Double Star Calculator - Orbit

Orbital Elements for MTG4
WDS: MTG4 WDS ID/Discoverer
P: 60.000 Orbital period (years)
a: 0.703 Semi-major axis (arcseconds)
i: 105.1 Inclination (degrees)
Ω: 168.9 Longitude of ascending node (degrees)
T: 2028.240 Epoch of periastron passage (year)
e: 0.271 Eccentricity
ω: 316.0 Longitude of periastron (degrees)
Start-Year: 1995.0 Year
End-Year: 2055.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for MTG4
Position: 194453.80-233759.3 Epoch-2000 right ascension and declination
WDS-ID: 19449-2338 WDS designation
Discoverer Code: MTG4 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 14.1 k Magnitude of the primary
V2: 15. k Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 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: Tok2021f Reference

Double Star Orbit for MTG4



WDS 6th Orbit including measures of MTG4

-- 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 MTG4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.266   195.75
--------------------------
1995.00    0.536     9.76
1995.10    0.540     9.50
1995.20    0.544     9.25
1995.30    0.548     9.00
1995.40    0.553     8.76
1995.50    0.557     8.51
1995.60    0.561     8.28
1995.70    0.565     8.04
1995.80    0.569     7.81
1995.90    0.573     7.58
1996.00    0.577     7.36
1996.10    0.582     7.14
1996.20    0.586     6.92
1996.30    0.590     6.70
1996.40    0.594     6.49
1996.50    0.598     6.28
1996.60    0.602     6.07
1996.70    0.606     5.87
1996.80    0.609     5.67
1996.90    0.613     5.47
1997.00    0.617     5.27
1997.10    0.621     5.08
1997.20    0.625     4.89
1997.30    0.629     4.70
1997.40    0.632     4.51
1997.50    0.636     4.33
1997.60    0.640     4.14
1997.70    0.643     3.96
1997.80    0.647     3.78
1997.90    0.651     3.61
1998.00    0.654     3.43
1998.10    0.658     3.26
1998.20    0.661     3.09
1998.30    0.665     2.92
1998.40    0.668     2.75
1998.50    0.672     2.59
1998.60    0.675     2.42
1998.70    0.679     2.26
1998.80    0.682     2.10
1998.90    0.685     1.94
1999.00    0.688     1.78
1999.10    0.692     1.63
1999.20    0.695     1.47
1999.30    0.698     1.32
1999.40    0.701     1.17
1999.50    0.704     1.02
1999.60    0.708     0.87
1999.70    0.711     0.72
1999.80    0.714     0.57
1999.90    0.717     0.43
2000.00    0.720     0.28
2000.10    0.722     0.14
2000.20    0.725   360.00
2000.30    0.728   359.86
2000.40    0.731   359.72
2000.50    0.734   359.58
2000.60    0.737   359.44
2000.70    0.739   359.31
2000.80    0.742   359.17
2000.90    0.745   359.03
2001.00    0.747   358.90
2001.10    0.750   358.77
2001.20    0.752   358.64
2001.30    0.755   358.51
2001.40    0.757   358.38
2001.50    0.760   358.25
2001.60    0.762   358.12
2001.70    0.764   357.99
2001.80    0.767   357.86
2001.90    0.769   357.74
2002.00    0.771   357.61
2002.10    0.773   357.49
2002.20    0.776   357.36
2002.30    0.778   357.24
2002.40    0.780   357.12
2002.50    0.782   357.00
2002.60    0.784   356.87
2002.70    0.786   356.75
2002.80    0.788   356.63
2002.90    0.789   356.51
2003.00    0.791   356.39
2003.10    0.793   356.28
2003.20    0.795   356.16
2003.30    0.797   356.04
2003.40    0.798   355.92
2003.50    0.800   355.81
2003.60    0.801   355.69
2003.70    0.803   355.58
2003.80    0.804   355.46
