Double Star Calculator - Orbit

Orbital Elements for AGC11AB
WDS: AGC11AB WDS ID/Discoverer
P: 23.239 Orbital period (years)
a: 0.13605 Semi-major axis (arcseconds)
i: 132.33 Inclination (degrees)
Ω: 340.97 Longitude of ascending node (degrees)
T: 1979.892 Epoch of periastron passage (year)
e: 0.7948 Eccentricity
ω: 355.3 Longitude of periastron (degrees)
Start-Year: 2013.3804499749365 Year
End-Year: 2036.6195500250635 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for AGC11AB
Position: 194858.65+190831.1 Epoch-2000 right ascension and declination
WDS-ID: 19490+1909 WDS designation
Discoverer Code: AGC11AB Discover designation and components
ADS number: 12973 Aitken Double Star catalog
HD number: 187362 HD catalog number
Hipparcos number: 97496 Hipparcos catalog number
V1: 5.64 Magnitude of the primary
V2: 6.04 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2007 Date of last observation
Orbit grade: 1 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Mut2010b Reference

Double Star Orbit for AGC11AB



WDS 6th Orbit including measures of AGC11AB

-- 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 AGC11AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.028   324.77
--------------------------
2013.38    0.240   166.87
2013.48    0.241   166.67
2013.58    0.241   166.46
2013.68    0.242   166.26
2013.78    0.242   166.06
2013.88    0.242   165.86
2013.98    0.242   165.66
2014.08    0.243   165.46
2014.18    0.243   165.27
2014.28    0.243   165.07
2014.38    0.243   164.87
2014.48    0.243   164.67
2014.58    0.244   164.47
2014.68    0.244   164.28
2014.78    0.244   164.08
2014.88    0.244   163.88
2014.98    0.244   163.68
2015.08    0.244   163.49
2015.18    0.244   163.29
2015.28    0.244   163.09
2015.38    0.244   162.90
2015.48    0.243   162.70
2015.58    0.243   162.50
2015.68    0.243   162.30
2015.78    0.243   162.10
2015.88    0.243   161.90
2015.98    0.242   161.71
2016.08    0.242   161.51
2016.18    0.242   161.30
2016.28    0.241   161.10
2016.38    0.241   160.90
2016.48    0.240   160.70
2016.58    0.240   160.50
2016.68    0.240   160.29
2016.78    0.239   160.09
2016.88    0.239   159.88
2016.98    0.238   159.68
2017.08    0.237   159.47
2017.18    0.237   159.26
2017.28    0.236   159.05
2017.38    0.235   158.84
2017.48    0.235   158.63
2017.58    0.234   158.41
2017.68    0.233   158.20
2017.78    0.232   157.98
2017.88    0.232   157.77
2017.98    0.231   157.55
2018.08    0.230   157.33
2018.18    0.229   157.10
2018.28    0.228   156.88
2018.38    0.227   156.65
2018.48    0.226   156.42
2018.58    0.225   156.19
2018.68    0.224   155.96
2018.78    0.223   155.72
2018.88    0.221   155.49
2018.98    0.220   155.25
2019.08    0.219   155.00
2019.18    0.218   154.76
2019.28    0.217   154.51
2019.38    0.215   154.26
2019.48    0.214   154.00
2019.58    0.212   153.75
2019.68    0.211   153.48
2019.78    0.210   153.22
2019.88    0.208   152.95
2019.98    0.207   152.68
2020.08    0.205   152.40
2020.18    0.203   152.12
2020.28    0.202   151.84
2020.38    0.200   151.55
2020.48    0.198   151.25
2020.58    0.197   150.95
2020.68    0.195   150.64
2020.78    0.193   150.33
2020.88    0.191   150.01
2020.98    0.189   149.69
2021.08    0.187   149.36
2021.18    0.185   149.02
2021.28    0.183   148.68
2021.38    0.181   148.32
2021.48    0.179   147.96
2021.58    0.177   147.59
2021.68    0.174   147.21
2021.78    0.172   146.82
2021.88    0.170   146.42
2021.98    0.168   146.01
2022.08    0.165   145.58
2022.18    0.163   145.15
2022.28    0.160   144.70
2022.38    0.158   144.23
2022.48    0.155   143.75
2022.58    0.152   143.26
2022.68    0.149   142.74
2022.78    0.147   142.21
