Double Star Calculator - Orbit

Orbital Elements for BOV27AB
WDS: BOV27AB WDS ID/Discoverer
P: 30.160 Orbital period (years)
a: 0.08084000000000001 Semi-major axis (arcseconds)
i: 47.67 Inclination (degrees)
Ω: 22.77 Longitude of ascending node (degrees)
T: 2011.949 Epoch of periastron passage (year)
e: 0.5562 Eccentricity
ω: 41.51 Longitude of periastron (degrees)
Start-Year: 2009.92 Year
End-Year: 2040.08 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BOV27AB
Position: 035202.23+243947.7 Epoch-2000 right ascension and declination
WDS-ID: 03520+2440 WDS designation
Discoverer Code: BOV27AB Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 10.6 k Magnitude of the primary
V2: 10.9 k Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: Sfr2014 Reference

Double Star Orbit for BOV27AB



WDS 6th Orbit including measures of BOV27AB

-- 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 BOV27AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.111   231.67
--------------------------
2009.92    0.045   355.09
2010.02    0.045   357.25
2010.12    0.044   359.44
2010.22    0.044     1.67
2010.32    0.044     3.94
2010.42    0.043     6.25
2010.52    0.043     8.61
2010.62    0.042    11.02
2010.72    0.042    13.50
2010.82    0.041    16.04
2010.92    0.040    18.66
2011.02    0.040    21.37
2011.12    0.039    24.18
2011.22    0.038    27.11
2011.32    0.037    30.16
2011.42    0.036    33.36
2011.52    0.036    36.73
2011.62    0.035    40.28
2011.72    0.034    44.04
2011.82    0.033    48.03
2011.92    0.032    52.28
2012.02    0.031    56.80
2012.12    0.030    61.62
2012.22    0.029    66.72
2012.32    0.028    72.12
2012.42    0.027    77.78
2012.52    0.027    83.67
2012.62    0.027    89.72
2012.72    0.027    95.86
2012.82    0.027   101.99
2012.92    0.027   108.02
2013.02    0.028   113.87
2013.12    0.028   119.47
2013.22    0.029   124.78
2013.32    0.030   129.75
2013.42    0.031   134.38
2013.52    0.033   138.67
2013.62    0.034   142.63
2013.72    0.035   146.29
2013.82    0.037   149.65
2013.92    0.038   152.75
2014.02    0.040   155.62
2014.12    0.041   158.27
2014.22    0.043   160.72
2014.32    0.045   163.00
2014.42    0.046   165.12
2014.52    0.048   167.09
2014.62    0.049   168.94
2014.72    0.051   170.68
2014.82    0.053   172.31
2014.92    0.054   173.85
2015.02    0.056   175.30
2015.12    0.057   176.67
2015.22    0.059   177.97
2015.32    0.060   179.21
2015.42    0.062   180.39
2015.52    0.063   181.52
2015.62    0.064   182.60
2015.72    0.066   183.63
2015.82    0.067   184.61
2015.92    0.068   185.56
2016.02    0.070   186.48
2016.12    0.071   187.36
2016.22    0.072   188.21
2016.32    0.074   189.03
2016.42    0.075   189.82
2016.52    0.076   190.59
2016.62    0.077   191.33
2016.72    0.078   192.06
2016.82    0.079   192.76
2016.92    0.081   193.44
2017.02    0.082   194.11
2017.12    0.083   194.75
2017.22    0.084   195.39
2017.32    0.085   196.00
2017.42    0.086   196.60
2017.52    0.087   197.19
2017.62    0.088   197.77
2017.72    0.089   198.33
2017.82    0.089   198.88
2017.92    0.090   199.42
2018.02    0.091   199.95
2018.12    0.092   200.47
2018.22    0.093   200.98
2018.32    0.094   201.48
2018.42    0.094   201.98
2018.52    0.095   202.46
2018.62    0.096   202.94
2018.72    0.097   203.41
2018.82    0.097   203.88
2018.92    0.098   204.33
2019.02    0.099   204.78
2019.12    0.099   205.23
2019.22    0.100   205.67
2019.32    0.101   206.10
2019.42    0.101   206.53
2019.52    0.102   206.95
2019.62    0.102   207.37
2019.72    0.103   207.78
2019.82    0.104   208.19
2019.92    0.104   208.60
2020.02    0.105   209.00
2020.12    0.105   209.39
2020.22    0.106   209.79
2020.32    0.106   210.18
2020.42    0.107   210.56
2020.52    0.107   210.95
2020.62    0.107   211.33
2020.72    0.108   211.70
2020.82    0.108   212.08
2020.92    0.109   212.45
2021.02    0.109   212.82
2021.12    0.109   213.18
2021.22    0.110   213.55
2021.32    0.110   213.91
2021.42    0.110   214.27
2021.52    0.111   214.63
2021.62    0.111   214.99
2021.72    0.111   215.34
2021.82    0.111   215.69
2021.92    0.112   216.04
2022.02    0.112   216.39
2022.12    0.112   216.74
2022.22    0.112   217.09
2022.32    0.112   217.43
2022.42    0.113   217.78
2022.52    0.113   218.12
2022.62    0.113   218.47
2022.72    0.113   218.81
2022.82    0.113   219.15
2022.92    0.113   219.49
2023.02    0.114   219.83
2023.12    0.114   220.16
2023.22    0.114   220.50
