Double Star Calculator - Orbit

Orbital Elements for STF1619AB
WDS: STF1619AB WDS ID/Discoverer
P: 4802.100 Orbital period (years)
a: 9.822 Semi-major axis (arcseconds)
i: 164.45 Inclination (degrees)
Ω: 92.06 Longitude of ascending node (degrees)
T: 2376.400 Epoch of periastron passage (year)
e: 0.42 Eccentricity
ω: 250.5 Longitude of periastron (degrees)
Start-Year: -376.0500000000002 Year
End-Year: 4426.05 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for STF1619AB
Position: 121506.57-071526.4 Epoch-2000 right ascension and declination
WDS-ID: 12151-0715 WDS designation
Discoverer Code: STF1619AB Discover designation and components
ADS number: 8477 Aitken Double Star catalog
HD number: 106515 HD catalog number
Hipparcos number: 59743 Hipparcos catalog number
V1: 8.06 Magnitude of the primary
V2: 8.30 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2014 Date of last observation
Orbit grade: 5 Orbit grade, ranging from :
1 = Definitive
2 = Good
3 = Reliable
4 = Preliminary
5 = Indeterminate
Flags: n Flags
Ephemerides: Ephemerides
Code: FMR2017 Reference

Double Star Orbit for STF1619AB



WDS 6th Orbit including measures of STF1619AB

-- 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 STF1619AB
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50    6.775   264.46
--------------------------
-376.05   13.367    34.50
-366.05   13.376    34.15
-356.05   13.385    33.79
-346.05   13.393    33.44
-336.05   13.401    33.09
-326.05   13.409    32.74
-316.05   13.417    32.39
-306.05   13.424    32.03
-296.05   13.431    31.68
-286.05   13.437    31.33
-276.05   13.443    30.98
-266.05   13.449    30.63
-256.05   13.455    30.28
-246.05   13.460    29.93
-236.05   13.465    29.59
-226.05   13.470    29.24
-216.05   13.474    28.89
-206.05   13.478    28.54
-196.05   13.481    28.19
-186.05   13.485    27.84
-176.05   13.488    27.50
-166.05   13.490    27.15
-156.05   13.493    26.80
-146.05   13.495    26.45
-136.05   13.497    26.11
-126.05   13.498    25.76
-116.05   13.499    25.41
-106.05   13.500    25.07
-96.05   13.500    24.72
-86.05   13.500    24.37
-76.05   13.500    24.03
-66.05   13.500    23.68
-56.05   13.499    23.33
-46.05   13.498    22.98
-36.05   13.497    22.64
-26.05   13.495    22.29
-16.05   13.493    21.94
-6.05   13.490    21.60
3.95   13.488    21.25
13.95   13.485    20.90
23.95   13.482    20.55
33.95   13.478    20.21
43.95   13.474    19.86
53.95   13.470    19.51
63.95   13.465    19.16
73.95   13.461    18.81
83.95   13.455    18.46
93.95   13.450    18.11
103.95   13.444    17.76
113.95   13.438    17.41
123.95   13.432    17.06
133.95   13.425    16.71
143.95   13.418    16.36
153.95   13.411    16.01
163.95   13.403    15.66
173.95   13.395    15.31
183.95   13.387    14.95
193.95   13.379    14.60
203.95   13.370    14.25
213.95   13.361    13.89
223.95   13.351    13.54
233.95   13.342    13.18
243.95   13.332    12.83
253.95   13.321    12.47
263.95   13.311    12.11
273.95   13.300    11.76
283.95   13.288    11.40
293.95   13.277    11.04
303.95   13.265    10.68
313.95   13.253    10.32
323.95   13.240     9.96
333.95   13.228     9.60
343.95   13.215     9.24
353.95   13.201     8.88
363.95   13.187     8.51
373.95   13.173     8.15
383.95   13.159     7.79
393.95   13.145     7.42
403.95   13.130     7.05
413.95   13.114     6.69
423.95   13.099     6.32
433.95   13.083     5.95
443.95   13.067     5.58
453.95   13.051     5.21