2003.90    0.806   355.35
2004.00    0.807   355.23
2004.10    0.809   355.12
2004.20    0.810   355.00
2004.30    0.811   354.89
2004.40    0.813   354.78
2004.50    0.814   354.67
2004.60    0.815   354.55
2004.70    0.816   354.44
2004.80    0.817   354.33
2004.90    0.818   354.22
2005.00    0.819   354.11
2005.10    0.820   354.00
2005.20    0.821   353.89
2005.30    0.822   353.78
2005.40    0.822   353.67
2005.50    0.823   353.56
2005.60    0.824   353.45
2005.70    0.824   353.34
2005.80    0.825   353.23
2005.90    0.826   353.12
2006.00    0.826   353.01
2006.10    0.827   352.90
2006.20    0.827   352.79
2006.30    0.827   352.68
2006.40    0.828   352.58
2006.50    0.828   352.47
2006.60    0.828   352.36
2006.70    0.828   352.25
2006.80    0.828   352.14
2006.90    0.829   352.03
2007.00    0.829   351.92
2007.10    0.829   351.82
2007.20    0.828   351.71
2007.30    0.828   351.60
2007.40    0.828   351.49
2007.50    0.828   351.38
2007.60    0.828   351.27
2007.70    0.827   351.17
2007.80    0.827   351.06
2007.90    0.827   350.95
2008.00    0.826   350.84
2008.10    0.826   350.73
2008.20    0.825   350.62
2008.30    0.824   350.51
2008.40    0.824   350.40
2008.50    0.823   350.29
2008.60    0.822   350.18
2008.70    0.821   350.07
2008.80    0.820   349.96
2008.90    0.819   349.85
2009.00    0.818   349.74
2009.10    0.817   349.63
2009.20    0.816   349.52
2009.30    0.815   349.41
2009.40    0.814   349.29
2009.50    0.813   349.18
2009.60    0.811   349.07
2009.70    0.810   348.96
2009.80    0.808   348.84
2009.90    0.807   348.73
2010.00    0.805   348.61
2010.10    0.804   348.50
2010.20    0.802   348.38
2010.30    0.800   348.27
2010.40    0.799   348.15
2010.50    0.797   348.03
2010.60    0.795   347.92
2010.70    0.793   347.80
2010.80    0.791   347.68
2010.90    0.789   347.56
2011.00    0.787   347.44
2011.10    0.785   347.32
2011.20    0.782   347.20
2011.30    0.780   347.08
2011.40    0.778   346.96
2011.50    0.775   346.83
2011.60    0.773   346.71
2011.70    0.770   346.58
2011.80    0.768   346.46
2011.90    0.765   346.33
2012.00    0.762   346.20
2012.10    0.760   346.07
2012.20    0.757   345.95
2012.30    0.754   345.82
2012.40    0.751   345.68
2012.50    0.748   345.55
2012.60    0.745   345.42
2012.70    0.742   345.28
2012.80    0.739   345.15
2012.90    0.735   345.01
2013.00    0.732   344.87
2013.10    0.729   344.73
2013.20    0.725   344.59
2013.30    0.722   344.45
2013.40    0.718   344.31
2013.50    0.715   344.16
2013.60    0.711   344.02
2013.70    0.707   343.87
2013.80    0.704   343.72
2013.90    0.700   343.57
2014.00    0.696   343.42
2014.10    0.692   343.26
2014.20    0.688   343.11
2014.30    0.684   342.95
2014.40    0.680   342.79
2014.50    0.676   342.63
2014.60    0.671   342.46
2014.70    0.667   342.30
2014.80    0.663   342.13
2014.90    0.658   341.96
2015.00    0.654   341.78
2015.10    0.649   341.61
2015.20    0.645   341.43
2015.30    0.640   341.25
2015.40    0.635   341.07
2015.50    0.630   340.88
2015.60    0.625   340.69
2015.70    0.620   340.50
2015.80    0.615   340.31
2015.90    0.610   340.11
2016.00    0.605   339.91
2016.10    0.600   339.70
2016.20    0.595   339.50
2016.30    0.590   339.28
2016.40    0.584   339.07
2016.50    0.579   338.85
2016.60    0.573   338.62
2016.70    0.568   338.40
