Double Star Calculator - Orbit

Orbital Elements for HDS2143
WDS: HDS2143 WDS ID/Discoverer
P: 66.000 Orbital period (years)
a: 0.229 Semi-major axis (arcseconds)
i: 132.0 Inclination (degrees)
Ω: 354.0 Longitude of ascending node (degrees)
T: 2063.000 Epoch of periastron passage (year)
e: 0.962 Eccentricity
ω: 275.0 Longitude of periastron (degrees)
Start-Year: 1992.0 Year
End-Year: 2058.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for HDS2143
Position: 151511.37+045621.7 Epoch-2000 right ascension and declination
WDS-ID: 15152+0456 WDS designation
Discoverer Code: HDS2143 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 135482 HD catalog number
Hipparcos number: 74649 Hipparcos catalog number
V1: 5.61 Magnitude of the primary
V2: 7.90 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Hor2015b Reference

Double Star Orbit for HDS2143



WDS 6th Orbit including measures of HDS2143

-- 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 HDS2143
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.299   258.57
--------------------------
1992.00    0.144   231.30
1992.10    0.143   231.05
1992.20    0.141   230.79
1992.30    0.140   230.53
1992.40    0.138   230.26
1992.50    0.136   229.98
1992.60    0.135   229.69
1992.70    0.133   229.40
1992.80    0.131   229.10
1992.90    0.130   228.79
1993.00    0.128   228.48
1993.10    0.126   228.15
1993.20    0.124   227.82
1993.30    0.122   227.48
1993.40    0.121   227.12
1993.50    0.119   226.76
1993.60    0.117   226.38
1993.70    0.115   225.99
1993.80    0.113   225.59
1993.90    0.111   225.17
1994.00    0.109   224.74
1994.10    0.107   224.29
1994.20    0.105   223.82
1994.30    0.102   223.33
1994.40    0.100   222.82
1994.50    0.098   222.29
1994.60    0.096   221.74
1994.70    0.094   221.15
1994.80    0.091   220.54
1994.90    0.089   219.89
1995.00    0.086   219.21
1995.10    0.084   218.49
1995.20    0.081   217.72
1995.30    0.079   216.91
1995.40    0.076   216.03
1995.50    0.073   215.09
1995.60    0.070   214.07
1995.70    0.067   212.96
1995.80    0.064   211.75
1995.90    0.061   210.42
1996.00    0.058   208.93
1996.10    0.054   207.25
1996.20    0.050   205.34
1996.30    0.047   203.12
1996.40    0.042   200.48
1996.50    0.038   197.24
1996.60    0.033   193.09
1996.70    0.028   187.38
1996.80    0.021   178.47
1996.90    0.013   159.98
1997.00    0.006    76.55
1997.10    0.013     1.05
1997.20    0.021   342.67
1997.30    0.026   333.21
1997.40    0.031   326.95
1997.50    0.036   322.31
1997.60    0.040   318.65
1997.70    0.044   315.65
1997.80    0.047   313.11
1997.90    0.050   310.91
1998.00    0.054   308.99
1998.10    0.057   307.27
1998.20    0.060   305.73
1998.30    0.063   304.34
1998.40    0.065   303.06
1998.50    0.068   301.88
1998.60    0.071   300.80
1998.70    0.073   299.79
1998.80    0.076   298.84
1998.90    0.078   297.96
1999.00    0.080   297.13
1999.10    0.083   296.35
1999.20    0.085   295.60
1999.30    0.087   294.90
1999.40    0.090   294.23
1999.50    0.092   293.60
1999.60    0.094   292.99
1999.70    0.096   292.41
1999.80    0.098   291.85
1999.90    0.100   291.32
2000.00    0.102   290.80
2000.10    0.104   290.31
2000.20    0.106   289.83
2000.30    0.108   289.38
2000.40    0.110   288.93
2000.50    0.111   288.50
2000.60    0.113   288.09
2000.70    0.115   287.69
2000.80    0.117   287.30
2000.90    0.119   286.92
2001.00    0.120   286.56
2001.10    0.122   286.20
2001.20    0.124   285.85
2001.30    0.125   285.52
2001.40    0.127   285.19
2001.50    0.129   284.87
2001.60    0.130   284.55
2001.70    0.132   284.25
2001.80    0.133   283.95
2001.90    0.135   283.66
