Double Star Calculator - Orbit

Orbital Elements for MCA22
WDS: MCA22 WDS ID/Discoverer
P: 31.740 Orbital period (years)
a: 0.092 Semi-major axis (arcseconds)
i: 36.9 Inclination (degrees)
Ω: 112.0 Longitude of ascending node (degrees)
T: 2036.410 Epoch of periastron passage (year)
e: 0.932 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 2009.13 Year
End-Year: 2040.87 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for MCA22
Position: 054726.90-103158.5 Epoch-2000 right ascension and declination
WDS-ID: 05474-1032 WDS designation
Discoverer Code: MCA22 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 38735 HD catalog number
Hipparcos number: 27341 Hipparcos catalog number
V1: 6.34 Magnitude of the primary
V2: 7.79 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2022 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Doc2022d Reference

Double Star Orbit for MCA22



WDS 6th Orbit including measures of MCA22

-- 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 MCA22
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.161   297.61
--------------------------
2009.13    0.109   278.20
2009.23    0.110   278.43
2009.33    0.112   278.66
2009.43    0.113   278.88
2009.53    0.115   279.09
2009.63    0.116   279.30
2009.73    0.117   279.51
2009.83    0.118   279.71
2009.93    0.120   279.90
2010.03    0.121   280.10
2010.13    0.122   280.29
2010.23    0.123   280.47
2010.33    0.125   280.65
2010.43    0.126   280.83
2010.53    0.127   281.00
2010.63    0.128   281.18
2010.73    0.129   281.34
2010.83    0.130   281.51
2010.93    0.131   281.67
2011.03    0.132   281.83
2011.13    0.133   281.99
2011.23    0.134   282.15
2011.33    0.135   282.30
2011.43    0.136   282.45
2011.53    0.137   282.60
2011.63    0.138   282.75
2011.73    0.139   282.89
2011.83    0.140   283.03
2011.93    0.141   283.17
2012.03    0.142   283.31
2012.13    0.143   283.45
2012.23    0.144   283.58
2012.33    0.145   283.72
2012.43    0.146   283.85
2012.53    0.146   283.98
2012.63    0.147   284.11
2012.73    0.148   284.24
2012.83    0.149   284.36
2012.93    0.150   284.49
2013.03    0.150   284.61
2013.13    0.151   284.74
2013.23    0.152   284.86
2013.33    0.153   284.98
2013.43    0.153   285.10
2013.53    0.154   285.21
2013.63    0.155   285.33
2013.73    0.155   285.45
2013.83    0.156   285.56
2013.93    0.157   285.67
2014.03    0.157   285.79
2014.13    0.158   285.90
2014.23    0.159   286.01
2014.33    0.159   286.12
2014.43    0.160   286.23
2014.53    0.161   286.34
2014.63    0.161   286.44
2014.73    0.162   286.55
2014.83    0.162   286.66
2014.93    0.163   286.76
2015.03    0.163   286.87
2015.13    0.164   286.97
2015.23    0.164   287.07
2015.33    0.165   287.18
2015.43    0.165   287.28
2015.53    0.166   287.38
2015.63    0.166   287.48
2015.73    0.167   287.58
2015.83    0.167   287.68
2015.93    0.168   287.78
2016.03    0.168   287.88
2016.13    0.169   287.98
2016.23    0.169   288.07
2016.33    0.169   288.17
2016.43    0.170   288.27
2016.53    0.170   288.37
2016.63    0.171   288.46
2016.73    0.171   288.56
2016.83    0.171   288.65
2016.93    0.172   288.75
2017.03    0.172   288.84
2017.13    0.172   288.93
2017.23    0.173   289.03
2017.33    0.173   289.12
2017.43    0.173   289.21
2017.53    0.174   289.31
2017.63    0.174   289.40
2017.73    0.174   289.49
2017.83    0.174   289.58
2017.93    0.175   289.67
2018.03    0.175   289.76
2018.13    0.175   289.86
2018.23    0.175   289.95
2018.33    0.175   290.04
2018.43    0.176   290.13
2018.53    0.176   290.22
2018.63    0.176   290.31
2018.73    0.176   290.40
2018.83    0.176   290.49
2018.93    0.177   290.58
2019.03    0.177   290.66
2019.13    0.177   290.75
2019.23    0.177   290.84
2019.33    0.177   290.93
2019.43    0.177   291.02
2019.53    0.177   291.11
2019.63    0.177   291.20
2019.73    0.177   291.29
2019.83    0.178   291.37
2019.93    0.178   291.46
2020.03    0.178   291.55
2020.13    0.178   291.64
2020.23    0.178   291.73
2020.33    0.178   291.82
2020.43    0.178   291.90
2020.53    0.178   291.99
2020.63    0.178   292.08
2020.73    0.178   292.17
2020.83    0.178   292.26
2020.93    0.178   292.34
2021.03    0.178   292.43
2021.13    0.178   292.52
2021.23    0.178   292.61
2021.33    0.177   292.70
2021.43    0.177   292.78
2021.53    0.177   292.87
2021.63    0.177   292.96
2021.73    0.177   293.05
2021.83    0.177   293.14
2021.93    0.177   293.23
2022.03    0.177   293.32
2022.13    0.177   293.41
2022.23    0.176   293.50
2022.33    0.176   293.59
2022.43    0.176   293.68
2022.53    0.176   293.76
2022.63    0.176   293.85
2022.73    0.176   293.95
2022.83    0.175   294.04
2022.93    0.175   294.13
2023.03    0.175   294.22
