Double Star Calculator - Orbit

Orbital Elements for A1101AB
WDS: A1101AB WDS ID/Discoverer
P: 35.390 Orbital period (years)
a: 0.26 Semi-major axis (arcseconds)
i: 122.6 Inclination (degrees)
Ω: 2.3 Longitude of ascending node (degrees)
T: 2000.720 Epoch of periastron passage (year)
e: 0.825 Eccentricity
ω: 301.3 Longitude of periastron (degrees)
Start-Year: 2007.305 Year
End-Year: 2042.695 Year
Epoch: 2026.5 Besselian Epoch
 
Further data from the WDS Sixth Catalog of Orbits for A1101AB
Position: 141550.57+101759.3 Epoch-2000 right ascension and declination
WDS-ID: 14158+1018 WDS designation
Discoverer Code: A1101AB Discover designation and components
ADS number: 9185 Aitken Double Star catalog
HD number: 124864 HD catalog number
Hipparcos number: 69684 Hipparcos catalog number
V1: 9.69 Magnitude of the primary
V2: 10.32 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2018 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: Sca2018d Reference

Double Star Orbit for A1101AB



WDS 6th Orbit including measures of A1101AB

-- 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 A1101AB
Click to expand/collapse ephemeris: 
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.331   209.14
--------------------------
2007.31    0.185   258.91
2007.40    0.187   258.30
2007.50    0.189   257.71
2007.60    0.191   257.13
2007.70    0.193   256.56
2007.80    0.194   256.00
2007.90    0.196   255.45
2008.00    0.198   254.91
2008.10    0.200   254.38
2008.20    0.201   253.86
2008.30    0.203   253.35
2008.40    0.205   252.85
2008.50    0.207   252.35
2008.60    0.208   251.87
2008.70    0.210   251.39
2008.80    0.212   250.92
2008.90    0.214   250.46
2009.00    0.215   250.00
2009.10    0.217   249.56
2009.20    0.219   249.11
2009.30    0.220   248.68
2009.40    0.222   248.25
2009.50    0.224   247.83
2009.60    0.225   247.42
2009.70    0.227   247.01
2009.80    0.229   246.61
2009.90    0.230   246.21
2010.00    0.232   245.82
2010.10    0.234   245.43
2010.20    0.235   245.05
2010.30    0.237   244.67
2010.40    0.238   244.30
2010.50    0.240   243.94
2010.60    0.242   243.58
2010.70    0.243   243.22
2010.80    0.245   242.87
2010.90    0.246   242.52
2011.00    0.248   242.18
2011.10    0.249   241.84
2011.20    0.251   241.50
2011.30    0.252   241.17
2011.40    0.254   240.84
2011.50    0.255   240.52
2011.60    0.257   240.20
2011.70    0.258   239.88
2011.80    0.260   239.57
2011.90    0.261   239.26
2012.00    0.262   238.96
2012.10    0.264   238.65
2012.20    0.265   238.35
2012.30    0.267   238.06
2012.40    0.268   237.77
2012.50    0.269   237.48
2012.60    0.271   237.19
2012.70    0.272   236.90
2012.80    0.273   236.62
2012.90    0.275   236.34
2013.00    0.276   236.07
2013.10    0.277   235.79
2013.20    0.279   235.52
2013.30    0.280   235.25
2013.40    0.281   234.99
2013.50    0.282   234.72
2013.60    0.284   234.46
2013.70    0.285   234.20
2013.80    0.286   233.95
2013.90    0.287   233.69
2014.00    0.288   233.44
2014.10    0.290   233.19
2014.20    0.291   232.94
2014.30    0.292   232.69
2014.40    0.293   232.45
2014.50    0.294   232.21
2014.60    0.295   231.97
2014.70    0.297   231.73
2014.80    0.298   231.49
2014.90    0.299   231.25
2015.00    0.300   231.02
2015.10    0.301   230.79
2015.20    0.302   230.56
2015.30    0.303   230.33
2015.40    0.304   230.10
2015.50    0.305   229.88
2015.60    0.306   229.65
2015.70    0.307   229.43
2015.80    0.308   229.21
2015.90    0.309   228.99
2016.00    0.310   228.77
