Double Star Calculator - Orbit

Orbital Elements for A225
WDS: A225 WDS ID/Discoverer
P: 43.340 Orbital period (years)
a: 0.129 Semi-major axis (arcseconds)
i: 114.4 Inclination (degrees)
Ω: 117.5 Longitude of ascending node (degrees)
T: 2005.900 Epoch of periastron passage (year)
e: 0.489 Eccentricity
ω: 183.1 Longitude of periastron (degrees)
Start-Year: 2003.33 Year
End-Year: 2046.67 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for A225
Position: 161949.63+264638.7 Epoch-2000 right ascension and declination
WDS-ID: 16198+2647 WDS designation
Discoverer Code: A225 Discover designation and components
ADS number: 10007 Aitken Double Star catalog
HD number: 147251 HD catalog number
Hipparcos number: 79999 Hipparcos catalog number
V1: 10.04 Magnitude of the primary
V2: 9.79 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2005 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: Doc2008a Reference

Double Star Orbit for A225



WDS 6th Orbit including measures of A225

-- 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 A225
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.192   117.67
--------------------------
2003.33    0.050   332.18
2003.43    0.051   330.21
2003.53    0.052   328.32
2003.63    0.053   326.50
2003.73    0.054   324.74
2003.83    0.055   323.05
2003.93    0.056   321.42
2004.03    0.057   319.84
2004.13    0.058   318.31
2004.23    0.059   316.84
2004.33    0.059   315.40
2004.43    0.060   314.01
2004.53    0.061   312.65
2004.63    0.062   311.33
2004.73    0.062   310.04
2004.83    0.063   308.78
2004.93    0.064   307.54
2005.03    0.064   306.32
2005.13    0.065   305.12
2005.23    0.065   303.94
2005.33    0.065   302.77
2005.43    0.066   301.61
2005.53    0.066   300.46
2005.63    0.066   299.31
2005.73    0.066   298.17
2005.83    0.066   297.02
2005.93    0.066   295.87
2006.03    0.066   294.72
2006.13    0.065   293.56
2006.23    0.065   292.38
2006.33    0.065   291.19
2006.43    0.064   289.99
2006.53    0.063   288.76
2006.63    0.063   287.51
2006.73    0.062   286.24
2006.83    0.061   284.93
2006.93    0.061   283.59
2007.03    0.060   282.21
2007.13    0.059   280.79
2007.23    0.058   279.33
2007.33    0.057   277.81
2007.43    0.056   276.24
2007.53    0.055   274.61
2007.63    0.054   272.92
2007.73    0.053   271.16
2007.83    0.052   269.32
2007.93    0.050   267.41
2008.03    0.049   265.41
2008.13    0.048   263.32
2008.23    0.047   261.14
2008.33    0.046   258.86
2008.43    0.045   256.48
2008.53    0.044   253.99
2008.63    0.043   251.40
2008.73    0.043   248.70
2008.83    0.042   245.90
2008.93    0.041   242.99
2009.03    0.040   239.99
2009.13    0.040   236.90
2009.23    0.039   233.74
2009.33    0.039   230.50
2009.43    0.039   227.22
2009.53    0.039   223.90
2009.63    0.039   220.56
2009.73    0.039   217.22
2009.83    0.039   213.91
2009.93    0.039   210.63
2010.03    0.040   207.41
2010.13    0.040   204.25
2010.23    0.041   201.19
2010.33    0.041   198.21
2010.43    0.042   195.34
2010.53    0.043   192.57
2010.63    0.044   189.92
2010.73    0.045   187.38
2010.83    0.046   184.96
2010.93    0.047   182.64
2011.03    0.048   180.44
2011.13    0.049   178.35
2011.23    0.051   176.36
2011.33    0.052   174.46
2011.43    0.053   172.67
2011.53    0.055   170.96
2011.63    0.056   169.33
2011.73    0.058   167.79
2011.83    0.059   166.32
2011.93    0.060   164.93
2012.03    0.062   163.60
2012.13    0.063   162.33
2012.23    0.065   161.12
2012.33    0.066   159.97
2012.43    0.068   158.87
2012.53    0.070   157.81
2012.63    0.071   156.81
2012.73    0.073   155.84
2012.83    0.074   154.92
2012.93    0.076   154.03
2013.03    0.077   153.18
2013.13    0.079   152.36
2013.23    0.080   151.58
2013.33    0.082   150.82
2013.43    0.083   150.10
2013.53    0.085   149.39
2013.63    0.087   148.72
2013.73    0.088   148.06
2013.83    0.090   147.43
2013.93    0.091   146.82
2014.03    0.093   146.23
2014.13    0.094   145.66
2014.23    0.096   145.11
2014.33    0.097   144.57
2014.43    0.099   144.05
2014.53    0.100   143.55
2014.63    0.101   143.06
2014.73    0.103   142.58
2014.83    0.104   142.11
2014.93    0.106   141.66
