Double Star Calculator - Orbit

Orbital Elements for STT269AB
WDS: STT269AB WDS ID/Discoverer
P: 53.200 Orbital period (years)
a: 0.166 Semi-major axis (arcseconds)
i: 58.0 Inclination (degrees)
Ω: 44.8 Longitude of ascending node (degrees)
T: 1988.000 Epoch of periastron passage (year)
e: 0.868 Eccentricity
ω: 0.0 Longitude of periastron (degrees)
Start-Year: 1998.4 Year
End-Year: 2051.6 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STT269AB
Position: 133251.02+345425.8 Epoch-2000 right ascension and declination
WDS-ID: 13329+3454 WDS designation
Discoverer Code: STT269AB Discover designation and components
ADS number: 8939 Aitken Double Star catalog
HD number: 117902 HD catalog number
Hipparcos number: 66089 Hipparcos catalog number
V1: 7.27 Magnitude of the primary
V2: 8.08 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 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: Hei1997 Reference

Double Star Orbit for STT269AB



WDS 6th Orbit including measures of STT269AB

-- 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 STT269AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.263   231.57
--------------------------
1998.40    0.219   214.40
1998.50    0.220   214.50
1998.60    0.221   214.60
1998.70    0.222   214.70
1998.80    0.224   214.80
1998.90    0.225   214.90
1999.00    0.226   214.99
1999.10    0.227   215.09
1999.20    0.228   215.18
1999.30    0.229   215.28
1999.40    0.231   215.37
1999.50    0.232   215.46
1999.60    0.233   215.55
1999.70    0.234   215.64
1999.80    0.235   215.73
1999.90    0.236   215.82
2000.00    0.237   215.91
2000.10    0.238   216.00
2000.20    0.239   216.08
2000.30    0.240   216.17
2000.40    0.241   216.25
2000.50    0.242   216.34
2000.60    0.243   216.42
2000.70    0.244   216.50
2000.80    0.245   216.58
2000.90    0.246   216.66
2001.00    0.247   216.74
2001.10    0.248   216.82
2001.20    0.249   216.90
2001.30    0.250   216.98
2001.40    0.251   217.06
2001.50    0.252   217.14
2001.60    0.253   217.21
2001.70    0.254   217.29
2001.80    0.255   217.37
2001.90    0.256   217.44
2002.00    0.257   217.52
2002.10    0.258   217.59
2002.20    0.259   217.66
2002.30    0.259   217.74
2002.40    0.260   217.81
2002.50    0.261   217.88
2002.60    0.262   217.95
2002.70    0.263   218.03
2002.80    0.264   218.10
2002.90    0.264   218.17
2003.00    0.265   218.24
2003.10    0.266   218.31
2003.20    0.267   218.37
2003.30    0.268   218.44
2003.40    0.268   218.51
2003.50    0.269   218.58
2003.60    0.270   218.65
2003.70    0.271   218.71
2003.80    0.271   218.78
2003.90    0.272   218.85
2004.00    0.273   218.91
2004.10    0.274   218.98
2004.20    0.274   219.04
2004.30    0.275   219.11
2004.40    0.276   219.17
2004.50    0.276   219.24
2004.60    0.277   219.30
2004.70    0.278   219.37
2004.80    0.279   219.43
2004.90    0.279   219.49
2005.00    0.280   219.56
2005.10    0.280   219.62
2005.20    0.281   219.68
2005.30    0.282   219.74
2005.40    0.282   219.80
2005.50    0.283   219.87
2005.60    0.284   219.93
2005.70    0.284   219.99
2005.80    0.285   220.05
2005.90    0.285   220.11
2006.00    0.286   220.17
2006.10    0.287   220.23
2006.20    0.287   220.29
2006.30    0.288   220.35
2006.40    0.288   220.41
2006.50    0.289   220.47
2006.60    0.289   220.52
2006.70    0.290   220.58
2006.80    0.290   220.64
2006.90    0.291   220.70
2007.00    0.291   220.76
2007.10    0.292   220.82
2007.20    0.292   220.87
2007.30    0.293   220.93
2007.40    0.293   220.99
2007.50    0.294   221.04
2007.60    0.294   221.10
2007.70    0.295   221.16
2007.80    0.295   221.21
2007.90    0.296   221.27
2008.00    0.296   221.33
2008.10    0.296   221.38
2008.20    0.297   221.44
2008.30    0.297   221.49