2016.80    0.562   338.16
2016.90    0.557   337.93
2017.00    0.551   337.68
2017.10    0.545   337.44
2017.20    0.539   337.18
2017.30    0.534   336.92
2017.40    0.528   336.66
2017.50    0.522   336.39
2017.60    0.516   336.11
2017.70    0.510   335.83
2017.80    0.503   335.54
2017.90    0.497   335.24
2018.00    0.491   334.94
2018.10    0.485   334.63
2018.20    0.478   334.31
2018.30    0.472   333.98
2018.40    0.466   333.64
2018.50    0.459   333.29
2018.60    0.453   332.93
2018.70    0.446   332.56
2018.80    0.439   332.18
2018.90    0.433   331.79
2019.00    0.426   331.39
2019.10    0.419   330.97
2019.20    0.412   330.54
2019.30    0.406   330.10
2019.40    0.399   329.64
2019.50    0.392   329.16
2019.60    0.385   328.67
2019.70    0.378   328.16
2019.80    0.371   327.63
2019.90    0.364   327.08
2020.00    0.357   326.50
2020.10    0.350   325.91
2020.20    0.343   325.29
2020.30    0.336   324.64
2020.40    0.329   323.97
2020.50    0.321   323.26
2020.60    0.314   322.53
2020.70    0.307   321.76
2020.80    0.300   320.95
2020.90    0.293   320.10
2021.00    0.286   319.22
2021.10    0.279   318.28
2021.20    0.272   317.30
2021.30    0.265   316.27
2021.40    0.258   315.18
2021.50    0.251   314.03
2021.60    0.244   312.81
2021.70    0.237   311.53
2021.80    0.231   310.17
2021.90    0.224   308.73
2022.00    0.217   307.20
2022.10    0.211   305.58
2022.20    0.205   303.86
2022.30    0.199   302.04
2022.40    0.193   300.10
2022.50    0.187   298.03
2022.60    0.182   295.85
2022.70    0.176   293.52
2022.80    0.171   291.06
2022.90    0.167   288.46
2023.00    0.162   285.71
2023.10    0.158   282.82
2023.20    0.155   279.78
2023.30    0.152   276.61
2023.40    0.149   273.31
2023.50    0.147   269.89
2023.60    0.145   266.39
2023.70    0.144   262.81
2023.80    0.143   259.18
2023.90    0.143   255.53
2024.00    0.143   251.88
2024.10    0.144   248.27
2024.20    0.145   244.72
2024.30    0.147   241.25
2024.40    0.150   237.88
2024.50    0.153   234.63
2024.60    0.156   231.52
2024.70    0.160   228.54
2024.80    0.164   225.70
2024.90    0.169   223.01
2025.00    0.173   220.47
2025.10    0.178   218.06
2025.20    0.184   215.79
2025.30    0.189   213.66
2025.40    0.195   211.64
2025.50    0.201   209.74
2025.60    0.207   207.95
2025.70    0.213   206.27
2025.80    0.220   204.68
2025.90    0.226   203.18
2026.00    0.232   201.77
2026.10    0.239   200.43
2026.20    0.246   199.16
2026.30    0.252   197.96
2026.40    0.259   196.83
2026.50    0.266   195.75
2026.60    0.273   194.72
2026.70    0.279   193.74
2026.80    0.286   192.81
2026.90    0.293   191.93
2027.00    0.300   191.08
2027.10    0.306   190.27
2027.20    0.313   189.50
2027.30    0.320   188.75
2027.40    0.327   188.04
2027.50    0.333   187.36
2027.60    0.340   186.70
2027.70    0.346   186.07
2027.80    0.353   185.46
2027.90    0.359   184.87
2028.00    0.365   184.31
2028.10    0.372   183.76
2028.20    0.378   183.23
2028.30    0.384   182.71
2028.40    0.390   182.22
2028.50    0.396   181.74
2028.60    0.402   181.27
2028.70    0.407   180.81
2028.80    0.413   180.37
2028.90    0.419   179.94
2029.00    0.424   179.52
2029.10    0.429   179.11
2029.20    0.435   178.72
2029.30    0.440   178.33
2029.40    0.445   177.95
2029.50    0.450   177.58
2029.60    0.455   177.21
