Double Star Calculator - Orbit

Orbital Elements for BAG4
WDS: BAG4 WDS ID/Discoverer
P: 30.680 Orbital period (years)
a: 0.079 Semi-major axis (arcseconds)
i: 128.0 Inclination (degrees)
Ω: 50.0 Longitude of ascending node (degrees)
T: 1990.960 Epoch of periastron passage (year)
e: 0.045 Eccentricity
ω: 32.0 Longitude of periastron (degrees)
Start-Year: 2009.66 Year
End-Year: 2040.34 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for BAG4
Position: 040616.41+195228.5 Epoch-2000 right ascension and declination
WDS-ID: 04063+1952 WDS designation
Discoverer Code: BAG4 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: 25811 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 8.9 Magnitude of the primary
V2: 9.1 Magnitude of the secondary
Equinox: Equinox
Date: 1997 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: Bag2001 Reference

Double Star Orbit for BAG4



WDS 6th Orbit including measures of BAG4

-- 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 BAG4
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    0.048   314.35
--------------------------
2009.66    0.056   172.89
2009.76    0.055   171.43
2009.86    0.055   169.94
2009.96    0.054   168.42
2010.06    0.054   166.88
2010.16    0.053   165.31
2010.26    0.053   163.71
2010.36    0.053   162.09
2010.46    0.052   160.44
2010.56    0.052   158.78
2010.66    0.051   157.09
2010.76    0.051   155.38
2010.86    0.051   153.65
2010.96    0.051   151.90
2011.06    0.050   150.13
2011.16    0.050   148.35
2011.26    0.050   146.56
2011.36    0.050   144.76
2011.46    0.050   142.95
2011.56    0.050   141.13
2011.66    0.050   139.31
2011.76    0.050   137.49
2011.86    0.050   135.67
2011.96    0.050   133.85
2012.06    0.050   132.03
2012.16    0.050   130.22
2012.26    0.050   128.42
2012.36    0.050   126.63
2012.46    0.050   124.86
2012.56    0.051   123.10
2012.66    0.051   121.35
2012.76    0.051   119.63
2012.86    0.052   117.92
2012.96    0.052   116.24
2013.06    0.052   114.57
2013.16    0.053   112.93
2013.26    0.053   111.32
2013.36    0.053   109.73
2013.46    0.054   108.16
2013.56    0.054   106.62
2013.66    0.055   105.10
2013.76    0.055   103.61
2013.86    0.056   102.15
2013.96    0.056   100.71
2014.06    0.057    99.30
2014.16    0.057    97.92
2014.26    0.058    96.56
2014.36    0.058    95.22
2014.46    0.059    93.91
2014.56    0.059    92.63
2014.66    0.060    91.37
2014.76    0.061    90.13
2014.86    0.061    88.92
2014.96    0.062    87.73
2015.06    0.062    86.55
2015.16    0.063    85.41
2015.26    0.063    84.28
2015.36    0.064    83.17
2015.46    0.065    82.08
2015.56    0.065    81.01
2015.66    0.066    79.95
2015.76    0.066    78.92
2015.86    0.067    77.90
2015.96    0.067    76.90
2016.06    0.068    75.91
2016.16    0.068    74.94
2016.26    0.069    73.98
2016.36    0.069    73.03
2016.46    0.070    72.10
2016.56    0.070    71.18
2016.66    0.071    70.27
2016.76    0.071    69.37
2016.86    0.071    68.49
2016.96    0.072    67.61
2017.06    0.072    66.74
2017.16    0.073    65.88
2017.26    0.073    65.03
2017.36    0.073    64.19
2017.46    0.074    63.36
2017.56    0.074    62.53
2017.66    0.074    61.71
2017.76    0.074    60.89
2017.86    0.075    60.08
2017.96    0.075    59.28
2018.06    0.075    58.48
2018.16    0.075    57.68
2018.26    0.075    56.89
2018.36    0.076    56.10
2018.46    0.076    55.31
2018.56    0.076    54.52
2018.66    0.076    53.74
2018.76    0.076    52.96
2018.86    0.076    52.18
2018.96    0.076    51.40
2019.06    0.076    50.62
2019.16    0.076    49.84
2019.26    0.076    49.06
2019.36    0.076    48.27
2019.46    0.076    47.49
2019.56    0.076    46.70
2019.66    0.075    45.91
2019.76    0.075    45.12
2019.86    0.075    44.32
2019.96    0.075    43.52
2020.06    0.075    42.72
2020.16    0.074    41.91
2020.26    0.074    41.09
2020.36    0.074    40.27
2020.46    0.074    39.44
2020.56    0.073    38.60
2020.66    0.073    37.76
2020.76    0.073    36.91
2020.86    0.072    36.05
2020.96    0.072    35.18
2021.06    0.071    34.29
2021.16    0.071    33.40
2021.26    0.070    32.50
2021.36    0.070    31.59
2021.46    0.069    30.66
2021.56    0.069    29.72
2021.66    0.068    28.77
2021.76    0.068    27.80
2021.86    0.067    26.81
2021.96    0.067    25.81
2022.06    0.066    24.80
2022.16    0.066    23.76
2022.26    0.065    22.71
2022.36    0.064    21.63
2022.46    0.064    20.54
2022.56    0.063    19.43
2022.66    0.063    18.29
2022.76    0.062    17.13
2022.86    0.061    15.95
2022.96    0.061    14.75
2023.06    0.060    13.51
