Double Star Calculator - Orbit

Orbital Elements for DUN245
WDS: DUN245 WDS ID/Discoverer
P: 37000.000 Orbital period (years)
a: 23.0 Semi-major axis (arcseconds)
i: 110.0 Inclination (degrees)
Ω: 110.0 Longitude of ascending node (degrees)
T: 4200.000 Epoch of periastron passage (year)
e: 0.6 Eccentricity
ω: 260.0 Longitude of periastron (degrees)
Start-Year: -16475.0 Year
End-Year: 20525.0 Year
Epoch: 2026.5 Besselian Epoch
Further data from the WDS Sixth Catalog of Orbits for DUN245
Position: 230837.60-594411.6 Epoch-2000 right ascension and declination
WDS-ID: 23086-5944 WDS designation
Discoverer Code: DUN245 Discover designation and components
ADS number: . Aitken Double Star catalog
HD number: . HD catalog number
Hipparcos number: . Hipparcos catalog number
V1: 7.45 Magnitude of the primary
V2: 9.44 Magnitude of the secondary
Equinox: 2000 Equinox
Date: 2021 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: LRR2021 Reference

Double Star Orbit for DUN245



WDS 6th Orbit including measures of DUN245

-- 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 DUN245
Click to expand/collapse ephemeris:
Year       Sep[“]   PA[°]
---------------------------------------------
2026.50   13.377   290.13
--------------------------
-16475.00   15.861    61.18
-16375.00   15.766    60.62
-16275.00   15.671    60.05
-16175.00   15.577    59.47
-16075.00   15.484    58.89
-15975.00   15.391    58.30
-15875.00   15.298    57.70
-15775.00   15.206    57.09
-15675.00   15.115    56.48
-15575.00   15.024    55.86
-15475.00   14.934    55.23
-15375.00   14.845    54.60
-15275.00   14.757    53.95
-15175.00   14.669    53.30
-15075.00   14.583    52.64
-14975.00   14.497    51.98
-14875.00   14.412    51.30
-14775.00   14.328    50.62
-14675.00   14.246    49.93
-14575.00   14.164    49.23
-14475.00   14.083    48.53
-14375.00   14.004    47.81
-14275.00   13.926    47.09
-14175.00   13.849    46.36
-14075.00   13.774    45.62
-13975.00   13.699    44.88
-13875.00   13.626    44.12
-13775.00   13.555    43.36
-13675.00   13.485    42.59
-13575.00   13.417    41.81
-13475.00   13.350    41.02
-13375.00   13.285    40.23
-13275.00   13.221    39.43
-13175.00   13.159    38.62
-13075.00   13.099    37.80
-12975.00   13.040    36.98
-12875.00   12.983    36.15
-12775.00   12.929    35.31
-12675.00   12.876    34.46
-12575.00   12.824    33.61
-12475.00   12.775    32.75
-12375.00   12.728    31.88
-12275.00   12.683    31.01
-12175.00   12.640    30.13
-12075.00   12.599    29.25
-11975.00   12.560    28.36
-11875.00   12.523    27.46
-11775.00   12.489    26.56
-11675.00   12.456    25.66
-11575.00   12.426    24.75
-11475.00   12.398    23.83
-11375.00   12.372    22.91
-11275.00   12.349    21.99
-11175.00   12.327    21.07
-11075.00   12.309    20.14
-10975.00   12.292    19.21
-10875.00   12.278    18.27
-10775.00   12.266    17.34
-10675.00   12.256    16.40
-10575.00   12.249    15.46
-10475.00   12.244    14.53
-10375.00   12.241    13.59
-10275.00   12.241    12.65
-10175.00   12.243    11.71
-10075.00   12.248    10.77
-9975.00   12.255     9.83
-9875.00   12.264     8.89
-9775.00   12.275     7.96
-9675.00   12.289     7.02
-9575.00   12.305     6.09
-9475.00   12.323     5.16
-9375.00   12.343     4.24
-9275.00   12.366     3.31
-9175.00   12.390     2.39
-9075.00   12.417     1.48
-8975.00   12.446     0.57
-8875.00   12.477   359.66
-8775.00   12.510   358.76
-8675.00   12.545   357.86
-8575.00   12.582   356.97
-8475.00   12.621   356.08
-8375.00   12.662   355.20
-8275.00   12.705   354.33
-8175.00   12.750   353.46
-8075.00   12.796   352.59
-7975.00   12.844   351.74
-7875.00   12.894   350.89
-7775.00   12.945   350.04
-7675.00   12.998   349.20
-7575.00   13.052   348.37
-7475.00   13.108   347.55