2002.00    0.137   283.38
2002.10    0.138   283.10
2002.20    0.140   282.83
2002.30    0.141   282.56
2002.40    0.143   282.30
2002.50    0.144   282.05
2002.60    0.145   281.80
2002.70    0.147   281.56
2002.80    0.148   281.32
2002.90    0.150   281.08
2003.00    0.151   280.85
2003.10    0.153   280.62
2003.20    0.154   280.40
2003.30    0.155   280.18
2003.40    0.157   279.97
2003.50    0.158   279.76
2003.60    0.159   279.55
2003.70    0.161   279.34
2003.80    0.162   279.14
2003.90    0.163   278.94
2004.00    0.164   278.75
2004.10    0.166   278.56
2004.20    0.167   278.37
2004.30    0.168   278.18
2004.40    0.169   278.00
2004.50    0.171   277.82
2004.60    0.172   277.64
2004.70    0.173   277.47
2004.80    0.174   277.29
2004.90    0.176   277.12
2005.00    0.177   276.95
2005.10    0.178   276.79
2005.20    0.179   276.62
2005.30    0.180   276.46
2005.40    0.181   276.30
2005.50    0.182   276.14
2005.60    0.184   275.99
2005.70    0.185   275.83
2005.80    0.186   275.68
2005.90    0.187   275.53
2006.00    0.188   275.38
2006.10    0.189   275.23
2006.20    0.190   275.09
2006.30    0.191   274.95
2006.40    0.192   274.80
2006.50    0.193   274.66
2006.60    0.194   274.52
2006.70    0.195   274.39
2006.80    0.196   274.25
2006.90    0.197   274.12
2007.00    0.198   273.98
2007.10    0.199   273.85
2007.20    0.200   273.72
2007.30    0.201   273.59
2007.40    0.202   273.46
2007.50    0.203   273.33
2007.60    0.204   273.21
2007.70    0.205   273.08
2007.80    0.206   272.96
2007.90    0.207   272.84
2008.00    0.208   272.72
2008.10    0.209   272.60
2008.20    0.210   272.48
2008.30    0.211   272.36
2008.40    0.212   272.24
2008.50    0.213   272.13
2008.60    0.214   272.01
2008.70    0.215   271.90
2008.80    0.215   271.79
2008.90    0.216   271.67
2009.00    0.217   271.56
2009.10    0.218   271.45
2009.20    0.219   271.34
2009.30    0.220   271.23
2009.40    0.221   271.13
2009.50    0.222   271.02
2009.60    0.222   270.91
2009.70    0.223   270.81
2009.80    0.224   270.70
2009.90    0.225   270.60
2010.00    0.226   270.50
2010.10    0.226   270.40
2010.20    0.227   270.29
2010.30    0.228   270.19
2010.40    0.229   270.09
2010.50    0.230   269.99
2010.60    0.230   269.89
2010.70    0.231   269.80
2010.80    0.232   269.70
2010.90    0.233   269.60
2011.00    0.234   269.51
2011.10    0.234   269.41
2011.20    0.235   269.32
2011.30    0.236   269.22
2011.40    0.237   269.13
2011.50    0.237   269.03
2011.60    0.238   268.94
2011.70    0.239   268.85
2011.80    0.239   268.76
2011.90    0.240   268.67
2012.00    0.241   268.58
2012.10    0.242   268.49
2012.20    0.242   268.40
2012.30    0.243   268.31
2012.40    0.244   268.22
2012.50    0.244   268.13
2012.60    0.245   268.05
2012.70    0.246   267.96
2012.80    0.246   267.87
2012.90    0.247   267.79
2013.00    0.248   267.70
2013.10    0.248   267.62
2013.20    0.249   267.53
2013.30    0.250   267.45
2013.40    0.250   267.36
2013.50    0.251   267.28
2013.60    0.252   267.20
2013.70    0.252   267.12
2013.80    0.253   267.03
2013.90    0.253   266.95
2014.00    0.254   266.87
2014.10    0.255   266.79
2014.20    0.255   266.71
2014.30    0.256   266.63
2014.40    0.256   266.55
2014.50    0.257   266.47
2014.60    0.258   266.39
2014.70    0.258   266.31
2014.80    0.259   266.23
2014.90    0.259   266.16
2015.00    0.260   266.08
2015.10    0.260   266.00
2015.20    0.261   265.93
2015.30    0.262   265.85
2015.40    0.262   265.77
2015.50    0.263   265.70
2015.60    0.263   265.62
2015.70    0.264   265.55
2015.80    0.264   265.47
2015.90    0.265   265.40
2016.00    0.265   265.32
