Double Star Calculator - Orbit

Orbital Elements for MLR182AA,AB
WDS: MLR182AA,AB WDS ID/Discoverer
P: 39.720 Orbital period (years)
a: 0.233 Semi-major axis (arcseconds)
i: 124.7 Inclination (degrees)
Ω: 293.4 Longitude of ascending node (degrees)
T: 1995.560 Epoch of periastron passage (year)
e: 0.399 Eccentricity
ω: 45.2 Longitude of periastron (degrees)
Start-Year: 2005.14 Year
End-Year: 2044.86 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for MLR182AA,AB
Position: 164436.02+714525.0 Epoch-2000 right ascension and declination
WDS-ID: 16446+7145 WDS designation
Discoverer Code: MLR182AA,AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 152027 HD catalog number
Hipparcos number: 81961 Hipparcos catalog number
V1: 9.15 Magnitude of the primary
V2: 10.21 Magnitude of the secondary
Equinox: Equinox
Date: 2008 Date of last observation
Orbit grade: 4 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Tok2020i Reference

Double Star Orbit for MLR182AA,AB



WDS 6th Orbit including measures of MLR182AA,AB

-- 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 MLR182AA,AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.149     4.28
--------------------------
2005.14    0.262   116.43
2005.24    0.263   116.06
2005.34    0.265   115.69
2005.44    0.266   115.32
2005.54    0.267   114.96
2005.64    0.268   114.60
2005.74    0.270   114.25
2005.84    0.271   113.90
2005.94    0.272   113.55
2006.04    0.273   113.20
2006.14    0.274   112.86
2006.24    0.275   112.52
2006.34    0.276   112.18
2006.44    0.277   111.85
2006.54    0.278   111.52
2006.64    0.279   111.19
2006.74    0.280   110.86
2006.84    0.281   110.53
2006.94    0.282   110.21
2007.04    0.283   109.88
2007.14    0.284   109.56
2007.24    0.284   109.25
2007.34    0.285   108.93
2007.44    0.286   108.61
2007.54    0.286   108.30
2007.64    0.287   107.99
2007.74    0.288   107.68
2007.84    0.288   107.37
2007.94    0.289   107.06
2008.04    0.289   106.75
2008.14    0.290   106.44
2008.24    0.290   106.14
2008.34    0.291   105.84
2008.44    0.291   105.53
2008.54    0.292   105.23
2008.64    0.292   104.93
2008.74    0.292   104.63
2008.84    0.293   104.33
2008.94    0.293   104.03
2009.04    0.293   103.73
2009.14    0.293   103.43
2009.24    0.294   103.13
2009.34    0.294   102.83
2009.44    0.294   102.54
2009.54    0.294   102.24
2009.64    0.294   101.94
2009.74    0.294   101.64
2009.84    0.294   101.35
2009.94    0.294   101.05
2010.04    0.294   100.76
2010.14    0.294   100.46
2010.24    0.294   100.16
2010.34    0.294    99.87
2010.44    0.294    99.57
2010.54    0.294    99.27
2010.64    0.294    98.97
2010.74    0.294    98.68
2010.84    0.294    98.38
2010.94    0.293    98.08
2011.04    0.293    97.78
2011.14    0.293    97.48
2011.24    0.293    97.18
2011.34    0.292    96.88
2011.44    0.292    96.58
2011.54    0.292    96.28
2011.64    0.291    95.98
2011.74    0.291    95.68
2011.84    0.291    95.37
2011.94    0.290    95.07
2012.04    0.290    94.76
2012.14    0.289    94.46
2012.24    0.289    94.15
2012.34    0.288    93.84
2012.44    0.288    93.53
2012.54    0.287    93.22
2012.64    0.287    92.91
2012.74    0.286    92.60
2012.84    0.286    92.28
2012.94    0.285    91.97
2013.04    0.284    91.65
2013.14    0.284    91.33
2013.24    0.283    91.01
2013.34    0.282    90.69
2013.44    0.282    90.37
2013.54    0.281    90.04
2013.64    0.280    89.72
2013.74    0.280    89.39
2013.84    0.279    89.06
2013.94    0.278    88.73
2014.04    0.277    88.40
2014.14    0.276    88.06
2014.24    0.276    87.72
2014.34    0.275    87.38
2014.44    0.274    87.04
2014.54    0.273    86.70
2014.64    0.272    86.35
2014.74    0.271    86.01
2014.84    0.270    85.66
2014.94    0.269    85.30
2015.04    0.268    84.95
2015.14    0.268    84.59
2015.24    0.267    84.23
2015.34    0.266    83.87
2015.44    0.265    83.50