2016.10    0.311   228.55
2016.20    0.312   228.33
2016.30    0.313   228.12
2016.40    0.314   227.91
2016.50    0.315   227.69
2016.60    0.315   227.48
2016.70    0.316   227.27
2016.80    0.317   227.07
2016.90    0.318   226.86
2017.00    0.319   226.65
2017.10    0.320   226.45
2017.20    0.321   226.24
2017.30    0.321   226.04
2017.40    0.322   225.84
2017.50    0.323   225.64
2017.60    0.324   225.43
2017.70    0.324   225.24
2017.80    0.325   225.04
2017.90    0.326   224.84
2018.00    0.327   224.64
2018.10    0.327   224.45
2018.20    0.328   224.25
2018.30    0.329   224.06
2018.40    0.329   223.86
2018.50    0.330   223.67
2018.60    0.331   223.48
2018.70    0.331   223.29
2018.80    0.332   223.10
2018.90    0.332   222.91
2019.00    0.333   222.72
2019.10    0.334   222.53
2019.20    0.334   222.34
2019.30    0.335   222.15
2019.40    0.335   221.97
2019.50    0.336   221.78
2019.60    0.336   221.60
2019.70    0.337   221.41
2019.80    0.337   221.23
2019.90    0.338   221.04
2020.00    0.338   220.86
2020.10    0.338   220.68
2020.20    0.339   220.49
2020.30    0.339   220.31
2020.40    0.340   220.13
2020.50    0.340   219.95
2020.60    0.340   219.77
2020.70    0.341   219.59
2020.80    0.341   219.41
2020.90    0.341   219.23
2021.00    0.342   219.05
2021.10    0.342   218.87
2021.20    0.342   218.69
2021.30    0.342   218.51
2021.40    0.343   218.33
2021.50    0.343   218.15
2021.60    0.343   217.97
2021.70    0.343   217.80
2021.80    0.343   217.62
2021.90    0.343   217.44
2022.00    0.344   217.26
2022.10    0.344   217.09
2022.20    0.344   216.91
2022.30    0.344   216.73
2022.40    0.344   216.55
2022.50    0.344   216.38
2022.60    0.344   216.20
2022.70    0.344   216.02
2022.80    0.344   215.85
2022.90    0.344   215.67
2023.00    0.344   215.49
2023.10    0.344   215.32
2023.20    0.344   215.14
2023.30    0.344   214.96
2023.40    0.344   214.79
2023.50    0.344   214.61
2023.60    0.343   214.43
2023.70    0.343   214.25
2023.80    0.343   214.07
2023.90    0.343   213.90
2024.00    0.343   213.72
2024.10    0.342   213.54
2024.20    0.342   213.36
2024.30    0.342   213.18
2024.40    0.342   213.00
2024.50    0.341   212.82
2024.60    0.341   212.64
2024.70    0.341   212.46
2024.80    0.340   212.28
2024.90    0.340   212.10
2025.00    0.340   211.92
2025.10    0.339   211.74
2025.20    0.339   211.56
2025.30    0.338   211.37
2025.40    0.338   211.19
2025.50    0.337   211.01
2025.60    0.337   210.82
2025.70    0.336   210.64
2025.80    0.336   210.45
2025.90    0.335   210.27
2026.00    0.334   210.08
2026.10    0.334   209.89
2026.20    0.333   209.70
2026.30    0.332   209.51
2026.40    0.332   209.32
2026.50    0.331   209.13
2026.60    0.330   208.94
2026.70    0.329   208.75
2026.80    0.329   208.55
2026.90    0.328   208.36
2027.00    0.327   208.16
2027.10    0.326   207.97
2027.20    0.325   207.77
2027.30    0.324   207.57
2027.40    0.323   207.37
2027.50    0.322   207.17
2027.60    0.321   206.97
2027.70    0.320   206.77
2027.80    0.319   206.56
2027.90    0.318   206.35
2028.00    0.317   206.15
2028.10    0.316   205.94
2028.20    0.315   205.73
2028.30    0.313   205.51
2028.40    0.312   205.30
2028.50    0.311   205.08
2028.60    0.309   204.87
2028.70    0.308   204.65
2028.80    0.307   204.42
2028.90    0.305   204.20
2029.00    0.304   203.98
2029.10    0.302   203.75
2029.20    0.301   203.52
2029.30    0.299   203.29
2029.40    0.298   203.05
2029.50    0.296   202.81