2008.40    0.298   221.55
2008.50    0.298   221.60
2008.60    0.298   221.66
2008.70    0.299   221.71
2008.80    0.299   221.77
2008.90    0.300   221.82
2009.00    0.300   221.88
2009.10    0.300   221.93
2009.20    0.301   221.99
2009.30    0.301   222.04
2009.40    0.301   222.10
2009.50    0.302   222.15
2009.60    0.302   222.20
2009.70    0.302   222.26
2009.80    0.303   222.31
2009.90    0.303   222.36
2010.00    0.303   222.42
2010.10    0.304   222.47
2010.20    0.304   222.52
2010.30    0.304   222.58
2010.40    0.304   222.63
2010.50    0.305   222.68
2010.60    0.305   222.74
2010.70    0.305   222.79
2010.80    0.305   222.84
2010.90    0.306   222.89
2011.00    0.306   222.95
2011.10    0.306   223.00
2011.20    0.306   223.05
2011.30    0.307   223.10
2011.40    0.307   223.16
2011.50    0.307   223.21
2011.60    0.307   223.26
2011.70    0.307   223.31
2011.80    0.308   223.36
2011.90    0.308   223.42
2012.00    0.308   223.47
2012.10    0.308   223.52
2012.20    0.308   223.57
2012.30    0.308   223.62
2012.40    0.309   223.67
2012.50    0.309   223.73
2012.60    0.309   223.78
2012.70    0.309   223.83
2012.80    0.309   223.88
2012.90    0.309   223.93
2013.00    0.309   223.98
2013.10    0.309   224.03
2013.20    0.309   224.08
2013.30    0.310   224.14
2013.40    0.310   224.19
2013.50    0.310   224.24
2013.60    0.310   224.29
2013.70    0.310   224.34
2013.80    0.310   224.39
2013.90    0.310   224.44
2014.00    0.310   224.49
2014.10    0.310   224.54
2014.20    0.310   224.60
2014.30    0.310   224.65
2014.40    0.310   224.70
2014.50    0.310   224.75
2014.60    0.310   224.80
2014.70    0.310   224.85
2014.80    0.310   224.90
2014.90    0.310   224.95
2015.00    0.310   225.00
2015.10    0.310   225.06
2015.20    0.310   225.11
2015.30    0.310   225.16
2015.40    0.310   225.21
2015.50    0.310   225.26
2015.60    0.310   225.31
2015.70    0.310   225.36
2015.80    0.310   225.41
2015.90    0.310   225.46
2016.00    0.309   225.52
2016.10    0.309   225.57
2016.20    0.309   225.62
2016.30    0.309   225.67
2016.40    0.309   225.72
2016.50    0.309   225.77
2016.60    0.309   225.82
2016.70    0.309   225.87
2016.80    0.309   225.93
2016.90    0.308   225.98
2017.00    0.308   226.03
2017.10    0.308   226.08
2017.20    0.308   226.13
2017.30    0.308   226.18
2017.40    0.308   226.24
2017.50    0.307   226.29
2017.60    0.307   226.34
2017.70    0.307   226.39
2017.80    0.307   226.44
2017.90    0.307   226.50
2018.00    0.306   226.55
2018.10    0.306   226.60
2018.20    0.306   226.65
2018.30    0.306   226.71
2018.40    0.305   226.76
2018.50    0.305   226.81
2018.60    0.305   226.86
2018.70    0.305   226.92
2018.80    0.304   226.97
2018.90    0.304   227.02
2019.00    0.304   227.08
2019.10    0.304   227.13
2019.20    0.303   227.18
2019.30    0.303   227.24
2019.40    0.303   227.29
2019.50    0.302   227.34
2019.60    0.302   227.40
2019.70    0.302   227.45
2019.80    0.301   227.50
2019.90    0.301   227.56
2020.00    0.301   227.61
2020.10    0.300   227.67
2020.20    0.300   227.72
2020.30    0.300   227.78
2020.40    0.299   227.83
2020.50    0.299   227.89
2020.60    0.298   227.94
2020.70    0.298   228.00
2020.80    0.298   228.05
2020.90    0.297   228.11
2021.00    0.297   228.16
2021.10    0.296   228.22
2021.20    0.296   228.27
2021.30    0.296   228.33
2021.40    0.295   228.39
2021.50    0.295   228.44
2021.60    0.294   228.50
2021.70    0.294   228.56
2021.80    0.293   228.61
2021.90    0.293   228.67
2022.00    0.292   228.73
2022.10    0.292   228.78
2022.20    0.291   228.84
2022.30    0.291   228.90
2022.40    0.290   228.96
2022.50    0.290   229.02
2022.60    0.289   229.08
2022.70    0.289   229.13
2022.80    0.288   229.19
