Double Star Calculator - Orbit

Orbital Elements for MLR224

WDS:	MLR224	WDS ID/Discoverer
P:	11.897	Orbital period (years)
a:	0.18938	Semi-major axis (arcseconds)
i:	80.377	Inclination (degrees)
Ω:	292.78	Longitude of ascending node (degrees)
T:	2016.960	Epoch of periastron passage (year)
e:	0.2428	Eccentricity
ω:	250.18	Longitude of periastron (degrees)
Start-Year:	2019.051481435466	Year
End-Year:	2030.948518564534	Year
Epoch:	2026.5	Besselian Epoch

Further data from the WDS Sixth Catalog of Orbits for MLR224
Position:	193905.98+762518.0	Epoch-2000 right ascension and declination
WDS-ID:	19391+7625	WDS designation
Discoverer Code:	MLR224	Discover designation and components
ADS number:	.	Aitken Double Star catalog
HD number:	186922	HD catalog number
Hipparcos number:	96656	Hipparcos catalog number
V1:	8.67	Magnitude of the primary
V2:	9.35	Magnitude of the secondary
Equinox:		Equinox
Date:		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:	HJL2020	Reference

Double Star Orbit for MLR224

WDS 6th Orbit including measures of MLR224

-- 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 MLR224

Click to expand/collapse ephemeris:

Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.163   107.45
--------------------------
2019.05    0.170   289.50
2019.15    0.175   290.10
2019.25    0.180   290.66
2019.35    0.184   291.19
2019.45    0.188   291.70
2019.55    0.191   292.19
2019.65    0.194   292.66
2019.75    0.196   293.13
2019.85    0.198   293.58
2019.95    0.199   294.03
2020.05    0.200   294.47
2020.15    0.200   294.91
2020.25    0.200   295.35
2020.35    0.200   295.79
2020.45    0.199   296.24
2020.55    0.197   296.69
2020.65    0.196   297.14
2020.75    0.194   297.60
2020.85    0.192   298.08
2020.95    0.189   298.56
2021.05    0.186   299.07
2021.15    0.183   299.58
2021.25    0.179   300.12
2021.35    0.175   300.68
2021.45    0.171   301.27
2021.55    0.166   301.89
2021.65    0.162   302.54
2021.75    0.157   303.24
2021.85    0.152   303.98
2021.95    0.146   304.77
2022.05    0.141   305.62
2022.15    0.135   306.55
2022.25    0.129   307.55
2022.35    0.123   308.65
2022.45    0.117   309.87
2022.55    0.111   311.23
2022.65    0.105   312.74
2022.75    0.098   314.46
2022.85    0.092   316.41
2022.95    0.085   318.67
2023.05    0.079   321.29
2023.15    0.072   324.38
2023.25    0.066   328.05
2023.35    0.060   332.48
2023.45    0.055   337.85
2023.55    0.049   344.39
2023.65    0.045   352.34
2023.75    0.042     1.80
2023.85    0.039    12.64
2023.95    0.039    24.31
2024.05    0.039    35.94
2024.15    0.042    46.69
2024.25    0.045    56.03
2024.35    0.050    63.86
2024.45    0.055    70.31
2024.55    0.061    75.60
2024.65    0.067    79.97
2024.75    0.073    83.61
2024.85    0.079    86.67
2024.95    0.085    89.27
2025.05    0.092    91.52
2025.15    0.098    93.47
2025.25    0.104    95.20
2025.35    0.110    96.72
2025.45    0.116    98.09
2025.55    0.122    99.33
2025.65    0.128   100.46
2025.75    0.133   101.50
2025.85    0.138   102.46
2025.95    0.143   103.35
2026.05    0.147   104.19
2026.15    0.151   104.98
2026.25    0.155   105.72
2026.35    0.159   106.44
2026.45    0.161   107.13
2026.55    0.164   107.79
2026.65    0.166   108.44
2026.75    0.167   109.07
2026.85    0.168   109.69
2026.95    0.169   110.31
2027.05    0.169   110.93
2027.15    0.168   111.55
2027.25    0.167   112.18
2027.35    0.165   112.82
2027.45    0.162   113.48
2027.55    0.158   114.17
2027.65    0.154   114.89
2027.75    0.149   115.65
2027.85    0.144   116.47
2027.95    0.137   117.36
2028.05    0.130   118.34
2028.15    0.123   119.44
2028.25    0.114   120.69
2028.35    0.105   122.15
2028.45    0.096   123.89
2028.55    0.086   126.02
2028.65    0.076   128.73
2028.75    0.065   132.31
2028.85    0.054   137.32
2028.95    0.044   144.75
2029.05    0.034   156.57
2029.15    0.027   176.01
2029.25    0.024   204.01
2029.35    0.028   231.22
2029.45    0.035   249.51
2029.55    0.045   260.61
2029.65    0.056   267.64
2029.75    0.066   272.40
2029.85    0.077   275.83
2029.95    0.088   278.43
2030.05    0.098   280.47
2030.15    0.108   282.13
2030.25    0.117   283.52
2030.35    0.126   284.70
2030.45    0.135   285.73
2030.55    0.143   286.65
2030.65    0.150   287.46
2030.75    0.157   288.21
2030.85    0.164   288.89

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 18:06:28