2029.70    0.460   176.86
2029.80    0.464   176.51
2029.90    0.469   176.17
2030.00    0.473   175.83
2030.10    0.478   175.50
2030.20    0.482   175.18
2030.30    0.486   174.86
2030.40    0.490   174.55
2030.50    0.494   174.24
2030.60    0.497   173.94
2030.70    0.501   173.64
2030.80    0.505   173.35
2030.90    0.508   173.06
2031.00    0.511   172.77
2031.10    0.514   172.49
2031.20    0.517   172.21
2031.30    0.520   171.93
2031.40    0.523   171.66
2031.50    0.526   171.39
2031.60    0.528   171.12
2031.70    0.531   170.86
2031.80    0.533   170.59
2031.90    0.535   170.33
2032.00    0.537   170.07
2032.10    0.539   169.82
2032.20    0.541   169.56
2032.30    0.543   169.31
2032.40    0.544   169.06
2032.50    0.546   168.81
2032.60    0.547   168.56
2032.70    0.548   168.31
2032.80    0.549   168.06
2032.90    0.550   167.82
2033.00    0.551   167.57
2033.10    0.552   167.33
2033.20    0.553   167.08
2033.30    0.553   166.84
2033.40    0.554   166.60
2033.50    0.554   166.36
2033.60    0.554   166.11
2033.70    0.554   165.87
2033.80    0.554   165.63
2033.90    0.554   165.39
2034.00    0.554   165.14
2034.10    0.553   164.90
2034.20    0.553   164.66
2034.30    0.552   164.42
2034.40    0.552   164.17
2034.50    0.551   163.93
2034.60    0.550   163.68
2034.70    0.549   163.44
2034.80    0.548   163.19
2034.90    0.547   162.94
2035.00    0.546   162.69
2035.10    0.545   162.44
2035.20    0.543   162.19
2035.30    0.542   161.94
2035.40    0.540   161.68
2035.50    0.539   161.43
2035.60    0.537   161.17
2035.70    0.535   160.91
2035.80    0.533   160.65
2035.90    0.531   160.39
2036.00    0.529   160.13
2036.10    0.527   159.86
2036.20    0.525   159.59
2036.30    0.522   159.32
2036.40    0.520   159.04
2036.50    0.518   158.77
2036.60    0.515   158.49
2036.70    0.512   158.21
2036.80    0.510   157.92
2036.90    0.507   157.64
2037.00    0.504   157.34
2037.10    0.501   157.05
2037.20    0.499   156.75
2037.30    0.496   156.45
2037.40    0.492   156.15
2037.50    0.489   155.84
2037.60    0.486   155.53
2037.70    0.483   155.21
2037.80    0.480   154.89
2037.90    0.476   154.56
2038.00    0.473   154.23
2038.10    0.470   153.90
2038.20    0.466   153.56
2038.30    0.463   153.21
2038.40    0.459   152.86
2038.50    0.455   152.51
2038.60    0.452   152.15
2038.70    0.448   151.78
2038.80    0.444   151.41
2038.90    0.441   151.03
2039.00    0.437   150.64
2039.10    0.433   150.25
2039.20    0.429   149.85
2039.30    0.425   149.44
2039.40    0.421   149.03
2039.50    0.417   148.60
2039.60    0.413   148.17
2039.70    0.409   147.73
2039.80    0.405   147.28
2039.90    0.401   146.83
2040.00    0.397   146.36
2040.10    0.393   145.88
2040.20    0.389   145.40
2040.30    0.385   144.90
2040.40    0.381   144.39
2040.50    0.376   143.87
2040.60    0.372   143.34
2040.70    0.368   142.80
2040.80    0.364   142.24
2040.90    0.360   141.67
2041.00    0.355   141.09
2041.10    0.351   140.50
2041.20    0.347   139.89
2041.30    0.343   139.26
2041.40    0.339   138.62
2041.50    0.334   137.97
2041.60    0.330   137.29
2041.70    0.326   136.60
2041.80    0.322   135.89
2041.90    0.318   135.17
2042.00    0.314   134.42
2042.10    0.310   133.66
2042.20    0.306   132.87
2042.30    0.302   132.07
2042.40    0.298   131.24
2042.50    0.294   130.39
