0	Longitude of ascending node (degrees)
T:	2007.170	Epoch of periastron passage (year)
e:	0.6	Eccentricity
ω:	108.0	Longitude of periastron (degrees)
Start-Year:	2005.0	Year
End-Year:	2045.0	Year
Epoch:	2025.0	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN125

Position:	201633.83-071145.7	Epoch-2000 right ascension and declination
WDS-ID:	20166-0712	WDS designation
Discoverer Code:	JNN125	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	12.0	Magnitude of the primary
V2:	12.6	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2018	Date of last observation
Orbit grade:	5	Orbit grade, ranging from 1 'definitive' to 5 'indeterminate'
Flags:	n	Flags

Double Star Orbit for JNN125

WDS 6th Orbit including measures of JNN125

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

Ephemeris of JNN125

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2025.0     0.230    237.0
-------------------------
2005.0     0.133    148.6
2006.0     0.081    124.2
2007.0     0.058     57.1
2008.0     0.099      8.4
2009.0     0.139    349.7
2010.0     0.165    338.4
2011.0     0.180    329.5
2012.0     0.188    321.7
2013.0     0.191    314.4
2014.0     0.193    307.3
2015.0     0.194    300.2
2016.0     0.194    293.2
2017.0     0.195    286.3
2018.0     0.196    279.4
2019.0     0.198    272.6
2020.0     0.201    265.9
2021.0     0.205    259.6
2022.0     0.210    253.4
2023.0     0.216    247.6
2024.0     0.223    242.2
2025.0     0.230    237.0
2026.0     0.237    232.2
2027.0     0.245    227.6
2028.0     0.253    223.4
2029.0     0.260    219.4
2030.0     0.268    215.6
2031.0     0.274    212.0
2032.0     0.281    208.6
2033.0     0.286    205.3
2034.0     0.290    202.1
2035.0     0.293    199.0
2036.0     0.295    196.0
2037.0     0.295    192.9
2038.0     0.293    189.9
2039.0     0.289    186.8
2040.0     0.282    183.6
2041.0     0.271    180.1
2042.0     0.257    176.3
2043.0     0.237    172.0
2044.0     0.211    166.8

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.