2023.16    0.060    12.26
2023.26    0.059    10.97
2023.36    0.058     9.66
2023.46    0.058     8.32
2023.56    0.057     6.95
2023.66    0.056     5.55
2023.76    0.056     4.12
2023.86    0.055     2.66
2023.96    0.055     1.17
2024.06    0.054   359.64
2024.16    0.054   358.08
2024.26    0.053   356.49
2024.36    0.052   354.87
2024.46    0.052   353.22
2024.56    0.051   351.53
2024.66    0.051   349.81
2024.76    0.051   348.06
2024.86    0.050   346.28
2024.96    0.050   344.47
2025.06    0.049   342.64
2025.16    0.049   340.77
2025.26    0.049   338.88
2025.36    0.048   336.97
2025.46    0.048   335.04
2025.56    0.048   333.09
2025.66    0.048   331.12
2025.76    0.048   329.14
2025.86    0.048   327.15
2025.96    0.047   325.15
2026.06    0.047   323.15
2026.16    0.047   321.14
2026.26    0.047   319.14
2026.36    0.048   317.14
2026.46    0.048   315.14
2026.56    0.048   313.16
2026.66    0.048   311.19
2026.76    0.048   309.24
2026.86    0.048   307.31
2026.96    0.049   305.40
2027.06    0.049   303.51
2027.16    0.049   301.64
2027.26    0.050   299.81
2027.36    0.050   298.00
2027.46    0.051   296.22
2027.56    0.051   294.47
2027.66    0.051   292.75
2027.76    0.052   291.07
2027.86    0.052   289.42
2027.96    0.053   287.80
2028.06    0.054   286.22
2028.16    0.054   284.67
2028.26    0.055   283.15
2028.36    0.055   281.66
2028.46    0.056   280.21
2028.56    0.057   278.79
2028.66    0.057   277.40
2028.76    0.058   276.04
2028.86    0.059   274.71
2028.96    0.059   273.42
2029.06    0.060   272.15
2029.16    0.061   270.91
2029.26    0.061   269.69
2029.36    0.062   268.51
2029.46    0.063   267.35
2029.56    0.063   266.21
2029.66    0.064   265.10
2029.76    0.065   264.01
2029.86    0.065   262.94
2029.96    0.066   261.89
2030.06    0.067   260.87
2030.16    0.067   259.86
2030.26    0.068   258.88
2030.36    0.069   257.91
2030.46    0.069   256.96
2030.56    0.070   256.03
2030.66    0.070   255.11
2030.76    0.071   254.21
2030.86    0.072   253.32
2030.96    0.072   252.45
2031.06    0.073   251.59
2031.16    0.073   250.75
2031.26    0.074   249.91
2031.36    0.074   249.09
2031.46    0.075   248.28
2031.56    0.075   247.48
2031.66    0.076   246.70
2031.76    0.076   245.92
2031.86    0.077   245.15
2031.96    0.077   244.39
2032.06    0.078   243.63
2032.16    0.078   242.89
2032.26    0.078   242.15
2032.36    0.079   241.42
2032.46    0.079   240.70
2032.56    0.079   239.98
2032.66    0.080   239.27
2032.76    0.080   238.56
2032.86    0.080   237.86
2032.96    0.080   237.16
2033.06    0.081   236.47
2033.16    0.081   235.78
2033.26    0.081   235.09
2033.36    0.081   234.41
2033.46    0.081   233.73
2033.56    0.082   233.05
2033.66    0.082   232.37
2033.76    0.082   231.70
2033.86    0.082   231.03
2033.96    0.082   230.36
2034.06    0.082   229.69
2034.16    0.082   229.02
2034.26    0.082   228.35
2034.36    0.082   227.68
2034.46    0.082   227.01
2034.56    0.082   226.34
2034.66    0.082   225.66
2034.76    0.082   224.99
2034.86    0.082   224.31
2034.96    0.081   223.64
2035.06    0.081   222.96
2035.16    0.081   222.27
2035.26    0.081   221.59
2035.36    0.081   220.90
2035.46    0.081   220.21
2035.56    0.080   219.51
2035.66    0.080   218.81
2035.76    0.080   218.10
2035.86    0.079   217.39
2035.96    0.079   216.67
2036.06    0.079   215.95
2036.16    0.078   215.22
2036.26    0.078   214.49
2036.36    0.078   213.74
2036.46    0.077   212.99
2036.56    0.077   212.24
2036.66    0.076   211.47
2036.76    0.076   210.70
2036.86    0.076   209.91
2036.96    0.075   209.12
2037.06    0.075   208.31
2037.16    0.074   207.50
2037.26    0.074   206.68
2037.36    0.073   205.84
2037.46    0.073   204.99
2037.56    0.072   204.13
2037.66    0.072   203.25
2037.76    0.071   202.37
2037.86    0.070   201.47
2037.96    0.070   200.55
2038.06    0.069   199.62
2038.16    0.069   198.67
2038.26    0.068   197.71
2038.36    0.067   196.72
2038.46    0.067   195.73
2038.56    0.066   194.71
2038.66    0.066   193.67
2038.76    0.065   192.62
2038.86    0.064   191.54
2038.96    0.064   190.44
2039.06    0.063   189.33
2039.16    0.063   188.19
2039.26    0.062   187.02
2039.36    0.061   185.84
2039.46    0.061   184.63
2039.56    0.060   183.40
2039.66    0.060   182.14
2039.76    0.059   180.85
2039.86    0.058   179.54
2039.96    0.058   178.21
2040.06    0.057   176.85
2040.16    0.057   175.46
2040.26    0.056   174.04






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 15:17:40



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