463.95   13.034     4.84
473.95   13.017     4.46
483.95   12.999     4.09
493.95   12.982     3.72
503.95   12.964     3.34
513.95   12.946     2.96
523.95   12.927     2.59
533.95   12.908     2.21
543.95   12.889     1.83
553.95   12.870     1.45
563.95   12.850     1.06
573.95   12.830     0.68
583.95   12.809     0.29
593.95   12.789   359.91
603.95   12.768   359.52
613.95   12.746   359.13
623.95   12.725   358.74
633.95   12.703   358.35
643.95   12.681   357.96
653.95   12.658   357.57
663.95   12.635   357.17
673.95   12.612   356.77
683.95   12.589   356.37
693.95   12.565   355.97
703.95   12.541   355.57
713.95   12.517   355.17
723.95   12.492   354.77
733.95   12.467   354.36
743.95   12.442   353.95
753.95   12.416   353.54
763.95   12.390   353.13
773.95   12.364   352.72
783.95   12.338   352.31
793.95   12.311   351.89
803.95   12.284   351.47
813.95   12.256   351.05
823.95   12.229   350.63
833.95   12.201   350.21
843.95   12.172   349.78
853.95   12.144   349.35
863.95   12.115   348.92
873.95   12.085   348.49
883.95   12.056   348.06
893.95   12.026   347.62
903.95   11.996   347.18
913.95   11.965   346.74
923.95   11.934   346.30
933.95   11.903   345.85
943.95   11.872   345.41
953.95   11.840   344.96
963.95   11.808   344.50
973.95   11.776   344.05
983.95   11.743   343.59
993.95   11.710   343.13
1003.95   11.677   342.67
1013.95   11.643   342.20
1023.95   11.609   341.74
1033.95   11.575   341.27
1043.95   11.540   340.79
1053.95   11.506   340.32
1063.95   11.470   339.84
1073.95   11.435   339.35
1083.95   11.399   338.87
1093.95   11.363   338.38
1103.95   11.327   337.89
1113.95   11.290   337.40
1123.95   11.253   336.90
1133.95   11.215   336.40
1143.95   11.178   335.89
1153.95   11.140   335.38
1163.95   11.101   334.87
1173.95   11.063   334.36
1183.95   11.024   333.84
1193.95   10.985   333.32
1203.95   10.945   332.79
1213.95   10.905   332.26
1223.95   10.865   331.73
1233.95   10.824   331.19
1243.95   10.784   330.65
1253.95   10.743   330.10
1263.95   10.701   329.55
1273.95   10.659   329.00
1283.95   10.617   328.44
1293.95   10.575   327.88
1303.95   10.532   327.31
1313.95   10.489   326.74
1323.95   10.446   326.16
1333.95   10.402   325.58
1343.95   10.358   324.99
1353.95   10.314   324.40
1363.95   10.270   323.80
1373.95   10.225   323.20
1383.95   10.179   322.59
1393.95   10.134   321.98
1403.95   10.088   321.36
1413.95   10.042   320.74
1423.95    9.996   320.11
1433.95    9.949   319.47
1443.95    9.902   318.83
1453.95    9.855   318.18
1463.95    9.807   317.53
1473.95    9.759   316.87
1483.95    9.711   316.20
1493.95    9.662   315.53
1503.95    9.614   314.84
1513.95    9.564   314.16
1523.95    9.515   313.46
1533.95    9.465   312.76
1543.95    9.415   312.05
1553.95    9.365   311.33
1563.95    9.314   310.61
1573.95    9.264   309.88
1583.95    9.213   309.13
1593.95    9.161   308.39
1603.95    9.110   307.63
1613.95    9.058   306.86
1623.95    9.005   306.09
1633.95    8.953   305.30
1643.95    8.900   304.51
1653.95    8.847   303.71
1663.95    8.794   302.89
1673.95    8.741   302.07
1683.95    8.687   301.24
1693.95    8.633   300.39
1703.95    8.579   299.54
1713.95    8.524   298.68
1723.95    8.470   297.80
1733.95    8.415   296.91
1743.95    8.360   296.01
1753.95    8.305   295.10
1763.95    8.249   294.18
1773.95    8.194   293.24
1783.95    8.138   292.30
1793.95    8.082   291.34
1803.95    8.026   290.36
1813.95    7.970   289.37