2042.60    0.290   129.51
2042.70    0.286   128.62
2042.80    0.282   127.69
2042.90    0.278   126.75
2043.00    0.275   125.77
2043.10    0.271   124.78
2043.20    0.267   123.75
2043.30    0.264   122.69
2043.40    0.260   121.61
2043.50    0.257   120.50
2043.60    0.254   119.36
2043.70    0.250   118.19
2043.80    0.247   116.99
2043.90    0.244   115.75
2044.00    0.241   114.49
2044.10    0.238   113.20
2044.20    0.235   111.87
2044.30    0.233   110.51
2044.40    0.230   109.13
2044.50    0.228   107.71
2044.60    0.226   106.26
2044.70    0.223   104.79
2044.80    0.221   103.28
2044.90    0.219   101.75
2045.00    0.218   100.19
2045.10    0.216    98.61
2045.20    0.215    97.01
2045.30    0.213    95.38
2045.40    0.212    93.74
2045.50    0.211    92.08
2045.60    0.210    90.40
2045.70    0.210    88.72
2045.80    0.209    87.02
2045.90    0.209    85.32
2046.00    0.209    83.61
2046.10    0.209    81.90
2046.20    0.209    80.19
2046.30    0.209    78.49
2046.40    0.210    76.79
2046.50    0.210    75.11
2046.60    0.211    73.43
2046.70    0.212    71.77
2046.80    0.213    70.13
2046.90    0.215    68.51
2047.00    0.216    66.91
2047.10    0.218    65.33
2047.20    0.220    63.77
2047.30    0.222    62.24
2047.40    0.224    60.74
2047.50    0.226    59.27
2047.60    0.228    57.82
2047.70    0.231    56.41
2047.80    0.233    55.03
2047.90    0.236    53.67
2048.00    0.239    52.35
2048.10    0.242    51.06
2048.20    0.245    49.80
2048.30    0.248    48.58
2048.40    0.251    47.38
2048.50    0.254    46.22
2048.60    0.258    45.08
2048.70    0.261    43.97
2048.80    0.265    42.90
2048.90    0.268    41.85
2049.00    0.272    40.83
2049.10    0.276    39.84
2049.20    0.280    38.87
2049.30    0.283    37.94
2049.40    0.287    37.02
2049.50    0.291    36.13
2049.60    0.295    35.27
2049.70    0.299    34.43
2049.80    0.304    33.61
2049.90    0.308    32.82
2050.00    0.312    32.04
2050.10    0.316    31.29
2050.20    0.320    30.55
2050.30    0.325    29.84
2050.40    0.329    29.14
2050.50    0.333    28.47
2050.60    0.338    27.81
2050.70    0.342    27.16
2050.80    0.347    26.54
2050.90    0.351    25.93
2051.00    0.356    25.33
2051.10    0.360    24.75
2051.20    0.365    24.18
2051.30    0.369    23.63
2051.40    0.374    23.09
2051.50    0.378    22.57
2051.60    0.383    22.05
2051.70    0.387    21.55
2051.80    0.392    21.06
2051.90    0.396    20.58
2052.00    0.401    20.12
2052.10    0.406    19.66
2052.20    0.410    19.21
2052.30    0.415    18.77
2052.40    0.419    18.35
2052.50    0.424    17.93
2052.60    0.428    17.52
2052.70    0.433    17.12
2052.80    0.438    16.73
2052.90    0.442    16.34
2053.00    0.447    15.97
2053.10    0.451    15.60
2053.20    0.456    15.24
2053.30    0.460    14.88
2053.40    0.465    14.53
2053.50    0.469    14.19
2053.60    0.474    13.86
2053.70    0.478    13.53
2053.80    0.483    13.21
2053.90    0.487    12.89
2054.00    0.492    12.58
2054.10    0.496    12.28
2054.20    0.501    11.98
2054.30    0.505    11.68
2054.40    0.509    11.39
2054.50    0.514    11.11
2054.60    0.518    10.83
2054.70    0.523    10.56
2054.80    0.527    10.29
2054.90    0.531    10.02






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 18:07:54



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