Double Star Calculator - Orbit

Orbital Elements for FIN371
WDS: FIN371 WDS ID/Discoverer
P: 51.600 Orbital period (years)
a: 0.099 Semi-major axis (arcseconds)
i: 108.0 Inclination (degrees)
Ω: 233.8 Longitude of ascending node (degrees)
T: 2015.500 Epoch of periastron passage (year)
e: 0.201 Eccentricity
ω: 38.0 Longitude of periastron (degrees)
Start-Year: 1999.2 Year
End-Year: 2050.8 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for FIN371
Position: 143817.68-495403.9 Epoch-2000 right ascension and declination
WDS-ID: 14383-4954 WDS designation
Discoverer Code: FIN371 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 128415 HD catalog number
Hipparcos number: 71577 Hipparcos catalog number
V1: 7.4 Magnitude of the primary
V2: 7.4 Magnitude of the secondary
Equinox: Equinox
Date: 2018 Date of last observation
Orbit grade: 3 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: Flags
Ephemerides: Ephemerides
Code: Tok2019c Reference

Double Star Orbit for FIN371



WDS 6th Orbit including measures of FIN371

-- 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 FIN371
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.076    69.41
--------------------------
1999.20    0.035   338.18
1999.30    0.035   336.47
1999.40    0.034   334.73
1999.50    0.034   332.98
1999.60    0.034   331.19
1999.70    0.034   329.39
1999.80    0.034   327.58
1999.90    0.034   325.75
2000.00    0.034   323.91
2000.10    0.033   322.06
2000.20    0.033   320.21
2000.30    0.033   318.36
2000.40    0.034   316.52
2000.50    0.034   314.68
2000.60    0.034   312.85
2000.70    0.034   311.03
2000.80    0.034   309.23
2000.90    0.034   307.45
2001.00    0.034   305.69
2001.10    0.035   303.96
2001.20    0.035   302.25
2001.30    0.035   300.57
2001.40    0.036   298.92
2001.50    0.036   297.30
2001.60    0.036   295.72
2001.70    0.037   294.16
2001.80    0.037   292.65
2001.90    0.038   291.17
2002.00    0.038   289.72
2002.10    0.039   288.31
2002.20    0.039   286.94
2002.30    0.040   285.60
2002.40    0.040   284.29
2002.50    0.041   283.02
2002.60    0.041   281.79
2002.70    0.042   280.59
2002.80    0.042   279.42
2002.90    0.043   278.28
2003.00    0.044   277.18
2003.10    0.044   276.11
2003.20    0.045   275.06
2003.30    0.045   274.05
2003.40    0.046   273.06
2003.50    0.047   272.11
2003.60    0.047   271.17
2003.70    0.048   270.27
2003.80    0.049   269.39
2003.90    0.049   268.53
2004.00    0.050   267.69
2004.10    0.051   266.88
2004.20    0.052   266.09
2004.30    0.052   265.32
2004.40    0.053   264.57
2004.50    0.054   263.84
2004.60    0.054   263.13
2004.70    0.055   262.43
2004.80    0.056   261.76
2004.90    0.056   261.10
2005.00    0.057   260.45
2005.10    0.058   259.82
2005.20    0.058   259.21
2005.30    0.059   258.61
2005.40    0.060   258.02
2005.50    0.060   257.45
2005.60    0.061   256.88
2005.70    0.062   256.33
2005.80    0.062   255.80
2005.90    0.063   255.27
2006.00    0.064   254.75
2006.10    0.064   254.25
2006.20    0.065   253.75
2006.30    0.066   253.27
2006.40    0.066   252.79
2006.50    0.067   252.32
2006.60    0.067   251.86
2006.70    0.068   251.41
2006.80    0.069   250.97
2006.90    0.069   250.53
2007.00    0.070   250.11
2007.10    0.070   249.68
2007.20    0.071   249.27
2007.30    0.071   248.86
2007.40    0.072   248.46
2007.50    0.073   248.06
2007.60    0.073   247.67
2007.70    0.074   247.29
2007.80    0.074   246.91
2007.90    0.075   246.53
2008.00    0.075   246.16
2008.10    0.075   245.80
2008.20    0.076   245.43
2008.30    0.076   245.08
2008.40    0.077   244.72
2008.50    0.077   244.38
2008.60    0.078   244.03
2008.70    0.078   243.69