1823.95    7.914   288.37
1833.95    7.857   287.35
1843.95    7.801   286.32
1853.95    7.744   285.27
1863.95    7.688   284.21
1873.95    7.631   283.13
1883.95    7.574   282.04
1893.95    7.517   280.93
1903.95    7.461   279.80
1913.95    7.404   278.66
1923.95    7.347   277.50
1933.95    7.291   276.32
1943.95    7.234   275.12
1953.95    7.178   273.90
1963.95    7.122   272.66
1973.95    7.066   271.41
1983.95    7.010   270.13
1993.95    6.954   268.83
2003.95    6.899   267.51
2013.95    6.844   266.17
2023.95    6.789   264.81
2033.95    6.735   263.43
2043.95    6.681   262.02
2053.95    6.627   260.60
2063.95    6.574   259.15
2073.95    6.522   257.67
2083.95    6.470   256.17
2093.95    6.419   254.65
2103.95    6.369   253.10
2113.95    6.319   251.53
2123.95    6.270   249.94
2133.95    6.222   248.32
2143.95    6.175   246.67
2153.95    6.129   245.00
2163.95    6.084   243.30
2173.95    6.041   241.58
2183.95    5.998   239.84
2193.95    5.957   238.07
2203.95    5.917   236.27
2213.95    5.878   234.46
2223.95    5.841   232.61
2233.95    5.806   230.75
2243.95    5.772   228.86
2253.95    5.740   226.95
2263.95    5.710   225.02
2273.95    5.681   223.07
2283.95    5.655   221.11
2293.95    5.630   219.12
2303.95    5.608   217.12
2313.95    5.587   215.10
2323.95    5.569   213.07
2333.95    5.553   211.02
2343.95    5.540   208.97
2353.95    5.529   206.90
2363.95    5.520   204.83
2373.95    5.513   202.75
2383.95    5.509   200.67
2393.95    5.507   198.59
2403.95    5.508   196.50
2413.95    5.512   194.42
2423.95    5.517   192.34
2433.95    5.526   190.26
2443.95    5.536   188.20
2453.95    5.549   186.14
2463.95    5.565   184.09
2473.95    5.583   182.06
2483.95    5.603   180.03
2493.95    5.626   178.03
2503.95    5.651   176.04
2513.95    5.678   174.07
2523.95    5.707   172.12
2533.95    5.738   170.19
2543.95    5.772   168.28
2553.95    5.807   166.39
2563.95    5.844   164.53
2573.95    5.883   162.69
2583.95    5.924   160.87
2593.95    5.966   159.08
2603.95    6.010   157.32
2613.95    6.055   155.58
2623.95    6.102   153.87
2633.95    6.151   152.19
2643.95    6.200   150.53
2653.95    6.251   148.90
2663.95    6.303   147.29
2673.95    6.356   145.71
2683.95    6.410   144.16
2693.95    6.465   142.64
2703.95    6.521   141.14
2713.95    6.578   139.66
2723.95    6.635   138.21
2733.95    6.693   136.79
2743.95    6.752   135.39
2753.95    6.811   134.01
2763.95    6.871   132.66
2773.95    6.932   131.34
2783.95    6.992   130.03
2793.95    7.054   128.75
2803.95    7.115   127.49
2813.95    7.177   126.25
2823.95    7.239   125.03
2833.95    7.301   123.84
2843.95    7.364   122.66
2853.95    7.427   121.51
2863.95    7.489   120.37
2873.95    7.552   119.25
2883.95    7.615   118.15
2893.95    7.678   117.07
2903.95    7.741   116.01
2913.95    7.804   114.96
2923.95    7.867   113.93
2933.95    7.929   112.92
2943.95    7.992   111.92
2953.95    8.055   110.94
2963.95    8.117   109.97
2973.95    8.179   109.02
2983.95    8.241   108.08
2993.95    8.303   107.15
3003.95    8.365   106.24
3013.95    8.426   105.35
3023.95    8.487   104.46
3033.95    8.548   103.59
3043.95    8.609   102.73
3053.95    8.669   101.88
3063.95    8.730   101.05
3073.95    8.789   100.22
3083.95    8.849    99.41
3093.95    8.908    98.61
3103.95    8.967    97.82
3113.95    9.026    97.04
3123.95    9.084    96.27
3133.95    9.142    95.50
3143.95    9.199    94.75