2022.90    0.288   229.25
2023.00    0.287   229.31
2023.10    0.287   229.37
2023.20    0.286   229.43
2023.30    0.285   229.49
2023.40    0.285   229.55
2023.50    0.284   229.61
2023.60    0.284   229.67
2023.70    0.283   229.73
2023.80    0.282   229.80
2023.90    0.282   229.86
2024.00    0.281   229.92
2024.10    0.280   229.98
2024.20    0.280   230.04
2024.30    0.279   230.11
2024.40    0.279   230.17
2024.50    0.278   230.23
2024.60    0.277   230.30
2024.70    0.276   230.36
2024.80    0.276   230.43
2024.90    0.275   230.49
2025.00    0.274   230.56
2025.10    0.274   230.62
2025.20    0.273   230.69
2025.30    0.272   230.75
2025.40    0.271   230.82
2025.50    0.271   230.89
2025.60    0.270   230.95
2025.70    0.269   231.02
2025.80    0.268   231.09
2025.90    0.268   231.16
2026.00    0.267   231.23
2026.10    0.266   231.29
2026.20    0.265   231.36
2026.30    0.264   231.43
2026.40    0.264   231.50
2026.50    0.263   231.57
2026.60    0.262   231.65
2026.70    0.261   231.72
2026.80    0.260   231.79
2026.90    0.259   231.86
2027.00    0.259   231.94
2027.10    0.258   232.01
2027.20    0.257   232.08
2027.30    0.256   232.16
2027.40    0.255   232.23
2027.50    0.254   232.31
2027.60    0.253   232.39
2027.70    0.252   232.46
2027.80    0.251   232.54
2027.90    0.250   232.62
2028.00    0.249   232.70
2028.10    0.248   232.78
2028.20    0.247   232.86
2028.30    0.246   232.94
2028.40    0.245   233.02
2028.50    0.244   233.10
2028.60    0.243   233.18
2028.70    0.242   233.26
2028.80    0.241   233.35
2028.90    0.240   233.43
2029.00    0.239   233.52
2029.10    0.238   233.60
2029.20    0.237   233.69
2029.30    0.236   233.78
2029.40    0.235   233.87
2029.50    0.234   233.96
2029.60    0.233   234.05
2029.70    0.232   234.14
2029.80    0.231   234.23
2029.90    0.229   234.32
2030.00    0.228   234.42
2030.10    0.227   234.51
2030.20    0.226   234.61
2030.30    0.225   234.70
2030.40    0.224   234.80
2030.50    0.222   234.90
2030.60    0.221   235.00
2030.70    0.220   235.10
2030.80    0.219   235.20
2030.90    0.217   235.30
2031.00    0.216   235.41
2031.10    0.215   235.51
2031.20    0.214   235.62
2031.30    0.212   235.73
2031.40    0.211   235.84
2031.50    0.210   235.95
2031.60    0.208   236.06
2031.70    0.207   236.18
2031.80    0.206   236.29
2031.90    0.204   236.41
2032.00    0.203   236.53
2032.10    0.202   236.65
2032.20    0.200   236.77
2032.30    0.199   236.89
2032.40    0.197   237.02
2032.50    0.196   237.14
2032.60    0.194   237.27
2032.70    0.193   237.40
2032.80    0.191   237.53
2032.90    0.190   237.67
2033.00    0.188   237.81
2033.10    0.187   237.95
2033.20    0.185   238.09
2033.30    0.184   238.23
2033.40    0.182   238.38
2033.50    0.181   238.53
2033.60    0.179   238.68
2033.70    0.178   238.83
2033.80    0.176   238.99
2033.90    0.174   239.15
2034.00    0.173   239.31
2034.10    0.171   239.48
2034.20    0.169   239.65
2034.30    0.168   239.82
2034.40    0.166   240.00
2034.50    0.164   240.18
2034.60    0.162   240.36
2034.70    0.161   240.55
2034.80    0.159   240.74
2034.90    0.157   240.94
2035.00    0.155   241.14
2035.10    0.153   241.35
2035.20    0.151   241.56
2035.30    0.150   241.78
2035.40    0.148   242.00
2035.50    0.146   242.23
2035.60    0.144   242.46
2035.70    0.142   242.70
2035.80    0.140   242.95
2035.90    0.138   243.20
2036.00    0.136   243.46
2036.10    0.134   243.73
2036.20    0.132   244.01
2036.30    0.130   244.30
2036.40    0.128   244.59
2036.50    0.126   244.90
2036.60    0.123   245.22
2036.70    0.121   245.54
2036.80    0.119   245.88
2036.90    0.117   246.24
2037.00    0.115   246.60
2037.10    0.112   246.99
2037.20    0.110   247.38
2037.30    0.108   247.80