2008.80    0.078   243.35
2008.90    0.079   243.01
2009.00    0.079   242.68
2009.10    0.079   242.35
2009.20    0.080   242.02
2009.30    0.080   241.70
2009.40    0.080   241.38
2009.50    0.081   241.06
2009.60    0.081   240.74
2009.70    0.081   240.42
2009.80    0.081   240.11
2009.90    0.081   239.80
2010.00    0.082   239.48
2010.10    0.082   239.17
2010.20    0.082   238.87
2010.30    0.082   238.56
2010.40    0.082   238.25
2010.50    0.082   237.95
2010.60    0.082   237.64
2010.70    0.083   237.34
2010.80    0.083   237.03
2010.90    0.083   236.73
2011.00    0.083   236.43
2011.10    0.083   236.12
2011.20    0.083   235.82
2011.30    0.083   235.52
2011.40    0.083   235.21
2011.50    0.082   234.91
2011.60    0.082   234.60
2011.70    0.082   234.30
2011.80    0.082   233.99
2011.90    0.082   233.68
2012.00    0.082   233.38
2012.10    0.082   233.07
2012.20    0.081   232.75
2012.30    0.081   232.44
2012.40    0.081   232.12
2012.50    0.081   231.81
2012.60    0.080   231.49
2012.70    0.080   231.17
2012.80    0.080   230.84
2012.90    0.079   230.52
2013.00    0.079   230.19
2013.10    0.079   229.85
2013.20    0.078   229.52
2013.30    0.078   229.18
2013.40    0.077   228.83
2013.50    0.077   228.49
2013.60    0.076   228.13
2013.70    0.076   227.78
2013.80    0.075   227.42
2013.90    0.075   227.05
2014.00    0.074   226.68
2014.10    0.074   226.30
2014.20    0.073   225.92
2014.30    0.073   225.53
2014.40    0.072   225.13
2014.50    0.071   224.73
2014.60    0.071   224.32
2014.70    0.070   223.90
2014.80    0.069   223.48
2014.90    0.069   223.04
2015.00    0.068   222.60
2015.10    0.067   222.15
2015.20    0.066   221.68
2015.30    0.066   221.21
2015.40    0.065   220.72
2015.50    0.064   220.23
2015.60    0.063   219.72
2015.70    0.062   219.19
2015.80    0.062   218.66
2015.90    0.061   218.10
2016.00    0.060   217.54
2016.10    0.059   216.95
2016.20    0.058   216.35
2016.30    0.057   215.73
2016.40    0.056   215.09
2016.50    0.056   214.43
2016.60    0.055   213.75
2016.70    0.054   213.04
2016.80    0.053   212.31
2016.90    0.052   211.55
2017.00    0.051   210.77
2017.10    0.050   209.95
2017.20    0.049   209.11
2017.30    0.048   208.22
2017.40    0.047   207.31
2017.50    0.046   206.35
2017.60    0.045   205.36
2017.70    0.044   204.32
2017.80    0.043   203.24
2017.90    0.042   202.11
2018.00    0.041   200.92
2018.10    0.040   199.69
2018.20    0.039   198.39
2018.30    0.039   197.03
2018.40    0.038   195.60
2018.50    0.037   194.11
2018.60    0.036   192.54
2018.70    0.035   190.90
2018.80    0.034   189.17
2018.90    0.033   187.36
2019.00    0.033   185.46
2019.10    0.032   183.47
2019.20    0.031   181.39
2019.30    0.030   179.20
2019.40    0.030   176.92
2019.50    0.029   174.55
2019.60    0.029   172.07
2019.70    0.028   169.50
2019.80    0.028   166.84
2019.90    0.027   164.09
2020.00    0.027   161.27
2020.10    0.027   158.38
2020.20    0.026   155.43
2020.30    0.026   152.44
2020.40    0.026   149.42
2020.50    0.026   146.38
2020.60    0.026   143.34
2020.70    0.026   140.32
2020.80    0.026   137.33
2020.90    0.027   134.39
2021.00    0.027   131.51
2021.10    0.027   128.69
2021.20    0.028   125.95
2021.30    0.028   123.30
2021.40    0.029   120.74
2021.50    0.029   118.28
2021.60    0.030   115.91
2021.70    0.031   113.64
2021.80    0.031   111.48
2021.90    0.032   109.40
2022.00    0.033   107.43
2022.10    0.034   105.54
2022.20    0.034   103.75
2022.30    0.035   102.04
2022.40    0.036   100.41
2022.50    0.037    98.86
2022.60    0.038    97.38
2022.70    0.039    95.97
2022.80    0.040    94.63
2022.90    0.041    93.36
