Double Star Calculator - Orbit

Orbital Elements for YR8
WDS: YR8 WDS ID/Discoverer
P: 48.900 Orbital period (years)
a: 0.108 Semi-major axis (arcseconds)
i: 101.7 Inclination (degrees)
Ω: 332.94 Longitude of ascending node (degrees)
T: 2055.000 Epoch of periastron passage (year)
e: 0.077 Eccentricity
ω: 82.0 Longitude of periastron (degrees)
Start-Year: 2000.55 Year
End-Year: 2049.45 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for YR8
Position: 021626.37+043734.0 Epoch-2000 right ascension and declination
WDS-ID: 02164+0438 WDS designation
Discoverer Code: YR8 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 14031 HD catalog number
Hipparcos number: 10596 Hipparcos catalog number
V1: 8.6 Magnitude of the primary
V2: 9.5 Magnitude of the secondary
Equinox: Equinox
Date: 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: Hor2021b Reference

Double Star Orbit for YR8



WDS 6th Orbit including measures of YR8

-- 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 YR8
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.067   136.07
--------------------------
2000.55    0.084   324.88
2000.65    0.084   324.63
2000.75    0.083   324.38
2000.85    0.082   324.13
2000.95    0.081   323.86
2001.05    0.080   323.60
2001.15    0.079   323.32
2001.25    0.078   323.04
2001.35    0.077   322.75
2001.45    0.076   322.46
2001.55    0.075   322.15
2001.65    0.074   321.84
2001.75    0.073   321.52
2001.85    0.072   321.19
2001.95    0.071   320.85
2002.05    0.070   320.50
2002.15    0.069   320.14
2002.25    0.068   319.77
2002.35    0.067   319.39
2002.45    0.066   318.99
2002.55    0.065   318.58
2002.65    0.063   318.16
2002.75    0.062   317.72
2002.85    0.061   317.26
2002.95    0.060   316.79
2003.05    0.059   316.30
2003.15    0.058   315.78
2003.25    0.057   315.25
2003.35    0.055   314.70
2003.45    0.054   314.12
2003.55    0.053   313.51
2003.65    0.052   312.88
2003.75    0.051   312.21
2003.85    0.049   311.52
2003.95    0.048   310.79
2004.05    0.047   310.02
2004.15    0.046   309.21
2004.25    0.045   308.36
2004.35    0.043   307.46
2004.45    0.042   306.51
2004.55    0.041   305.51
2004.65    0.040   304.44
2004.75    0.039   303.31
2004.85    0.037   302.10
2004.95    0.036   300.82
2005.05    0.035   299.45
2005.15    0.034   297.99
2005.25    0.033   296.43
2005.35    0.032   294.76
2005.45    0.031   292.97
2005.55    0.030   291.05
2005.65    0.029   288.98
2005.75    0.028   286.77
2005.85    0.027   284.39
2005.95    0.026   281.84
2006.05    0.025   279.10
2006.15    0.024   276.18
2006.25    0.023   273.05
2006.35    0.023   269.73
2006.45    0.022   266.21
2006.55    0.021   262.51
2006.65    0.021   258.64
2006.75    0.021   254.62
2006.85    0.020   250.49
2006.95    0.020   246.29
2007.05    0.020   242.05
2007.15    0.020   237.82
2007.25    0.020   233.64
2007.35    0.021   229.56
2007.45    0.021   225.61
2007.55    0.022   221.82
2007.65    0.022   218.20
2007.75    0.023   214.78
2007.85    0.024   211.55
2007.95    0.024   208.52
2008.05    0.025   205.69
2008.15    0.026   203.04
2008.25    0.027   200.57
2008.35    0.028   198.28
2008.45    0.029   196.14
2008.55    0.030   194.14
2008.65    0.031   192.28
2008.75    0.032   190.55
2008.85    0.033   188.93
2008.95    0.034   187.42
2009.05    0.036   186.01
2009.15    0.037   184.68
2009.25    0.038   183.44
2009.35    0.039   182.27
2009.45    0.040   181.17
2009.55    0.042   180.13
2009.65    0.043   179.16