2037.40    0.105   248.23
2037.50    0.103   248.69
2037.60    0.100   249.16
2037.70    0.098   249.66
2037.80    0.096   250.18
2037.90    0.093   250.73
2038.00    0.090   251.32
2038.10    0.088   251.93
2038.20    0.085   252.59
2038.30    0.083   253.28
2038.40    0.080   254.03
2038.50    0.077   254.82
2038.60    0.075   255.67
2038.70    0.072   256.59
2038.80    0.069   257.58
2038.90    0.066   258.65
2039.00    0.063   259.82
2039.10    0.060   261.11
2039.20    0.057   262.53
2039.30    0.054   264.10
2039.40    0.051   265.85
2039.50    0.048   267.82
2039.60    0.045   270.06
2039.70    0.042   272.62
2039.80    0.039   275.58
2039.90    0.036   279.04
2040.00    0.033   283.13
2040.10    0.030   288.03
2040.20    0.027   293.93
2040.30    0.025   301.12
2040.40    0.023   309.84
2040.50    0.021   320.27
2040.60    0.020   332.33
2040.70    0.019   345.51
2040.80    0.019   358.94
2040.90    0.020    11.79
2041.00    0.021    23.61
2041.10    0.022    34.48
2041.20    0.022    44.80
2041.30    0.022    55.12
2041.40    0.021    65.99
2041.50    0.020    77.81
2041.60    0.019    90.66
2041.70    0.019   104.09
2041.80    0.020   117.27
2041.90    0.021   129.33
2042.00    0.023   139.76
2042.10    0.025   148.48
2042.20    0.027   155.67
2042.30    0.030   161.57
2042.40    0.033   166.47
2042.50    0.036   170.56
2042.60    0.039   174.02
2042.70    0.042   176.98
2042.80    0.045   179.54
2042.90    0.048   181.78
2043.00    0.051   183.75
2043.10    0.054   185.50
2043.20    0.057   187.07
2043.30    0.060   188.49
2043.40    0.063   189.78
2043.50    0.066   190.95
2043.60    0.069   192.02
2043.70    0.072   193.01
2043.80    0.075   193.93
2043.90    0.077   194.78
2044.00    0.080   195.57
2044.10    0.083   196.32
2044.20    0.085   197.01
2044.30    0.088   197.67
2044.40    0.090   198.28
2044.50    0.093   198.87
2044.60    0.096   199.42
2044.70    0.098   199.94
2044.80    0.100   200.44
2044.90    0.103   200.91
2045.00    0.105   201.37
2045.10    0.108   201.80
2045.20    0.110   202.22
2045.30    0.112   202.61
2045.40    0.115   203.00
2045.50    0.117   203.36
2045.60    0.119   203.72
2045.70    0.121   204.06
2045.80    0.123   204.38
2045.90    0.126   204.70
2046.00    0.128   205.01
2046.10    0.130   205.30
2046.20    0.132   205.59
2046.30    0.134   205.87
2046.40    0.136   206.14
2046.50    0.138   206.40
2046.60    0.140   206.65
2046.70    0.142   206.90
2046.80    0.144   207.14
2046.90    0.146   207.37
2047.00    0.148   207.60
2047.10    0.150   207.82
2047.20    0.151   208.04
2047.30    0.153   208.25
2047.40    0.155   208.46
2047.50    0.157   208.66
2047.60    0.159   208.86
2047.70    0.161   209.05
2047.80    0.162   209.24
2047.90    0.164   209.42
2048.00    0.166   209.60
2048.10    0.168   209.78
2048.20    0.169   209.95
2048.30    0.171   210.12
2048.40    0.173   210.29
2048.50    0.174   210.45
2048.60    0.176   210.61
2048.70    0.178   210.77
2048.80    0.179   210.92
2048.90    0.181   211.07
2049.00    0.182   211.22
2049.10    0.184   211.37
2049.20    0.185   211.51
2049.30    0.187   211.65
2049.40    0.188   211.79
2049.50    0.190   211.93
2049.60    0.191   212.07
2049.70    0.193   212.20
2049.80    0.194   212.33
2049.90    0.196   212.46
2050.00    0.197   212.58
2050.10    0.199   212.71
2050.20    0.200   212.83
2050.30    0.202   212.95
2050.40    0.203   213.07
2050.50    0.204   213.19
2050.60    0.206   213.31
2050.70    0.207   213.42
2050.80    0.208   213.54
2050.90    0.210   213.65
2051.00    0.211   213.76
2051.10    0.212   213.87
2051.20    0.214   213.98
2051.30    0.215   214.09
2051.40    0.216   214.19
2051.50    0.217   214.30






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 16:57:22



www.stella-vega.de