2016.10    0.266   265.25
2016.20    0.266   265.17
2016.30    0.267   265.10
2016.40    0.267   265.03
2016.50    0.268   264.95
2016.60    0.268   264.88
2016.70    0.269   264.81
2016.80    0.269   264.74
2016.90    0.270   264.66
2017.00    0.270   264.59
2017.10    0.271   264.52
2017.20    0.271   264.45
2017.30    0.272   264.38
2017.40    0.272   264.31
2017.50    0.273   264.24
2017.60    0.273   264.17
2017.70    0.274   264.10
2017.80    0.274   264.03
2017.90    0.274   263.96
2018.00    0.275   263.89
2018.10    0.275   263.82
2018.20    0.276   263.75
2018.30    0.276   263.68
2018.40    0.277   263.62
2018.50    0.277   263.55
2018.60    0.278   263.48
2018.70    0.278   263.41
2018.80    0.278   263.34
2018.90    0.279   263.28
2019.00    0.279   263.21
2019.10    0.280   263.14
2019.20    0.280   263.08
2019.30    0.280   263.01
2019.40    0.281   262.94
2019.50    0.281   262.88
2019.60    0.282   262.81
2019.70    0.282   262.74
2019.80    0.282   262.68
2019.90    0.283   262.61
2020.00    0.283   262.55
2020.10    0.283   262.48
2020.20    0.284   262.42
2020.30    0.284   262.35
2020.40    0.284   262.29
2020.50    0.285   262.22
2020.60    0.285   262.16
2020.70    0.285   262.09
2020.80    0.286   262.03
2020.90    0.286   261.97
2021.00    0.286   261.90
2021.10    0.287   261.84
2021.20    0.287   261.78
2021.30    0.287   261.71
2021.40    0.288   261.65
2021.50    0.288   261.59
2021.60    0.288   261.52
2021.70    0.289   261.46
2021.80    0.289   261.40
2021.90    0.289   261.34
2022.00    0.290   261.27
2022.10    0.290   261.21
2022.20    0.290   261.15
2022.30    0.290   261.09
2022.40    0.291   261.02
2022.50    0.291   260.96
2022.60    0.291   260.90
2022.70    0.292   260.84
2022.80    0.292   260.78
2022.90    0.292   260.72
2023.00    0.292   260.66
2023.10    0.293   260.59
2023.20    0.293   260.53
2023.30    0.293   260.47
2023.40    0.293   260.41
2023.50    0.294   260.35
2023.60    0.294   260.29
2023.70    0.294   260.23
2023.80    0.294   260.17
2023.90    0.295   260.11
2024.00    0.295   260.05
2024.10    0.295   259.99
2024.20    0.295   259.93
2024.30    0.295   259.87
2024.40    0.296   259.81
2024.50    0.296   259.75
2024.60    0.296   259.69
2024.70    0.296   259.63
2024.80    0.296   259.57
2024.90    0.297   259.51
2025.00    0.297   259.45
2025.10    0.297   259.39
2025.20    0.297   259.33
2025.30    0.297   259.27
2025.40    0.298   259.22
2025.50    0.298   259.16
2025.60    0.298   259.10
2025.70    0.298   259.04
2025.80    0.298   258.98
2025.90    0.298   258.92
2026.00    0.299   258.86
2026.10    0.299   258.80
2026.20    0.299   258.75
2026.30    0.299   258.69
2026.40    0.299   258.63
2026.50    0.299   258.57
2026.60    0.299   258.51
2026.70    0.300   258.45
2026.80    0.300   258.40
2026.90    0.300   258.34
2027.00    0.300   258.28
2027.10    0.300   258.22
2027.20    0.300   258.16
2027.30    0.300   258.10
2027.40    0.300   258.05
2027.50    0.300   257.99
2027.60    0.301   257.93
2027.70    0.301   257.87
2027.80    0.301   257.82
2027.90    0.301   257.76
2028.00    0.301   257.70
2028.10    0.301   257.64
2028.20    0.301   257.58
2028.30    0.301   257.53
2028.40    0.301   257.47
2028.50    0.301   257.41
2028.60    0.301   257.35
2028.70    0.301   257.30
2028.80    0.302   257.24
2028.90    0.302   257.18
2029.00    0.302   257.12
2029.10    0.302   257.07
2029.20    0.302   257.01
2029.30    0.302   256.95
2029.40    0.302   256.89
2029.50    0.302   256.84
2029.60    0.302   256.78
2029.70    0.302   256.72
2029.80    0.302   256.67
2029.90    0.302   256.61
2030.00    0.302   256.55
2030.10    0.302   256.49