2023.00    0.042    92.14
2023.10    0.043    90.97
2023.20    0.044    89.86
2023.30    0.045    88.80
2023.40    0.046    87.78
2023.50    0.047    86.81
2023.60    0.048    85.88
2023.70    0.049    84.98
2023.80    0.050    84.12
2023.90    0.051    83.30
2024.00    0.052    82.51
2024.10    0.053    81.75
2024.20    0.054    81.02
2024.30    0.055    80.31
2024.40    0.056    79.64
2024.50    0.057    78.98
2024.60    0.058    78.35
2024.70    0.059    77.74
2024.80    0.060    77.15
2024.90    0.061    76.58
2025.00    0.062    76.03
2025.10    0.063    75.49
2025.20    0.064    74.97
2025.30    0.065    74.47
2025.40    0.066    73.98
2025.50    0.067    73.51
2025.60    0.068    73.05
2025.70    0.068    72.60
2025.80    0.069    72.16
2025.90    0.070    71.74
2026.00    0.071    71.33
2026.10    0.072    70.92
2026.20    0.073    70.53
2026.30    0.074    70.15
2026.40    0.075    69.78
2026.50    0.076    69.41
2026.60    0.077    69.05
2026.70    0.078    68.71
2026.80    0.078    68.37
2026.90    0.079    68.03
2027.00    0.080    67.71
2027.10    0.081    67.39
2027.20    0.082    67.07
2027.30    0.083    66.77
2027.40    0.083    66.47
2027.50    0.084    66.17
2027.60    0.085    65.88
2027.70    0.086    65.60
2027.80    0.086    65.32
2027.90    0.087    65.04
2028.00    0.088    64.77
2028.10    0.089    64.51
2028.20    0.089    64.25
2028.30    0.090    63.99
2028.40    0.091    63.74
2028.50    0.092    63.49
2028.60    0.092    63.24
2028.70    0.093    63.00
2028.80    0.094    62.77
2028.90    0.094    62.53
2029.00    0.095    62.30
2029.10    0.096    62.07
2029.20    0.096    61.85
2029.30    0.097    61.62
2029.40    0.097    61.40
2029.50    0.098    61.19
2029.60    0.099    60.97
2029.70    0.099    60.76
2029.80    0.100    60.55
2029.90    0.100    60.34
2030.00    0.101    60.14
2030.10    0.101    59.94
2030.20    0.102    59.73
2030.30    0.102    59.54
2030.40    0.103    59.34
2030.50    0.103    59.14
2030.60    0.104    58.95
2030.70    0.104    58.76
2030.80    0.105    58.57
2030.90    0.105    58.38
2031.00    0.106    58.19
2031.10    0.106    58.01
2031.20    0.106    57.83
2031.30    0.107    57.64
2031.40    0.107    57.46
2031.50    0.108    57.28
2031.60    0.108    57.10
2031.70    0.108    56.93
2031.80    0.109    56.75
2031.90    0.109    56.58
2032.00    0.109    56.40
2032.10    0.110    56.23
2032.20    0.110    56.06
2032.30    0.110    55.89
2032.40    0.110    55.72
2032.50    0.111    55.55
2032.60    0.111    55.38
2032.70    0.111    55.21
2032.80    0.111    55.04
2032.90    0.112    54.88
2033.00    0.112    54.71
2033.10    0.112    54.55
2033.20    0.112    54.38
2033.30    0.112    54.22
2033.40    0.113    54.05
2033.50    0.113    53.89
2033.60    0.113    53.73
2033.70    0.113    53.57
2033.80    0.113    53.41
2033.90    0.113    53.24
2034.00    0.113    53.08
2034.10    0.114    52.92
2034.20    0.114    52.76
2034.30    0.114    52.60
2034.40    0.114    52.44
2034.50    0.114    52.28
2034.60    0.114    52.12
2034.70    0.114    51.96
2034.80    0.114    51.80
2034.90    0.114    51.64
2035.00    0.114    51.48
2035.10    0.114    51.33
2035.20    0.114    51.17
2035.30    0.114    51.01
2035.40    0.114    50.85
2035.50    0.114    50.69
2035.60    0.114    50.53
2035.70    0.114    50.37
2035.80    0.114    50.21
2035.90    0.114    50.05
2036.00    0.114    49.89
2036.10    0.113    49.73
2036.20    0.113    49.57
2036.30    0.113    49.41
2036.40    0.113    49.24
2036.50    0.113    49.08
2036.60    0.113    48.92
2036.70    0.113    48.76
2036.80    0.113    48.59
2036.90    0.112    48.43
2037.00    0.112    48.27
2037.10    0.112    48.10