-7375.00   13.165   346.73
-7275.00   13.224   345.93
-7175.00   13.284   345.12
-7075.00   13.345   344.33
-6975.00   13.407   343.54
-6875.00   13.471   342.76
-6775.00   13.535   341.99
-6675.00   13.601   341.23
-6575.00   13.668   340.47
-6475.00   13.735   339.72
-6375.00   13.803   338.97
-6275.00   13.873   338.24
-6175.00   13.942   337.51
-6075.00   14.013   336.79
-5975.00   14.084   336.08
-5875.00   14.156   335.37
-5775.00   14.228   334.67
-5675.00   14.300   333.98
-5575.00   14.373   333.29
-5475.00   14.446   332.62
-5375.00   14.520   331.94
-5275.00   14.593   331.28
-5175.00   14.667   330.62
-5075.00   14.741   329.97
-4975.00   14.814   329.33
-4875.00   14.888   328.69
-4775.00   14.961   328.05
-4675.00   15.034   327.43
-4575.00   15.107   326.81
-4475.00   15.179   326.19
-4375.00   15.251   325.59
-4275.00   15.322   324.98
-4175.00   15.393   324.39
-4075.00   15.463   323.79
-3975.00   15.532   323.21
-3875.00   15.601   322.63
-3775.00   15.668   322.05
-3675.00   15.734   321.48
-3575.00   15.800   320.91
-3475.00   15.864   320.35
-3375.00   15.927   319.79
-3275.00   15.988   319.24
-3175.00   16.048   318.69
-3075.00   16.107   318.15
-2975.00   16.164   317.61
-2875.00   16.219   317.07
-2775.00   16.272   316.54
-2675.00   16.323   316.01
-2575.00   16.373   315.48
-2475.00   16.420   314.95
-2375.00   16.465   314.43
-2275.00   16.507   313.92
-2175.00   16.547   313.40
-2075.00   16.585   312.89
-1975.00   16.619   312.38
-1875.00   16.651   311.87
-1775.00   16.680   311.36
-1675.00   16.706   310.85
-1575.00   16.728   310.35
-1475.00   16.747   309.85
-1375.00   16.762   309.35
-1275.00   16.774   308.85
-1175.00   16.781   308.34
-1075.00   16.785   307.84
-975.00   16.784   307.34
-875.00   16.778   306.84
-775.00   16.768   306.34
-675.00   16.753   305.84
-575.00   16.733   305.34
-475.00   16.708   304.84
-375.00   16.677   304.33
-275.00   16.640   303.82
-175.00   16.597   303.31
-75.00   16.548   302.80
25.00   16.492   302.29
125.00   16.429   301.77
225.00   16.359   301.24
325.00   16.281   300.71
425.00   16.196   300.18
525.00   16.102   299.64
625.00   15.999   299.09
725.00   15.887   298.54
825.00   15.766   297.98
925.00   15.635   297.41
1025.00   15.493   296.82
1125.00   15.340   296.23
1225.00   15.176   295.63
1325.00   15.000   295.01
1425.00   14.811   294.37
1525.00   14.609   293.72
1625.00   14.394   293.05
1725.00   14.164   292.36
1825.00   13.919   291.65
1925.00   13.658   290.91
2025.00   13.381   290.14
2125.00   13.087   289.33
2225.00   12.775   288.49
2325.00   12.445   287.61
2425.00   12.095   286.67
2525.00   11.726   285.68
2625.00   11.337   284.62
2725.00   10.927   283.48
2825.00   10.496   282.25
2925.00   10.044   280.92
3025.00    9.572   279.46
3125.00    9.078   277.84
3225.00    8.566   276.02
3325.00    8.035   273.98
3425.00    7.489   271.64
3525.00    6.930   268.93
3625.00    6.363   265.73
3725.00    5.795   261.91
3825.00    5.234   257.27
3925.00    4.693   251.53
4025.00    4.191   244.35
4125.00    3.753   235.37
4225.00    3.413   224.31
4325.00    3.209   211.35
4425.00    3.171   197.38
4525.00    3.306   183.83
4625.00    3.593   171.90
4725.00    3.995   162.05
4825.00    4.477   154.15
4925.00    5.009   147.86
5025.00    5.571   142.81
5125.00    6.149   138.70
5225.00    6.733   135.30
5325.00    7.315   132.44
5425.00    7.892   130.00
5525.00    8.459   127.89
5625.00    9.014   126.05
5725.00    9.556   124.41
5825.00   10.083   122.95
5925.00   10.594   121.63
6025.00   11.090   120.43
6125.00   11.570   119.34
6225.00   12.034   118.32
6325.00   12.481   117.39
6425.00   12.913   116.51
6525.00   13.330   115.70
6625.00   13.731   114.93
6725.00   14.118   114.20
6825.00   14.490   113.51
