Double Star Calculator - Orbit

Orbital Elements for JNN139

WDS:	JNN139	WDS ID/Discoverer
P:	11.000	Orbital period (years)
a:	0.168	Semi-major axis (arcseconds)
i:	115.9	Inclination (degrees)
Ω:	156.0	Longitude of ascending node (degrees)
T:	2023.730	Epoch of periastron passage (year)
e:	0.546	Eccentricity
ω:	282.7	Longitude of periastron (degrees)
Start-Year:	2019.5	Year
End-Year:	2030.5	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN139
Position:	232617.07+275203.4	Epoch-2000 right ascension and declination
WDS-ID:	23263+2752	WDS designation
Discoverer Code:	JNN139	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	12.7	Magnitude of the primary
V2:	13.2	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	3	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Jnn2022	Reference

Double Star Orbit for JNN139

WDS 6th Orbit including measures of JNN139

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

Legend:

Green plus signs:	Visual (micrometric) measures
Violet asterisks:	Photographic measures
Blue symbols:	Various interferometric techniques
Dot-dash line:	Indicates the line of nodes

Ephemeris of JNN139

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.119   110.49
--------------------------
2019.50    0.151    15.81
2019.60    0.153    14.34
2019.70    0.155    12.91
2019.80    0.157    11.51
2019.90    0.158    10.15
2020.00    0.160     8.82
2020.10    0.162     7.51
2020.20    0.163     6.23
2020.30    0.165     4.97
2020.40    0.166     3.73
2020.50    0.167     2.51
2020.60    0.168     1.30
2020.70    0.169     0.11
2020.80    0.169   358.92
2020.90    0.170   357.75
2021.00    0.170   356.58
2021.10    0.170   355.41
2021.20    0.170   354.24
2021.30    0.169   353.06
2021.40    0.169   351.88
2021.50    0.168   350.69
2021.60    0.166   349.48
2021.70    0.165   348.25
2021.80    0.163   346.99
2021.90    0.160   345.70
2022.00    0.158   344.36
2022.10    0.154   342.97
2022.20    0.151   341.52
2022.30    0.146   339.99
2022.40    0.141   338.36
2022.50    0.136   336.60
2022.60    0.130   334.69
2022.70    0.123   332.57
2022.80    0.115   330.17
2022.90    0.106   327.41
2023.00    0.097   324.13
2023.10    0.086   320.08
2023.20    0.075   314.85
2023.30    0.063   307.71
2023.40    0.051   297.23
2023.50    0.041   280.88
2023.60    0.034   256.02
2023.70    0.035   226.67
2023.80    0.042   203.26
2023.90    0.053   188.04
2024.00    0.064   178.09
2024.10    0.075   171.11
2024.20    0.085   165.83
2024.30    0.094   161.60
2024.40    0.101   158.04
2024.50    0.107   154.93
2024.60    0.113   152.14
2024.70    0.117   149.58
2024.80    0.120   147.18
2024.90    0.123   144.89
2025.00    0.125   142.70
2025.10    0.127   140.56
2025.20    0.128   138.47
2025.30    0.128   136.41
2025.40    0.129   134.36
2025.50    0.128   132.31
2025.60    0.128   130.26
2025.70    0.128   128.19
2025.80    0.127   126.10
2025.90    0.126   123.99
2026.00    0.125   121.84
2026.10    0.124   119.66
2026.20    0.123   117.44
2026.30    0.121   115.17
2026.40    0.120   112.86
2026.50    0.119   110.49
2026.60    0.118   108.08
2026.70    0.116   105.61
2026.80    0.115   103.09
2026.90    0.114   100.52
2027.00    0.113    97.91
2027.10    0.112    95.24
2027.20    0.111    92.54
2027.30    0.111    89.79
2027.40    0.110    87.01
2027.50    0.110    84.21
2027.60    0.109    81.38
2027.70    0.109    78.55
2027.80    0.109    75.70
2027.90    0.109    72.87
2028.00    0.110    70.04
2028.10    0.110    67.23
2028.20    0.111    64.45
2028.30    0.111    61.70
2028.40    0.112    59.00
2028.50    0.113    56.34
2028.60    0.114    53.73
2028.70    0.116    51.18
2028.80    0.117    48.69
2028.90    0.119    46.26
2029.00    0.120    43.90
2029.10    0.122    41.60
2029.20    0.124    39.37
2029.30    0.126    37.20
2029.40    0.128    35.10
2029.50    0.130    33.06
2029.60    0.132    31.09
2029.70    0.134    29.18
2029.80    0.136    27.32
2029.90    0.138    25.53
2030.00    0.140    23.78
2030.10    0.143    22.09
2030.20    0.145    20.45
2030.30    0.147    18.86
2030.40    0.149    17.31

Disclaimer

This result is provided without warranty. For all terms, see the Full Disclaimer. Copyright (C) 2025. Unless otherwise noted, all output generated by the Double Star Calculator including orbit diagrams, ephemerides, and analytical reports is licensed under CC BY 4.0.

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.

Report Information

Double Star Calculator:		Version 1.2 ($Rev: 2397 $)
Report created:		2026-06-25 18:50:50