2023.32    0.114   220.84
2023.42    0.114   221.18
2023.52    0.114   221.51
2023.62    0.114   221.85
2023.72    0.114   222.19
2023.82    0.114   222.52
2023.92    0.114   222.86
2024.02    0.114   223.19
2024.12    0.114   223.53
2024.22    0.114   223.86
2024.32    0.114   224.20
2024.42    0.114   224.54
2024.52    0.114   224.87
2024.62    0.114   225.21
2024.72    0.114   225.55
2024.82    0.114   225.88
2024.92    0.114   226.22
2025.02    0.114   226.56
2025.12    0.113   226.90
2025.22    0.113   227.24
2025.32    0.113   227.58
2025.42    0.113   227.92
2025.52    0.113   228.26
2025.62    0.113   228.60
2025.72    0.113   228.95
2025.82    0.112   229.29
2025.92    0.112   229.64
2026.02    0.112   229.98
2026.12    0.112   230.33
2026.22    0.112   230.68
2026.32    0.111   231.03
2026.42    0.111   231.39
2026.52    0.111   231.74
2026.62    0.111   232.09
2026.72    0.110   232.45
2026.82    0.110   232.81
2026.92    0.110   233.17
2027.02    0.110   233.53
2027.12    0.109   233.90
2027.22    0.109   234.26
2027.32    0.109   234.63
2027.42    0.109   235.00
2027.52    0.108   235.37
2027.62    0.108   235.74
2027.72    0.108   236.12
2027.82    0.107   236.50
2027.92    0.107   236.88
2028.02    0.107   237.26
2028.12    0.106   237.65
2028.22    0.106   238.04
2028.32    0.105   238.43
2028.42    0.105   238.82
2028.52    0.105   239.22
2028.62    0.104   239.62
2028.72    0.104   240.03
2028.82    0.103   240.43
2028.92    0.103   240.84
2029.02    0.103   241.26
2029.12    0.102   241.67
2029.22    0.102   242.09
2029.32    0.101   242.52
2029.42    0.101   242.95
2029.52    0.100   243.38
2029.62    0.100   243.81
2029.72    0.099   244.25
2029.82    0.099   244.70
2029.92    0.098   245.15
2030.02    0.098   245.60
2030.12    0.097   246.06
2030.22    0.097   246.52
2030.32    0.096   246.99
2030.42    0.096   247.46
2030.52    0.095   247.94
2030.62    0.095   248.42
2030.72    0.094   248.91
2030.82    0.094   249.40
2030.92    0.093   249.90
2031.02    0.093   250.40
2031.12    0.092   250.92
2031.22    0.092   251.43
2031.32    0.091   251.96
2031.42    0.090   252.49
2031.52    0.090   253.03
2031.62    0.089   253.57
2031.72    0.089   254.12
2031.82    0.088   254.68
2031.92    0.087   255.25
2032.02    0.087   255.82
2032.12    0.086   256.40
2032.22    0.086   256.99
2032.32    0.085   257.59
2032.42    0.084   258.20
2032.52    0.084   258.82
2032.62    0.083   259.44
2032.72    0.083   260.08
2032.82    0.082   260.72
2032.92    0.081   261.38
2033.02    0.081   262.04
2033.12    0.080   262.72
2033.22    0.079   263.40
2033.32    0.079   264.10
2033.42    0.078   264.81
2033.52    0.078   265.53
2033.62    0.077   266.26
2033.72    0.076   267.00
2033.82    0.076   267.76
2033.92    0.075   268.53
2034.02    0.074   269.31
2034.12    0.074   270.11
2034.22    0.073   270.92
2034.32    0.072   271.75
2034.42    0.072   272.59
2034.52    0.071   273.45
2034.62    0.070   274.32
2034.72    0.070   275.21
2034.82    0.069   276.11
2034.92    0.069   277.03
2035.02    0.068   277.97
2035.12    0.067   278.93
2035.22    0.067   279.90
2035.32    0.066   280.90
2035.42    0.065   281.91
2035.52    0.065   282.94
2035.62    0.064   283.99
2035.72    0.063   285.07
2035.82    0.063   286.16
2035.92    0.062   287.28
2036.02    0.062   288.41
2036.12    0.061   289.57
2036.22    0.061   290.75
2036.32    0.060   291.96
2036.42    0.059   293.18
2036.52    0.059   294.43
2036.62    0.058   295.71
2036.72    0.058   297.01
2036.82    0.057   298.33
2036.92    0.057   299.68
2037.02    0.056   301.05
2037.12    0.056   302.45
2037.22    0.055   303.88
2037.32    0.055   305.33
2037.42    0.054   306.80
2037.52    0.054   308.30
2037.62    0.053   309.83
2037.72    0.053   311.38
2037.82    0.052   312.96
2037.92    0.052   314.56
2038.02    0.052   316.19
2038.12    0.051   317.85
2038.22    0.051   319.53
2038.32    0.050   321.23
2038.42    0.050   322.96
2038.52    0.050   324.71
2038.62    0.049   326.49
2038.72    0.049   328.29
2038.82    0.049   330.11
2038.92    0.048   331.96
2039.02    0.048   333.83
2039.12    0.048   335.72
2039.22    0.048   337.64
2039.32    0.047   339.57
2039.42    0.047   341.53
2039.52    0.047   343.52
2039.62    0.046   345.53
2039.72    0.046   347.56
2039.82    0.046   349.61
2039.92    0.046   351.70
2040.02    0.045   353.81






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 15:15:50



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