6925.00   14.848   112.86
7025.00   15.192   112.23
7125.00   15.524   111.64
7225.00   15.842   111.06
7325.00   16.148   110.51
7425.00   16.442   109.98
7525.00   16.724   109.47
7625.00   16.995   108.97
7725.00   17.256   108.49
7825.00   17.505   108.03
7925.00   17.745   107.58
8025.00   17.974   107.13
8125.00   18.195   106.70
8225.00   18.406   106.28
8325.00   18.608   105.87
8425.00   18.801   105.47
8525.00   18.986   105.07
8625.00   19.163   104.69
8725.00   19.332   104.31
8825.00   19.494   103.93
8925.00   19.648   103.57
9025.00   19.795   103.20
9125.00   19.935   102.85
9225.00   20.068   102.49
9325.00   20.195   102.15
9425.00   20.316   101.80
9525.00   20.430   101.46
9625.00   20.539   101.13
9725.00   20.641   100.80
9825.00   20.738   100.47
9925.00   20.830   100.14
10025.00   20.916    99.82
10125.00   20.997    99.50
10225.00   21.073    99.18
10325.00   21.144    98.86
10425.00   21.211    98.55
10525.00   21.272    98.24
10625.00   21.329    97.93
10725.00   21.382    97.62
10825.00   21.431    97.31
10925.00   21.475    97.01
11025.00   21.515    96.70
11125.00   21.551    96.40
11225.00   21.584    96.09
11325.00   21.612    95.79
11425.00   21.637    95.49
11525.00   21.659    95.19
11625.00   21.676    94.89
11725.00   21.691    94.59
11825.00   21.702    94.29
11925.00   21.710    93.99
12025.00   21.714    93.69
12125.00   21.716    93.40
12225.00   21.714    93.10
12325.00   21.710    92.80
12425.00   21.702    92.50
12525.00   21.692    92.20
12625.00   21.679    91.90
12725.00   21.664    91.60
12825.00   21.645    91.30
12925.00   21.624    91.00
13025.00   21.601    90.70
13125.00   21.575    90.40
13225.00   21.547    90.09
13325.00   21.517    89.79
13425.00   21.484    89.48
13525.00   21.449    89.18
13625.00   21.411    88.87
13725.00   21.372    88.56
13825.00   21.331    88.26
13925.00   21.287    87.95
14025.00   21.242    87.63
14125.00   21.194    87.32
14225.00   21.145    87.01
14325.00   21.094    86.69
14425.00   21.041    86.37
14525.00   20.986    86.05
14625.00   20.930    85.73
14725.00   20.872    85.41
14825.00   20.812    85.09
14925.00   20.751    84.76
15025.00   20.688    84.43
15125.00   20.624    84.10
15225.00   20.558    83.77
15325.00   20.490    83.44
15425.00   20.422    83.10
15525.00   20.352    82.76
15625.00   20.280    82.42
15725.00   20.208    82.08
15825.00   20.134    81.73
15925.00   20.058    81.38
16025.00   19.982    81.03
16125.00   19.905    80.68
16225.00   19.826    80.32
16325.00   19.746    79.96
16425.00   19.666    79.60
16525.00   19.584    79.23
16625.00   19.501    78.86
16725.00   19.418    78.49
16825.00   19.333    78.12
16925.00   19.248    77.74
17025.00   19.161    77.36
17125.00   19.074    76.97
17225.00   18.986    76.58
17325.00   18.898    76.19
17425.00   18.808    75.79
17525.00   18.718    75.39
17625.00   18.628    74.99
17725.00   18.536    74.58
17825.00   18.444    74.17
17925.00   18.352    73.75
18025.00   18.259    73.33
18125.00   18.166    72.91
18225.00   18.072    72.48
18325.00   17.977    72.05
18425.00   17.882    71.61
18525.00   17.787    71.16
18625.00   17.692    70.72
18725.00   17.596    70.26
18825.00   17.500    69.81
18925.00   17.404    69.34
19025.00   17.308    68.88
19125.00   17.211    68.40
19225.00   17.114    67.93
19325.00   17.017    67.44
19425.00   16.921    66.95
19525.00   16.824    66.46
19625.00   16.727    65.96
19725.00   16.630    65.45
19825.00   16.533    64.94
19925.00   16.436    64.42
20025.00   16.340    63.90
20125.00   16.244    63.37
20225.00   16.147    62.83
20325.00   16.052    62.29
20425.00   15.956    61.74






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 18:47:59



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