Double Star Calculator - Orbit

Orbital Elements for STF619
WDS: STF619 WDS ID/Discoverer
P: 49000.000 Orbital period (years)
a: 48.0 Semi-major axis (arcseconds)
i: 45.0 Inclination (degrees)
Ω: 242.0 Longitude of ascending node (degrees)
T: 2014.000 Epoch of periastron passage (year)
e: 0.88 Eccentricity
ω: 275.0 Longitude of periastron (degrees)
Start-Year: -22475.0 Year
End-Year: 26525.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF619
Position: 050119.93+501525.3 Epoch-2000 right ascension and declination
WDS-ID: 05013+5015 WDS designation
Discoverer Code: STF619 Discover designation and components
ADS number: 3593 Aitken Double Star catalog
HD number: 31796 HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 9.51 Magnitude of the primary
V2: 9.88 Magnitude of the secondary
Equinox: Equinox
Date: 1999 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: Kis2009 Reference

Double Star Orbit for STF619



WDS 6th Orbit including measures of STF619

-- 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 STF619
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    4.115   163.28
--------------------------
-22475.00   64.052   339.07
-22375.00   64.061   339.21
-22275.00   64.069   339.35
-22175.00   64.075   339.48
-22075.00   64.080   339.62
-21975.00   64.084   339.76
-21875.00   64.087   339.90
-21775.00   64.088   340.04
-21675.00   64.088   340.18
-21575.00   64.088   340.31
-21475.00   64.085   340.45
-21375.00   64.082   340.59
-21275.00   64.077   340.73
-21175.00   64.072   340.87
-21075.00   64.065   341.01
-20975.00   64.056   341.15
-20875.00   64.047   341.28
-20775.00   64.036   341.42
-20675.00   64.024   341.56
-20575.00   64.011   341.70
-20475.00   63.997   341.84
-20375.00   63.981   341.98
-20275.00   63.964   342.12
-20175.00   63.946   342.26
-20075.00   63.927   342.39
-19975.00   63.907   342.53
-19875.00   63.885   342.67
-19775.00   63.862   342.81
-19675.00   63.838   342.95
-19575.00   63.812   343.09
-19475.00   63.785   343.23
-19375.00   63.757   343.37
-19275.00   63.728   343.51
-19175.00   63.698   343.65
-19075.00   63.666   343.79
-18975.00   63.633   343.93
-18875.00   63.599   344.07
-18775.00   63.563   344.21
-18675.00   63.526   344.35
-18575.00   63.488   344.49
-18475.00   63.449   344.64
-18375.00   63.408   344.78
-18275.00   63.367   344.92
-18175.00   63.323   345.06
-18075.00   63.279   345.20
-17975.00   63.233   345.34
-17875.00   63.186   345.49
-17775.00   63.138   345.63
-17675.00   63.089   345.77
-17575.00   63.038   345.91
-17475.00   62.986   346.06
-17375.00   62.932   346.20
-17275.00   62.877   346.34
-17175.00   62.821   346.49
-17075.00   62.764   346.63
-16975.00   62.705   346.78
-16875.00   62.645   346.92
-16775.00   62.584   347.07
-16675.00   62.521   347.21
-16575.00   62.457   347.36
-16475.00   62.392   347.50
-16375.00   62.325   347.65
-16275.00   62.257   347.80
-16175.00   62.188   347.94
-16075.00   62.117   348.09
-15975.00   62.045   348.24
-15875.00   61.972   348.39
-15775.00   61.897   348.53
-15675.00   61.821   348.68
-15575.00   61.744   348.83
-15475.00   61.665   348.98
-15375.00   61.584   349.13
-15275.00   61.503   349.28
-15175.00   61.420   349.43
-15075.00   61.335   349.58
-14975.00   61.249   349.73
-14875.00   61.162   349.89
-14775.00   61.073   350.04
-14675.00   60.983   350.19
-14575.00   60.892   350.34
-14475.00   60.799   350.50
-14375.00   60.704   350.65
-14275.00   60.608   350.81
-14175.00   60.511   350.96
-14075.00   60.412   351.12
-13975.00   60.312   351.27
-13875.00   60.210   351.43
-13775.00   60.107   351.59
-13675.00   60.002   351.74