2023.13    0.175   294.31
2023.23    0.174   294.40
2023.33    0.174   294.49
2023.43    0.174   294.58
2023.53    0.174   294.68
2023.63    0.173   294.77
2023.73    0.173   294.86
2023.83    0.173   294.95
2023.93    0.172   295.05
2024.03    0.172   295.14
2024.13    0.172   295.24
2024.23    0.171   295.33
2024.33    0.171   295.42
2024.43    0.171   295.52
2024.53    0.170   295.62
2024.63    0.170   295.71
2024.73    0.170   295.81
2024.83    0.169   295.91
2024.93    0.169   296.00
2025.03    0.168   296.10
2025.13    0.168   296.20
2025.23    0.167   296.30
2025.33    0.167   296.40
2025.43    0.166   296.50
2025.53    0.166   296.60
2025.63    0.166   296.70
2025.73    0.165   296.80
2025.83    0.165   296.90
2025.93    0.164   297.01
2026.03    0.163   297.11
2026.13    0.163   297.22
2026.23    0.162   297.32
2026.33    0.162   297.43
2026.43    0.161   297.53
2026.53    0.161   297.64
2026.63    0.160   297.75
2026.73    0.159   297.86
2026.83    0.159   297.97
2026.93    0.158   298.08
2027.03    0.158   298.19
2027.13    0.157   298.30
2027.23    0.156   298.42
2027.33    0.156   298.53
2027.43    0.155   298.65
2027.53    0.154   298.76
2027.63    0.153   298.88
2027.73    0.153   299.00
2027.83    0.152   299.12
2027.93    0.151   299.24
2028.03    0.151   299.36
2028.13    0.150   299.49
2028.23    0.149   299.61
2028.33    0.148   299.74
2028.43    0.147   299.86
2028.53    0.147   299.99
2028.63    0.146   300.12
2028.73    0.145   300.26
2028.83    0.144   300.39
2028.93    0.143   300.52
2029.03    0.142   300.66
2029.13    0.141   300.80
2029.23    0.140   300.94
2029.33    0.139   301.08
2029.43    0.138   301.23
2029.53    0.138   301.37
2029.63    0.137   301.52
2029.73    0.136   301.67
2029.83    0.135   301.82
2029.93    0.134   301.98
2030.03    0.132   302.14
2030.13    0.131   302.30
2030.23    0.130   302.46
2030.33    0.129   302.62
2030.43    0.128   302.79
2030.53    0.127   302.96
2030.63    0.126   303.14
2030.73    0.125   303.31
2030.83    0.124   303.49
2030.93    0.122   303.68
2031.03    0.121   303.86
2031.13    0.120   304.06
2031.23    0.119   304.25
2031.33    0.117   304.45
2031.43    0.116   304.66
2031.53    0.115   304.86
2031.63    0.113   305.08
2031.73    0.112   305.30
2031.83    0.111   305.52
2031.93    0.109   305.75
2032.03    0.108   305.99
2032.13    0.107   306.23
2032.23    0.105   306.48
2032.33    0.104   306.73
2032.43    0.102   307.00
2032.53    0.101   307.27
2032.63    0.099   307.55
2032.73    0.097   307.84
2032.83    0.096   308.13
2032.93    0.094   308.44
2033.03    0.092   308.76
2033.13    0.091   309.09
2033.23    0.089   309.44
2033.33    0.087   309.80
2033.43    0.085   310.17
2033.53    0.084   310.56
2033.63    0.082   310.97
2033.73    0.080   311.40
2033.83    0.078   311.84
2033.93    0.076   312.32
2034.03    0.074   312.81
2034.13    0.072   313.34
2034.23    0.070   313.90
2034.33    0.067   314.49
2034.43    0.065   315.12
2034.53    0.063   315.80
2034.63    0.061   316.53
2034.73    0.058   317.32
2034.83    0.056   318.18
2034.93    0.053   319.12
2035.03    0.051   320.16
2035.13    0.048   321.31
2035.23    0.045   322.60
2035.33    0.042   324.06
2035.43    0.039   325.75
2035.53    0.036   327.72
2035.63    0.033   330.06
2035.73    0.029   332.94
2035.83    0.026   336.58
2035.93    0.022   341.42
2036.03    0.018   348.28
2036.13    0.014   358.99
2036.23    0.010    18.36
2036.33    0.007    58.95
2036.43    0.006   126.16
2036.53    0.008   185.00
2036.63    0.012   214.99
2036.73    0.016   229.96
2036.83    0.020   238.79
2036.93    0.024   244.70
2037.03    0.027   248.99
2037.13    0.031   252.29
2037.23    0.034   254.93
2037.33    0.037   257.11
2037.43    0.040   258.96
2037.53    0.043   260.55
2037.63    0.046   261.94
2037.73    0.049   263.17
2037.83    0.052   264.27
2037.93    0.054   265.27
2038.03    0.057   266.17
2038.13    0.059   267.00
2038.23    0.062   267.77
2038.33    0.064   268.48
2038.43    0.066   269.14
2038.53    0.068   269.75
2038.63    0.070   270.33
2038.73    0.073   270.88
2038.83    0.075   271.39
2038.93    0.077   271.88
2039.03    0.079   272.34
2039.13    0.081   272.78
2039.23    0.082   273.20
2039.33    0.084   273.60
2039.43    0.086   273.98
2039.53    0.088   274.35
2039.63    0.090   274.70
2039.73    0.091   275.04
2039.83    0.093   275.37
2039.93    0.095   275.68
2040.03    0.096   275.99
2040.13    0.098   276.28
2040.23    0.100   276.57
2040.33    0.101   276.84
2040.43    0.103   277.11
2040.53    0.104   277.37
2040.63    0.106   277.62
2040.73    0.107   277.87
2040.83    0.109   278.11



 

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 15:40:51


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