Double Star Calculator - Orbit

Orbital Elements for JNN138

WDS:	JNN138	WDS ID/Discoverer
P:	20.000	Orbital period (years)
a:	0.29	Semi-major axis (arcseconds)
i:	126.0	Inclination (degrees)
Ω:	172.0	Longitude of ascending node (degrees)
T:	2019.130	Epoch of periastron passage (year)
e:	0.0	Eccentricity
ω:	298.0	Longitude of periastron (degrees)
Start-Year:	2015.0	Year
End-Year:	2035.0	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN138
Position:	232611.86+170007.9	Epoch-2000 right ascension and declination
WDS-ID:	23262+1700	WDS designation
Discoverer Code:	JNN138	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	14.0	Magnitude of the primary
V2:	15.9	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	5	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:		Flags
Ephemerides:		Ephemerides
Code:	Jnn2022	Reference

Double Star Orbit for JNN138

WDS 6th Orbit including measures of JNN138

-- 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 JNN138

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.187   112.84
--------------------------
2015.00    0.241   322.71
2015.10    0.237   321.15
2015.20    0.233   319.54
2015.30    0.230   317.88
2015.40    0.226   316.16
2015.50    0.222   314.39
2015.60    0.218   312.55
2015.70    0.215   310.65
2015.80    0.211   308.68
2015.90    0.207   306.65
2016.00    0.204   304.54
2016.10    0.200   302.36
2016.20    0.197   300.09
2016.30    0.193   297.76
2016.40    0.190   295.34
2016.50    0.187   292.84
2016.60    0.185   290.27
2016.70    0.182   287.62
2016.80    0.180   284.89
2016.90    0.177   282.10
2017.00    0.176   279.24
2017.10    0.174   276.33
2017.20    0.173   273.37
2017.30    0.172   270.37
2017.40    0.171   267.33
2017.50    0.171   264.28
2017.60    0.170   261.22
2017.70    0.171   258.16
2017.80    0.171   255.11
2017.90    0.172   252.10
2018.00    0.173   249.11
2018.10    0.175   246.17
2018.20    0.177   243.29
2018.30    0.179   240.46
2018.40    0.181   237.71
2018.50    0.183   235.02
2018.60    0.186   232.41
2018.70    0.189   229.87
2018.80    0.192   227.42
2018.90    0.195   225.04
2019.00    0.198   222.74
2019.10    0.202   220.52
2019.20    0.205   218.37
2019.30    0.209   216.30
2019.40    0.213   214.30
2019.50    0.216   212.37
2019.60    0.220   210.50
2019.70    0.224   208.70
2019.80    0.228   206.95
2019.90    0.231   205.27
2020.00    0.235   203.63
2020.10    0.239   202.05
2020.20    0.242   200.51
2020.30    0.246   199.02
2020.40    0.249   197.56
2020.50    0.253   196.15
2020.60    0.256   194.78
2020.70    0.259   193.43
2020.80    0.262   192.12
2020.90    0.265   190.84
2021.00    0.268   189.59
2021.10    0.270   188.36
2021.20    0.273   187.15
2021.30    0.275   185.97
2021.40    0.277   184.80
2021.50    0.279   183.66
2021.60    0.281   182.52
2021.70    0.283   181.41
2021.80    0.284   180.30
2021.90    0.286   179.21
2022.00    0.287   178.12
2022.10    0.288   177.04
2022.20    0.289   175.97
2022.30    0.289   174.91
2022.40    0.290   173.85
2022.50    0.290   172.79
2022.60    0.290   171.73
2022.70    0.290   170.67
2022.80    0.290   169.61
2022.90    0.289   168.55
2023.00    0.288   167.48
2023.10    0.287   166.41
2023.20    0.286   165.33
2023.30    0.285   164.24
2023.40    0.284   163.14
2023.50    0.282   162.02
2023.60    0.280   160.90
2023.70    0.278   159.76
2023.80    0.276   158.60
2023.90    0.274   157.43
2024.00    0.272   156.23
2024.10    0.269   155.01
2024.20    0.266   153.77
2024.30    0.264   152.51
2024.40    0.261   151.21
2024.50    0.257   149.88
2024.60    0.254   148.52
2024.70    0.251   147.13
2024.80    0.248   145.70
2024.90    0.244   144.23
2025.00    0.241   142.71
2025.10    0.237   141.15
2025.20    0.233   139.54
2025.30    0.230   137.88
2025.40    0.226   136.16
2025.50    0.222   134.39
2025.60    0.218   132.55
2025.70    0.215   130.65
2025.80    0.211   128.68
2025.90    0.207   126.65
2026.00    0.204   124.54
2026.10    0.200   122.36
2026.20    0.197   120.09
2026.30    0.193   117.76
2026.40    0.190   115.34
2026.50    0.187   112.84
2026.60    0.185   110.27
2026.70    0.182   107.62
2026.80    0.180   104.89
2026.90    0.177   102.10
2027.00    0.176    99.24
2027.10    0.174    96.33
2027.20    0.173    93.37
2027.30    0.172    90.37
2027.40    0.171    87.33
2027.50    0.171    84.28
2027.60    0.170    81.22
2027.70    0.171    78.16
2027.80    0.171    75.11
2027.90    0.172    72.10
2028.00    0.173    69.11
2028.10    0.175    66.17
2028.20    0.177    63.29
2028.30    0.179    60.46
2028.40    0.181    57.71
2028.50    0.183    55.02
2028.60    0.186    52.41
2028.70    0.189    49.87
2028.80    0.192    47.42
2028.90    0.195    45.04
2029.00    0.198    42.74
2029.10    0.202    40.52
2029.20    0.205    38.37
2029.30    0.209    36.30
2029.40    0.213    34.30
2029.50    0.216    32.37
2029.60    0.220    30.50
2029.70    0.224    28.70
2029.80    0.228    26.95
2029.90    0.231    25.27
2030.00    0.235    23.63
2030.10    0.239    22.05
2030.20    0.242    20.51
2030.30    0.246    19.02
2030.40    0.249    17.56
2030.50    0.253    16.15
2030.60    0.256    14.78
2030.70    0.259    13.43
2030.80    0.262    12.12
2030.90    0.265    10.84
2031.00    0.268     9.59
2031.10    0.270     8.36
2031.20    0.273     7.15
2031.30    0.275     5.97
2031.40    0.277     4.80
2031.50    0.279     3.66
2031.60    0.281     2.52
2031.70    0.283     1.41
2031.80    0.284     0.30
2031.90    0.286   359.21
2032.00    0.287   358.12
2032.10    0.288   357.04
2032.20    0.289   355.97
2032.30    0.289   354.91
2032.40    0.290   353.85
2032.50    0.290   352.79
2032.60    0.290   351.73
2032.70    0.290   350.67
2032.80    0.290   349.61
2032.90    0.289   348.55
2033.00    0.288   347.48
2033.10    0.287   346.41
2033.20    0.286   345.33
2033.30    0.285   344.24
2033.40    0.284   343.14
2033.50    0.282   342.02
2033.60    0.280   340.90
2033.70    0.278   339.76
2033.80    0.276   338.60
2033.90    0.274   337.43
2034.00    0.272   336.23
2034.10    0.269   335.01
2034.20    0.266   333.77
2034.30    0.264   332.51
2034.40    0.261   331.21
2034.50    0.257   329.88
2034.60    0.254   328.52
2034.70    0.251   327.13
2034.80    0.248   325.70
2034.90    0.244   324.23

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 18:50:44