Double Star Calculator - Orbit

Orbital Elements for JNN66

WDS:	JNN66	WDS ID/Discoverer
P:	10.200	Orbital period (years)
a:	0.309	Semi-major axis (arcseconds)
i:	79.5	Inclination (degrees)
Ω:	106.6	Longitude of ascending node (degrees)
T:	2024.510	Epoch of periastron passage (year)
e:	0.9	Eccentricity
ω:	271.07	Longitude of periastron (degrees)
Start-Year:	2019.9	Year
End-Year:	2030.1	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JNN66
Position:	090758.23+215410.9	Epoch-2000 right ascension and declination
WDS-ID:	09080+2154	WDS designation
Discoverer Code:	JNN66	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	13.4	Magnitude of the primary
V2:	14.5	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2016	Date of last observation
Orbit grade:	4	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 JNN66

WDS 6th Orbit including measures of JNN66

-- 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 JNN66

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.136   140.61
--------------------------
2019.90    0.111   213.49
2020.00    0.112   215.64
2020.10    0.113   217.76
2020.20    0.114   219.83
2020.30    0.116   221.86
2020.40    0.117   223.84
2020.50    0.118   225.78
2020.60    0.120   227.67
2020.70    0.121   229.51
2020.80    0.123   231.31
2020.90    0.124   233.06
2021.00    0.126   234.77
2021.10    0.128   236.43
2021.20    0.129   238.05
2021.30    0.131   239.63
2021.40    0.133   241.17
2021.50    0.134   242.67
2021.60    0.136   244.13
2021.70    0.138   245.56
2021.80    0.139   246.95
2021.90    0.141   248.32
2022.00    0.142   249.65
2022.10    0.144   250.96
2022.20    0.145   252.24
2022.30    0.146   253.50
2022.40    0.148   254.74
2022.50    0.149   255.96
2022.60    0.150   257.16
2022.70    0.150   258.35
2022.80    0.151   259.53
2022.90    0.151   260.71
2023.00    0.151   261.88
2023.10    0.151   263.04
2023.20    0.151   264.22
2023.30    0.150   265.40
2023.40    0.149   266.60
2023.50    0.147   267.82
2023.60    0.145   269.07
2023.70    0.142   270.37
2023.80    0.138   271.73
2023.90    0.133   273.18
2024.00    0.127   274.75
2024.10    0.119   276.52
2024.20    0.107   278.61
2024.30    0.091   281.33
2024.40    0.064   285.76
2024.50    0.009   322.47
2024.60    0.057   106.37
2024.70    0.085   111.67
2024.80    0.102   114.71
2024.90    0.113   117.03
2025.00    0.121   118.99
2025.10    0.126   120.74
2025.20    0.131   122.36
2025.30    0.134   123.88
2025.40    0.136   125.35
2025.50    0.138   126.77
2025.60    0.139   128.16
2025.70    0.140   129.54
2025.80    0.140   130.90
2025.90    0.140   132.26
2026.00    0.140   133.62
2026.10    0.140   134.99
2026.20    0.139   136.37
2026.30    0.138   137.76
2026.40    0.137   139.17
2026.50    0.136   140.61
2026.60    0.135   142.06
2026.70    0.134   143.55
2026.80    0.132   145.06
2026.90    0.131   146.60
2027.00    0.129   148.18
2027.10    0.128   149.80
2027.20    0.127   151.45
2027.30    0.125   153.14
2027.40    0.124   154.87
2027.50    0.122   156.65
2027.60    0.121   158.46
2027.70    0.119   160.33
2027.80    0.118   162.23
2027.90    0.117   164.18
2028.00    0.115   166.17
2028.10    0.114   168.21
2028.20    0.113   170.29
2028.30    0.112   172.41
2028.40    0.111   174.57
2028.50    0.110   176.77
2028.60    0.109   179.00
2028.70    0.109   181.26
2028.80    0.108   183.54
2028.90    0.107   185.85
2029.00    0.107   188.18
2029.10    0.107   190.52
2029.20    0.107   192.86
2029.30    0.107   195.21
2029.40    0.107   197.56
2029.50    0.107   199.90
2029.60    0.107   202.22
2029.70    0.108   204.53
2029.80    0.109   206.81
2029.90    0.109   209.07
2030.00    0.110   211.30

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 16:14:04