2022.88    0.144   141.65
2022.98    0.141   141.07
2023.08    0.138   140.47
2023.18    0.135   139.84
2023.28    0.132   139.18
2023.38    0.129   138.49
2023.48    0.125   137.76
2023.58    0.122   137.00
2023.68    0.119   136.19
2023.78    0.115   135.33
2023.88    0.112   134.42
2023.98    0.108   133.45
2024.08    0.104   132.42
2024.18    0.101   131.30
2024.28    0.097   130.10
2024.38    0.093   128.80
2024.48    0.089   127.38
2024.58    0.085   125.82
2024.68    0.081   124.11
2024.78    0.076   122.21
2024.88    0.072   120.07
2024.98    0.068   117.67
2025.08    0.063   114.91
2025.18    0.059   111.74
2025.28    0.054   108.02
2025.38    0.049   103.62
2025.48    0.045    98.31
2025.58    0.040    91.82
2025.68    0.036    83.80
2025.78    0.033    73.82
2025.88    0.029    61.55
2025.98    0.027    46.97
2026.08    0.027    30.73
2026.18    0.027    14.04
2026.28    0.027   357.89
2026.38    0.028   342.54
2026.48    0.028   327.66
2026.58    0.028   312.88
2026.68    0.028   298.20
2026.78    0.029   284.07
2026.88    0.031   271.09
2026.98    0.033   259.72
2027.08    0.036   250.06
2027.18    0.040   241.99
2027.28    0.044   235.26
2027.38    0.048   229.62
2027.48    0.052   224.86
2027.58    0.056   220.81
2027.68    0.060   217.31
2027.78    0.064   214.27
2027.88    0.068   211.59
2027.98    0.072   209.22
2028.08    0.076   207.09
2028.18    0.080   205.18
2028.28    0.084   203.45
2028.38    0.088   201.86
2028.48    0.092   200.41
2028.58    0.095   199.08
2028.68    0.099   197.84
2028.78    0.103   196.69
2028.88    0.106   195.61
2028.98    0.110   194.60
2029.08    0.113   193.66
2029.18    0.116   192.76
2029.28    0.119   191.92
2029.38    0.123   191.12
2029.48    0.126   190.36
2029.58    0.129   189.64
2029.68    0.132   188.95
2029.78    0.135   188.29
2029.88    0.138   187.66
2029.98    0.141   187.05
2030.08    0.143   186.47
2030.18    0.146   185.91
2030.28    0.149   185.37
2030.38    0.151   184.85
2030.48    0.154   184.35
2030.58    0.157   183.87
2030.68    0.159   183.40
2030.78    0.161   182.94
2030.88    0.164   182.50
2030.98    0.166   182.07
2031.08    0.169   181.65
2031.18    0.171   181.24
2031.28    0.173   180.85
2031.38    0.175   180.46
2031.48    0.177   180.08
2031.58    0.179   179.71
2031.68    0.182   179.35
2031.78    0.184   179.00
2031.88    0.186   178.66
2031.98    0.187   178.32
2032.08    0.189   177.99
2032.18    0.191   177.67
2032.28    0.193   177.35
2032.38    0.195   177.04
2032.48    0.197   176.73
2032.58    0.198   176.43
2032.68    0.200   176.14
2032.78    0.202   175.85
2032.88    0.203   175.56
2032.98    0.205   175.28
2033.08    0.206   175.00
2033.18    0.208   174.73
2033.28    0.209   174.46
2033.38    0.211   174.19
2033.48    0.212   173.93
2033.58    0.213   173.67
2033.68    0.215   173.42
2033.78    0.216   173.16
2033.88    0.217   172.91
2033.98    0.219   172.67
2034.08    0.220   172.42
2034.18    0.221   172.18
2034.28    0.222   171.94
2034.38    0.223   171.71
2034.48    0.224   171.47
2034.58    0.225   171.24
2034.68    0.226   171.01
2034.78    0.227   170.78
2034.88    0.228   170.56
2034.98    0.229   170.33
2035.08    0.230   170.11
2035.18    0.231   169.89
2035.28    0.232   169.67
2035.38    0.233   169.46
2035.48    0.233   169.24
2035.58    0.234   169.03
2035.68    0.235   168.81
2035.78    0.236   168.60
2035.88    0.236   168.39
2035.98    0.237   168.18
2036.08    0.238   167.97
2036.18    0.238   167.77
2036.28    0.239   167.56
2036.38    0.239   167.36
2036.48    0.240   167.15
2036.58    0.240   166.95






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 18:09:03



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