Double Star Calculator - Orbit

Orbital Elements for JAO8

WDS:	JAO8	WDS ID/Discoverer
P:	15.170	Orbital period (years)
a:	0.2082	Semi-major axis (arcseconds)
i:	90.32	Inclination (degrees)
Ω:	248.08	Longitude of ascending node (degrees)
T:	2004.580	Epoch of periastron passage (year)
e:	0.84	Eccentricity
ω:	280.74	Longitude of periastron (degrees)
Start-Year:	2017.415	Year
End-Year:	2032.585	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for JAO8
Position:	184821.10-685532.0	Epoch-2000 right ascension and declination
WDS-ID:	18483-6856	WDS designation
Discoverer Code:	JAO8	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	.	HD catalog number
Hipparcos number:	.	Hipparcos catalog number
V1:	23.6	Magnitude of the primary
V2:	20.9	Magnitude of the secondary
Equinox:		Equinox
Date:	2011	Date of last observation
Orbit grade:	9	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Jao2014b	Reference

Double Star Orbit for JAO8

WDS 6th Orbit including measures of JAO8

-- 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 JAO8

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.050    70.49
--------------------------
2017.41    0.149    68.50
2017.51    0.149    68.48
2017.61    0.148    68.47
2017.71    0.147    68.46
2017.81    0.146    68.44
2017.91    0.145    68.43
2018.01    0.143    68.41
2018.11    0.141    68.40
2018.21    0.139    68.38
2018.31    0.137    68.36
2018.41    0.134    68.35
2018.51    0.131    68.33
2018.61    0.127    68.31
2018.71    0.123    68.29
2018.81    0.119    68.27
2018.91    0.113    68.25
2019.01    0.107    68.22
2019.11    0.100    68.19
2019.21    0.091    68.16
2019.31    0.081    68.11
2019.41    0.068    68.06
2019.51    0.052    67.97
2019.61    0.031    67.78
2019.71    0.004    65.32
2019.81    0.024   248.44
2019.91    0.045   248.15
2020.01    0.058   248.04
2020.11    0.067   247.96
2020.21    0.073   247.89
2020.31    0.078   247.84
2020.41    0.081   247.79
2020.51    0.083   247.74
2020.61    0.084   247.70
2020.71    0.085   247.66
2020.81    0.085   247.61
2020.91    0.085   247.57
2021.01    0.084   247.53
2021.11    0.084   247.48
2021.21    0.083   247.44
2021.31    0.081   247.39
2021.41    0.080   247.34
2021.51    0.078   247.29
2021.61    0.077   247.24
2021.71    0.075   247.19
2021.81    0.073   247.13
2021.91    0.071   247.07
2022.01    0.069   247.01
2022.11    0.067   246.94
2022.21    0.065   246.87
2022.31    0.062   246.79
2022.41    0.060   246.71
2022.51    0.058   246.62
2022.61    0.055   246.52
2022.71    0.053   246.41
2022.81    0.050   246.29
2022.91    0.048   246.16
2023.01    0.045   246.02
2023.11    0.042   245.85
2023.21    0.040   245.67
2023.31    0.037   245.46
2023.41    0.035   245.22
2023.51    0.032   244.93
2023.61    0.029   244.60
2023.71    0.026   244.19
2023.81    0.024   243.70
2023.91    0.021   243.07
2024.01    0.018   242.26
2024.11    0.016   241.16
2024.21    0.013   239.59
2024.31    0.010   237.17
2024.41    0.007   232.96
2024.51    0.005   224.01
2024.61    0.002   196.73
2024.71    0.002   126.33
2024.81    0.004    94.44
2024.91    0.007    84.48
2025.01    0.010    79.94
2025.11    0.012    77.37
2025.21    0.015    75.73
2025.31    0.018    74.59
2025.41    0.021    73.75
2025.51    0.023    73.11
2025.61    0.026    72.60
2025.71    0.029    72.18
2025.81    0.032    71.84
2025.91    0.034    71.56
2026.01    0.037    71.31
2026.11    0.040    71.10
2026.21    0.042    70.91
2026.31    0.045    70.75
2026.41    0.048    70.61
2026.51    0.050    70.48
2026.61    0.053    70.36
2026.71    0.056    70.25
2026.81    0.058    70.16
2026.91    0.061    70.07
2027.01    0.063    69.99
2027.11    0.066    69.91
2027.21    0.068    69.84
2027.31    0.071    69.78
2027.41    0.073    69.72
2027.51    0.076    69.66
2027.61    0.078    69.61
2027.71    0.081    69.56
2027.81    0.083    69.51
2027.91    0.086    69.47
2028.01    0.088    69.43
2028.11    0.090    69.39
2028.21    0.093    69.35
2028.31    0.095    69.32
2028.41    0.097    69.28
2028.51    0.099    69.25
2028.61    0.102    69.22
2028.71    0.104    69.19
2028.81    0.106    69.16
2028.91    0.108    69.14
2029.01    0.110    69.11
2029.11    0.112    69.08
2029.21    0.114    69.06
2029.31    0.116    69.04
2029.41    0.118    69.01
2029.51    0.120    68.99
2029.61    0.122    68.97
2029.71    0.124    68.95
2029.81    0.125    68.93
2029.91    0.127    68.91
2030.01    0.129    68.89
2030.11    0.130    68.87
2030.21    0.132    68.85
2030.31    0.134    68.84
2030.41    0.135    68.82
2030.51    0.136    68.80
2030.61    0.138    68.78
2030.71    0.139    68.77
2030.81    0.140    68.75
2030.91    0.142    68.74
2031.01    0.143    68.72
2031.11    0.144    68.71
2031.21    0.145    68.69
2031.31    0.146    68.68
2031.41    0.147    68.66
2031.51    0.147    68.65
2031.61    0.148    68.63
2031.71    0.149    68.62
2031.81    0.149    68.61
2031.91    0.150    68.59
2032.01    0.150    68.58
2032.11    0.150    68.56
2032.21    0.150    68.55
2032.31    0.150    68.54
2032.41    0.150    68.52
2032.51    0.150    68.51

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 17:55:57