2015.54    0.264    83.13
2015.64    0.263    82.76
2015.74    0.261    82.39
2015.84    0.260    82.01
2015.94    0.259    81.63
2016.04    0.258    81.25
2016.14    0.257    80.86
2016.24    0.256    80.47
2016.34    0.255    80.08
2016.44    0.254    79.68
2016.54    0.253    79.28
2016.64    0.252    78.88
2016.74    0.250    78.47
2016.84    0.249    78.06
2016.94    0.248    77.64
2017.04    0.247    77.22
2017.14    0.246    76.80
2017.24    0.244    76.37
2017.34    0.243    75.94
2017.44    0.242    75.50
2017.54    0.241    75.06
2017.64    0.240    74.62
2017.74    0.238    74.17
2017.84    0.237    73.71
2017.94    0.236    73.25
2018.04    0.235    72.79
2018.14    0.233    72.32
2018.24    0.232    71.84
2018.34    0.231    71.36
2018.44    0.229    70.88
2018.54    0.228    70.39
2018.64    0.227    69.89
2018.74    0.225    69.39
2018.84    0.224    68.88
2018.94    0.223    68.37
2019.04    0.222    67.85
2019.14    0.220    67.32
2019.24    0.219    66.79
2019.34    0.218    66.25
2019.44    0.216    65.70
2019.54    0.215    65.15
2019.64    0.214    64.59
2019.74    0.212    64.02
2019.84    0.211    63.45
2019.94    0.210    62.87
2020.04    0.208    62.28
2020.14    0.207    61.68
2020.24    0.206    61.08
2020.34    0.204    60.46
2020.44    0.203    59.84
2020.54    0.202    59.22
2020.64    0.200    58.58
2020.74    0.199    57.93
2020.84    0.198    57.28
2020.94    0.196    56.62
2021.04    0.195    55.95
2021.14    0.194    55.27
2021.24    0.192    54.58
2021.34    0.191    53.88
2021.44    0.190    53.17
2021.54    0.189    52.45
2021.64    0.187    51.72
2021.74    0.186    50.99
2021.84    0.185    50.24
2021.94    0.184    49.48
2022.04    0.182    48.71
2022.14    0.181    47.93
2022.24    0.180    47.15
2022.34    0.179    46.35
2022.44    0.178    45.54
2022.54    0.176    44.72
2022.64    0.175    43.89
2022.74    0.174    43.04
2022.84    0.173    42.19
2022.94    0.172    41.33
2023.04    0.171    40.45
2023.14    0.170    39.57
2023.24    0.169    38.67
2023.34    0.168    37.76
2023.44    0.167    36.84
2023.54    0.166    35.91
2023.64    0.165    34.97
2023.74    0.164    34.02
2023.84    0.163    33.06
2023.94    0.162    32.09
2024.04    0.161    31.10
2024.14    0.160    30.11
2024.24    0.160    29.11
2024.34    0.159    28.09
2024.44    0.158    27.07
2024.54    0.157    26.03
2024.64    0.157    24.99
2024.74    0.156    23.94
2024.84    0.155    22.88
2024.94    0.155    21.81
2025.04    0.154    20.73
2025.14    0.154    19.64
2025.24    0.153    18.55
2025.34    0.152    17.45
2025.44    0.152    16.34
2025.54    0.152    15.23
2025.64    0.151    14.11
2025.74    0.151    12.98
2025.84    0.151    11.85
2025.94    0.150    10.71
2026.04    0.150     9.57
2026.14    0.150     8.43
2026.24    0.149     7.28
2026.34    0.149     6.13
2026.44    0.149     4.97
2026.54    0.149     3.82
2026.64    0.149     2.66
2026.74    0.149     1.50
2026.84    0.149     0.35
2026.94    0.149   359.19
2027.04    0.149   358.03
2027.14    0.149   356.87
2027.24    0.149   355.72
2027.34    0.149   354.56
2027.44    0.149   353.41
2027.54    0.150   352.26
2027.64    0.150   351.12
2027.74    0.150   349.97
2027.84    0.150   348.83
2027.94    0.151   347.70
2028.04    0.151   346.57
2028.14    0.151   345.44
2028.24    0.151   344.32
2028.34    0.152   343.20
2028.44    0.152   342.09
2028.54    0.153   340.98
2028.64    0.153   339.88
2028.74    0.153   338.79
2028.84    0.154   337.70
2028.94    0.154   336.61
2029.04    0.155   335.54
2029.14    0.155   334.46
2029.24    0.155   333.40
2029.34    0.156   332.34
2029.44    0.156   331.28
2029.54    0.157   330.24
2029.64    0.157   329.19
2029.74    0.158   328.16
2029.84    0.158   327.13
2029.94    0.158   326.10
2030.04    0.159   325.08
2030.14    0.159   324.07
2030.24    0.160   323.06
2030.34    0.160   322.05