2015.03    0.107   141.22
2015.13    0.109   140.80
2015.23    0.110   140.38
2015.33    0.111   139.97
2015.43    0.113   139.58
2015.53    0.114   139.19
2015.63    0.116   138.81
2015.73    0.117   138.44
2015.83    0.118   138.08
2015.93    0.119   137.73
2016.03    0.121   137.39
2016.13    0.122   137.05
2016.23    0.123   136.72
2016.33    0.125   136.39
2016.43    0.126   136.08
2016.53    0.127   135.77
2016.63    0.128   135.46
2016.73    0.130   135.16
2016.83    0.131   134.87
2016.93    0.132   134.58
2017.03    0.133   134.30
2017.13    0.134   134.02
2017.23    0.136   133.74
2017.33    0.137   133.48
2017.43    0.138   133.21
2017.53    0.139   132.95
2017.63    0.140   132.70
2017.73    0.141   132.44
2017.83    0.142   132.20
2017.93    0.143   131.95
2018.03    0.144   131.71
2018.13    0.146   131.47
2018.23    0.147   131.24
2018.33    0.148   131.01
2018.43    0.149   130.78
2018.53    0.150   130.56
2018.63    0.151   130.34
2018.73    0.152   130.12
2018.83    0.153   129.91
2018.93    0.154   129.69
2019.03    0.154   129.48
2019.13    0.155   129.28
2019.23    0.156   129.07
2019.33    0.157   128.87
2019.43    0.158   128.67
2019.53    0.159   128.47
2019.63    0.160   128.27
2019.73    0.161   128.08
2019.83    0.162   127.89
2019.93    0.162   127.70
2020.03    0.163   127.51
2020.13    0.164   127.32
2020.23    0.165   127.14
2020.33    0.166   126.96
2020.43    0.166   126.78
2020.53    0.167   126.60
2020.63    0.168   126.42
2020.73    0.169   126.25
2020.83    0.169   126.07
2020.93    0.170   125.90
2021.03    0.171   125.73
2021.13    0.172   125.56
2021.23    0.172   125.39
2021.33    0.173   125.22
2021.43    0.174   125.05
2021.53    0.174   124.89
2021.63    0.175   124.73
2021.73    0.175   124.56
2021.83    0.176   124.40
2021.93    0.177   124.24
2022.03    0.177   124.08
2022.13    0.178   123.93
2022.23    0.178   123.77
2022.33    0.179   123.61
2022.43    0.179   123.46
2022.53    0.180   123.30
2022.63    0.181   123.15
2022.73    0.181   123.00
2022.83    0.182   122.85
2022.93    0.182   122.70
2023.03    0.182   122.55
2023.13    0.183   122.40
2023.23    0.183   122.25
2023.33    0.184   122.10
2023.43    0.184   121.95
2023.53    0.185   121.81
2023.63    0.185   121.66
2023.73    0.185   121.52
2023.83    0.186   121.37
2023.93    0.186   121.23
2024.03    0.187   121.08
2024.13    0.187   120.94
2024.23    0.187   120.80
2024.33    0.188   120.66
2024.43    0.188   120.52
2024.53    0.188   120.38
2024.63    0.188   120.23
2024.73    0.189   120.09
2024.83    0.189   119.95
2024.93    0.189   119.82
2025.03    0.189   119.68
2025.13    0.190   119.54
2025.23    0.190   119.40
2025.33    0.190   119.26
2025.43    0.190   119.12
2025.53    0.191   118.99
2025.63    0.191   118.85
2025.73    0.191   118.71
2025.83    0.191   118.58
2025.93    0.191   118.44
2026.03    0.191   118.30
2026.13    0.191   118.17
2026.23    0.192   118.03
2026.33    0.192   117.90
2026.43    0.192   117.76
2026.53    0.192   117.62
2026.63    0.192   117.49
2026.73    0.192   117.35
2026.83    0.192   117.22
2026.93    0.192   117.08
2027.03    0.192   116.95
2027.13    0.192   116.81
2027.23    0.192   116.68
2027.33    0.192   116.54
2027.43    0.192   116.41
2027.53    0.192   116.27
2027.63    0.192   116.14
2027.73    0.192   116.00
2027.83    0.192   115.87
2027.93    0.192   115.73
2028.03    0.192   115.59
2028.13    0.191   115.46
2028.23    0.191   115.32
2028.33    0.191   115.19
2028.43    0.191   115.05
2028.53    0.191   114.91
2028.63    0.191   114.78
2028.73    0.191   114.64
2028.83    0.190   114.50
2028.93    0.190   114.36
2029.03    0.190   114.23
2029.13    0.190   114.09
2029.23    0.189   113.95
2029.33    0.189   113.81
2029.43    0.189   113.67
2029.53    0.189   113.53
2029.63    0.188   113.39
2029.73    0.188   113.25
2029.83    0.188   113.11
2029.93    0.188   112.97
2030.03    0.187   112.83
2030.13    0.187   112.69
2030.23    0.187   112.54
2030.33    0.186   112.40
2030.43    0.186   112.26
2030.53    0.186   112.11
2030.63    0.185   111.97
2030.73    0.185   111.82
2030.83    0.184   111.67
2030.93    0.184   111.53
2031.03    0.183   111.38
