Double Star Calculator - Orbit

Orbital Elements for RMU5
WDS: RMU5 WDS ID/Discoverer
P: 28.100 Orbital period (years)
a: 0.215 Semi-major axis (arcseconds)
i: 59.6 Inclination (degrees)
Ω: 118.0 Longitude of ascending node (degrees)
T: 2000.400 Epoch of periastron passage (year)
e: 0.27 Eccentricity
ω: 156.0 Longitude of periastron (degrees)
Start-Year: 2010.95 Year
End-Year: 2039.05 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for RMU5
Position: 190332.24+014908.2 Epoch-2000 right ascension and declination
WDS-ID: 19035+0149 WDS designation
Discoverer Code: RMU5 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 177178 HD catalog number
Hipparcos number: 93580 Hipparcos catalog number
V1: 5.32 Magnitude of the primary
V2: 9.1 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 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: VSP2022b Reference

Double Star Orbit for RMU5



WDS 6th Orbit including measures of RMU5

-- 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 RMU5
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.100   246.10
--------------------------
2010.95    0.193    85.52
2011.05    0.196    86.29
2011.15    0.198    87.03
2011.25    0.200    87.76
2011.35    0.202    88.47
2011.45    0.205    89.17
2011.55    0.207    89.85
2011.65    0.209    90.52
2011.75    0.211    91.17
2011.85    0.213    91.81
2011.95    0.215    92.44
2012.05    0.218    93.05
2012.15    0.220    93.66
2012.25    0.222    94.25
2012.35    0.223    94.83
2012.45    0.225    95.41
2012.55    0.227    95.97
2012.65    0.229    96.52
2012.75    0.231    97.07
2012.85    0.233    97.60
2012.95    0.235    98.13
2013.05    0.236    98.65
2013.15    0.238    99.17
2013.25    0.240    99.67
2013.35    0.241   100.17
2013.45    0.243   100.67
2013.55    0.244   101.15
2013.65    0.246   101.63
2013.75    0.247   102.11
2013.85    0.248   102.58
2013.95    0.250   103.05
2014.05    0.251   103.51
2014.15    0.252   103.96
2014.25    0.253   104.41
2014.35    0.255   104.86
2014.45    0.256   105.30
2014.55    0.257   105.74
2014.65    0.258   106.18
2014.75    0.259   106.61
2014.85    0.260   107.04
2014.95    0.260   107.47
2015.05    0.261   107.89
2015.15    0.262   108.31
2015.25    0.263   108.73
2015.35    0.263   109.15
2015.45    0.264   109.56
2015.55    0.265   109.98
2015.65    0.265   110.39
2015.75    0.266   110.80
2015.85    0.266   111.21
2015.95    0.266   111.61
2016.05    0.267   112.02
2016.15    0.267   112.43
2016.25    0.267   112.83
2016.35    0.267   113.24
2016.45    0.267   113.64
2016.55    0.267   114.04
2016.65    0.267   114.45
2016.75    0.267   114.85
2016.85    0.267   115.26
2016.95    0.267   115.66
2017.05    0.267   116.07
2017.15    0.266   116.47
2017.25    0.266   116.88
2017.35    0.265   117.29
2017.45    0.265   117.70
2017.55    0.264   118.11
2017.65    0.264   118.53
2017.75    0.263   118.94
2017.85    0.262   119.36
2017.95    0.262   119.78
2018.05    0.261   120.20
2018.15    0.260   120.63
2018.25    0.259   121.06
2018.35    0.258   121.49
2018.45    0.257   121.92
2018.55    0.256   122.36
2018.65    0.255   122.80
2018.75    0.253   123.25
2018.85    0.252   123.70
2018.95    0.251   124.16
2019.05    0.249   124.62
2019.15    0.248   125.09
2019.25    0.246   125.56
2019.35    0.245   126.04
2019.45    0.243   126.52
2019.55    0.241   127.01
2019.65    0.240   127.51
2019.75    0.238   128.02
2019.85    0.236   128.53
2019.95    0.234   129.05
2020.05    0.232   129.58
2020.15    0.230   130.12
2020.25    0.228   130.67
2020.35    0.226   131.24
2020.45    0.224   131.81
2020.55    0.221   132.39
2020.65    0.219   132.99
2020.75    0.216   133.60
2020.85    0.214   134.22
2020.95    0.212   134.86
2021.05    0.209   135.51
2021.15    0.206   136.18
2021.25    0.204   136.86
2021.35    0.201   137.57
2021.45    0.198   138.29
2021.55    0.195   139.04
2021.65    0.193   139.80
2021.75    0.190   140.59
2021.85    0.187   141.41
2021.95    0.184   142.25
2022.05    0.181   143.12
2022.15    0.178   144.02
2022.25    0.175   144.95
2022.35    0.171   145.91
2022.45    0.168   146.92
2022.55    0.165   147.95
2022.65    0.162   149.03
2022.75    0.159   150.16
2022.85    0.155   151.33
2022.95    0.152   152.55
2023.05    0.149   153.83