2030.44    0.160   321.05
2030.54    0.161   320.05
2030.64    0.161   319.06
2030.74    0.161   318.07
2030.84    0.161   317.08
2030.94    0.162   316.09
2031.04    0.162   315.11
2031.14    0.162   314.13
2031.24    0.162   313.15
2031.34    0.162   312.17
2031.44    0.162   311.20
2031.54    0.162   310.22
2031.64    0.162   309.24
2031.74    0.162   308.26
2031.84    0.162   307.28
2031.94    0.161   306.29
2032.04    0.161   305.31
2032.14    0.161   304.31
2032.24    0.160   303.32
2032.34    0.160   302.32
2032.44    0.159   301.31
2032.54    0.159   300.29
2032.64    0.158   299.27
2032.74    0.157   298.23
2032.84    0.156   297.19
2032.94    0.156   296.14
2033.04    0.155   295.07
2033.14    0.154   293.99
2033.24    0.152   292.89
2033.34    0.151   291.77
2033.44    0.150   290.64
2033.54    0.148   289.48
2033.64    0.147   288.31
2033.74    0.146   287.11
2033.84    0.144   285.88
2033.94    0.142   284.63
2034.04    0.140   283.34
2034.14    0.139   282.02
2034.24    0.137   280.66
2034.34    0.135   279.27
2034.44    0.133   277.83
2034.54    0.131   276.35
2034.64    0.128   274.82
2034.74    0.126   273.23
2034.84    0.124   271.59
2034.94    0.122   269.89
2035.04    0.119   268.12
2035.14    0.117   266.28
2035.24    0.115   264.36
2035.34    0.112   262.37
2035.44    0.110   260.29
2035.54    0.108   258.12
2035.64    0.105   255.86
2035.74    0.103   253.50
2035.84    0.101   251.04
2035.94    0.099   248.47
2036.04    0.097   245.80
2036.14    0.095   243.02
2036.24    0.093   240.13
2036.34    0.092   237.14
2036.44    0.090   234.04
2036.54    0.089   230.86
2036.64    0.088   227.59
2036.74    0.087   224.25
2036.84    0.087   220.85
2036.94    0.086   217.41
2037.04    0.086   213.95
2037.14    0.086   210.48
2037.24    0.086   207.02
2037.34    0.087   203.60
2037.44    0.088   200.22
2037.54    0.089   196.91
2037.64    0.090   193.68
2037.74    0.091   190.54
2037.84    0.093   187.50
2037.94    0.094   184.57
2038.04    0.096   181.75
2038.14    0.098   179.04
2038.24    0.101   176.45
2038.34    0.103   173.97
2038.44    0.105   171.61
2038.54    0.108   169.35
2038.64    0.111   167.20
2038.74    0.113   165.15
2038.84    0.116   163.20
2038.94    0.119   161.34
2039.04    0.122   159.57
2039.14    0.125   157.88
2039.24    0.128   156.26
2039.34    0.131   154.73
2039.44    0.134   153.26
2039.54    0.137   151.85
2039.64    0.140   150.50
2039.74    0.143   149.22
2039.84    0.146   147.98
2039.94    0.149   146.80
2040.04    0.152   145.66
2040.14    0.155   144.57
2040.24    0.158   143.52
2040.34    0.161   142.51
2040.44    0.164   141.53
2040.54    0.167   140.59
2040.64    0.170   139.68
2040.74    0.172   138.80
2040.84    0.175   137.95
2040.94    0.178   137.13
2041.04    0.181   136.34
2041.14    0.184   135.56
2041.24    0.187   134.81
2041.34    0.189   134.09
2041.44    0.192   133.38
2041.54    0.195   132.69
2041.64    0.197   132.02
2041.74    0.200   131.37
2041.84    0.202   130.73
2041.94    0.205   130.11
2042.04    0.207   129.51
2042.14    0.210   128.92
2042.24    0.212   128.34
2042.34    0.214   127.78
2042.44    0.217   127.22
2042.54    0.219   126.68
2042.64    0.221   126.15
2042.74    0.224   125.63
2042.84    0.226   125.12
2042.94    0.228   124.63
2043.04    0.230   124.14
2043.14    0.232   123.65
2043.24    0.234   123.18
2043.34    0.236   122.72
2043.44    0.238   122.26
2043.54    0.240   121.81
2043.64    0.242   121.37
2043.74    0.244   120.93
2043.84    0.245   120.50
2043.94    0.247   120.08
2044.04    0.249   119.66
2044.14    0.251   119.25
2044.24    0.252   118.84
2044.34    0.254   118.44
2044.44    0.255   118.04
2044.54    0.257   117.65
2044.64    0.259   117.27
2044.74    0.260   116.88
2044.84    0.261   116.51






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 17:30:30



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