2030.20    0.302   256.44
2030.30    0.302   256.38
2030.40    0.302   256.32
2030.50    0.302   256.26
2030.60    0.302   256.21
2030.70    0.302   256.15
2030.80    0.302   256.09
2030.90    0.302   256.04
2031.00    0.302   255.98
2031.10    0.302   255.92
2031.20    0.302   255.86
2031.30    0.302   255.81
2031.40    0.302   255.75
2031.50    0.302   255.69
2031.60    0.302   255.63
2031.70    0.302   255.58
2031.80    0.302   255.52
2031.90    0.302   255.46
2032.00    0.302   255.41
2032.10    0.302   255.35
2032.20    0.302   255.29
2032.30    0.302   255.23
2032.40    0.302   255.18
2032.50    0.302   255.12
2032.60    0.301   255.06
2032.70    0.301   255.00
2032.80    0.301   254.95
2032.90    0.301   254.89
2033.00    0.301   254.83
2033.10    0.301   254.77
2033.20    0.301   254.72
2033.30    0.301   254.66
2033.40    0.301   254.60
2033.50    0.301   254.54
2033.60    0.301   254.48
2033.70    0.301   254.43
2033.80    0.300   254.37
2033.90    0.300   254.31
2034.00    0.300   254.25
2034.10    0.300   254.19
2034.20    0.300   254.14
2034.30    0.300   254.08
2034.40    0.300   254.02
2034.50    0.300   253.96
2034.60    0.300   253.90
2034.70    0.299   253.85
2034.80    0.299   253.79
2034.90    0.299   253.73
2035.00    0.299   253.67
2035.10    0.299   253.61
2035.20    0.299   253.55
2035.30    0.298   253.49
2035.40    0.298   253.44
2035.50    0.298   253.38
2035.60    0.298   253.32
2035.70    0.298   253.26
2035.80    0.298   253.20
2035.90    0.297   253.14
2036.00    0.297   253.08
2036.10    0.297   253.02
2036.20    0.297   252.96
2036.30    0.297   252.90
2036.40    0.297   252.85
2036.50    0.296   252.79
2036.60    0.296   252.73
2036.70    0.296   252.67
2036.80    0.296   252.61
2036.90    0.296   252.55
2037.00    0.295   252.49
2037.10    0.295   252.43
2037.20    0.295   252.37
2037.30    0.295   252.31
2037.40    0.294   252.25
2037.50    0.294   252.19
2037.60    0.294   252.13
2037.70    0.294   252.07
2037.80    0.293   252.01
2037.90    0.293   251.94
2038.00    0.293   251.88
2038.10    0.293   251.82
2038.20    0.292   251.76
2038.30    0.292   251.70
2038.40    0.292   251.64
2038.50    0.292   251.58
2038.60    0.291   251.52
2038.70    0.291   251.45
2038.80    0.291   251.39
2038.90    0.291   251.33
2039.00    0.290   251.27
2039.10    0.290   251.21
2039.20    0.290   251.14
2039.30    0.289   251.08
2039.40    0.289   251.02
2039.50    0.289   250.96
2039.60    0.288   250.89
2039.70    0.288   250.83
2039.80    0.288   250.77
2039.90    0.288   250.71
2040.00    0.287   250.64
2040.10    0.287   250.58
2040.20    0.287   250.52
2040.30    0.286   250.45
2040.40    0.286   250.39
2040.50    0.286   250.32
2040.60    0.285   250.26
2040.70    0.285   250.20
2040.80    0.284   250.13
2040.90    0.284   250.07
2041.00    0.284   250.00
2041.10    0.283   249.94
2041.20    0.283   249.87
2041.30    0.283   249.81
2041.40    0.282   249.74
2041.50    0.282   249.67
2041.60    0.282   249.61
2041.70    0.281   249.54
2041.80    0.281   249.48
2041.90    0.280   249.41
2042.00    0.280   249.34
2042.10    0.280   249.28
2042.20    0.279   249.21
2042.30    0.279   249.14
2042.40    0.278   249.08
2042.50    0.278   249.01
2042.60    0.277   248.94
2042.70    0.277   248.87
2042.80    0.277   248.80
2042.90    0.276   248.74
2043.00    0.276   248.67
2043.10    0.275   248.60
2043.20    0.275   248.53
2043.30    0.274   248.46
2043.40    0.274   248.39
2043.50    0.273   248.32
2043.60    0.273   248.25
2043.70    0.272   248.18
2043.80    0.272   248.11
2043.90    0.272   248.04
2044.00    0.271   247.97
2044.10    0.271   247.90
2044.20    0.270   247.82
2044.30    0.270   247.75