2029.60    0.295   202.57
2029.70    0.293   202.33
2029.80    0.291   202.08
2029.90    0.289   201.84
2030.00    0.288   201.58
2030.10    0.286   201.33
2030.20    0.284   201.07
2030.30    0.282   200.81
2030.40    0.280   200.54
2030.50    0.278   200.27
2030.60    0.276   200.00
2030.70    0.274   199.72
2030.80    0.271   199.44
2030.90    0.269   199.16
2031.00    0.267   198.86
2031.10    0.265   198.57
2031.20    0.262   198.27
2031.30    0.260   197.96
2031.40    0.257   197.65
2031.50    0.255   197.33
2031.60    0.252   197.00
2031.70    0.250   196.67
2031.80    0.247   196.33
2031.90    0.244   195.98
2032.00    0.241   195.62
2032.10    0.238   195.26
2032.20    0.235   194.89
2032.30    0.232   194.50
2032.40    0.229   194.11
2032.50    0.226   193.70
2032.60    0.222   193.29
2032.70    0.219   192.86
2032.80    0.216   192.41
2032.90    0.212   191.96
2033.00    0.208   191.48
2033.10    0.204   190.99
2033.20    0.201   190.48
2033.30    0.197   189.95
2033.40    0.192   189.39
2033.50    0.188   188.82
2033.60    0.184   188.21
2033.70    0.179   187.57
2033.80    0.175   186.91
2033.90    0.170   186.20
2034.00    0.165   185.45
2034.10    0.160   184.66
2034.20    0.154   183.81
2034.30    0.149   182.90
2034.40    0.143   181.91
2034.50    0.137   180.85
2034.60    0.131   179.68
2034.70    0.124   178.40
2034.80    0.118   176.97
2034.90    0.111   175.36
2035.00    0.103   173.53
2035.10    0.096   171.41
2035.20    0.087   168.91
2035.30    0.079   165.88
2035.40    0.070   162.09
2035.50    0.061   157.16
2035.60    0.051   150.42
2035.70    0.042   140.57
2035.80    0.033   125.23
2035.90    0.027   101.28
2036.00    0.026    70.89
2036.10    0.031    44.91
2036.20    0.039    27.49
2036.30    0.046    15.85
2036.40    0.053     7.44
2036.50    0.059     0.87
2036.60    0.065   355.43
2036.70    0.069   350.73
2036.80    0.073   346.55
2036.90    0.076   342.75
2037.00    0.079   339.25
2037.10    0.081   335.98
2037.20    0.084   332.91
2037.30    0.086   330.00
2037.40    0.088   327.23
2037.50    0.090   324.59
2037.60    0.092   322.06
2037.70    0.094   319.63
2037.80    0.096   317.29
2037.90    0.097   315.04
2038.00    0.099   312.88
2038.10    0.101   310.78
2038.20    0.103   308.76
2038.30    0.104   306.81
2038.40    0.106   304.91
2038.50    0.108   303.08
2038.60    0.110   301.31
2038.70    0.111   299.60
2038.80    0.113   297.93
2038.90    0.115   296.32
2039.00    0.117   294.76
2039.10    0.118   293.24
2039.20    0.120   291.77
2039.30    0.122   290.35
2039.40    0.124   288.96
2039.50    0.126   287.62
2039.60    0.127   286.31
2039.70    0.129   285.04
2039.80    0.131   283.80
2039.90    0.133   282.60
2040.00    0.135   281.44
2040.10    0.137   280.30
2040.20    0.139   279.20
2040.30    0.140   278.12
2040.40    0.142   277.07
2040.50    0.144   276.05
2040.60    0.146   275.06
2040.70    0.148   274.09
2040.80    0.150   273.15
2040.90    0.152   272.23
2041.00    0.154   271.33
2041.10    0.156   270.45
2041.20    0.157   269.60
2041.30    0.159   268.76
2041.40    0.161   267.95
2041.50    0.163   267.15
2041.60    0.165   266.37
2041.70    0.167   265.61
2041.80    0.169   264.87
2041.90    0.171   264.14
2042.00    0.172   263.43
2042.10    0.174   262.73
2042.20    0.176   262.05
2042.30    0.178   261.39
2042.40    0.180   260.73
2042.50    0.182   260.09
2042.60    0.184   259.46



 

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 17:04:19


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