3153.95    9.257    94.01
3163.95    9.313    93.28
3173.95    9.370    92.55
3183.95    9.426    91.84
3193.95    9.482    91.13
3203.95    9.537    90.43
3213.95    9.592    89.74
3223.95    9.647    89.05
3233.95    9.701    88.38
3243.95    9.755    87.71
3253.95    9.808    87.05
3263.95    9.861    86.40
3273.95    9.914    85.75
3283.95    9.966    85.11
3293.95   10.018    84.48
3303.95   10.070    83.85
3313.95   10.121    83.23
3323.95   10.171    82.61
3333.95   10.222    82.01
3343.95   10.272    81.40
3353.95   10.321    80.81
3363.95   10.370    80.22
3373.95   10.419    79.63
3383.95   10.467    79.05
3393.95   10.515    78.48
3403.95   10.562    77.91
3413.95   10.609    77.34
3423.95   10.656    76.78
3433.95   10.702    76.23
3443.95   10.748    75.68
3453.95   10.793    75.13
3463.95   10.838    74.59
3473.95   10.882    74.06
3483.95   10.926    73.53
3493.95   10.970    73.00
3503.95   11.013    72.48
3513.95   11.056    71.96
3523.95   11.099    71.44
3533.95   11.141    70.93
3543.95   11.183    70.42
3553.95   11.224    69.92
3563.95   11.265    69.42
3573.95   11.305    68.92
3583.95   11.345    68.43
3593.95   11.385    67.94
3603.95   11.424    67.45
3613.95   11.463    66.97
3623.95   11.501    66.49
3633.95   11.539    66.01
3643.95   11.577    65.54
3653.95   11.614    65.07
3663.95   11.651    64.60
3673.95   11.687    64.14
3683.95   11.724    63.68
3693.95   11.759    63.22
3703.95   11.794    62.76
3713.95   11.829    62.31
3723.95   11.864    61.86
3733.95   11.898    61.41
3743.95   11.932    60.97
3753.95   11.965    60.52
3763.95   11.998    60.08
3773.95   12.030    59.64
3783.95   12.063    59.21
3793.95   12.094    58.77
3803.95   12.126    58.34
3813.95   12.157    57.91
3823.95   12.187    57.49
3833.95   12.218    57.06
3843.95   12.247    56.64
3853.95   12.277    56.22
3863.95   12.306    55.80
3873.95   12.335    55.39
3883.95   12.363    54.97
3893.95   12.391    54.56
3903.95   12.419    54.15
3913.95   12.446    53.74
3923.95   12.473    53.33
3933.95   12.499    52.92
3943.95   12.525    52.52
3953.95   12.551    52.12
3963.95   12.577    51.72
3973.95   12.602    51.32
3983.95   12.626    50.92
3993.95   12.651    50.53
4003.95   12.675    50.13
4013.95   12.698    49.74
4023.95   12.721    49.35
4033.95   12.744    48.96
4043.95   12.767    48.57
4053.95   12.789    48.18
4063.95   12.811    47.80
4073.95   12.832    47.41
4083.95   12.853    47.03
4093.95   12.874    46.65
4103.95   12.894    46.26
4113.95   12.914    45.88
4123.95   12.934    45.51
4133.95   12.953    45.13
4143.95   12.972    44.75
4153.95   12.991    44.38
4163.95   13.009    44.00
4173.95   13.027    43.63
4183.95   13.045    43.26
4193.95   13.062    42.89
4203.95   13.079    42.52
4213.95   13.095    42.15
4223.95   13.112    41.78
4233.95   13.128    41.41
4243.95   13.143    41.05
4253.95   13.158    40.68
4263.95   13.173    40.31
4273.95   13.188    39.95
4283.95   13.202    39.59
4293.95   13.216    39.23
4303.95   13.229    38.86
4313.95   13.242    38.50
4323.95   13.255    38.14
4333.95   13.268    37.78
4343.95   13.280    37.42
4353.95   13.292    37.07
4363.95   13.303    36.71
4373.95   13.314    36.35
4383.95   13.325    35.99
4393.95   13.336    35.64
4403.95   13.346    35.28
4413.95   13.356    34.93
4423.95   13.365    34.57






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 16:44:32



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