2009.75    0.044   178.23
2009.85    0.045   177.36
2009.95    0.046   176.53
2010.05    0.048   175.74
2010.15    0.049   174.99
2010.25    0.050   174.28
2010.35    0.051   173.60
2010.45    0.052   172.95
2010.55    0.054   172.33
2010.65    0.055   171.74
2010.75    0.056   171.17
2010.85    0.057   170.63
2010.95    0.058   170.11
2011.05    0.059   169.61
2011.15    0.061   169.12
2011.25    0.062   168.66
2011.35    0.063   168.21
2011.45    0.064   167.78
2011.55    0.065   167.37
2011.65    0.066   166.97
2011.75    0.067   166.58
2011.85    0.068   166.20
2011.95    0.070   165.84
2012.05    0.071   165.48
2012.15    0.072   165.14
2012.25    0.073   164.81
2012.35    0.074   164.48
2012.45    0.075   164.17
2012.55    0.076   163.86
2012.65    0.077   163.56
2012.75    0.078   163.27
2012.85    0.079   162.99
2012.95    0.080   162.71
2013.05    0.081   162.44
2013.15    0.082   162.18
2013.25    0.083   161.92
2013.35    0.083   161.67
2013.45    0.084   161.42
2013.55    0.085   161.18
2013.65    0.086   160.95
2013.75    0.087   160.71
2013.85    0.088   160.49
2013.95    0.089   160.26
2014.05    0.089   160.04
2014.15    0.090   159.83
2014.25    0.091   159.62
2014.35    0.092   159.41
2014.45    0.092   159.21
2014.55    0.093   159.00
2014.65    0.094   158.81
2014.75    0.095   158.61
2014.85    0.095   158.42
2014.95    0.096   158.23
2015.05    0.097   158.04
2015.15    0.097   157.86
2015.25    0.098   157.67
2015.35    0.098   157.49
2015.45    0.099   157.32
2015.55    0.100   157.14
2015.65    0.100   156.97
2015.75    0.101   156.79
2015.85    0.101   156.62
2015.95    0.102   156.45
2016.05    0.102   156.29
2016.15    0.103   156.12
2016.25    0.103   155.96
2016.35    0.104   155.80
2016.45    0.104   155.63
2016.55    0.104   155.47
2016.65    0.105   155.32
2016.75    0.105   155.16
2016.85    0.105   155.00
2016.95    0.106   154.85
2017.05    0.106   154.69
2017.15    0.106   154.54
2017.25    0.107   154.39
2017.35    0.107   154.23
2017.45    0.107   154.08
2017.55    0.107   153.93
2017.65    0.108   153.78
2017.75    0.108   153.63
2017.85    0.108   153.48
2017.95    0.108   153.33
2018.05    0.108   153.19
2018.15    0.108   153.04
2018.25    0.109   152.89
2018.35    0.109   152.74
2018.45    0.109   152.60
2018.55    0.109   152.45
2018.65    0.109   152.30
2018.75    0.109   152.16
2018.85    0.109   152.01
2018.95    0.109   151.86
2019.05    0.109   151.72
2019.15    0.109   151.57
2019.25    0.109   151.42
2019.35    0.109   151.28
2019.45    0.109   151.13
2019.55    0.108   150.98
2019.65    0.108   150.83
2019.75    0.108   150.69
2019.85    0.108   150.54
2019.95    0.108   150.39
2020.05    0.108   150.24
2020.15    0.107   150.09
2020.25    0.107   149.94
2020.35    0.107   149.79
2020.45    0.107   149.63
2020.55    0.106   149.48
2020.65    0.106   149.33
2020.75    0.106   149.17
2020.85    0.106   149.02
2020.95    0.105   148.86
2021.05    0.105   148.71
2021.15    0.105   148.55
2021.25    0.104   148.39
2021.35    0.104   148.23
2021.45    0.103   148.07
2021.55    0.103   147.90
2021.65    0.103   147.74
2021.75    0.102   147.57
2021.85    0.102   147.41
2021.95    0.101   147.24
2022.05    0.101   147.07
2022.15    0.100   146.89
2022.25    0.100   146.72
2022.35    0.099   146.54
2022.45    0.099   146.37
2022.55    0.098   146.19
2022.65    0.097   146.01
2022.75    0.097   145.82
2022.85    0.096   145.64
2022.95    0.096   145.45