-13575.00   59.896   351.90
-13475.00   59.788   352.06
-13375.00   59.679   352.22
-13275.00   59.568   352.38
-13175.00   59.456   352.54
-13075.00   59.342   352.70
-12975.00   59.227   352.86
-12875.00   59.110   353.02
-12775.00   58.992   353.19
-12675.00   58.872   353.35
-12575.00   58.750   353.52
-12475.00   58.627   353.68
-12375.00   58.502   353.85
-12275.00   58.376   354.01
-12175.00   58.248   354.18
-12075.00   58.118   354.35
-11975.00   57.987   354.52
-11875.00   57.854   354.69
-11775.00   57.720   354.86
-11675.00   57.584   355.03
-11575.00   57.446   355.20
-11475.00   57.306   355.37
-11375.00   57.165   355.55
-11275.00   57.022   355.72
-11175.00   56.878   355.90
-11075.00   56.731   356.07
-10975.00   56.583   356.25
-10875.00   56.433   356.43
-10775.00   56.282   356.61
-10675.00   56.129   356.79
-10575.00   55.973   356.97
-10475.00   55.816   357.15
-10375.00   55.658   357.33
-10275.00   55.497   357.52
-10175.00   55.335   357.70
-10075.00   55.171   357.89
-9975.00   55.004   358.07
-9875.00   54.836   358.26
-9775.00   54.666   358.45
-9675.00   54.495   358.64
-9575.00   54.321   358.84
-9475.00   54.145   359.03
-9375.00   53.968   359.22
-9275.00   53.788   359.42
-9175.00   53.606   359.62
-9075.00   53.423   359.82
-8975.00   53.237     0.02
-8875.00   53.049     0.22
-8775.00   52.859     0.42
-8675.00   52.668     0.62
-8575.00   52.474     0.83
-8475.00   52.277     1.04
-8375.00   52.079     1.25
-8275.00   51.879     1.46
-8175.00   51.676     1.67
-8075.00   51.471     1.88
-7975.00   51.264     2.10
-7875.00   51.055     2.31
-7775.00   50.843     2.53
-7675.00   50.629     2.75
-7575.00   50.413     2.98
-7475.00   50.194     3.20
-7375.00   49.973     3.43
-7275.00   49.750     3.66
-7175.00   49.524     3.89
-7075.00   49.295     4.12
-6975.00   49.065     4.36
-6875.00   48.831     4.59
-6775.00   48.595     4.83
-6675.00   48.357     5.07
-6575.00   48.115     5.32
-6475.00   47.871     5.57
-6375.00   47.625     5.81
-6275.00   47.376     6.07
-6175.00   47.124     6.32
-6075.00   46.869     6.58
-5975.00   46.611     6.84
-5875.00   46.350     7.10
-5775.00   46.087     7.37
-5675.00   45.820     7.64
-5575.00   45.551     7.91
-5475.00   45.278     8.19
-5375.00   45.002     8.46
-5275.00   44.723     8.75
-5175.00   44.441     9.03
-5075.00   44.156     9.32
-4975.00   43.867     9.62
-4875.00   43.575     9.91
-4775.00   43.279    10.21
-4675.00   42.980    10.52
-4575.00   42.677    10.83
-4475.00   42.371    11.14
-4375.00   42.061    11.46
-4275.00   41.747    11.79
-4175.00   41.430    12.12
-4075.00   41.108    12.45
-3975.00   40.782    12.79
-3875.00   40.453    13.13
-3775.00   40.119    13.48
-3675.00   39.781    13.84
-3575.00   39.438    14.20
-3475.00   39.092    14.57
-3375.00   38.740    14.95
-3275.00   38.384    15.33
-3175.00   38.023    15.72
-3075.00   37.657    16.12
-2975.00   37.286    16.52
-2875.00   36.910    16.93
-2775.00   36.529    17.36
-2675.00   36.142    17.79
-2575.00   35.750    18.23
-2475.00   35.352    18.68
-2375.00   34.947    19.14
-2275.00   34.537    19.61
-2175.00   34.121    20.09
-2075.00   33.698    20.58
-1975.00   33.268    21.09
-1875.00   32.831    21.61
-1775.00   32.388    22.15
-1675.00   31.936    22.70
-1575.00   31.477    23.26
-1475.00   31.010    23.84
-1375.00   30.535    24.44
-1275.00   30.051    25.06
-1175.00   29.558    25.70
-1075.00   29.055    26.37
-975.00   28.543    27.05
-875.00   28.020    27.76
-775.00   27.486    28.50
-675.00   26.941    29.27
-575.00   26.384    30.07
-475.00   25.814    30.90
-375.00   25.231    31.77