2044.40    0.269   247.68
2044.50    0.269   247.61
2044.60    0.268   247.54
2044.70    0.268   247.46
2044.80    0.267   247.39
2044.90    0.266   247.32
2045.00    0.266   247.24
2045.10    0.265   247.17
2045.20    0.265   247.09
2045.30    0.264   247.02
2045.40    0.264   246.94
2045.50    0.263   246.87
2045.60    0.263   246.79
2045.70    0.262   246.72
2045.80    0.262   246.64
2045.90    0.261   246.56
2046.00    0.260   246.49
2046.10    0.260   246.41
2046.20    0.259   246.33
2046.30    0.259   246.26
2046.40    0.258   246.18
2046.50    0.257   246.10
2046.60    0.257   246.02
2046.70    0.256   245.94
2046.80    0.256   245.86
2046.90    0.255   245.78
2047.00    0.254   245.70
2047.10    0.254   245.62
2047.20    0.253   245.54
2047.30    0.252   245.46
2047.40    0.252   245.37
2047.50    0.251   245.29
2047.60    0.251   245.21
2047.70    0.250   245.12
2047.80    0.249   245.04
2047.90    0.249   244.96
2048.00    0.248   244.87
2048.10    0.247   244.79
2048.20    0.247   244.70
2048.30    0.246   244.61
2048.40    0.245   244.53
2048.50    0.244   244.44
2048.60    0.244   244.35
2048.70    0.243   244.26
2048.80    0.242   244.17
2048.90    0.242   244.09
2049.00    0.241   244.00
2049.10    0.240   243.91
2049.20    0.239   243.81
2049.30    0.239   243.72
2049.40    0.238   243.63
2049.50    0.237   243.54
2049.60    0.236   243.44
2049.70    0.236   243.35
2049.80    0.235   243.26
2049.90    0.234   243.16
2050.00    0.233   243.07
2050.10    0.232   242.97
2050.20    0.232   242.87
2050.30    0.231   242.77
2050.40    0.230   242.68
2050.50    0.229   242.58
2050.60    0.228   242.48
2050.70    0.228   242.38
2050.80    0.227   242.28
2050.90    0.226   242.17
2051.00    0.225   242.07
2051.10    0.224   241.97
2051.20    0.223   241.86
2051.30    0.222   241.76
2051.40    0.222   241.65
2051.50    0.221   241.54
2051.60    0.220   241.44
2051.70    0.219   241.33
2051.80    0.218   241.22
2051.90    0.217   241.11
2052.00    0.216   241.00
2052.10    0.215   240.88
2052.20    0.214   240.77
2052.30    0.213   240.66
2052.40    0.212   240.54
2052.50    0.211   240.43
2052.60    0.211   240.31
2052.70    0.210   240.19
2052.80    0.209   240.07
2052.90    0.208   239.95
2053.00    0.207   239.83
2053.10    0.206   239.70
2053.20    0.205   239.58
2053.30    0.204   239.45
2053.40    0.203   239.33
2053.50    0.202   239.20
2053.60    0.201   239.07
2053.70    0.199   238.94
2053.80    0.198   238.81
2053.90    0.197   238.67
2054.00    0.196   238.54
2054.10    0.195   238.40
2054.20    0.194   238.27
2054.30    0.193   238.13
2054.40    0.192   237.98
2054.50    0.191   237.84
2054.60    0.190   237.70
2054.70    0.188   237.55
2054.80    0.187   237.40
2054.90    0.186   237.25
2055.00    0.185   237.10
2055.10    0.184   236.95
2055.20    0.183   236.79
2055.30    0.181   236.63
2055.40    0.180   236.47
2055.50    0.179   236.31
2055.60    0.178   236.15
2055.70    0.177   235.98
2055.80    0.175   235.81
2055.90    0.174   235.64
2056.00    0.173   235.47
2056.10    0.171   235.29
2056.20    0.170   235.11
2056.30    0.169   234.93
2056.40    0.168   234.75
2056.50    0.166   234.56
2056.60    0.165   234.37
2056.70    0.163   234.17
2056.80    0.162   233.98
2056.90    0.161   233.78
2057.00    0.159   233.57
2057.10    0.158   233.36
2057.20    0.156   233.15
2057.30    0.155   232.94
2057.40    0.154   232.72
2057.50    0.152   232.49
2057.60    0.151   232.26
2057.70    0.149   232.03
2057.80    0.148   231.79
2057.90    0.146   231.55






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 17:13:20



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