2031.13    0.183   111.23
2031.23    0.183   111.08
2031.33    0.182   110.93
2031.43    0.182   110.78
2031.53    0.181   110.63
2031.63    0.181   110.48
2031.73    0.180   110.33
2031.83    0.180   110.17
2031.93    0.179   110.02
2032.03    0.179   109.86
2032.13    0.178   109.70
2032.23    0.177   109.55
2032.33    0.177   109.39
2032.43    0.176   109.23
2032.53    0.176   109.07
2032.63    0.175   108.91
2032.73    0.175   108.74
2032.83    0.174   108.58
2032.93    0.173   108.41
2033.03    0.173   108.25
2033.13    0.172   108.08
2033.23    0.171   107.91
2033.33    0.171   107.74
2033.43    0.170   107.57
2033.53    0.169   107.39
2033.63    0.168   107.22
2033.73    0.168   107.04
2033.83    0.167   106.87
2033.93    0.166   106.69
2034.03    0.165   106.50
2034.13    0.165   106.32
2034.23    0.164   106.14
2034.33    0.163   105.95
2034.43    0.162   105.76
2034.53    0.161   105.57
2034.63    0.161   105.38
2034.73    0.160   105.19
2034.83    0.159   104.99
2034.93    0.158   104.79
2035.03    0.157   104.59
2035.13    0.156   104.39
2035.23    0.155   104.18
2035.33    0.154   103.98
2035.43    0.154   103.77
2035.53    0.153   103.55
2035.63    0.152   103.34
2035.73    0.151   103.12
2035.83    0.150   102.90
2035.93    0.149   102.68
2036.03    0.148   102.45
2036.13    0.147   102.22
2036.23    0.146   101.99
2036.33    0.145   101.75
2036.43    0.144   101.51
2036.53    0.143   101.27
2036.63    0.142   101.02
2036.73    0.141   100.77
2036.83    0.139   100.52
2036.93    0.138   100.26
2037.03    0.137   100.00
2037.13    0.136    99.73
2037.23    0.135    99.46
2037.33    0.134    99.19
2037.43    0.133    98.91
2037.53    0.132    98.62
2037.63    0.130    98.33
2037.73    0.129    98.04
2037.83    0.128    97.74
2037.93    0.127    97.43
2038.03    0.126    97.12
2038.13    0.124    96.80
2038.23    0.123    96.47
2038.33    0.122    96.14
2038.43    0.121    95.81
2038.53    0.120    95.46
2038.63    0.118    95.11
2038.73    0.117    94.75
2038.83    0.116    94.38
2038.93    0.114    94.00
2039.03    0.113    93.62
2039.13    0.112    93.22
2039.23    0.110    92.82
2039.33    0.109    92.41
2039.43    0.108    91.98
2039.53    0.106    91.55
2039.63    0.105    91.10
2039.73    0.104    90.65
2039.83    0.102    90.18
2039.93    0.101    89.70
2040.03    0.100    89.20
2040.13    0.098    88.69
2040.23    0.097    88.16
2040.33    0.095    87.62
2040.43    0.094    87.07
2040.53    0.092    86.49
2040.63    0.091    85.90
2040.73    0.090    85.29
2040.83    0.088    84.66
2040.93    0.087    84.01
2041.03    0.085    83.33
2041.13    0.084    82.64
2041.23    0.082    81.91
2041.33    0.081    81.17
2041.43    0.079    80.39
2041.53    0.078    79.59
2041.63    0.076    78.75
2041.73    0.075    77.88
2041.83    0.074    76.98
2041.93    0.072    76.04
2042.03    0.071    75.06
2042.13    0.069    74.05
2042.23    0.068    72.99
2042.33    0.066    71.88
2042.43    0.065    70.72
2042.53    0.064    69.52
2042.63    0.062    68.25
2042.73    0.061    66.94
2042.83    0.059    65.56
2042.93    0.058    64.11
2043.03    0.057    62.60
2043.13    0.055    61.02
2043.23    0.054    59.36
2043.33    0.053    57.63
2043.43    0.052    55.82
2043.53    0.051    53.92
2043.63    0.050    51.93
2043.73    0.048    49.85
2043.83    0.047    47.68
2043.93    0.046    45.42
2044.03    0.046    43.07
2044.13    0.045    40.62
2044.23    0.044    38.09
2044.33    0.043    35.46
2044.43    0.043    32.76
2044.53    0.042    29.98
2044.63    0.042    27.13
2044.73    0.041    24.22
2044.83    0.041    21.27
2044.93    0.041    18.28
2045.03    0.041    15.27
2045.13    0.041    12.25
2045.23    0.041     9.23
2045.33    0.041     6.24
2045.43    0.041     3.27
2045.53    0.041     0.35
2045.63    0.042   357.48
2045.73    0.042   354.67
2045.83    0.043   351.93
2045.93    0.044   349.27
2046.03    0.044   346.69
2046.13    0.045   344.20
2046.23    0.046   341.79
2046.33    0.047   339.46
2046.43    0.048   337.22
2046.53    0.049   335.06
2046.63    0.049   332.99






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 17:25:13



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