2023.15    0.146   155.16
2023.25    0.142   156.55
2023.35    0.139   158.01
2023.45    0.136   159.54
2023.55    0.133   161.15
2023.65    0.129   162.83
2023.75    0.126   164.60
2023.85    0.123   166.46
2023.95    0.120   168.41
2024.05    0.117   170.47
2024.15    0.114   172.63
2024.25    0.111   174.90
2024.35    0.109   177.29
2024.45    0.106   179.79
2024.55    0.104   182.42
2024.65    0.101   185.16
2024.75    0.099   188.03
2024.85    0.097   191.02
2024.95    0.096   194.12
2025.05    0.094   197.33
2025.15    0.093   200.64
2025.25    0.092   204.03
2025.35    0.091   207.48
2025.45    0.090   210.99
2025.55    0.090   214.53
2025.65    0.090   218.08
2025.75    0.090   221.62
2025.85    0.091   225.13
2025.95    0.092   228.59
2026.05    0.093   231.98
2026.15    0.094   235.29
2026.25    0.095   238.51
2026.35    0.097   241.63
2026.45    0.099   244.64
2026.55    0.101   247.53
2026.65    0.103   250.31
2026.75    0.105   252.97
2026.85    0.108   255.52
2026.95    0.110   257.96
2027.05    0.112   260.29
2027.15    0.115   262.52
2027.25    0.118   264.66
2027.35    0.120   266.70
2027.45    0.123   268.66
2027.55    0.125   270.54
2027.65    0.128   272.34
2027.75    0.130   274.07
2027.85    0.133   275.74
2027.95    0.135   277.34
2028.05    0.138   278.89
2028.15    0.140   280.39
2028.25    0.142   281.85
2028.35    0.144   283.26
2028.45    0.146   284.63
2028.55    0.148   285.97
2028.65    0.150   287.27
2028.75    0.151   288.54
2028.85    0.153   289.79
2028.95    0.154   291.02
2029.05    0.155   292.22
2029.15    0.157   293.40
2029.25    0.158   294.57
2029.35    0.159   295.73
2029.45    0.159   296.87
2029.55    0.160   298.00
2029.65    0.160   299.13
2029.75    0.161   300.25
2029.85    0.161   301.36
2029.95    0.161   302.48
2030.05    0.161   303.59
2030.15    0.161   304.70
2030.25    0.161   305.82
2030.35    0.160   306.94
2030.45    0.160   308.07
2030.55    0.159   309.21
2030.65    0.158   310.35
2030.75    0.158   311.51
2030.85    0.157   312.68
2030.95    0.156   313.86
2031.05    0.154   315.06
2031.15    0.153   316.28
2031.25    0.152   317.52
2031.35    0.151   318.78
2031.45    0.149   320.06
2031.55    0.148   321.36
2031.65    0.146   322.69
2031.75    0.145   324.05
2031.85    0.143   325.44
2031.95    0.142   326.86
2032.05    0.140   328.32
2032.15    0.138   329.80
2032.25    0.137   331.33
2032.35    0.135   332.89
2032.45    0.134   334.49
2032.55    0.132   336.13
2032.65    0.130   337.81
2032.75    0.129   339.53
2032.85    0.127   341.29
2032.95    0.126   343.10
2033.05    0.124   344.96
2033.15    0.123   346.86
2033.25    0.121   348.80
2033.35    0.120   350.78
2033.45    0.119   352.81
2033.55    0.118   354.88
2033.65    0.116   356.99
2033.75    0.116   359.13
2033.85    0.115     1.31
2033.95    0.114     3.52
2034.05    0.113     5.76
2034.15    0.113     8.02
2034.25    0.112    10.30
2034.35    0.112    12.60
2034.45    0.112    14.90
2034.55    0.112    17.21
2034.65    0.112    19.52
2034.75    0.112    21.82
2034.85    0.112    24.11
2034.95    0.113    26.39
2035.05    0.113    28.64
2035.15    0.114    30.87
2035.25    0.115    33.06
2035.35    0.116    35.22
2035.45    0.117    37.35
2035.55    0.118    39.43
2035.65    0.120    41.47
2035.75    0.121    43.47
2035.85    0.122    45.42
2035.95    0.124    47.32
2036.05    0.126    49.17
2036.15    0.127    50.98
2036.25    0.129    52.73
2036.35    0.131    54.43
2036.45    0.133    56.09
2036.55    0.135    57.69
2036.65    0.137    59.25
2036.75    0.139    60.76
2036.85    0.141    62.23
2036.95    0.144    63.65
2037.05    0.146    65.03
2037.15    0.148    66.37
2037.25    0.150    67.66
2037.35    0.153    68.92
2037.45    0.155    70.14
2037.55    0.157    71.32
2037.65    0.160    72.46
2037.75    0.162    73.58
2037.85    0.165    74.66
2037.95    0.167    75.71
2038.05    0.169    76.73
2038.15    0.172    77.72
2038.25    0.174    78.68
2038.35    0.177    79.62
2038.45    0.179    80.53
2038.55    0.182    81.41
2038.65    0.184    82.28
2038.75    0.186    83.12
2038.85    0.189    83.94
2038.95    0.191    84.74



 

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 17:58:40


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