2023.05    0.095   145.26
2023.15    0.094   145.06
2023.25    0.094   144.87
2023.35    0.093   144.67
2023.45    0.092   144.47
2023.55    0.092   144.26
2023.65    0.091   144.05
2023.75    0.090   143.84
2023.85    0.090   143.63
2023.95    0.089   143.41
2024.05    0.088   143.19
2024.15    0.087   142.96
2024.25    0.087   142.73
2024.35    0.086   142.50
2024.45    0.085   142.26
2024.55    0.084   142.02
2024.65    0.084   141.77
2024.75    0.083   141.52
2024.85    0.082   141.27
2024.95    0.081   141.01
2025.05    0.080   140.74
2025.15    0.079   140.47
2025.25    0.078   140.19
2025.35    0.078   139.90
2025.45    0.077   139.61
2025.55    0.076   139.31
2025.65    0.075   139.01
2025.75    0.074   138.69
2025.85    0.073   138.37
2025.95    0.072   138.04
2026.05    0.071   137.71
2026.15    0.070   137.36
2026.25    0.069   137.00
2026.35    0.068   136.64
2026.45    0.067   136.26
2026.55    0.067   135.88
2026.65    0.066   135.48
2026.75    0.065   135.07
2026.85    0.064   134.64
2026.95    0.063   134.21
2027.05    0.062   133.76
2027.15    0.061   133.29
2027.25    0.060   132.81
2027.35    0.059   132.32
2027.45    0.058   131.81
2027.55    0.057   131.27
2027.65    0.056   130.72
2027.75    0.055   130.15
2027.85    0.054   129.56
2027.95    0.053   128.94
2028.05    0.052   128.30
2028.15    0.051   127.64
2028.25    0.050   126.94
2028.35    0.049   126.22
2028.45    0.048   125.47
2028.55    0.047   124.69
2028.65    0.046   123.87
2028.75    0.045   123.01
2028.85    0.044   122.11
2028.95    0.043   121.17
2029.05    0.042   120.19
2029.15    0.041   119.16
2029.25    0.040   118.08
2029.35    0.039   116.94
2029.45    0.038   115.75
2029.55    0.037   114.50
2029.65    0.036   113.18
2029.75    0.035   111.79
2029.85    0.034   110.33
2029.95    0.033   108.79
2030.05    0.032   107.16
2030.15    0.031   105.45
2030.25    0.031   103.65
2030.35    0.030   101.76
2030.45    0.029    99.76
2030.55    0.028    97.66
2030.65    0.028    95.46
2030.75    0.027    93.15
2030.85    0.027    90.74
2030.95    0.026    88.21
2031.05    0.025    85.59
2031.15    0.025    82.86
2031.25    0.025    80.04
2031.35    0.024    77.14
2031.45    0.024    74.16
2031.55    0.024    71.12
2031.65    0.024    68.04
2031.75    0.024    64.92
2031.85    0.024    61.80
2031.95    0.024    58.68
2032.05    0.024    55.59
2032.15    0.024    52.53
2032.25    0.024    49.53
2032.35    0.024    46.60
2032.45    0.025    43.75
2032.55    0.025    40.99
2032.65    0.026    38.32
2032.75    0.026    35.76
2032.85    0.027    33.31
2032.95    0.028    30.96
2033.05    0.028    28.72
2033.15    0.029    26.58
2033.25    0.030    24.55
2033.35    0.030    22.62
2033.45    0.031    20.78
2033.55    0.032    19.04
2033.65    0.033    17.39
2033.75    0.034    15.82
2033.85    0.035    14.33
2033.95    0.035    12.91
2034.05    0.036    11.57
2034.15    0.037    10.29
2034.25    0.038     9.07
2034.35    0.039     7.92
2034.45    0.040     6.82
2034.55    0.041     5.77
2034.65    0.042     4.77
2034.75    0.043     3.81
2034.85    0.044     2.90
2034.95    0.045     2.03
2035.05    0.046     1.20
2035.15    0.047     0.40
2035.25    0.048   359.63
2035.35    0.049   358.90
2035.45    0.050   358.20
2035.55    0.051   357.52
2035.65    0.052   356.87
2035.75    0.053   356.25
2035.85    0.054   355.64
2035.95    0.055   355.07
2036.05    0.056   354.51
2036.15    0.057   353.97
2036.25    0.058   353.45
2036.35    0.059   352.94
