Double Star Calculator - Orbit

Orbital Elements for KUI48AB

WDS:	KUI48AB	WDS ID/Discoverer
P:	17.835	Orbital period (years)
a:	0.155	Semi-major axis (arcseconds)
i:	84.4	Inclination (degrees)
Ω:	169.7	Longitude of ascending node (degrees)
T:	1989.053	Epoch of periastron passage (year)
e:	0.401	Eccentricity
ω:	186.2	Longitude of periastron (degrees)
Start-Year:	2016.0825	Year
End-Year:	2033.9175	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for KUI48AB
Position:	100815.94+313615.4	Epoch-2000 right ascension and declination
WDS-ID:	10083+3136	WDS designation
Discoverer Code:	KUI48AB	Discover designation and components
ADS number:	7651	Aitken Double Star catalog
HD number:	87822	HD catalog number
Hipparcos number:	49658	Hipparcos catalog number
V1:	6.9	Magnitude of the primary
V2:	7.2	Magnitude of the secondary
Equinox:	2000	Equinox
Date:	2015	Date of last observation
Orbit grade:	2	Orbit grade, ranging from : 1 = Definitive 2 = Good 3 = Reliable 4 = Preliminary 5 = Indeterminate
Flags:	n	Flags
Ephemerides:		Ephemerides
Code:	Tok2021c	Reference

Double Star Orbit for KUI48AB

WDS 6th Orbit including measures of KUI48AB

-- 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 KUI48AB

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.019    27.26
--------------------------
2016.08    0.214   170.57
2016.18    0.214   170.66
2016.28    0.213   170.76
2016.38    0.212   170.85
2016.48    0.211   170.95
2016.58    0.210   171.05
2016.68    0.209   171.15
2016.78    0.208   171.25
2016.88    0.206   171.35
2016.98    0.205   171.45
2017.08    0.203   171.55
2017.18    0.202   171.66
2017.28    0.200   171.77
2017.38    0.198   171.88
2017.48    0.196   171.99
2017.58    0.194   172.10
2017.68    0.192   172.22
2017.78    0.190   172.34
2017.88    0.187   172.46
2017.98    0.185   172.59
2018.08    0.182   172.71
2018.18    0.180   172.85
2018.28    0.177   172.98
2018.38    0.174   173.12
2018.48    0.171   173.27
2018.58    0.168   173.42
2018.68    0.165   173.57
2018.78    0.162   173.74
2018.88    0.159   173.90
2018.98    0.156   174.08
2019.08    0.152   174.26
2019.18    0.149   174.45
2019.28    0.145   174.66
2019.38    0.141   174.87
2019.48    0.137   175.09
2019.58    0.134   175.33
2019.68    0.130   175.58
2019.78    0.126   175.84
2019.88    0.121   176.13
2019.98    0.117   176.43
2020.08    0.113   176.76
2020.18    0.108   177.12
2020.28    0.104   177.50
2020.38    0.099   177.92
2020.48    0.095   178.38
2020.58    0.090   178.89
2020.68    0.085   179.46
2020.78    0.080   180.10
2020.88    0.075   180.81
2020.98    0.070   181.64
2021.08    0.065   182.58
2021.18    0.060   183.69
2021.28    0.055   185.01
2021.38    0.050   186.60
2021.48    0.044   188.56
2021.58    0.039   191.04
2021.68    0.034   194.27
2021.78    0.029   198.64
2021.88    0.024   204.80
2021.98    0.020   213.89
2022.08    0.016   227.72
2022.18    0.014   247.94
2022.28    0.013   272.21
2022.38    0.016   293.46
2022.48    0.019   308.29
2022.58    0.023   318.04
2022.68    0.028   324.61
2022.78    0.033   329.25
2022.88    0.038   332.66
2022.98    0.043   335.28
2023.08    0.048   337.36
2023.18    0.053   339.04
2023.28    0.058   340.45
2023.38    0.063   341.64
2023.48    0.067   342.67
2023.58    0.071   343.58
2023.68    0.075   344.39
2023.78    0.079   345.12
2023.88    0.082   345.79
2023.98    0.085   346.41
2024.08    0.087   347.00
2024.18    0.090   347.55
2024.28    0.091   348.08
2024.38    0.092   348.59
2024.48    0.093   349.10
2024.58    0.093   349.60
2024.68    0.093   350.10
2024.78    0.092   350.61
2024.88    0.090   351.14
2024.98    0.088   351.68
2025.08    0.086   352.25
2025.18    0.083   352.86
2025.28    0.079   353.52
2025.38    0.076   354.24
2025.48    0.072   355.04
2025.58    0.067   355.94
2025.68    0.062   356.97
2025.78    0.057   358.18
2025.88    0.052   359.63
2025.98    0.047     1.40
2026.08    0.041     3.64
2026.18    0.036     6.57
2026.28    0.030    10.57
2026.38    0.025    16.35
2026.48    0.020    25.22
2026.58    0.015    39.67
2026.68    0.013    62.73
2026.78    0.013    91.45
2026.88    0.015   114.80
2026.98    0.020   129.49
2027.08    0.025   138.49
2027.18    0.030   144.32
2027.28    0.036   148.34
2027.38    0.041   151.27
2027.48    0.047   153.49
2027.58    0.053   155.23
2027.68    0.058   156.63
2027.78    0.064   157.79
2027.88    0.070   158.76
2027.98    0.075   159.59
2028.08    0.080   160.31
2028.18    0.086   160.95
2028.28    0.091   161.50
2028.38    0.096   162.00
2028.48    0.101   162.45
2028.58    0.106   162.86
2028.68    0.110   163.23
2028.78    0.115   163.57
2028.88    0.120   163.88
2028.98    0.124   164.18
2029.08    0.129   164.45
2029.18    0.133   164.70
2029.28    0.137   164.94
2029.38    0.141   165.16
2029.48    0.145   165.38
2029.58    0.149   165.58
2029.68    0.152   165.77
2029.78    0.156   165.95
2029.88    0.160   166.12
2029.98    0.163   166.29
2030.08    0.166   166.45
2030.18    0.169   166.60
2030.28    0.173   166.75
2030.38    0.176   166.90
2030.48    0.178   167.03
2030.58    0.181   167.17
2030.68    0.184   167.30
2030.78    0.186   167.43
2030.88    0.189   167.55
2030.98    0.191   167.67
2031.08    0.193   167.79
2031.18    0.195   167.90
2031.28    0.197   168.01
2031.38    0.199   168.12
2031.48    0.201   168.23
2031.58    0.203   168.34
2031.68    0.205   168.44
2031.78    0.206   168.54
2031.88    0.207   168.65
2031.98    0.209   168.75
2032.08    0.210   168.84
2032.18    0.211   168.94
2032.28    0.212   169.04
2032.38    0.213   169.14
2032.48    0.214   169.23
2032.58    0.214   169.33
2032.68    0.215   169.42
2032.78    0.216   169.51
2032.88    0.216   169.61
2032.98    0.216   169.70
2033.08    0.217   169.79
2033.18    0.217   169.88
2033.28    0.217   169.98
2033.38    0.217   170.07
2033.48    0.216   170.16
2033.58    0.216   170.25
2033.68    0.216   170.35
2033.78    0.215   170.44
2033.88    0.215   170.53

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 16:24:36