2037.20    0.112    47.94
2037.30    0.112    47.77
2037.40    0.111    47.60
2037.50    0.111    47.44
2037.60    0.111    47.27
2037.70    0.111    47.10
2037.80    0.110    46.93
2037.90    0.110    46.76
2038.00    0.110    46.59
2038.10    0.110    46.42
2038.20    0.109    46.24
2038.30    0.109    46.07
2038.40    0.109    45.90
2038.50    0.108    45.72
2038.60    0.108    45.54
2038.70    0.108    45.37
2038.80    0.107    45.19
2038.90    0.107    45.01
2039.00    0.107    44.83
2039.10    0.106    44.64
2039.20    0.106    44.46
2039.30    0.106    44.27
2039.40    0.105    44.09
2039.50    0.105    43.90
2039.60    0.104    43.71
2039.70    0.104    43.52
2039.80    0.104    43.33
2039.90    0.103    43.13
2040.00    0.103    42.94
2040.10    0.102    42.74
2040.20    0.102    42.54
2040.30    0.101    42.34
2040.40    0.101    42.14
2040.50    0.100    41.94
2040.60    0.100    41.73
2040.70    0.099    41.52
2040.80    0.099    41.31
2040.90    0.098    41.10
2041.00    0.098    40.88
2041.10    0.097    40.67
2041.20    0.097    40.45
2041.30    0.096    40.23
2041.40    0.096    40.00
2041.50    0.095    39.78
2041.60    0.095    39.55
2041.70    0.094    39.32
2041.80    0.094    39.08
2041.90    0.093    38.84
2042.00    0.092    38.60
2042.10    0.092    38.36
2042.20    0.091    38.11
2042.30    0.091    37.86
2042.40    0.090    37.61
2042.50    0.090    37.35
2042.60    0.089    37.09
2042.70    0.088    36.83
2042.80    0.088    36.56
2042.90    0.087    36.29
2043.00    0.086    36.02
2043.10    0.086    35.74
2043.20    0.085    35.45
2043.30    0.084    35.17
2043.40    0.084    34.87
2043.50    0.083    34.58
2043.60    0.083    34.27
2043.70    0.082    33.97
2043.80    0.081    33.66
2043.90    0.080    33.34
2044.00    0.080    33.02
2044.10    0.079    32.69
2044.20    0.078    32.36
2044.30    0.078    32.02
2044.40    0.077    31.67
2044.50    0.076    31.32
2044.60    0.076    30.96
2044.70    0.075    30.59
2044.80    0.074    30.22
2044.90    0.073    29.84
2045.00    0.073    29.45
2045.10    0.072    29.06
2045.20    0.071    28.66
2045.30    0.071    28.24
2045.40    0.070    27.82
2045.50    0.069    27.39
2045.60    0.068    26.96
2045.70    0.068    26.51
2045.80    0.067    26.05
2045.90    0.066    25.58
2046.00    0.065    25.10
2046.10    0.065    24.61
2046.20    0.064    24.11
2046.30    0.063    23.60
2046.40    0.062    23.07
2046.50    0.062    22.53
2046.60    0.061    21.98
2046.70    0.060    21.42
2046.80    0.059    20.84
2046.90    0.059    20.24
2047.00    0.058    19.63
2047.10    0.057    19.01
2047.20    0.056    18.37
2047.30    0.056    17.71
2047.40    0.055    17.03
2047.50    0.054    16.33
2047.60    0.053    15.62
2047.70    0.053    14.89
2047.80    0.052    14.13
2047.90    0.051    13.35
2048.00    0.051    12.56
2048.10    0.050    11.73
2048.20    0.049    10.89
2048.30    0.048    10.02
2048.40    0.048     9.13
2048.50    0.047     8.20
2048.60    0.046     7.26
2048.70    0.046     6.28
2048.80    0.045     5.27
2048.90    0.044     4.24
2049.00    0.044     3.18
2049.10    0.043     2.08
2049.20    0.043     0.95
2049.30    0.042   359.79
2049.40    0.041   358.59
2049.50    0.041   357.36
2049.60    0.040   356.10
2049.70    0.040   354.80
2049.80    0.039   353.47
2049.90    0.039   352.10
2050.00    0.038   350.69
2050.10    0.038   349.25
2050.20    0.037   347.77
2050.30    0.037   346.25
2050.40    0.036   344.70
2050.50    0.036   343.12
2050.60    0.036   341.50
2050.70    0.035   339.85
2050.80    0.035   338.18






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 17:07:22



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