-275.00   24.633    32.69
-175.00   24.021    33.65
-75.00   23.392    34.66
25.00   22.746    35.73
125.00   22.082    36.86
225.00   21.397    38.07
325.00   20.691    39.35
425.00   19.962    40.73
525.00   19.207    42.21
625.00   18.424    43.81
725.00   17.610    45.57
825.00   16.761    47.49
925.00   15.875    49.63
1025.00   14.946    52.02
1125.00   13.968    54.74
1225.00   12.935    57.89
1325.00   11.840    61.60
1425.00   10.674    66.09
1525.00    9.432    71.73
1625.00    8.112    79.15
1725.00    6.739    89.54
1825.00    5.401   105.22
1925.00    4.364   129.78
2025.00    4.111   162.78
2125.00    4.811   192.39
2225.00    6.017   212.19
2325.00    7.337   225.07
2425.00    8.615   234.05
2525.00    9.812   240.77
2625.00   10.925   246.06
2725.00   11.962   250.41
2825.00   12.934   254.08
2925.00   13.849   257.25
3025.00   14.716   260.04
3125.00   15.540   262.52
3225.00   16.327   264.76
3325.00   17.081   266.80
3425.00   17.806   268.67
3525.00   18.504   270.40
3625.00   19.179   272.00
3725.00   19.833   273.49
3825.00   20.467   274.89
3925.00   21.083   276.21
4025.00   21.683   277.45
4125.00   22.267   278.63
4225.00   22.837   279.75
4325.00   23.393   280.81
4425.00   23.937   281.83
4525.00   24.469   282.80
4625.00   24.991   283.73
4725.00   25.501   284.62
4825.00   26.002   285.48
4925.00   26.493   286.30
5025.00   26.975   287.10
5125.00   27.449   287.87
5225.00   27.914   288.61
5325.00   28.372   289.33
5425.00   28.822   290.02
5525.00   29.265   290.69
5625.00   29.701   291.35
5725.00   30.130   291.98
5825.00   30.553   292.60
5925.00   30.969   293.20
6025.00   31.380   293.79
6125.00   31.785   294.36
6225.00   32.184   294.91
6325.00   32.578   295.45
6425.00   32.967   295.98
6525.00   33.350   296.50
6625.00   33.729   297.01
6725.00   34.102   297.50
6825.00   34.471   297.98
6925.00   34.836   298.46
7025.00   35.195   298.92
7125.00   35.551   299.38
7225.00   35.902   299.82
7325.00   36.249   300.26
7425.00   36.593   300.69
7525.00   36.932   301.11
7625.00   37.267   301.52
7725.00   37.598   301.93
7825.00   37.926   302.33
7925.00   38.250   302.72
8025.00   38.571   303.10
8125.00   38.888   303.48
8225.00   39.202   303.85
8325.00   39.512   304.22
8425.00   39.819   304.58
8525.00   40.123   304.94
8625.00   40.423   305.29
8725.00   40.721   305.63
8825.00   41.015   305.97
8925.00   41.307   306.31
9025.00   41.595   306.64
9125.00   41.880   306.97
9225.00   42.163   307.29
9325.00   42.443   307.61
9425.00   42.720   307.92
9525.00   42.994   308.23
9625.00   43.266   308.54
9725.00   43.534   308.84
9825.00   43.801   309.14
9925.00   44.064   309.43
10025.00   44.325   309.72
10125.00   44.584   310.01
10225.00   44.840   310.29
10325.00   45.093   310.57
10425.00   45.344   310.85
10525.00   45.593   311.13
10625.00   45.839   311.40
10725.00   46.083   311.67
10825.00   46.325   311.94
10925.00   46.565   312.20
11025.00   46.802   312.46
11125.00   47.037   312.72
11225.00   47.269   312.97
11325.00   47.500   313.23
11425.00   47.728   313.48
11525.00   47.954   313.73
11625.00   48.178   313.97
11725.00   48.400   314.22
11825.00   48.620   314.46
11925.00   48.838   314.70
12025.00   49.054   314.93
12125.00   49.267   315.17
12225.00   49.479   315.40
12325.00   49.689   315.63
12425.00   49.897   315.86
12525.00   50.102   316.09
12625.00   50.306   316.32
12725.00   50.508   316.54
12825.00   50.708   316.76
12925.00   50.907   316.98
13025.00   51.103   317.20
13125.00   51.298   317.42
13225.00   51.490   317.63
13325.00   51.681   317.85
13425.00   51.870   318.06