2036.45    0.060   352.46
2036.55    0.061   351.99
2036.65    0.062   351.53
2036.75    0.063   351.09
2036.85    0.064   350.66
2036.95    0.065   350.24
2037.05    0.066   349.84
2037.15    0.067   349.45
2037.25    0.068   349.07
2037.35    0.069   348.70
2037.45    0.070   348.34
2037.55    0.071   347.99
2037.65    0.072   347.64
2037.75    0.073   347.31
2037.85    0.074   346.99
2037.95    0.074   346.67
2038.05    0.075   346.36
2038.15    0.076   346.06
2038.25    0.077   345.76
2038.35    0.078   345.47
2038.45    0.079   345.19
2038.55    0.080   344.91
2038.65    0.080   344.64
2038.75    0.081   344.38
2038.85    0.082   344.12
2038.95    0.083   343.86
2039.05    0.084   343.61
2039.15    0.084   343.37
2039.25    0.085   343.13
2039.35    0.086   342.89
2039.45    0.087   342.66
2039.55    0.088   342.43
2039.65    0.088   342.20
2039.75    0.089   341.98
2039.85    0.090   341.76
2039.95    0.090   341.55
2040.05    0.091   341.34
2040.15    0.092   341.13
2040.25    0.092   340.93
2040.35    0.093   340.72
2040.45    0.094   340.52
2040.55    0.094   340.33
2040.65    0.095   340.13
2040.75    0.095   339.94
2040.85    0.096   339.75
2040.95    0.097   339.56
2041.05    0.097   339.38
2041.15    0.098   339.20
2041.25    0.098   339.01
2041.35    0.099   338.84
2041.45    0.099   338.66
2041.55    0.100   338.48
2041.65    0.100   338.31
2041.75    0.101   338.14
2041.85    0.101   337.96
2041.95    0.101   337.79
2042.05    0.102   337.63
2042.15    0.102   337.46
2042.25    0.103   337.29
2042.35    0.103   337.13
2042.45    0.103   336.97
2042.55    0.104   336.80
2042.65    0.104   336.64
2042.75    0.104   336.48
2042.85    0.104   336.32
2042.95    0.105   336.16
2043.05    0.105   336.00
2043.15    0.105   335.85
2043.25    0.105   335.69
2043.35    0.106   335.53
2043.45    0.106   335.38
2043.55    0.106   335.22
2043.65    0.106   335.07
2043.75    0.106   334.91
2043.85    0.106   334.76
2043.95    0.106   334.61
2044.05    0.106   334.45
2044.15    0.106   334.30
2044.25    0.107   334.15
2044.35    0.107   333.99
2044.45    0.107   333.84
2044.55    0.107   333.69
2044.65    0.107   333.54
2044.75    0.106   333.38
2044.85    0.106   333.23
2044.95    0.106   333.08
2045.05    0.106   332.92
2045.15    0.106   332.77
2045.25    0.106   332.61
2045.35    0.106   332.46
2045.45    0.106   332.30
2045.55    0.105   332.15
2045.65    0.105   331.99
2045.75    0.105   331.83
2045.85    0.105   331.68
2045.95    0.105   331.52
2046.05    0.104   331.36
2046.15    0.104   331.20
2046.25    0.104   331.04
2046.35    0.103   330.87
2046.45    0.103   330.71
2046.55    0.103   330.55
2046.65    0.102   330.38
2046.75    0.102   330.21
2046.85    0.101   330.05
2046.95    0.101   329.88
2047.05    0.100   329.70
2047.15    0.100   329.53
2047.25    0.100   329.36
2047.35    0.099   329.18
2047.45    0.098   329.00
2047.55    0.098   328.82
2047.65    0.097   328.64
2047.75    0.097   328.46
2047.85    0.096   328.27
2047.95    0.096   328.08
2048.05    0.095   327.89
2048.15    0.094   327.70
2048.25    0.094   327.50
2048.35    0.093   327.30
2048.45    0.092   327.10
2048.55    0.092   326.89
2048.65    0.091   326.69
2048.75    0.090   326.47
2048.85    0.089   326.26
2048.95    0.089   326.04
2049.05    0.088   325.82
2049.15    0.087   325.59
2049.25    0.086   325.36
2049.35    0.085   325.12






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 14:58:36



www.stella-vega.de