13525.00   52.057   318.27
13625.00   52.243   318.48
13725.00   52.427   318.69
13825.00   52.609   318.89
13925.00   52.789   319.10
14025.00   52.967   319.30
14125.00   53.144   319.50
14225.00   53.319   319.70
14325.00   53.493   319.90
14425.00   53.664   320.10
14525.00   53.834   320.30
14625.00   54.003   320.49
14725.00   54.169   320.69
14825.00   54.335   320.88
14925.00   54.498   321.07
15025.00   54.660   321.26
15125.00   54.820   321.45
15225.00   54.979   321.64
15325.00   55.136   321.83
15425.00   55.291   322.01
15525.00   55.445   322.20
15625.00   55.598   322.38
15725.00   55.748   322.57
15825.00   55.898   322.75
15925.00   56.045   322.93
16025.00   56.192   323.11
16125.00   56.336   323.29
16225.00   56.480   323.47
16325.00   56.621   323.65
16425.00   56.761   323.83
16525.00   56.900   324.00
16625.00   57.037   324.18
16725.00   57.173   324.35
16825.00   57.307   324.52
16925.00   57.440   324.70
17025.00   57.571   324.87
17125.00   57.701   325.04
17225.00   57.830   325.21
17325.00   57.957   325.38
17425.00   58.083   325.55
17525.00   58.207   325.72
17625.00   58.330   325.88
17725.00   58.451   326.05
17825.00   58.571   326.22
17925.00   58.689   326.38
18025.00   58.807   326.55
18125.00   58.922   326.71
18225.00   59.037   326.88
18325.00   59.150   327.04
18425.00   59.261   327.20
18525.00   59.372   327.36
18625.00   59.481   327.52
18725.00   59.588   327.68
18825.00   59.694   327.84
18925.00   59.799   328.00
19025.00   59.903   328.16
19125.00   60.005   328.32
19225.00   60.106   328.48
19325.00   60.205   328.63
19425.00   60.304   328.79
19525.00   60.400   328.95
19625.00   60.496   329.10
19725.00   60.590   329.26
19825.00   60.683   329.41
19925.00   60.775   329.57
20025.00   60.865   329.72
20125.00   60.954   329.87
20225.00   61.042   330.03
20325.00   61.128   330.18
20425.00   61.213   330.33
20525.00   61.297   330.48
20625.00   61.380   330.63
20725.00   61.461   330.78
20825.00   61.541   330.93
20925.00   61.620   331.08
21025.00   61.697   331.23
21125.00   61.773   331.38
21225.00   61.848   331.53
21325.00   61.922   331.68
21425.00   61.994   331.83
21525.00   62.065   331.98
21625.00   62.135   332.12
21725.00   62.204   332.27
21825.00   62.271   332.42
21925.00   62.337   332.56
22025.00   62.402   332.71
22125.00   62.466   332.86
22225.00   62.528   333.00
22325.00   62.589   333.15
22425.00   62.649   333.29
22525.00   62.708   333.44
22625.00   62.765   333.58
22725.00   62.821   333.72
22825.00   62.876   333.87
22925.00   62.930   334.01
23025.00   62.982   334.16
23125.00   63.034   334.30
23225.00   63.084   334.44
23325.00   63.132   334.58
23425.00   63.180   334.73
23525.00   63.226   334.87
23625.00   63.271   335.01
23725.00   63.315   335.15
23825.00   63.358   335.29
23925.00   63.400   335.44
24025.00   63.440   335.58
24125.00   63.479   335.72
24225.00   63.517   335.86
24325.00   63.553   336.00
24425.00   63.589   336.14
24525.00   63.623   336.28
24625.00   63.656   336.42
24725.00   63.688   336.56
24825.00   63.718   336.70
24925.00   63.747   336.84
25025.00   63.776   336.98
25125.00   63.802   337.12
25225.00   63.828   337.26
25325.00   63.853   337.40
25425.00   63.876   337.54
25525.00   63.898   337.68
25625.00   63.919   337.82
25725.00   63.939   337.96
25825.00   63.957   338.10
25925.00   63.974   338.24
26025.00   63.990   338.37
26125.00   64.005   338.51
26225.00   64.019   338.65
26325.00   64.031   338.79
26425.00   64.042   338.93






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 15:32:57



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